• The synergies between foam fractionation and froth flotation have been explored in a 2009 special issue of the Asia Pacific Journal of Chemical Engineering. (wikipedia.org)
  • Organic solvents with different polarities and solubilities can be used to fractionate lignin and reduce the complexity and diversity of its chemical structure. (diva-portal.org)
  • Among the various solvents and solvent mixtures, acetone-water mixtures offer an energy-efficient, cost-effective, and environmentally friendly means of lignin fractionation. (diva-portal.org)
  • In the present study, temperature-induced acetone-water fractionation was investigated to refine the properties of a technical softwood Kraft lignin, i.e. (diva-portal.org)
  • The measured physicochemical properties will help in proposing potential valorisation routes for these lignin streams within the project scope, focusing on their depolymerisation and subsequent biological conversion to value-added chemicals and fuels. (lu.se)
  • Green solvents are screened for their ability to solubilise and extract technical lignin streams and different solvents mixtures are selected/designed in accordance towards selective/efficient lignin fractionation methodologies. (lu.se)
  • The main achievement was the development of operating procedures for ultrafiltration of kraft black liquor at temperatures above the normal boiling point and in achieving fractionation between hemicelluloses and lignin in the liquor. (lu.se)
  • After receiving his PhD in 2005 he continued as a researched in the lignin fractionation field working with membrane filtration and with the Lignoboost process in cooperation with Inventia. (lu.se)
  • Fractionation and chemical characterization studies on Micropolyspora faeni antigens. (cdc.gov)
  • During the previous research period (January - March 2021) scientists began the biorefining processes - extraction, fractionation and chemical characterization of active compounds that can be found in by-products. (vri.lv)
  • Whilst protein skimmers have been common place in aquaria for many years, it was not until the 1960s that a concerted effort was made by Robert Lemlich of the University of Cincinnati to characterise a model of adsorptive bubble separation processes, of which foam fractionation is one example. (wikipedia.org)
  • As in many chemical processes, there are competing considerations of recovery (i.e. the percentage of target surfactant that reports to the overhead foamate stream) and enrichment (i.e. the ratio of surfactant concentration in the foamate to the concentration in the feed). (wikipedia.org)
  • In addition to measuring these isotopic compositions, the proposed work will involve measurements and lab experiments designed to understand the mechanism generating these compositions, in other words, what chemical processes are responsible and how these differ from processes identified in other settings. (ukri.org)
  • The main duties of this post-holder will include combinations of the following: 1) application of general microbiolgical and molecular biology techniques for isolating and culturing strains from environmental and bioreactors samples 2) establishing bioreactors for treating wastes and generating biogas and other high value products from waste biomass 3) exploiting physical-chemical approaches including application of nanomaterials and ultrasound to stimulate microbial processes. (ox.ac.uk)
  • 4) application of chemical analysis approaches for monitoring microbial processes. (ox.ac.uk)
  • Fractionation, hydrogenation and/or interesterification are the processes most often used, but some specialty fats may require other modifications. (naturalproductsinsider.com)
  • I have been working in different projects in biotechnology/chemical/food engineering in both upstream and downstream processes aiming for process optimization. (lu.se)
  • Membrane processes are considered to be key components in all bioprocesses, and they can be used for both fractionation and concentration of biomass components. (lu.se)
  • It was developed over 80 years ago by Kleinert and Tayenthal [ 2 ] for the fractionation of multiple types of lignocellulosic feedstocks, including wood and agricultural wastes, using low-boiling point water-miscible solvents as pulping agents. (hindawi.com)
  • lt;p>Part IV: The chemical fractionation of the protein constituents of Panulirus Interruptus (spiny lobster) blood was repeated, and an electrophoretic study of the fractions, confirming the presence of at least three separate proteins, is described. (caltech.edu)
  • It was research into the froth phase of froth flotation conducted at the University of Newcastle, Australia, specifically into the prediction of liquid fraction and liquid flux in a pneumatic foam, that enabled a preliminary mechanistic description of foam fractionation. (wikipedia.org)
  • Preliminary fractionations of the body fluids of Cancer Anthonyi (crab), Stichopus Californicus (sea cucumber), and Halitotis Fulgens (green abalone) are also reported. (caltech.edu)
  • This work focuses on developing corrosion control and protecting the environment by creating affordable, sustainable, environmentally friendly, and efficient corrosion resistance chemicals. (bvsalud.org)
  • Food laboratories should strengthen their detection and isolation of microbes, viruses and chemical toxins. (who.int)
  • Assembly in 2005 (WHA58.13) expressed its support for "the for fractionation as a source material for plasma full implementation of well-organized, nationally coordinated derived medicinal products. (who.int)
  • Finally, the results of the project will be used to make a better quantitative model that may allow application of Si and Li isotopes as proxies for chemical weathering intensity. (ukri.org)
  • The use of NMR technology enabled the Martins to examine the chemical composition of wine at a molecular level and thereby determine the nature of its components based on their atomic isotopes. (referenceforbusiness.com)
  • The mass differences between isotopes leads to quantifiable kinetic- or mass dependent fractionation that is characteristic of the biological, chemical or physical history of a sample. (lu.se)
  • Foam fractionation proceeds via two mechanisms: The target molecule adsorbs to a bubble surface, and The bubbles form a foam which travels up a column and is discharged to the foamate stream of foam fractionation. (wikipedia.org)
  • The main objective, of identifying the controls on isotopic fractionation in these environments, was met through a detailed study of weathering at La Selva Biological Preserve in Costa Rica, as originally proposed. (ukri.org)
  • Carter brings a wealth of experience as a Process Safety Professional, with a background that spans various sectors, including onshore natural gas Exploration and Production (E&P), Midstream Gas Processing, Treating, NGL Fractionation, and the Chemical Processing/Manufacturing industry. (lamar.edu)
  • Researchers work with separation technology at Lund University for use within bioprocesses of biobased energy, chemicals and materials. (lu.se)
  • Ola Wallberg, PhD, is an associate Professor at the department of Chemical Engineering at Lund University. (lu.se)
  • The fractionation process renders FCO highly shelf-stable, lasting indefinitely at room temperature compared to only two years for regular coconut oil. (preparedness.news)
  • It is known that stable carbon isotope fractionation is associated with the fixation of CO in autotrophic organisms [2]. (lu.se)
  • Weathering is particularly important in setting the pace of global chemical cycles, including the cycle of carbon, because the solid Earth actually holds vastly more carbon, in the form of carbonate like limestone, than the atmosphere, oceans, and biosphere together. (ukri.org)
  • Because the pace of chemical weathering depends on climate, which in turn depends on atmospheric carbon concentrations, weathering is a key piece in the how the Earth system operates, and how it may be respond to human disturbance. (ukri.org)
  • The impending depletion of fossil resources has incited a rise of interest in converting renewable resources, such as lignocellulosic feedstocks, to chemicals and fuels. (hindawi.com)
  • Purification of depolymerised lignins is essential for the application in some products like fuels and fine chemicals. (lu.se)
  • The main objective of my research focuses on showing how wastewater treatment plants are acting as sources for microplastics into aquatic systems, their behavior during the treatment process and using column foam fractionation technique for the removal. (edu.au)
  • I completed my bachelor's degree in chemical engineering in 2015 from Rajiv Gandhi University, India. (edu.au)
  • I joined UQ as a research assistant in the School of Chemical Engineering department under Dr Pradeep Shukla for working on the removal of PFAS using foam fractionation technology. (edu.au)
  • You will deal with the chemical and enzymatic synthesis of base-modified RNA and XNA for applications in chemical biology and development of RNA therapeutics. (eurosciencejobs.com)
  • This realisation has stimulated efforts to develop multiple new proxies of chemical weathering, efforts that have been facilitated by technological advancements allowing improved measurement of the isotopic ratios of key elements involved in weathering reactions. (ukri.org)
  • An enzyme is a protein that speeds up certain chemical reactions in your body. (medlineplus.gov)
  • The company has developed some 10,000 analytical methods for testing, analyzing, and identifying biochemical components in foods, pharmaceuticals, and other chemicals as well as in fertilizers, pesticides, and the environment. (referenceforbusiness.com)
  • Synergistic activation of estrogen receptor with combinations of environmental chemicals. (cdc.gov)
  • Shergottite Northwest Africa (NWA) 8159 is a basaltic rock derived from a mantle source with chemical characteristics that are unique in the martian meteorite suite. (diva-portal.org)
  • Also, I am interested in performing computational modelling operations on the fractionation column and correlating this with experimental results. (edu.au)
  • Substances and adopted 12 International Chemical Reference Substances. (who.int)
  • However it has much broader application in the chemical process industry and can be used for the removal of surface active contaminants from waste water streams in addition to the enrichment of bio-products. (wikipedia.org)
  • As a result, the isotopic composition of these rivers, and of sediments that may eventually form from them, potentially provides information about the relative rates of chemical reaction and physical removal of material (because this removal inhibits soil formation). (ukri.org)
  • 2. Insights into the chemical diversity of the martian mantle from the Pb isotope systematics of shergottite Northwest Africa 8159 Bellucci, J. J. (diva-portal.org)
  • Additives are added to lubricating oils to improve its physical and chemical properties. (cdc.gov)
  • Basic chemical analysis (GC-MS, HPLC, BOD/COD) methods for assessing microbial biodegradation characteristics. (ox.ac.uk)
  • Quantification of microplastics in wastewater samples and studying column foam fractionation efficiency in treatment are key to my research. (edu.au)
  • Robert Lemlich showed how foam fractionation columns can be operated in stripping, enriching, or combined modes (depending on whether the feed is sent to the top, bottom or middle of the column), and can be operated with or without an external reflux stream at the top of the column. (wikipedia.org)
  • method), chemical structure (via ATR-FTIR, 1 H NMR, 31 P NMR, and thioacidolysis), as well as the molecular weight distribution of the isolated lignins were analyzed and compared. (hindawi.com)
  • An area of particular interest is the application of engineered, physical and chemical approaches for stimulating microbial activities and enhancing their rates of reaction and dealing with recalcitrant compunds. (ox.ac.uk)
  • They labeled the method SNIF-NMR, for Site Specific Natural Isotope Fractionation Studied by Nuclear Magnetic Resonance. (referenceforbusiness.com)
  • The techno-economic evaluation confirmed the commercial viability of this fractionation process. (diva-portal.org)
  • studied a novel acid-catalyzed acetone organosolv fractionation process of spruce and pine, amongst other lignocellulosic feedstocks, as pretreatment for enzymatic sugar production. (hindawi.com)
  • 4- Has very good experiences in using the Bio Laboratories chemicals and equipments has a certificate from University Sains Malaysia and Esco lab technique company. (edu.iq)