Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).

making process of study on optimal conditions of high purity poly ferric chloride in china

  • A highly efficient conditioning process to improve

    2019-4-1 · High levels of extracellular polymeric substances (EPS) and bound water in sludge negatively impact sludge dewaterability. This study applied a novel sludge conditioning process involving calcium hypochlorite (Ca(ClO) 2) oxidation, ferric coagulant re-flocculation, and walnut shell (WS) skeleton construction to remove EPS and bound water and improve sludge dewaterability.

    Get Price
  • Optimal conditions of Al and Fe extraction from

    2021-2-1 · 1. Introduction. Poly ferric sulfate (PFS), the polymerized iron salts, can provide a variety of nucleic hydroxyl high-valence complex ions and hydrolyze to the highly cross-linked hydrophobic multinucleate and multichain-hydroxyl polymers after dissolving in aqueous phase, making it possess the high coagulation efficiency (Jiang et al., 1998; Zouboulis et al., 2008).

    Get Price
  • Mechanistic insights into the effect of poly ferric ...

    2020-11-18 · Ferric chloride (FeCl3) has widespread use as an etchant in the PCB industry and for photochemical machining. Although the corrosion process of copper in …

    Get Price
  • Corrosion inhibition of copper in ferric chloride ...

    After the stripping process, the acidic iron aqueous solution was separated and collected for the subsequent spray pyrolysis to get high-purity Fe 2 O 3 particles. The diagram of the spray pyrolysis machine was shown in Fig. 1 where the temperature of the furnace was set at different temperature to ensure the preferable particle collection. The total inlet pressure from an air compressor was ...

    Get Price
  • Preparation and Characteristics of Polyaluminium

    2021-5-1 · And the optimal conditions for fast pyrolysis of mixed plastics to produce oil were the pyrolysis temperature of 500 °C, carrier gas flow rate of 40 ml/min and particle size of 0.1–0.15 mm with the maximum oil yield of 67.88 wt%. Hydrothermal pretreatment of mixed plastics has shown an excellent dechlorination efficiency of 99.9 %.

    Get Price
  • Acid recovering and iron recycling from pickling waste ...

    2018-6-29 · A new purification method for molybdenum disulfide via NaNO3–HCl–HNO3 synergistic leaching at 80 °C was developed. The effects of the concentration of NaNO3, HCl, and HNO3, and liquid–solid ratio and the leaching time on the purification of molybdenum disulfide were investigated by orthogonal array design methodology. The results of Taguchi method utilizing L25 (55) orthogonal …

    Get Price
  • Low chlorine oil production through fast pyrolysis of ...

    2020-4-13 · Levulinic acid (LA, molecular formula, C 5 H 8 O 3; molecular weight, 116.12), also known as ketosonic acid or 4-oxopentanoic acid, is a keto acid consisting of a ketone carbonyl group and an acidic carboxyl group (Baylan and Çehreli 2018).It contains carbonyl, α-hydrogen, and carboxyl groups, which can have carboxylic acids and ketones reactions (Zhang et al. 2013).

    Get Price
  • Application of Taguchi method for optimization of

    2021-3-20 · The sintering process is a unique alumina refining process in China, used mainly to refine alumina from low-grade bauxite. Since the 1990s, the improved Bayer process has also been successfully applied to bauxite. The energy waste of the Bayer and combined processes are far lower than that of the sintering process (Wang et al., 2019). Therefore ...

    Get Price
  • Corrosion inhibition of copper in ferric chloride ...

    2020-11-18 · Ferric chloride (FeCl3) has widespread use as an etchant in the PCB industry and for photochemical machining. Although the corrosion process of copper in …

    Get Price
  • A comparative study of the efficiency of chemical ...

    2020-4-1 · Chemical coagulation using alum and ferric chloride reduced TDS in pharmaceutical effluent by 14.05% and 26.3% respectively. • Electrocoagulation with Fe- Al electrode assembly reduced TDS and COD by 91.5% and 92.3%, making it more efficient than chemical coagulation.

    Get Price
  • Optimization and Purification of Levulinic Acid

    2020-4-13 · Levulinic acid (LA, molecular formula, C 5 H 8 O 3; molecular weight, 116.12), also known as ketosonic acid or 4-oxopentanoic acid, is a keto acid consisting of a ketone carbonyl group and an acidic carboxyl group (Baylan and Çehreli 2018).It contains carbonyl, α-hydrogen, and carboxyl groups, which can have carboxylic acids and ketones reactions (Zhang et al. 2013).

    Get Price
  • Flocculation of a High-Turbidity Kaolin Suspension Using ...

    2019-2-18 · environmental protection, and less heat produced in the reaction process [21]. The prepared polymer products have good stability, high purity, and short dissolution time. In this present study, a flocculant PAMD was synthesized by AM, DMD and DPL under low-pressure UV initiation for flocculation of high-turbidity water.

    Get Price
  • Comprehensive reutilization of iron in iron ore tailings ...

    2020-6-23 · A large number of iron ore tailings (IOTs) are produced in steel industry, posing threat to the environment during its storage and disposal. To effectively reutilize Fe in IOTs, we propose a comprehensive utilization scheme: (1) most Fe in IOTs is extracted by concentrated hydrochloric acid to form FeCl3 flocculants; (2) after separation from the FeCl3 flocculants, a small amount of Fe is ...

    Get Price
  • Simultaneously Recovering High-Purity Chromium

    2016-1-6 · Chromium pollution is a serious issue because of carcinogenic toxicities of the pollutants and low recovery rate of chromium because of the presence of organic, such as protein and fat. In this work, high recovery rate and high purity of the chromium ion were successfully prepared by the way of acid enzyme, flocculant, and Fenton oxidation. The experiments were characterized by TG, TOC, UV-VIS ...

    Get Price
  • A Study on Ceramsite Production Using Dredging Sea

    Dredging sea mud produced during the coastal infrastructure construction has been gradually becoming an environmental problem in China. Making ceramsite is an attractive way to convert the waste sea mud to resources used for many industrial sectors. However, the imapct of preheating and sintering conditions on the ceramsite properties and the biofilm formation capacity of the ceramsite are ...

    Get Price
  • Response surface methodological (RSM) approach for ...

    2019-12-4 · Response surface methodology (RSM) approach was used for optimization of the process parameters and identifying the optimal conditions for the removal of …

    Get Price
  • Study on Preparation of Water-Soluble Chitosan with ...

    2019-3-20 · The preparation of water-soluble chitosan (WSC) with various molecular weights by gamma Co-60 irradiation of chitosan solution (5%) in the presence of hydrogen peroxide (1%) combined with acetylated reaction was carried out. The average molecular weight ( M w ) of chitosan was measured by gel permeation chromatography (GPC).

    Get Price
  • Study on the Electro-Osmosis Characteristics of Soft

    2020-9-15 · Chemical electro-osmosis with an injected saline solution can be described as an efficient method for adjusting the soil microstructure and improving soil conductivity, and the effect of electro-osmotic consolidation on soft foundations can also be improved by this novel technology in regard to foundation treatment. To better study the electro-osmotic characteristics of soft clay from Taizhou ...

    Get Price
  • Study of Esterification Waste water Treatment by

    2018-12-12 · In this study, the Esterification wastewater was treated by three kinds of flocculants (poly aluminum chloride (PAC), polymeric ferric sulfate (PFS), poly aluminum ferric chloride (PAFC)), the influences of flocculent concentration, temperature and pH on …

    Get Price
  • Preparation of FeS 2 /TiO 2 nanocomposite films and

    2021-4-5 · Figure 6 shows the XPS spectra of FeS 2 /TiO 2 nanocomposite film prepared under hydrothermal reaction time of 12 h, ferric chloride concentration of 0.15 mmol/L and …

    Get Price
  • Study on the effect of chitosan conditioning on sludge ...

    2019-2-1 · Activated sludge process is one of the main widely used methods in domestic sewage and industrial waste water treatment currently. A large amount of residual sludge is produced during domestic sewage treatment with the activated sludge process (Tang & Zhang 2014).The residual sludge contains a lot of nutrients, such as nitrogen, phosphorus, and organic matter, and at the same time contains a ...

    Get Price
  • A study on the mechanism of oxidized quinoline

    2020-3-27 · In this study, a novel PS-based system is proposed in order to remove Qu with high reaction rate and high removal rate by simultaneously adding ferrous ions and ZVI as activators of sulfate radical oxidation. To our knowledge, few information is available on the research of synergistic effects of ferrous ions and ZVI in the PS-based system.

    Get Price
  • Selective Recovery of Phosphorus from Synthetic

    2021-3-12 · Extraction of high-purity phosphate (P) from source-separated urine has attracted growing interest, given its potential economic and environmental benefits. In this study, we present an innovative strategy for selectively separating P from synthetic urine containing a high concentration of Cl–, simply by adjusting the charging and discharging processes of a flow-electrode capacitive ...

    Get Price
  • Progresses in Synthesis of Polycarboxylate

    2020-7-3 · The prerequisite to synthesize PCE was to prepare new macromonomers with controlled molecular mass, adjustable hydrophilic-lipophilic groups, long-chain alkyl groups, and large terminal hydroxyl groups as well. Structural modifications in the molecular scale of polycarboxylate superplasticizer (PCE) would lead to changes in properties of dispersion and water retention as well …

    Get Price
  • The Contact Process for the manufacture of sulphuric

    2021-7-6 · This page describes the Contact Process for the manufacture of sulphuric acid, and then goes on to explain the reasons for the conditions used in the process. It looks at the effect of proportions, temperature, pressure and catalyst on the composition of the equilibrium mixture, the rate of the reaction and the economics of the process.

    Get Price
  • The Haber Process for the manufacture of ammonia

    2020-11-1 · Diverse processes—e.g., environmental pollution, groundwater remediation, oil recovery, filtration, and drug delivery—involve the transport of colloidal particles in porous media. Using confocal microscopy, we directly visualize this process in situ and thereby identify the fundamental mechanisms by which particles are distributed throughout a medium. At high injection pressures ...

    Get Price
  • Multiscale dynamics of colloidal deposition and

    2018-7-16 · A magnetic wire for the intravascular recovery of labelled circulating tumour cells improves cell capture in anaesthetized pigs by up to two orders of …

    Get Price
  • Study of Esterification Waste water Treatment by

    2018-12-12 · In this study, the Esterification wastewater was treated by three kinds of flocculants (poly aluminum chloride (PAC), polymeric ferric sulfate (PFS), poly aluminum ferric chloride (PAFC)), the influences of flocculent concentration, temperature and pH on …

    Get Price
  • Optimization and economic evaluation of modified ...

    2018-10-17 · Enhanced treatment of ceramic-tile industry wastewater was investigated by modified coagulation–flocculation process using combination of poly-aluminum chloride (PAC) with anionic (A300), cationic polymer (C270) and nonionic polymers. The effects of pH, PAC coagulant dose alone and with polymers dose in various combinations was studied by jar tests.

    Get Price
  • china factory wholesale high quality high-purity ...

    China High Quality of Polyaluminium Chloride/PAC. Poly aluminium chloride (PAC) is a new type high efficiency inorganic polymer coagulant, adopting advanced manufacturing technique and quality raw material, show the features of low impurity, high molecula weight, and superior coagulating effect.

    Get Price
  • ferric chloride hexahydrate 10025-77-1 Purity 38-60%

    2014-1-20 · ferric chloride hexahydrate,USD,250/Metric Ton,cas No:10025-77-1,Formula:CL3FE,purity:38-60%- Huizhou 3R Environmental Chemical Co., Ltd.

    Get Price
  • Selective Recovery of Phosphorus from Synthetic

    2021-3-12 · Extraction of high-purity phosphate (P) from source-separated urine has attracted growing interest, given its potential economic and environmental benefits. In this study, we present an innovative strategy for selectively separating P from synthetic urine containing a high concentration of Cl–, simply by adjusting the charging and discharging processes of a flow-electrode capacitive ...

    Get Price
  • China high quality ferric chloride 40%CAS No.: 7705

    China high quality ferric chloride 40%CAS No.: 7705-08-0, US 300 - 600 Metric Ton, CHLORIDE, FERRIC CHLORIDE, 7705-08-0.Source from Zouping Changshan Town …

    Get Price
  • Co-production of polyhydroxybutyrate (PHB) and

    2021-5-21 · To explore a competitive PHB-producing fermentation process, this study evaluated the potential for Methylobacterium sp. XJLW to produce simultaneously PHB and coenzyme Q10 (CoQ10) using methanol as sole carbon and energy source. The metabolic pathways of PHB and CoQ10 biosynthesis in Methylobacterium sp. XJLW were first mined based on the genomic and comparative …

    Get Price
  • Resource Recycling of Mn-Rich Sludge: Effective

    2021-3-16 · Groundwater treatment sludge is a Fe/Mn-rich waste generated in mass production in a groundwater treatment plant for potable water production. The conventional disposal of sludge, such as direct discharge into river/lake, sea, and landfill, is not environmentally sustainable. Herein, a novel method was proposed to effectively separate Fe/Al and recover Mn via a combined hydrochloric acid ...

    Get Price
  • Microalgae Chlorella vulgaris biomass harvesting by ...

    2018-6-28 · The objectives of this study were: (1) to evaluate chitosan flocculation performance in the harvesting of C. vulgaris biomass and determine its optimal dose, (2) to disclose the sedimentation properties of C. vulgaris biomass flocculated by chitosan, (3) to reveal the recyclability of the spent medium from flocculation to regrow microalgae and ...

    Get Price
  • Membrane processes - Arabi - 2020 - Water

    Pretreatment. Myat et al. conducted a testing study to evaluate the pretreatment of oxidation and coagulation on ceramic microfiltration (CMF) and subsequently reverse osmosis (RO) in an advanced treatment train for water reuse.The use of coagulation with either ozone (O 3) or ultraviolet hydrogen peroxide (UV/H 2 O 2) and coagulation with poly aluminum chloride helped to sustain a high flux ...

    Get Price
  • (PDF) Modern Extraction and Purification Techniques

    Citrus contains a range of highly beneficial bioactive compounds, such as polyphenols, carotenoids, and vitamins that show antimicrobial and antioxidant properties and help in building the body's immune system. On consumption or processing,

    Get Price
  • Ferric sulfate | Fe2(SO4)3 - PubChem

    The traditional electrowinning process is not suitable for the production of high-purity manganese. Therefore, a novel ion exchange - electrorefining process for production of high-purity manganese is proposed to solve the problems. The ammonium chloride – manganese chloride electrolyte was selected as the most promising for refining.

    Get Price
  • David Dreisinger - UBC Professor - Faculty Member ...

    2012-3-18 · alkali so that the surfactant/soap mixture would be optimal at reservoir conditions. With polymer added for mobility control, the process would be an alkaline-surfactant-polymer (ASP) flood. The use of alkali also reduces adsorption of anionic surfactants on sandstones because the high pH reverses the charge of the posi-

    Get Price
  • Favorable Attributes of Alkaline-Surfactant-Polymer

    E. Quaranta, D. Sgherza and G. Tartaro, Depolymerization of poly (bisphenolA carbonate) under mild conditions by solvent-free alcoholysis catalyzed by 1,8-diazabicyclo[5.4.0]undec-7-ene as a recyclable organocatalyst: a route to chemical recycling of waste polycarbonate, Green Chem., 2017, 10.1039/C7GC02063E 19, 5422 —5434 RSC.

    Get Price
  • Degradation of polycarbonate to produce bisphenol A ...

    2018-4-17 · Natural medicines were the only option for the prevention and treatment of human diseases for thousands of years. Natural products are important sources for drug development. The amounts of bioactive natural products in natural medicines are always fairly low. Today, it is very crucial to develop effective and selective methods for the extraction and isolation of those bioactive natural products.

    Get Price
  • Techniques for extraction and isolation of natural ...

    2020-8-6 · Jabbar Gardy et al. 47 in their study of SO 2 /Fe–Al–TiO 2 catalyst developed from ammonium hydroxide (28–30%, NH 4 OH) and ferric chloride hexahydrate (≥ 98%, FeCl 3 ·6H 2 O) as ...

    Get Price
  • Nano-synthesis of solid acid catalysts from waste-iron ...

    Under optimal conditions, the process obtained 51.64% AMT removal and 37.82% TOC removal, and the reaction followed the pseudo-first-order kinetic. The maximum mineralization efficiency was 9.81%. Ganiyu et al. studied the paracetamol (PCM) degradation mechanism using Ti 4 O 7 ceramic anode during the EAOPs.

    Get Price
  • Physico‐chemical processes - Yu - 2020 - Water

    2019-6-15 · Instead, the process should be carried out under normal temperature conditions. Figure 2(b) shows the effect of CMC and PVA addition on the lost ratio and P removal rate of the GASA. As shown in Figure 2(b) , the lost ratio of the granular adsorbent decreased with the increase in the amounts of CMC and PVA at room temperature and remained ...

    Get Price
  • Study on the preparation of granular alum sludge

    Recently, magnetic nanomaterials have emerged as multifunctional materials for a wide range of biomedical applications. Functional magnetic iron oxide nanoparticles (FMIONs) are typical magnetic nanomaterials with inherent advantages for disease diagnosis, prevention, and treatment: high specific surface area, excellent superparamagnetism, good colloidal stability, and remarkable biosafety.

    Get Price
  • Publications - Australian Centre for Research on ...

    2021-6-15 · B Buszewski, J Walczak, M Skoczylas, PR Haddad. High performance liquid chromatography as a molecular probe in quantitative structure-retention relationships studies of selected lipid classes on polar-embedded stationary phases. Journal of Chromatography A 1585 (2019) 105-112.

    Get Price
  • IOP Conference Series: Materials Science and

    The 2019 2nd International Conference on Manufacturing Technology, Materials and Chemical Engineering (MTMCE 2019), as an international forum aiming at presenting and exchanging technological advances and research results in the broad fields of Manufacturing Technology, Materials and Chemical Engineering, was held at the Kailaixi Hotel (Hubei ...

    Get Price
  • Optimization Extraction Process of Aroma

    2012-8-19 · The results showed that the optimal extraction conditions were as follows: 1:12 ratio of material to solvent, 3.20 h distillation time, 1:1 ratio of NaCl and tobacco, 2:1 ratio of CH2Cl2 and tobacco, 60°C water-bath temperature. Under the optimized conditions, the maximum extraction amount of aroma components reached 2.27 mg/g.

    Get Price
  • Frontiers | Identification and Immobilization of an ...

    2018-5-15 · The aim of this study was to find the best conditions to radiolabel VH-13 with technetium-99m to avoid the potential formation of aggregates during the radiolabeling process. Methods: VH-13 contains a poly-His tag in C-terminal position that is a specific site suitable for labeling with Tc-99m using the tricarbonyl method.

    Get Price
  • Phosphorus Removal and Recovery from Digestate

    Water quality assessment is necessary for management of water resources. As known environmental processes are very complex . Reflection of this complexity is also seen in water quality models.Therefore finding efficient and sound models in many cases

    Get Price
  • 19th European Symposium on Radiopharmacy and ...

    In this work, photocatalytic activity of graphene oxide (GO), graphene oxide (GO) along with hydrogen peroxide (H2O2) were tested by photodegrading Methylene Blue (MB) in aqueous solution. The resulted GO nanoparticles were characterized by X-ray

    Get Price
  • Physico‐chemical processes - Ouyang - 2019 - Water ...

    Homogeneous, heterogeneous and enzymatic catalysis for transesterification of high free fatty acid oil (waste cooking oil) to biodiesel: A review. By Keat-Teong Lee. Recent trends of biodiesel production from animal fat wastes and associated production techniques. By Ameer Suhel.

    Get Price
  • Water, Hydration and Health

    Water losses via skin (both insensible perspiration and sweating) can range from 0.3 L/h in sedentary conditions to 2.0 L/h in high activity in the heat and intake requirements range from 2.5 to just over 3 L/d in adults under normal conditions, and can reach 6 L/d with high extremes of heat and activity. 27, 28 Evaporation of sweat from the ...

    Get Price
  • Tools of Cell Biology - The Cell - NCBI Bookshelf

    2021-7-8 · As in all experimental sciences, research in cell biology depends on the laboratory methods that can be used to study cell structure and function. Many important advances in understanding cells have directly followed the development of new methods that have opened novel avenues of investigation. An appreciation of the experimental tools available to the cell biologist is thus critical to ...

    Get Price
  • Synthesis and highly effective purification of silver ...

    2020-8-19 · INTRODUCTION. The recent growth in the knowledge of free radicals and reactive oxygen species (ROS) in biology is producing a medical revolution that promises a new age of health and disease management.[] It is ironic that oxygen, an element indispensable for life,[] under certain situations has deleterious effects on the human body.[] Most of the potentially harmful effects of oxygen are due ...

    Get Price
  • Free radicals, antioxidants and functional foods:

    1997-10-17 · This proposed process is designed to produce 1,016 metric tons/day of ammonia at a feed of 5,500 kmol/hr while maintaining the best compromise between production and purity. Simulated in ASPEN with an adiabatic Gibbs reactor, optimal production is achieved at 100 bar reactor pressure and a 7.25% purge stream, resulting in 98.96% product stream ...

    Get Price
  • Reactor Project: Ammonia Synthesis

    2019-4-1 · This vessel was put on a magnetic stirrer at 350 rpm for 5 min. Thereafter, 56 g of NaOH was removed with a pipette and injected slowly into the NaOH vessel. After mixing at 450 rpm for 12 min, 3.71 g ferric chloride (40%) (7.31 g pickling liquid instead of ferric chloride for SF-W) was slowly injected to the bottom of the reactor mixture.

    Get Price
  • Application of sodium ferrate produced from

    2016-8-26 · Oilfield produced water has become a hot research topic within the area of environmental engineering and applications in wastewater treatment due to its vast yield and potential hazards (Lu et al. 2009).To enhance oil recovery, alkali, polymers, surfactants and some other chemicals are increasingly widely used through injection into oil reservoirs, especially heavy oil reservoirs (Chang et al ...

    Get Price
  • Treatment of oilfield produced water with ...

    2021-2-10 · Effects of pH. Yogurt, pickles, sauerkraut, and lime-seasoned dishes all owe their tangy taste to a high acid content (Figure (PageIndex{1})). Recall that acidity is a function of the concentration of hydrogen ions [H +] and is measured as pH.Environments with pH values below 7.0 are considered acidic, whereas those with pH values above 7.0 are considered basic.

    Get Price
  • 8.3: The Effects of pH and Temperature on Microbial

    2020-6-10 · The optimal conditions were found with dye concentration 0.08 mmol L −1, pH = 8.4 and ferrate dosage 2.5 mg L −1, giving discolouration of 99% after 20 min also; about 42% COD removal and 9% TOC removal were observed after 60 min. Also, the degradation pathway was theoretically established by the cleavage of by the C N and N〓N bond ...

    Get Price