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study on optimal conditions of high purity poly ferric chloride factories

  • study on optimal conditions of high purity poly ferric ...

    High-poly-aluminum chloride sulfate coagulants and . Aims: In this study, the effect of arsenite and arsenate removal in synthetic water by coagulation using ferric chloride (FeCl 3) as coagulant and chitosan as coagulant aid were investigated. b>Materials and Methods: A conventional jar test apparatus was used to evaluate the coagulation process.

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  • Comparison of poly ferric chloride and poly titanium ...

    2021-1-28 · According to the results of the study, the optimal coagulant PTC and PFC dosage was 600 and 800 mg/L, respectively. Therefore, the costs of the coagulation-flocculation process for treatment of 1 m 3 of paper and cardboard wastewater using PTC and PFC were estimated to …

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  • Synthesis, purification and characterization of ...

    2015-5-26 · Considering the purity and yield of extracted (Al + Fe) b species in PAFC samples, the optimal separation conditions were as follows: organic solvents mixing ratio = 2:1:7 and the middle organic solvents dosage V 2 = 100 mL (V 1 = V 3 = 50 mL).

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  • Efficiency Comparison of PolyDADMAC Coagulant

    2017-11-1 · The aim of this study was to evaluate and compare of PolyDADMAC with ferric chloride as a coagulant on the removal of turbidity, Coliform and Organic matter from Ahvaz drinking water. Materials and Methods: This study was carried out in a lab scale and using a …

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  • Preparation and coagulation efficiency of

    2011-7-1 · The PAFSiC with a γ value of 2.0 and (Al+Fe)/Si ratio of 5 (PAFSiC 2.0/5) showed excellent coagulation effect for both turbidity and COD, while PAFSiC 1.0/5 was the best for TP. The optimum coagulation pH range of PAFSiC 2.0/5 was 5.0–9.0, slightly wider than that of PAC (6.0–8.0).

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  • Synthesis and evaluation of cationic flocculant P(DAC ...

    Results showed that the optimal conditions for the flocculation of coal chemical wastewater using P(DAC-MAPTAC-AM) alone are as follows: dosage of 8-12 mg/L, G value of 100-250 s -1, and pH value of 4-8. The optimal dosage of PAFC is 90-150 mg/L with a pH of 2-12.

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  • Simultaneous presence of poly titanium chloride and

    2020-8-1 · As In the optimal coagulant dosage, As(V) removal efficiency by PTC coagulant was 93.46 % and in simultaneous presence of coagulant-nanocomposite (PTC + Fe 2 O 3-Mn 2 O 3), As(V) removal efficiency increased to 99.96 % in optimal conditions and the amount of residual As(V) (Fig. 4b) was less than 0.1 μg/L. which was below As limits for drinking water in accordance with the WHO guideline (10 μg/L) . However, in the absence of nanocomposite, the residual As(V) in optimal conditions …

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  • Study of Esterification Waste water Treatment by

    2018-12-12 · (CPAM) and anionic poly acryl amide (APAM)) were tested to obtain the effect of coagulant aid concentration on the treatment performance by single factor experiment method. Finally, the optimal flocculation conditions were expected to obtain through the comparison and analysis of experimental results. Materials and Method Materials PFS (≥99%), PAC (≥99%), and PAFC (≥99% purity, ion

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  • The removal of COD, TSS and colour of black liquor by ...

    2017-5-1 · The optimum colour reduction is found to be 38%, 46%, 52%, 52% and 37% for Alum, Ferric Chloride, Aluminium Chloride, PAC and Ferrous Sulphate, respectively as shown in Fig. 4. Ferric chloride was found to be much better in COD as well as TSS reduction but good in …

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  • Study on the treatment of copper-electroplating

    2003-4-1 · Fig. 1 shows that the Cu removal rate rises with the rise of the amount of DDTC. When the amount of DDTC is 110 mg l −1, Cu removal rate reaches over 99.60% and the copper content in upper clean water is 0.08 mg l −1.. Fig. 2 shows that the amount of DDTC has no influence on the settling velocity. Fig. 3, Fig. 4 show that the amount of poly-ferric sulphate has no influence on the Cu ...

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  • study on optimal conditions of high purity poly ferric ...

    Global Poly Ferric Chloride (PFC) Market Research . To analyze and study the global Poly Ferric Chloride (PFC) capacity, production, value, consumption, status (2013-2017) and forecast (2018-2025); Focuses on the key Poly Ferric Chloride (PFC) manufacturers, to study the capacity, production, value, market share and development plans in future.

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  • 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 …

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  • Modified coagulation processes using polyferric

    2021-4-7 · In a study, optimal doses for ferric chloride, alum, and polyaluminum chloride (PAC) were reported 400, 300, and 200 mg/L, respectively, at optimum pH 7, and initial dye concentration of 25 mg/L with removal efficiencies of 81, 92, and 91%, respectively, for RB19 dye (Assadi et al. 2013). It indicates the superiority of PFC and PTC over ferric ...

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  • A Study on the Optimal Base Station Placement for ...

    2019-10-17 · As the smart factories become more and more connected, the wireless connectivity of the production and material handling machines and systems become increasingly common in many factory floors. It is hence important to question the impacts of Industrial Wireless Sensor Networks in the performance of smart factories, and in particular their end-to-end reliability. One of the most …

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

    2019-2-18 · coagulants, such as aluminum sulfate, poly (ferric chloride) and poly (aluminum chloride) [7], which have been used in high-turbidity water purification. However, the application of inorganic coagulants in high-turbidity water treatment is restricted by the excessive amount needed, the uneconomical cost, and residual chemicals [8].

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  • Study of the coagulation process in wastewater

    The optimal conditions were as follows: Coagulant dosage of 871 mg/L, flocculent dosage of 22.3 mg/L and pH 8.35. The study of dairy effluents treatment by EC was carried out using aluminum electrodes. The analysis of the filtrates showed that the COD was reduced to 61% while the removal of phosphorus, nitrogen contents and turbidity were 89 ...

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  • Simultaneous presence of poly titanium chloride and

    2020-8-1 · High rate Arsenic (As (V)) removal from contaminated water resources was investigated by simultaneous presence of poly titanium chloride (PTC) and Fe 2 O 3-Mn 2 O 3 nanocomposite in the enhanced coagulation process along with precipitated flocs recirculation. In this study, the synthesis of Fe 2 O 3-Mn 2 O 3 and PTC and their characteristics, the effective parameters in the enhanced ...

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  • Enhanced coagulation process by Fe-Mn bimetal nano

    2019-1-20 · This study investigated the efficient removal of As(V) from contaminated water using enhanced coagulation by Fe-Mn bimetal nano-oxides in combination with poly-ferric chloride (PFC) and poly-aluminum chloride (PAC). The effects of coagulant dose, initial pH, initial As(V) concentration, Fe-Mn nano-oxide dose and flocs properties were investigated.

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  • 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 ...

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  • Hybrid coagulation/ozonation treatment of

    2016-3-15 · In recent years, concerns about the occurrence and fate of active pharmaceutical ingredients, solvents, intermediates and raw materials that could be present in pharmaceutical industry effluents have gained increasing attention. Conventional treatment methods, such as activated sludge, are not sufficient enough to remove active pharmaceutical ingredients completely.

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  • Optimal iron concentrations for growth-associated ...

    2019-4-29 · sulfidophilum was clearly shown in this study, where 1 μM iron was found to be optimal to achieve rapid cell growth and cell biomass accumulation in a shorter period of time compared to the 0 μM iron and excess iron conditions (Fig 1A–1C). Notably, the culture in the absence of iron showed the highest amount of PHB per CDM, which is very ...

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  • Effect of pH on Separation of Solid Content from Paint ...

    The high purity water can be achieved by this type of process and it can reuse in various ... In an invitro study, the effects of three ... of discharge effluent turbidity in an industrial unitare. These coagulants consist of Aluminum sulphate, Ferric chloride II and Poly Aluminum chloride which optimum dosage and pH of each ones are determined

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  • (PDF) Comparative study on the effectiveness of ...

    Comparative study on the effectiveness of hydrophobically modified cationic polyacrylamide groups in the flocculation of kaolin. Khai Ern Lee. Related Papers. Flocculation activity of novel ferric chloride–polyacrylamide (FeCl 3PAM) hybrid polymer. By Khai Ern Lee. Title: A review on application of flocculants in wastewater treatment ...

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  • Study of the coagulation process in wastewater

    The optimal conditions were as follows: Coagulant dosage of 871 mg/L, flocculent dosage of 22.3 mg/L and pH 8.35. The study of dairy effluents treatment by EC was carried out using aluminum electrodes. The analysis of the filtrates showed that the COD was reduced to 61% while the removal of phosphorus, nitrogen contents and turbidity were 89 ...

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  • Optimization and economic evaluation of modified ...

    2018-10-17 · Chemicals. Poly-aluminum chloride (Al 2 (OH) n Cl 6−n.YH 2 O, Al 2 O 3 = 30%wt, basicity = 65% and pH = 3) was used as a coagulant and anionic (A 300), cationic (C 270) and nonionic polymers, as the coagulant aids were provided from AquaTech Company, Switzerland.. Preparation of solution. In order to prepare a 10 percent clear solution for coagulant, 10 g of PAC was dissolved to 100 mL of ...

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  • Efficient fermentative production of polymer-grade d ...

    2016-1-12 · Results. In this study, we developed a process for high-optical-purity d-lactate production using an engineered alkaliphilic Bacillus strain. First, the native l-lactate dehydrogenase gene (ldh) was knocked out, and the d-lactate dehydrogenase gene from Lactobacillus delbrueckii was introduced to construct a d-lactate producer.The key gene responsible for exopolysaccharide biosynthesis (epsD ...

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  • 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
  • The Impact of Zeta Potential on the Physical

    2006-5-3 · The physical properties of natural organic matter (NOM) flocs, such as size, growth rate, and strength, were investigated using a laser diffraction particle sizing device. Conditions were set such that varying carbon coagulant ratio and zeta potential could both be investigated. Results demonstrated a link between zeta potential and coagulation and flocculation performance, with the production ...

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  • Journal of Immuno Virology | Open Access Journals

    Research Article. Study of Esterification Waste water Treatment by Different Flocculants Yan bin Yun 1 *, Zhen bang Li 1, Chen Guo , Juan hong Wei 1, Jing jing Li 1, Zhong qiang Cao 2. 1 School of Environmental Science and Engineering, Beijing Forestry University, China. 2 Beijing Huateng High technic Corporation, Beijing, China. Submission: May 08, 2016; Published: October 12, 2016

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  • Studies on Culture and Osteogenic Induction of

    2012-9-1 · 2.2. Preparation of experimental culture and osteogenic medium. The conventional culture medium used in the following experiments was L-DMEM (Gibco BRL, Cargo number 11885084), which is composed of various amino acids, vitamins, inorganic salts (including 3.7 g/L sodium bicarbonate), glucose, pyruvic acid, and so on, as can be seen in Table 1.The conventional culture medium was …

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  • study on optimal conditions of high purity poly ferric ...

    Global Poly Ferric Chloride (PFC) Market Research . To analyze and study the global Poly Ferric Chloride (PFC) capacity, production, value, consumption, status (2013-2017) and forecast (2018-2025); Focuses on the key Poly Ferric Chloride (PFC) manufacturers, to study the capacity, production, value, market share and development plans in future.

    Get Price
  • Effect of pH on Separation of Solid Content from Paint ...

    The high purity water can be achieved by this type of process and it can reuse in various ... In an invitro study, the effects of three ... of discharge effluent turbidity in an industrial unitare. These coagulants consist of Aluminum sulphate, Ferric chloride II and Poly Aluminum chloride which optimum dosage and pH of each ones are determined

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  • Membrane Processes

    2004-10-14 · dosage of > 20 mg/L for ferric chloride, > 60 mg/L for alum and < 18 mg/L for poly-aluminum chloride for effective pretreatment. Their results demonstrated reduced membrane fouling for both under-dose and optimal dosages of coagulants. Incorporating a sedimentation unit as a part of pretreatment was found to improve the membrane performance.

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  • (PDF) Comparative study on the effectiveness of ...

    Comparative study on the effectiveness of hydrophobically modified cationic polyacrylamide groups in the flocculation of kaolin. Khai Ern Lee. Related Papers. Flocculation activity of novel ferric chloride–polyacrylamide (FeCl 3PAM) hybrid polymer. By Khai Ern Lee. Title: A review on application of flocculants in wastewater treatment ...

    Get Price
  • Aluminum Chlorohydrate: | WaterWorld

    1999-3-1 · Aluminum Chlorohydrate: As water treatment plants strive to meet stricter standards, many are turning to aluminum chlorohydrate (ACH) to improve finished water quality, control costs and enhance efficiency. This specialized coagulant also can help reduce chemical solids and alkali usage while helping plant operations. Mar 1st, 1999.

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  • 1. Chemical Grade Definitions from Highest to Lowest

    2011-12-19 · Lowest Purity. 1. A.C.S. A chemical grade of highest purity and meets or exceeds purity standards set by American Chemical Society (ACS). 2. Reagent High purity generally equal to A.C.S. grade and suitable for use in many laboratory and analytical applications. 3. U.S.P. A chemical grade of sufficient purity to meet or exceed requirements of ...

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  • Journal of The Electrochemical Society, Volume 146,

    Superimposed on the uncatalyzed reaction, a first order copper‐ion catalyzed decomposition with an activation energy of 84 (±2) kJ/mol has been measured. The iron‐ion catalyzed reaction is a mixture of first and second order. Due to the insolubility of Fe (III) it aggregates to large clusters or colloid particles.

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  • Frontiers | Poly(3-hydroxypropionate): Biosynthesis ...

    2021-3-4 · Many single-use non-degradable plastics are a threat to life today, and several polyhydroxyalkanoates (PHAs) biopolymers have been developed in the bioplastic industry to place petrochemical-based plastics. One of such is the novel biomaterial poly(3-hydroxypropionate) [poly(3HP)] because of its biocompatibility, biodegradability, and high yield synthesis using engineered strains.

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  • Applied and Environmental Microbiology Journal

    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 ...

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  • Full article: Feasibility and optimization of wastewater ...

    2013-9-26 · Poly ferric sulfate (PFS) is a kind of polymeric coagulants widely used in China in the past 20 years and reveals certain advantages in advanced treatment of wastewater. In this paper, three samples were synthesized by different methods: sodium nitrite catalytic oxidation method (PFS-1), one-step method (PFS-2) and nitric acid oxidation method (PFS-3).

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  • Preparation of poly ferric sulfate and the application

    2016-1-12 · Results. In this study, we developed a process for high-optical-purity d-lactate production using an engineered alkaliphilic Bacillus strain. First, the native l-lactate dehydrogenase gene (ldh) was knocked out, and the d-lactate dehydrogenase gene from Lactobacillus delbrueckii was introduced to construct a d-lactate producer.The key gene responsible for exopolysaccharide biosynthesis (epsD ...

    Get Price
  • Efficient fermentative production of polymer-grade d ...

    Optimal conditions were found to occur at mixing duration and speed of 120s and 250 rpm ... the roles of aluminium and ferric sul fate s as coagulat ion agents for oil ±water emulsions were investigated in terms of oil removal by Al Shamrani et al.[7] . S uzuki & Maruyama [8] tested coagul ation by poly -aluminium chloride whilst adding casein ...

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  • Cronfa - Swansea University Open Access Repository

    2016-1-12 · Thus, as a suitable modifier of biodegradable poly l-lactic acid, high-optical-purity d-lactic acid is attracting increasing attention, both in academia and industry. However, few studies have focused on the microbial production of d -lactic acid [ 6 ], while l -lactic acid production has been well studied [ 7 , …

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  • Efficient fermentative production of polymer-grade d ...

    2012-9-1 · 2.2. Preparation of experimental culture and osteogenic medium. The conventional culture medium used in the following experiments was L-DMEM (Gibco BRL, Cargo number 11885084), which is composed of various amino acids, vitamins, inorganic salts (including 3.7 g/L sodium bicarbonate), glucose, pyruvic acid, and so on, as can be seen in Table 1.The conventional culture medium was …

    Get Price
  • Studies on Culture and Osteogenic Induction of

    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.

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  • Biodesalination: A Case Study for Applications of ...

    2019-7-17 · Lignin was determined using an aliquot (0.9 mL) of extract added into a cuvette with 0.1 mL of neutral ferric chloride (5 g in 100 mL) solution, the absorbance of which was then measured at 690 nm ...

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