• For example, the presence of calcium during struvite precipitation can decrease mineral purity by co-precipitating calcium carbonate and calcium phosphate minerals with struvite. (rsc.org)
  • Pilot trials with struvite precipitation for P-recovery have been performed and will be implemented in full scale to recover 18-30 tons P/year. (sintef.no)
  • 50%) by struvite precipitation will be demonstrated. (sintef.no)
  • The first is struvite precipitation, a technology which has already been tested in multiple projects on urine treatment. (scielo.org.za)
  • Struvite precipitation is a simple and fast process for phosphorus recovery. (scielo.org.za)
  • Therefore, struvite precipitation has to be combined with other treatment processes to prevent environmental pollution and hygiene risks. (scielo.org.za)
  • This process combination is more complex than struvite precipitation, but it recovers all nutrients in one concentrated solution, ensures safe sanitisation and produces only distilled water and a small amount of sludge as by-products. (scielo.org.za)
  • While urine electrolysis requires further research in the laboratory, struvite precipitation and nitrification/distillation have already been operated at pilot scale. (scielo.org.za)
  • Microemulsion-assisted Precipitation of Particles: Experimental and Model-based Process Analysis. (mpg.de)
  • Naturally self-assembled wood cellulose can be disintegrated to nanosized particles with a diversity of morphology by top-down processes, adjusting the manufacturing parameters. (kth.se)
  • Thanks to the developments made in recent years, among other things, we can more accurately simulate the effect of natural and artificial aerosol particles on precipitation formation, and we can also determine how atmospheric pollutants affect the chemical characteristics of water droplets. (pte.hu)
  • The new particles are components for hybrid inks that become electrically conductive without any chemical or thermal post-deposition treatment. (bsz-bw.de)
  • Releasing particles of silver iodide in the sky causes water droplets to cluster together around the chemical, forming clouds that can result in rain or snowfall depending on the conditions. (mic.com)
  • The complexity is further compounded by the fact that the biosphere, clouds and particles are related through important feedback processes. (lu.se)
  • VHL is equipped with meteorological instrumentation and can measure gases, aerosol particles, and precipitation chemistry. (lu.se)
  • This involves energy changes depending on the dissolution reaction free energy (endothermic or exothermic process accompanied by an entropy increase) and the relative surface energy developed between the solid and the solution. (wikipedia.org)
  • Potential sources of V to groundwater include dissolution of V rich rocks, and waste streams from industrial processes. (usgs.gov)
  • Geochemical processes such as adsorption/desorption, precipitation/dissolution, and chemical transformations control V concentrations in groundwater. (usgs.gov)
  • It involves dissolution and a series of solvent extractions, evaporation, precipitation and filtration steps to produce highly pure salts for each PGM. (matthey.com)
  • The combination of hydrogeochemical, isotopic, statistical, and GIS approaches demonstrates that the salinity and the groundwater composition are largely controlled by the water-rock interaction particularly the dissolution of evaporate minerals and the ion exchange process, the return flow of the irrigation water, agricultural fertilizers, and finally saltwater intrusion which started before 1980 and which is partially mitigated by the artificial recharge since 1993. (hindawi.com)
  • Commonly discussed chemical reprocessing strategies include polymer recycling (dissolution/precipitation), monomer recycling (solvolysis and pyrolysis), and plastics-to fuels. (erefdn.org)
  • The recovery process includes scrap preparation, dissolution of metallics in chlorinated acid solution, carbon adsorption, successive solvent extraction separations, and selective chemical precipitations. (cdc.gov)
  • The recovery of PO 4 using the two-step adsorption-precipitation process was compared with direct precipitation in urine and anaerobic digester filtrate considering chemical requirements for precipitation and mineral purity. (rsc.org)
  • The key findings of this research are new experimental data on (1) P adsorption from urine and anaerobic digester filtrate to resin under continuous-flow operation and corresponding regeneration efficiency, and (2) chemical requirements for and mineral purity of P precipitation in the spent regenerants from resin adsorption/desorption and original waste waters. (rsc.org)
  • Adsorption/desorption as a partitioning process associated with organic carbon, is not a relevant endpoint for these inorganic salts and bioavailability is considered the more relevant criterion. (europa.eu)
  • To achieve this, innovative technologies will be developed, including advanced nanofiltration, membrane crystallization, advanced multi-effect distillation, and selective processes such as adsorption and solvent extraction (see Fig. 1). (chemistryviews.org)
  • It considers all types of reactions (aqueous complexation, adsorption-desorption, precipitationdissolution, ion-exchange, hydrolysis, and abiotic and biotic-mediated redox) as both fast/equilibrium and/or slow/kinetic processes, using a consistent definition of fast/equilibrium reaction rates. (benthamscience.com)
  • Stable isotope and geochemical techniques have been used in groundwater studies of coastal aquifers worldwide [ 22 - 25 ] for determining the origins of groundwater salinization in aquifers and processes that affect water chemistry, such as rock weathering, evaporation, atmospheric precipitation, and cation exchange. (hindawi.com)
  • In case of an inorganic chemical reaction leading to precipitation, the chemical reagent causing the solid to form is called the precipitant. (wikipedia.org)
  • While precipitation reactions can be used for making pigments, removing ions from solution in water treatment, and in classical qualitative inorganic analysis, precipitation is also commonly used to isolate the products of an organic reaction during workup and purification operations. (wikipedia.org)
  • The existing production of organic fertilizers and inorganic fertilizers in the Minorga process will be improved by use of P and N from the treatment plants. (sintef.no)
  • Potential water treatment processes for inorganic contaminants can be grouped into three categories: physical ( see Part 3 ), chemical ( see Part 4 ), and biological. (wateronline.com)
  • In general, degradation is an irrelevant process for inorganic substances that are assessed on an elemental basis. (europa.eu)
  • The physico-chemical process underlying digestion is called Ostwald ripening. (wikipedia.org)
  • Environmental fate is dominated by abiotic and physico-chemical processes, including precipitation and settling. (europa.eu)
  • The use of industrial waste materials as precipitation chemicals in the simultaneous removal of ammonium and phosphate from nutrient-containing wastewaters was studied in this dissertation. (oulu.fi)
  • The different processes studied were Pre-precipitation, Simultaneous precipitation and Biological phosphorous removal. (ivl.se)
  • In the present study, kinetics of degradation of EDTA (20,000 mg/l) by employing either Photo-Fenton process using UV (15 W λ max = 253.7 nm) or Sono-Fenton process using ultrasound at 130 KHz or simultaneous Sono-Photo Fenton process has been investigated. (scirp.org)
  • Advanced Oxidation Processes for Dye Removal From Wastewater. (igi-global.com)
  • IFAS-MBR with co-precipitation and combined pre- and post-denitrification for removal of P and N from wastewater. (iwaponline.com)
  • Phosphorus recovery by precipitation is a well-established process whereby the minerals struvite (MgNH 4 PO 4 ·6H 2 O), 7,9-12 and to a lesser extent potassium struvite (MgKPO 4 ·6H 2 O), 13,14 have been investigated for various types of wastewater. (rsc.org)
  • The wastewater is treated by adjusting pH value and adding chemicals that cause de-emulsification, precipitation, coagulation, and flocculation. (yokogawa.com)
  • When the dairy process plant effluent enters the wastewater treatment facility, the water stream is considered the primary influent. (yokogawa.com)
  • Dairy wastewater is a mixture of organic compounds, suspended solids, fats, and bacteria that can produce a film or coating on equipment in the process. (yokogawa.com)
  • In this study we compare the environmental impact of treating wastewater to two different levels of effluent quality (total phosphorus concentration, 1 mg P/L and 0.3 mg P/L) in three different process configurations using dynamic process modelling and life cycle assessment (LCA). (ivl.se)
  • The present invention relates to the preparation method of a kind of active carbon-persimmon tannin compound adsorbent.This compound adsorbent is applicable to purification and the processing of handling the industrial wastewater and the resident living water that contain heavy metal ion. (google.com)
  • The WWTPs are in the process of converting from chemical phosphorus removal to enhanced biological phosphorus removal (EBPR). (sintef.no)
  • HIAS is implementing an innovative continuous MBBR process for enhanced biological phosphorus removal (EBPR) in collaboration with their commercial partner Hias How2O. (sintef.no)
  • The goal is to reach the total phosphorus discharge limits without using any chemicals for precipitation. (sintef.no)
  • These are engineered treatment systems that use an organic substrate to drive microbial and chemical reactions to reduce acidity and concentrations of metals and sulfate in industrial waters (Interstate Technology & Regulatory Council, 2013, Biochemical Reactors for Mining-Influenced Waste ), primarily mining-influenced water (MIW). (wateronline.com)
  • The chemical composition of natural water is derived from many different sources of solutes, including gases and aerosols from the atmosphere, weathering and erosion of rocks and soil, solution or precipitation reactions occurring below the land surface, and cultural effects resulting from activities of man. (usgs.gov)
  • REFLECT focuses on operational issues associated with geothermal energy production that can be solved with better knowledge of the respective fluid properties and their chemical reactions gained within REFLECT. (gfz-potsdam.de)
  • The hydrogen molecule damages the ocular surface by altering the pH, whereas the anion causes protein denaturation, precipitation, and coagulation. (medscape.com)
  • With them, in recent years we examined how and with what efficiency it is possible to artificially increase the amount of precipitation falling from the clouds in winter and summer climatic conditions. (pte.hu)
  • Cloud-seeding is the process of adding chemicals to the air in order to artificially increase the odds of precipitation. (mic.com)
  • The notion of precipitation can also be extended to other domains of chemistry (organic chemistry and biochemistry) and even be applied to the solid phases (e.g. metallurgy and alloys) when solid impurities segregate from a solid phase. (wikipedia.org)
  • This interdisciplinary field combines the principles of chemistry and environmental science, focusing on understanding how chemicals behave in natural systems. (freescience.info)
  • Environmental chemistry explores the impact of human activities on our surroundings, delving into topics such as toxicology, chemical bonding, and reaction mechanisms. (freescience.info)
  • Taken all together and in application with the further influence of the general circulation of all water in the hydrologic cycle, the chemical principles and environmental factors form a basis for the developing science of natural-water chemistry. (usgs.gov)
  • CFD modeling of BaSO4 precipitation inside microemulsion droplets in a semi-batch reactor. (mpg.de)
  • CFD Model of a Semi-batch Reactor for the Precipitation of Nanoparticles in the Droplets of a Microemulsion. (mpg.de)
  • With the help of computer models, we investigate a wide range of atmospheric processes (from the formation of water droplets of a few microns to flows of the order of km). (pte.hu)
  • Advanced oxidation processes (AOPs), namely the Fenton oxidation, ozonation, electrochemical oxidation, and photocatalysis, are potential alternative techniques for dye removal from textile effluents. (igi-global.com)
  • From the observed pH changes during the oxidation processes, it can be concluded that there is a loss of chelating ability of EDTA. (scirp.org)
  • C. P. Huang, D. Cheng and Z. H. Tang, "Advanced Chemical Oxidation: Its Present Role and Potential Future in Hazardous Waste Treatment," Waste Management, Vol. 13, No. 5-7, 1993, pp. 361-377. (scirp.org)
  • The process of photoreduction may overcompensate the aerobic oxidation resulting in the presence of ferrous (Fe2+) ions during daylight and disappearing during the night (Kopácek et al 2005). (europa.eu)
  • The contribution of irradiation and the dihydroxybenzenes (DHB), catechol (CAT) and hydroquinone (HQ), added or formed as phenol oxidation intermediates, was evaluated for the reduction of Fe III and for phenol degradation via Fenton processes. (scielo.br)
  • One of the most promising advanced oxidation processes (AOPs) for treatment of effluents containing recalcitrant contaminants is that based on Fenton reaction. (scielo.br)
  • High concentrations of Fe II increase the rate of oxidation process, however catalytic amounts of Fe II or Fe III are preferred to avoid the formation of Fe III hydroxides sludge. (scielo.br)
  • the subsequent atmospheric oxidation of BVOCs and their secondary organic aerosol (SOA) formation potential, with consequences for clouds, global radiation and precipitation. (lu.se)
  • Flow reactors and chambers are used to test reaction mechanisms and aerosol processes, while larger oxidation chambers and the access to European infrastructures within strategic research collaboration, e.g. the Plan chamber in Julich and the SAPHIR chamber, allow to mimick atmospheric conditions. (lu.se)
  • Another example of attached-growth biological treatment is the ABMet process originally developed by Applied Biosciences of Salt Lake City, UT (now part of GE Water), which uses biological sulfate reduction to precipitate arsenic and heavy metals. (wateronline.com)
  • This biological process has been successful with both high-TDS (35,000 mg/L total dissolved solids) and low-temperature (4 o C) waters. (wateronline.com)
  • The most comprehensive collection of chemical and biological modi- fications being relevant to mass spectrometry can be found in UniMod [12]. (lu.se)
  • Multidimensional Population Balance Modeling of Barium Sulfate Precipitation in Microemulsions. (mpg.de)
  • Synthesis of Poly(N-vinylcaprolactam)-Based Microgels by Precipitation Polymerization: Process Modeling and Experimental Validation. (acs.org)
  • Nanoparticle Precipitation in Microemulsions: Population balance Model and Identification of bivariate droplet exchange kernel. (mpg.de)
  • Dynamic Process Model for Nanoparticle Precipitation in Microemulsion Systems. (mpg.de)
  • Nanoparticle Precipitation in Reverse Microemulsions: Particle Formation Dynamics and Tailoring of Particle Size Distributions. (mpg.de)
  • Nanoparticle Precipitation in Microemulsions: A Discrete-Continuous Population Balance Approach. (mpg.de)
  • Two Coupled Population Balances with Three Discrete Internal Coordinates for Nanoparticle Precipitation in Colloidal Systems. (mpg.de)
  • Model-based process evaluation of nanoparticle precipitation in microemulsions. (mpg.de)
  • Under REACH (ECHA 2008, Chapter R.7B - Endpoint Specific Guidance), the term 'Hydrolysis' refers to the "Decomposition or degradation of a chemical by reaction with water", and this is a function of pH (i.e. abiotic degradation) for the respective metal kations present in the submission item. (europa.eu)
  • Formation of amides was con - firmed during the degradation processes. (scirp.org)
  • Therefore, the degradation efficiency of organic contaminants are strongly dependent on reduction of Fe III species, which can be overcome by the use of radiation (photo-Fenton process), increasing drastically the efficiency of the overall process through the photolysis of Fe III species, such as aqua and some organic complexes, which dissociate in the excited state to yield Fe II and oxidized ligand. (scielo.br)
  • The chemical composition of the magma and its cooling rate determine the final rock type. (nps.gov)
  • Material can enter our refining circuit at different stages depending on its composition, helping to optimise the process. (matthey.com)
  • Its composition depends on the type of desalination process and the area where the desalination takes place. (chemistryviews.org)
  • The chemical composition of the crustal rocks of the earth and the composition of the ocean and the atmosphere are significant in evaluating sources of solutes in natural fresh water. (usgs.gov)
  • Graphs may show water type based on chemical composition, relationships among ions, or groups of ions in individual waters or many waters considered simultaneously. (usgs.gov)
  • Fundamental knowledge of processes that control natural water composition is required for rational management of water quality. (usgs.gov)
  • The major ion hydrochemistry and environmental isotope composition ( δ 18 O, δ 2 H) were investigated to identify the recharge sources and processes that affect the groundwater salinization. (hindawi.com)
  • The chemical composition of used mineral-based crankcase oil varies widely and depends on the original crude oil, the processes used during refining, the efficiency and type of engine the oil is lubricating, the gasoline combustion products, the additives added to the fuel and to the original oil, and the length of time that the oil remains in the engine. (cdc.gov)
  • The severity of this injury is related to chemical composition, pH, volume, concentration, duration of exposure, and the degree of penetration of the chemical. (medscape.com)
  • EDTA is effectively degraded by the synergistic effect of both Photo Fenton and Sono Fenton process. (scirp.org)
  • IFAS-MBR with co-precipitation, not yet commonly used in practice, will result in a very compact process for nutrient removal. (iwaponline.com)
  • Chemical separation is a highly complex multistage process that converts the five PGMs into their final product forms, commonly a PGM salt or sponge. (matthey.com)
  • The precipitation of a compound may occur when its concentration exceeds its solubility. (wikipedia.org)
  • By cooling the reaction mixture to room temperature, crystals of the porphyrin precipitate, and are collected by filtration on a Büchner filter as illustrated by the photograph here beside: Precipitation may also occur when an antisolvent (a solvent in which the product is insoluble) is added, drastically reducing the solubility of the desired product. (wikipedia.org)
  • Chemical or physical processes such as precipitation, corrosion, or degassing occur as pressure and temperature change with serious consequences for power plant operations and project economics. (gfz-potsdam.de)
  • [ 7 ] More than 60% of chemical injuries occur in workplace accidents, 30% occur at home, and 10% are the result of an assault. (medscape.com)
  • A comparison of deterministic population balance equations and stochastic Monte-Carlo approaches for modelling the particle precipitation in microemulsions. (mpg.de)
  • Examples of such models are box models based on MCM (Master Chemical Mechanism) or similar chemical schemes linked to some dynamic aerosol particle representations often based on information from laboratory work. (lu.se)
  • Alpha particle ( ionizing radiation ) - two neutrons and two protons bound as a single particle (a helium nucleus) that is emitted from the nucleus of certain radioactive isotopes in the process of disintegration. (cdc.gov)
  • Similar processes are often used in sequence - for example, a barium nitrate solution will react with sulfate ions to form a solid barium sulfate precipitate, indicating that it is likely that sulfate ions are present. (wikipedia.org)
  • Reduced discrete population balance model for precipitation of barium sulfate nanoparticles in nonionic microemulsions. (mpg.de)
  • Nitrification is an aerobic process while denitrification is anaerobic. (wateronline.com)
  • The second process is a combination of nitrification and distillation. (scielo.org.za)
  • An important stage of the precipitation process is the onset of nucleation. (wikipedia.org)
  • If energy changes are not favorable, or without suitable nucleation sites, no precipitation occurs and the solution remain supersaturated. (wikipedia.org)
  • We find that primary nucleation is slow, and that secondary processes dominate the aggregation process once the initial aggregates are formed. (lu.se)
  • Given the importance of groundwater as a source of drinking water in many areas of the world, this study examines the potential sources and geochemical processes that control the distribution of V in groundwater on a regional scale. (usgs.gov)
  • Consequently, studying stable isotope and geochemical techniques can significantly improve our understanding of groundwater hydrodynamical processes and chemical evolution [ 26 ]. (hindawi.com)
  • Fundamental data used in the determination of water quality are obtained by the chemical analysis of water samples in the laboratory or onsite sensing of chemical properties in the field. (usgs.gov)
  • A process was developed and demonstrated on a laboratory scale for treating this complex waste product to recover the more valuable metals. (cdc.gov)
  • The vast amounts of water used in these processes produce effluents containing dissolved sugars, proteins, fats, and possibly residues from additives. (yokogawa.com)
  • The invention relates to a metal surface multilayer nickel plating process with excellent corrosion resistance. (google.com)
  • The proposed approach includes advanced fluid sampling techniques, the measurement of fluid properties at in situ conditions, and the exact determination of key parameters controlling precipitation and corrosion processes. (gfz-potsdam.de)
  • Methods of state estimation for particulate processes. (mpg.de)
  • Our experienced chemists ensure a high level of accuracy in our assay process, using advanced sampling methods and wide-ranging analytical techniques that are optimised for each material. (matthey.com)
  • The tests demonstrated that an IFAS-MBR process with co-precipitation and an aerobic suspended biomass SRT of 5-10 days is feasible, and that all the performance goals set up for the full-scale plant were achieved. (iwaponline.com)
  • IFAS-MBR process worked well at suspended biomass aerobic SRTs of 5-10 d. (iwaponline.com)
  • Hybrid anion exchange resin containing hydrous ferric oxide (HAIX-Fe) was used in column tests to remove phosphate (PO 4 ) from fresh urine, hydrolyzed urine, and anaerobic digester filtrate, and subsequently recover PO 4 as struvite (MgNH 4 PO 4 ·6H 2 O) or potassium struvite (MgKPO 4 ·6H 2 O) via precipitation in the spent regenerant. (rsc.org)
  • Precipitation in the spent regenerant from HAIX-Fe resin saturated with PO 4 from anaerobic digester filtrate produced a higher purity mineral than direct precipitation in the anaerobic digester filtrate. (rsc.org)
  • For example, previous researchers have achieved 95% P recovery by precipitation of either struvite or potassium struvite in human urine, 14 and 94% P recovery by precipitation of struvite in anaerobic digester sidestreams. (rsc.org)
  • The present invention relates to a kind of metallic surface electroplating processes technology, a kind of specifically metallic surface multiple layer nickel plating technique with superior antiseptic property. (google.com)
  • Lignin depolymerisation strategies: towards valuable chemicals and fuels. (ehu.eus)
  • Hutchinson's comment was not only a complaint but also a challenge to all ecosystem scientists who followed to quantify the Earth's biogeochemical cycles, for he understood that the resilience and functioning of ecosystems was entirely dependent on how plants, animals, and decomposers used and reused the chemical elements that we call nutrients. (springer.com)
  • All processes are designed and operated for maximizing reuse of energy and nutrients. (sintef.no)
  • At IVAR IKS, process solutions to maximize the impact of available carbon for energy production, minimize operational problems of unintended struvite formation and harvest the nutrients for industrial use will be demonstrated. (sintef.no)
  • When silver nitrate (AgNO3) is added to a solution of potassium chloride (KCl) the precipitation of a white solid (AgCl) is observed. (wikipedia.org)
  • Precipitation in the spent regenerants and original wastewaters (urine and filtrate) yielded 96.7-99.8% PO 4 recovery as struvite or potassium struvite. (rsc.org)
  • This process begins when water traveling through rock dissolves some of the minerals, carrying them away from their source. (nps.gov)
  • Some of the processes of solution or precipitation of minerals can be closely evaluated by means of principles of chemical equilibrium including the law of mass action and the Nernst equation. (usgs.gov)
  • During the treatment process, various measurement parameters are monitored to ensure proper cleanup. (yokogawa.com)
  • Safe food represents not only the food of certain texture, but food which does not consist microbiological, physical, chemical, radiological or any other contaminants. (who.int)
  • Simplified flow sheet for the proposed IFAS-MBR process at Gardermoen WWTP. (iwaponline.com)
  • Other processes are irreversible and require consideration of reaction mechanisms and rates. (usgs.gov)
  • The iron-based bullion is also acid leached but follows a different chemical treatment route, given the different solubilities of the five PGMs that it contains. (matthey.com)
  • Chemical recycling is an emerging and potentially scalable alternative to convert waste plastics into virgin-quality resins1 or refinery feedstocks. (erefdn.org)
  • Due to the coagulant (Al) addition, the concern was precipitation on the biofilm carriers in the aerobic reactor in Train A. A small internal air-lift pump proved to be very efficient in controlling biofilm thickness and removing excess biofilm mass as needed. (iwaponline.com)
  • HIAS is implementing an innovative continuous moving bed biofilm reactor (MBBR) process in collaboration with their partner, the SME Hias How2O. (sintef.no)
  • The attached bacteria (a biofilm) provide a very robust process in that it is very resilient to changes in flow, pH, and contaminant concentration. (wateronline.com)
  • Direct precipitation in fresh urine and hydrolyzed urine was more efficient than precipitation in the corresponding spent regenerants based on lower chemical requirements. (rsc.org)
  • In this interactive, online course, we will discuss key information regarding water treatment technology of drinking water, including characteristics and capabilities of water treatment processes, source water quality, distribution system considerations, and residuals management. (redvector.com)
  • Our process involves up to four key stages, using a combination of pyrometallurgical and chemical treatment processes. (matthey.com)
  • Nonetheless, the environment can quickly become overwhelmed if used water from processes is released without treatment. (yokogawa.com)
  • Automatic process control in the models was used to achieve similar treatment results for the different processes. (ivl.se)
  • While regulatory limits are being established ( see Part 1 ), the process of identifying a cost-effective treatment process should be undertaken ( see Part 2 ). (wateronline.com)
  • Frontier Water Systems has modified the ABMet process for high-rate treatment of arsenic, nitrate, selenium, and metals from mining and power operations. (wateronline.com)
  • The presence of EDTA in decontamination wastes can cause complexation of the cations resulting into interferences in their removal by various treatment processes such as chemical precipitation, ion exchange etc. (scirp.org)
  • Understanding the physical and chemical processes in clouds is essential to reliably predict short-term (weather) and long-term (climate) changes in the atmosphere. (pte.hu)
  • Microphysical and dynamical processes in different clouds (such as in squall lines, orographically enhancing cloud formation, fog, etc. (pte.hu)
  • The relationship between the characteristics of nanocellulose, treated by different processes, and their performance as battery components were investigated using electrochemical and in-operando measurements. (kth.se)
  • The selection of process configuration can also impact the amount of energy produced from digestion of the sludge to biogas. (ivl.se)
  • The method can be used for automated detection of chemical/post- translational modifications, quality control of experiments and labelling approaches, and to control the modification settings of protein identification tools. (lu.se)
  • Train A was operated with co-precipitation in order to achieve high removal of total P (TP). (iwaponline.com)
  • Method plumbous in the present domestic removal water body, cadmium has chemical precipitation method, absorption method, ion-exchange, liquid-film method and electroosmose process etc. (google.com)
  • This significantly improved the drying efficiency and can be considered an eco-friendly process without using hazardous chemicals. (kth.se)
  • Synthetic iron oxide pigments are manufactured mainly through different chemical processes, such as precipitation, calcination, laux, and penniman. (emailwire.com)
  • The term background can also refer to chemicals, such as heavy metals. (cdc.gov)
  • We also offer ready-to-cast slurries and ready-to-use electrode sheets for our customers who want to skip the time and labor of cathode processing and expedite their research. (sigmaaldrich.com)
  • Precipitation occurs more rapidly from a strongly supersaturated solution. (wikipedia.org)
  • This chain reaction process repeats itself over and over until an explosion occurs. (cdc.gov)
  • This endpoint is covered by the category approach for soluble iron salts (please see the section on physical and chemical properties for the category justification/report format). (europa.eu)
  • This requires accurate predictions and thus a thorough knowledge of the physical and chemical properties of the fluids throughout the geothermal loop. (gfz-potsdam.de)
  • These factors include the physical form of the chemical, the dose (how much), the duration (how long), and how you come in contact with them. (cdc.gov)