• In this process, the chemicals are combined with heat to break down lignin (the material that binds the cellulose fibers together) without causing significant damage to the cellulose fibers. (statista.com)
  • Semichemical pulp is made by treating wood chips with sulfite or alkali in amounts and under conditions that soften the lignin but dissolve only part of it. (britannica.com)
  • CICECO Publication » Behavior of Eucalyptus globulus lignin during kraft pulping. (ua.pt)
  • Results from both residual and dissolved lignins analyses indicated that in the initial phase of pulping there is a preferential removal of lignin enriched in guaiacylpropane (G) and p-hydroxyphenylpropane (H) units, which is highly condensed and bonded with polysaccharides, predominantly with xylan. (ua.pt)
  • During the bulk and residual phases of pulping, lignin enriched in syringylpropane (S) units is progressively removed, leading to the increase or S/G ratio of black liquor lignin. (ua.pt)
  • By breaking down lignin, it enhances the separation of fibers, allowing for the production of high-quality pulps with improved properties. (jiuanchemical.com)
  • Wood pulp is a watery "soup" of cellulose wood fibers, lignin , water, and the chemicals used during the pulping process . (wonderopolis.org)
  • The resulting pulp retains most of its lignin , though. (wonderopolis.org)
  • Chemicals are used to separate lignin from the cellulose fibers, leaving a pulp mixture that can make stronger papers. (wonderopolis.org)
  • Kraft lignin, a by-product from the production of pulp, is currently incinerated in the recovery boiler during the chemical recovery cycle, generating valuable bioenergy and recycling inorganic chemicals to the pulping process operation. (lu.se)
  • Removing lignin from the black liquor or its gasification lowers the recovery boiler load enabling increased pulp production. (lu.se)
  • Teeth are susceptible to damage, most commonly to caries, where microorganisms from the oral cavity degrade the mineralized tissues of enamel and dentine and invade the soft connective tissue at the core, the dental pulp . (bvsalud.org)
  • This review highlights the various mechanisms of pathogen recognition and defense of dental pulp cells and periradicular tissues , explains the different cell types involved in the immune response and discusses the mechanisms of healing and repair, pointing out the close links between inflammation and regeneration as well as between inflammation and potential malignant transformation. (bvsalud.org)
  • It contains provisions related to "hazardous air pollutants" to limit emissions of "hazardous air pollutants" from chemical wood pulp mills (kraft, soda, sulfite, and semi-chemical processes) and bleach plants using chlorine or chlorine dioxide at all mills. (ncasi.org)
  • The soda process gives pulp with lower tear strength than other chemical pulping processes (sulfite process and kraft process), but has still limited use for easily pulped materials like straw and some hardwoods. (wikipedia.org)
  • Increased pulp yield is a well known and technically documented effect of the use of AQ in both kraft and soda cooking processes. (chemicalproductscorp.com)
  • Within this industry, sodium formate, a versatile chemical compound, plays a significant role in enhancing processes and product quality. (jiuanchemical.com)
  • A2: Sodium formate can contribute to more efficient and sustainable pulp production processes. (jiuanchemical.com)
  • No information was found to estimate the corrosion costs related to the loss of capital.Paper production consists of a series of processes and can be roughly divided according to the five major manufacturing steps: pulp production, pulp processing and chemical recovery, pulp bleaching, stock preparation, and paper manufacturing. (rustbullet.com)
  • The mat of pulp then goes through several processes to remove water and dry it out. (wonderopolis.org)
  • Frank's research focuses on separation processes, in particular membrane processes in the food, biotech, and pulp industries, plus biorefineries as well as water and wastewater treatment. (lu.se)
  • Since 2014, Latvia Import of Mechanical Wood Pulp, Semi-Chemical Wood Pulp, Pulps of Fibrous Cellulosic Material Other Than Wood fell by 14.7% year on year. (nationmaster.com)
  • In 2019, the country was ranked number 24 among other countries in Import of Mechanical Wood Pulp, Semi-Chemical Wood Pulp, Pulps of Fibrous Cellulosic Material Other Than Wood at €159,772. (nationmaster.com)
  • Semi-chemical wood pulp production reached 1,142 kt in 2015 in the European Union, according to Faostat. (helgilibrary.com)
  • Historically, semi-chemical wood pulp production in the European Union reached an all time high of 1,744 kt in 1974 and an all time low of 359 kt in 1961. (helgilibrary.com)
  • European Union has been ranked within the group of 30 countries we follow in terms of semi-chemical wood pulp production. (helgilibrary.com)
  • Buy Semi-Chemical Wood Pulp Production data for European Union. (helgilibrary.com)
  • Malnutrition is a major health problem in Nigeria, particularly among the rural populace where people cannot afford conventional sources of protein or other food additives to enrich their diets The assessment of the chemical compositions of pulp and seed of African pear was obtained from Mararaba Jamma Market Jos, Plateau State, North Central Nigeria, which was analysed using standard analytical methods. (ajol.info)
  • For more than 100 years, pulp and paper operations have trusted Solenis to provide the papermaking additives they need to operate efficiently and profitably. (solenis.com)
  • In addition, majorly the demand for Pulp & Paper Chemicals comes from its end-use industries such as coating pigments, specialty additives, bleaching chemicals, etc. (chemanalyst.com)
  • Papermaking materials, including fillers and chemical additives and how chemicals are used to control product attributes and improve process efficiency. (tappi.org)
  • A4: Various chemicals and additives are used in the paper and pulp industry for similar purposes. (jiuanchemical.com)
  • PCBs are chlorinated aromatic hydrocarbon chemicals that were once synthesized for use as heat-exchanger, transformer, and hydraulic fluids, and also used as additives to paints, oils, window caulking, and floor tiles. (cdc.gov)
  • The chemicals used are (1) sulfite salts with an excess of sulfur dioxide and (2) caustic soda and sodium sulfide (the kraft process). (britannica.com)
  • In the case of cellulose pulp for papermaking, hornified pulp fibers exhibit decreased fiber wall swelling, internal and external fibrillation, and flexibility compared with never dried pulp. (ncsu.edu)
  • Its interaction with cellulose fibers during the pulping process enhances fiber bonding and ultimately contributes to higher paper strength. (jiuanchemical.com)
  • Sodium formate's use in cooking liquor contributes to the efficient separation of fibers during the pulping process. (jiuanchemical.com)
  • Each manufacturing step has its own corrosion problems related to the size and quality of the wood fibers, the amount of and temperature of the process water, the concentration of the treatment chemicals, and the materials used for machinery construction. (rustbullet.com)
  • 3". Handbook of Pulping and Papermaking (2nd ed.). p. 86. (wikipedia.org)
  • Innovative chemistries, advanced monitoring and control systems, and expert support for your pulp and papermaking process challenges. (solenis.com)
  • Our pulp and paper chemicals and other innovative solutions enable papermakers to enhance the functional properties and visual characteristics of their products and to optimize every step of their pulp and papermaking process. (solenis.com)
  • Solutions for addressing organic contaminants and inorganic scales in pulp and papermaking systems. (solenis.com)
  • Understanding cellulose hornification provides crucial information regarding drying of pulp, paper, and other cellulosic materials as well as recycling them. (ncsu.edu)
  • 2023). Hornification happens when wet cellulosic materials are dried, and the most notable consequences are stiffness/reduced flexibility, diminished rewetting, and decreased chemical reactivity. (ncsu.edu)
  • Mechanical or groundwood pulp is made by subjecting wood to an abrading action, either by pressing the wood against a revolving grinding stone or by passing chips through a mill. (britannica.com)
  • Mechanical pulping involves using machines to grind wood chips into pulp . (wonderopolis.org)
  • No matter the mechanical or chemical pulp application, let our innovative team help design or create a solution specifically for you. (imerys.com)
  • Thus, biomechanical preparation comprises the association of the mechanical with the chemical stage. (bvsalud.org)
  • The mechanical action prepares, cleans, and shapes the root canal, while the chemical action acts on the components within the root canals in order to dissolve either the live or necrosed organic tissues, remove the debris, and eliminate the microorganisms. (bvsalud.org)
  • These are exposed to intense mechanical and chemical stress as well as to dense microbiologic colonization. (bvsalud.org)
  • Chemical wood pulp refers to pulp that has been produced by combining wood chips with chemicals in large vessels called digesters. (statista.com)
  • Chemical wood pulp is made by cooking wood chips with chemical solutions in digesters operated at elevated temperature and pressure. (britannica.com)
  • and the complete set of equipment of production line for chemical pulping, mainly including pulp mill digesters and vacuum washers. (aymachinery.com)
  • A sustainable technology for pulp bleaching, helping to reduce chemical consumption, increase fibre strength, clean up effluents, and reduce costs. (imerys.com)
  • EcoBright is an optimal source of alkali in pulp bleaching, helping to save costs , reduce chemical consumption, increase fibre strength and minimize effluents . (imerys.com)
  • Worldwide chemical wood pulp production has increased significantly since the 1960s, with the largest drop in production occurring in 2009, during the global financial crisis. (statista.com)
  • In the Soda-AQ process, anthraquinone (AQ) may be used as a pulping additive to decrease the carbohydrate degradation. (wikipedia.org)
  • Liquid additive to pulp humid resistant papers. (condoroil.com)
  • Powder additive to pulp epichloridine based U R papers. (condoroil.com)
  • Anthraquinone is used by the pulp and paper industry worldwide as a process additive. (chemicalproductscorp.com)
  • Natriumformiat serves as an essential additive in the cooking liquor used in the pulping process. (jiuanchemical.com)
  • Solutions for improving pulp production and quality, bleach plant efficiency and recausticizing loop performance. (solenis.com)
  • Soda pulping is a chemical process for making wood pulp with sodium hydroxide as the cooking chemical. (wikipedia.org)
  • A precursor to the soda pulping process was the paper making process developed by Matthias Koops in 1801 which involved washing wood shavings in limewater, adding soda crystals and then boiling the mixture. (wikipedia.org)
  • Producing high-quality chemical pulp in a cost-effective way demands efficient programmes throughout the whole process. (bimkemi.com)
  • Their profound knowledge combined with our chemical solutions will add real value to your process. (bimkemi.com)
  • As a catalyst anthraquinone reduces energy consumption by speeding up the reaction and reducing the amount of hazardous chemicals required to process the wood, this too has beneficial global warming effects. (chemicalproductscorp.com)
  • chip savings, pulp yield improvement and removal of bottlenecks of the digester, caustification, kiln and recovery boiler are all important process improvements realized at mills worldwide. (chemicalproductscorp.com)
  • Includes chemical recovery operations, terminology, equipment and process variables. (tappi.org)
  • The overall results were interpreted in terms of the topochemistry of the kraft pulping process. (ua.pt)
  • Sodium formate contributes to the delignification process during pulping. (jiuanchemical.com)
  • Sodium formate's role in enhancing the pulping process can lead to reduced chemical usage and more efficient fiber separation. (jiuanchemical.com)
  • Once the pulp is ready, it is then used to make paper in a process that is quite similar (in the basic actions) to the process first used by the ancient Chinese more than 1,900 years ago. (wonderopolis.org)
  • In addition to improving water quality by decreasing the Chemical Oxygen Demand (COD) burden of wastewater by up to 30% compared to standard solutions, EcoBright increases bleaching process yields, thereby limiting wood consumption. (imerys.com)
  • Most of the projects she has been involved in have been associated with process streams in pulp and paper mills. (lu.se)
  • In groundwood pulp, the fibres are fragmented, and there is considerable debris (fines). (britannica.com)
  • By measuring drainage, fiber width, and water retention value of hardwood and softwood pulps before and after sheet forming and after different drying procedures at different achieved levels of solids, the hornification was evaluated. (ncsu.edu)
  • The objective of this paper is to model the energy consumed in generating cellulose microfibres, 1 μm in diameter, as reinforcing agents, by refining bleached softwood kraft pulp in a PFI mill. (researchgate.net)
  • by refining bleached softwood kraft pulp in a PFI mill. (researchgate.net)
  • Papermakers use a variety of chemicals to bleach pulp to the color they want. (wonderopolis.org)
  • Totally Chlorine Free (TCF) and Elemental Chlorine Free (ECF) single- and multi-stage sequences were used to bleach whole stem kenaf pulp. (irost.org)
  • Eucalyptus globulus wood was subjected to kraft pulping, reaching different extents of delignification. (ua.pt)
  • HexA affects the kappa number determination by reaction with permanganate, and can react with certain bleaching chemicals, e.g. chlorine dioxide and ozone, but not with some others such as oxygen and peroxide. (complianceonline.com)
  • Chemical wood pulp that is purified both by bleaching and by alkaline extraction is called alpha or dissolving pulp. (britannica.com)
  • Due to the ease with which bagasse can be chemically pulped, bagasse requires less bleaching chemicals than wood pulp to achieve a bright, white sheet of paper. (wikipedia.org)
  • Bleaching chemicals volumes were slightly down, due to downtime at several major pulp customers in Brazil. (online-report.eu)
  • It helps maintain the stability of the bleaching agent, ensuring consistent and effective bleaching of pulp. (jiuanchemical.com)
  • Pulp bleaching is needed whenever bright pulp is used in the production of graphic paper, high-end packaging or white tissue paper. (imerys.com)
  • Optimal, cost-effective and environmentally friendly products for pulp bleaching and deposit control. (imerys.com)
  • This article is continuation to the modeling work carried out for hot water extraction and chemical pulp bleaching. (jyu.fi)
  • The results indicated that in contrast to unbleached kraft wood pulps, kraft kenaf pulps could be easily bleached to a brightness of 91.4% using a four-stage TCF [Q1(PO)Q2P] bleaching sequence. (irost.org)
  • The fruit pulp is slightly acidic and sweet. (medlineplus.gov)
  • Palmyrah fruit pulp (PFP) has a total potential production of 15-20 k tones. (who.int)
  • There are two possible major avenues for utilization: (1) debittering the fruit pulp to give jams, cordials etc., (2) fermenting the fruit pulp to obtain potable alcohol. (who.int)
  • In order to support the utilization of PFP , it was important to study the flabelliferin profiles of varying fruit pulps and attempt to correlate them to an easily distinguishable feature of the fruit or the fruit pulp so as to aid in the selection of the best mode of processing for utilization. (who.int)
  • There was no correlation between falbelliferin profile and morphological type, colour of fruit pulp, carotenoid content (total absorbance) and the carotenoid present (?max). (who.int)
  • As our customer, you will have support all the way in producing your pulp according to required needs while reducing cost, improving runnability, and maximizing yield and utilisation of resources. (bimkemi.com)
  • APMP pulping technology which is characterized by the color paste with high whiteness, high yield, the use of chemical supplies consumption, little pollution, is a new technique to get the high yield pulp. (aymachinery.com)
  • The ECF bleached pulps had slightly higher selectivity and yield than those of TCF bleached pulps. (irost.org)
  • The object of this paper is to study how the enzymatic treatment by xylanase and by an enzymatic cocktail containing cellulases and laccases affect elemental chlorine free bleached Eucalyptus globulus vessel and fiber porosities, bulk, and surface chemical compositions. (nature.com)
  • In the environment, these dioxin-like chemicals are persistent and usually occur as a mixture of congeners (i.e., compounds that differ by the numbers and positions of chlorine atoms attached to the dibenzo-p-dioxin, dibenzofuran, or biphenyl structures). (cdc.gov)
  • CPT Pulp & Paper, LLC is the industry leader and the premier supplier of anthraquinone, providing product and application technology to Globally for over 12 years. (chemicalproductscorp.com)
  • Today, CPC continues to build upon the principles that have brought about years of success as we expand and grow our business into areas such as organic and specialty chemicals. (precisioncolloids.com)
  • The mill suspended production after discovering that chemicals were spilling into the river through a ruptured underground sewer line and a failed floor drain on Oct. 7. (bangordailynews.com)
  • It appears that the leak did not violate the mill's effluent permit - which allows the mill to discharge some of its production waste into the river - but unlicensed chemical discharge into the river is a violation of state and federal laws, Kavanah said. (bangordailynews.com)
  • The global production of chemical wood pulp surpassed 151 million metric tons in 2021. (statista.com)
  • Pulp production from each stone is 130 to 150 tons every 24 hours. (britannica.com)
  • The production of paper involves the removal of excess water from pulp and utilizing a variety of ways to dry the material. (alexanderchemical.com)
  • Speciality Pulp and Paper Chemicals are used primarily to apply a coating on paper to improve its properties such as appearance, weight reduction, tensile and compressive strength, tear-resistance and reduction in water usage during production. (transparencymarketresearch.com)
  • This results in the production of high-quality pulps that can be used to create various paper products. (jiuanchemical.com)
  • Continued research is needed to integrate sodium formate's usage with green technologies and sustainable pulp and paper production methods. (jiuanchemical.com)
  • More than 300 pulp mills and more than 550 paper mills support its production. (rustbullet.com)
  • The detailed knowledge on carbohydrates composition at any stage of pulping gives possibility for further development of biorefinery cases based on kraft pulping, such as biofuel and chemicals production. (jyu.fi)
  • The establishment of major paper industries in the region and the rise in per capita consumption of different varieties of papers due to rapid urbanization activities surged the demand for Pulp and paper chemicals in the region. (chemanalyst.com)
  • As the awareness of the negative impacts of single-use plastics is growing, various end-user industries are replacing plastic packaging with high-quality paper, which is likely to propel the Europe Pulp & Paper Chemicals market during the forecast period. (chemanalyst.com)
  • Its unique properties make it relevant in numerous industries, including the paper and pulp sector. (jiuanchemical.com)
  • Workplace exposures can occur in industries that burn waste matter or that manufacture other chemical products containing these substances. (cdc.gov)
  • Buckman offers smart technologies and a complete portfolio of chemical products for the Pulp and Paper industry. (buckman.com)
  • As a professional chemical pulping manufacturer, Our professional and reliable products have won high reputation among both domestic and overseas clients. (aymachinery.com)
  • The pulp, paper and wood industry is made up of companies that use lumber as a raw material to manufacture a wide variety of products. (alexanderchemical.com)
  • For nearly the last century, the United States has been the largest maker of pulp and paper related products in the world. (alexanderchemical.com)
  • Besides, rapid increase in consumer spending on personal care and hygiene products are contributing significantly to the Pulp and paper chemicals demand in Europe. (chemanalyst.com)
  • COVID-19 had a positive impact on the pulp & paper chemicals industry as the demand for face cleaning papers, tissue papers, and other healthcare products were in demand. (chemanalyst.com)
  • The dioxins and furans are not manufactured or produced intentionally but are created when other chemicals or products are made. (cdc.gov)
  • People can be exposed to these chemicals by eating high-fat foods such as milk products, eggs, meat, and some fish. (cdc.gov)
  • The general population is exposed to low levels of these dioxin-like chemicals primarily through ingestion of high-fat foods such as dairy products, eggs, and animal fats, and some fish and wildlife. (cdc.gov)
  • However, the pulp is well-equipped to sense and fend off bacteria and their products and mounts various and intricate defense mechanisms . (bvsalud.org)
  • [Online Quarterly Update] Europe Pulp and paper chemicals demand stood at 0.62 Million Tonnes in 2020 and is forecast to reach 0.854 Million Tonnes by 2030, growing at a healthy CAGR of 3.64% until 2030. (chemanalyst.com)
  • Depending on what type of paper is desired, the pulp mixture might need to be bleached to create whiter paper. (wonderopolis.org)
  • Because the pulp mixture is so watery (sometimes as much as 99 percent water! (wonderopolis.org)
  • Huge machines spray the pulp mixture onto moving mesh screens to make a layered mat. (wonderopolis.org)
  • Ongoing studies in the group range from studies of human metabolic diseases to characterization of complex side streams from pulp processing. (lu.se)
  • What Role Does Sodium Formate Play in the Paper and Pulp Industry? (jiuanchemical.com)
  • This article delves into the multifaceted role of sodium formate in the paper and pulp industry, exploring its applications, mechanisms, benefits, and its contribution to sustainable practices. (jiuanchemical.com)
  • Q4: Are there alternatives to sodium formate in the paper and pulp industry? (jiuanchemical.com)
  • Anyang machinery Co., LTD. as a professional waste paper pulping manufacturer and chemical pulping manufacturer, affiliated to China National United Equipment Group corp. was founded in 1968, which is one big state owned enterprise licensed to manufacture pulp and paper-making machinery , cement equipment and chemical equipments under Chinese State owned assets supervision and administration commission of the state council. (aymachinery.com)
  • Vybrant® enzymatic technology can help you hit pulp brightness targets with less ClO2, fewer bottlenecks, and reduced costs and environmental impact. (buckman.com)
  • Speciality Pulp and Paper Chemicals are also responsible for increasing optical brightness and fluorescent brightness by using respective agents which in turn expected to leads to grow the Speciality Pulp and Paper Chemicals market during the forecast period. (transparencymarketresearch.com)
  • The pulp stock flows from the grinder pit to a series of rifflers and screens, which separate the heavy foreign material and pieces of unfibred wood (shives), knots, bark, and the like. (britannica.com)
  • Christian Hulteberg has managed to convert a by-product from pulp manufacturing to a liquid that is chemically identical to gasoline. (lu.se)
  • Groundwood pulp does not have a high whiteness, being limited in this quality by the colour of the wood from which it is made. (britannica.com)
  • Together with the PCDDs and PCDFs, cPCBs and mPCBs are often referred to as "dioxin-like" chemicals because they act in the body through a similar mechanism. (cdc.gov)
  • The COVID-19 pandemic led to increasing awareness about health and hygiene, resulting in exponential demand for tissue papers, toilet paper, face wipes, etc., which in turn, escalated demand for pulp and paper chemicals in the region. (chemanalyst.com)
  • Material and methods: A total of ten specimens of bovine pulp tissue, weighing 1.65 g each, were placed into flasks connected to a device developed for the study in order to reproduce irrigation dynamics. (bvsalud.org)
  • To obtain the bovine pulp tissue, the bovine mandibles were collected immediately after slaughter. (bvsalud.org)
  • With the aid of a size 10 K file, the pulp tissue was detached and removed from the dentinal walls. (bvsalud.org)
  • As bacteria get closer to the pulp, additional cell types of the pulp, including fibroblasts , stem and immune cells , but also vascular and neuronal networks, contribute with a variety of distinct defense mechanisms , and inflammatory response mechanisms are critical for tissue homeostasis . (bvsalud.org)
  • The pulp tissue is not mineralized and appears radiolucent. (medscape.com)
  • Over the years, BIM has developed a unique and extensive in-house expertise for innovating, developing and monitoring chemistries and applications for modern pulp manufacturing. (bimkemi.com)
  • To extract data for Europe Pulp & Paper Chemicals market, the ChemAnalyst team conducts primary research surveys with Pulp & Paper Chemicals manufacturers, suppliers, distributors, wholesalers, and customers, followed by exhaustive secondary research to cross-validate the information being collected through primary research surveys. (chemanalyst.com)
  • We have been exported to Indonesia, Vietnam, Pakistan, Malaysia and other countries with stable and reliable performance of chemical industry. (aymachinery.com)
  • In pulp and paper industry, white water treatment has always been a major problem for paper mills. (aymachinery.com)
  • The pulp industry "can inject a lot of money into the city and boost business undertakings of every kind," says investment advisor Aldo Manfrini. (corpwatch.org)
  • For over 70 years, Alexander Chemical has proudly served the pulp, paper and wood industry by supplying top quality chemicals to our customers. (alexanderchemical.com)
  • Here are just some of the pulp and paper chemicals that we can offer to this dynamic industry. (alexanderchemical.com)
  • Contact us today to learn more about how Alexander Chemical can be your one stop solution for all of your pulp, paper and wood industry chemicals. (alexanderchemical.com)
  • The data is updated on a near real-time basis to add any new movement in the industry including, but not limited to new plant announcements, plant shutdowns, temporary disruptions in demand or supply, news and deals, and much more specific to Pulp & Paper Chemicals. (chemanalyst.com)
  • The pulp and paper industry carries high costs in wastewater treatment. (diva-portal.org)
  • The pulp and paper industry is facing many challenges - tougher environmental regulations, stronger competition and new technologies, to mention some. (bimkemi.com)
  • Many of our experts and teams have a professional background in the pulp and paper industry. (bimkemi.com)
  • The paper and pulp industry is a cornerstone of modern society, providing essential materials for various applications. (jiuanchemical.com)
  • The $165 billion pulp, paper and allied product industry supplies the United States with approximately 300 kg of paper per person per year. (rustbullet.com)
  • Most groundwood pulp flows directly to an adjacent paper mill for use as stock. (britannica.com)
  • The water retention value was also measured for the pulps when dried from acetone to observe what happens when hydrogen bonds are not available in the liquid phase. (ncsu.edu)
  • The overall objective of this study was to collect chemical data of flabelliferins from PFP to promote its wider utilization. (who.int)
  • Polychlorinated dibenzo-p-dioxins (PCDDs), dibenzofurans (PCDFs), and dioxin-like polychlorinated biphenyls (PCBs) [coplanar and several mono-ortho-substituted PCBs] are similar classes of chlorinated aromatic chemicals that are produced as contaminants or byproducts. (cdc.gov)
  • Soda pulping was one of the first chemical pulping methods and was invented in 1851 by Burgess (United States) and Watts (England). (wikipedia.org)
  • Soda-AQ pulping of Cotton Stalks" (PDF). (wikipedia.org)
  • The facility is working to stop more chemicals from seeping into the river by trying to keep the contaminated water from flowing into the rest of it. (bangordailynews.com)
  • Early grinders employed round slabs of natural sandstone 69 centimetres (27 inches) wide and 137 centimetres (54 inches) in diameter , often directly connected to water wheels, to produce five or six tons of pulp per day. (britannica.com)
  • An important test to control the quality of groundwood pulp is freeness: the readiness with which water drains from and through a wet pad of pulp. (britannica.com)
  • Chemicals from water softening/ demineralisation, clarification salts etc. (nzdl.org)
  • Hornification in commercial chemical pulps: Dependence on water removal and hornification mechanisms ," BioResources 18(2), 3856-3869. (ncsu.edu)
  • When the paper has the desired thickness, it may be colored or coated with special chemicals to give it a special texture, extra strength, or water resistance. (wonderopolis.org)
  • The article introduces a detailed model for carbohydrate chemistry in kraft pulping. (jyu.fi)
  • The model is very successful in predicting the experimental data of carbohydrate reactions during kraft pulping. (jyu.fi)
  • The rise in demand for pulp and paper chemicals in the Europe region is due to increasing e-commerce activities that require high-quality paper packaging materials to prevent the use of plastics. (chemanalyst.com)
  • Under this subscription, you would be able to access Europe Pulp & Paper Chemicals market demand and supply analysis on a cloud-based platform for one year. (chemanalyst.com)
  • The factors which drive the Speciality Pulp and Paper Speciality Chemicals market are an increase in demand in functional chemicals such as dyes, pigments, binders, sizing chemicals, special coating agents and paper for printing & labeling, increase in demand of coated paper which gives better look like packaging material and can be used to self-branding of the product. (transparencymarketresearch.com)
  • E-commerce activities in the country are developing and also contributing to the increasing demand for chemicals. (chemanalyst.com)
  • The result is less wood consumption, reduced chemical usage, and lower energy use…all environmentally desirable qualities. (chemicalproductscorp.com)