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manufacturer of synthesis and coagulation performance of composite poly

  • Synthesis and coagulation performance of composite

    2018-6-16 · Synthesis and coagulation performance of composite poly-aluminum-ferric-silicate-chloride coagulants in water and wastewater A.K. TolkouLaboratory of General and Inorganic Chemical Technology, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece, Tel. +30 2310 [email protected]

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  • Synthesis and coagulation performance of composite

    Synthesis and coagulation performance of composite poly-aluminum-ferric-silicate-chloride coagulants in water and wastewater. AbstractThe aim of this work was to study the combination of an inorganic pre-polymerized coagulant (polyaluminum chloride [PACl]) with ferric species and polysilicic acid in various mixing orders Al/Fe/Si and OH/Al molar ...

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  • Synthesis and coagulation performance of composite po

    2015-9-7 · Synthesis and coagulation performance of composite po ly-aluminum-ferric-silicate-chloride coagulants in water and wastewater treatment and their potentially use to alleviate the membrane fouling in MBRs A.K. Tolkou1, A.I. Zouboulis1, P.E. Samaras2

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  • PSiFAC – POLY-ALUMINUM-FERRIC-SILICATE-CHLORIDE:

    2014-1-28 · coagulation performance data: OH/Al ratio 1.5–2, Al /Si ratio 10–15, whereas co-polymerization should be preferred for the coagulant preparation. Today, there is a prompt need for the development of new PAC-based coagulants such as poly-aluminum-ferric-silicate-chloride (made of aluminum, ferric and silicate) to improve the

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  • High-poly-aluminum chloride sulfate coagulants and

    2020-2-18 · A. K. Tolkou and A. Zouboulis, Synthesis and coagulation performance of composite poly-aluminum-ferric-silicate-chloride coagulants in water and wastewater, Desalin. Water Treat. , 2015, 53 , 3309 —3318 CrossRef CAS .

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  • Preparation and Coagulation Performance of Poly

    Some conditional experiments for the preparation of Poly Silicate Aluminium Ferric Boron (PSAFB) composite flocculant and its coagulation and flocculation for the removal of CODCr were conducted and discussed.Preliminary results show the optimum synthesis condition as follows: Si/Al( mole ratio) =2/1, Si/Fe( mole ratio)=1/1,Si/B( mole ratio)=10/1.

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  • Properties and Coagulation Performance of Coagulant

    The coagulation performance of PPAZF was investigated compared to that of PAZF and polyaluminium chloride (PAC) in treating domestic sewage and pharmaceutical wastewater. The results showed that PPAZF not only had better removal of turbidity and chemical oxygen demand (CODCr) than PZAF and PAC at the optimal dosages of 148 mg·L-1, but also produced large and dense flocs.

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  • Coagulation Performance of Organic Modified Poly ...

    2017-12-20 · Aromatic polyimide (PI) fiber, as one of the important high-performance organic fibers, exhibits several valuable properties, such as good resistance to high temperature and radiation , maintaining good mechanical properties even up to 400-500 °C , , superior chemical resistance, nonflammability and so on. This advantageous combination of technical characteristic brings PI fibers …

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  • Synthesis of poly(benzobisoxazole-co-imide) and ...

    2018-6-22 · A novel inorganic–organic composite flocculant CTS-PFCS was successfully synthesized by the combination of chitosan and homemade PFCS. The potential use of chitosan as an organic additive for modifying inorganic polymers flocculant in the clarification of wastewater was demonstrated. © 2018 Society of Chemical Industry

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  • Coagulation performance and microstructural

    2017-5-2 · A novel magnetic composite coagulant, prepared from nano-Fe3O4 and poly-aluminum chloride, was introduced to pre-treat mature landfill leachate. The coagulation performance of the coagulant as well as its microstructural morphology was discussed. Coagulation experimental results revealed that the coagulation performance of the landfill leachate using the new coagulant was better …

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  • Coagulation Performance of Organic Modified Poly ...

    An organic modified poly-polyacrylamide-Al-Zn-Fe (PPAZF) coagulant was prepared by adding polyacrylamide (PAM) as additives in poly-Al-Zn-Fe (PAZF). The coagulation performance of PPAZF was investigated compared to that of PAZF and polyaluminium chloride (PAC) in treating domestic sewage and pharmaceutical wastewater. The results showed that PPAZF not only had better removal of …

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  • Preparation and Characterization of a Composite

    2016-2-11 · In this study, a novel composite coagulant polyferric titanium sulfate (PFTS) was synthesized and the kaolin-fulvic acid simulated water was employed to verify the coagulation efficiency. To obtain the optimal conditions for preparing the composite coagulant, the parameters affecting the coagulation performance such as Ti/Fe, P/Fe, OH/Fe, and oxidizer dosage were evaluated by single factor ...

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  • Performance of PATC-PDMDAAC Composite

    Coagulation performance results showed that the PATC-PDMDAAC had an organic and inorganic ratio of 0.15 and exhibited excellent removal efficiency at pH 9.0, dosage of 1.80 mg/L, sedimentation time of 40 min, and a stirring speed of 110 r/min. The optimal treatment efficiency reduced the turbidity to 0.56 NTU (Nephelometric Turbidity Unit).

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  • Preparation and Characteristics of Polyaluminium

    Clay-brine process employing activated clay, NaCl, HCl, and HF as raw materials is the primarily advanced technology to synthesize cryolite in the present industrial grade. However, plenty of byproducts of fluorine-containing waste HCl at the concentration of about 10%~12% could not be utilized comprehensively and are even hazardous to the environment.

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  • Preparation and Flocculation Performance of

    2020-6-29 · A composite flocculant (PSAS-CS) consisted of cationic starch (CS) and polyaluminum silicate (PSAS) was prepared and used for the flocculation of simulated water samples. The morphology and structure of PSAS-CS were characterized by X-ray diffraction, scanning electron microscopy, and infrared spectroscopy. The effect of flocculation conditions such as the flocculant dosage and the …

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  • Synthesis and characterization of innovative

    2. Materials and methods 2.1 Materials Poly(lactide-co-glycolide) (PLGA) (D, L-lactide: glycolide = 50: 50) with an average molecular weight of 70–100 KDa and poly-L-ornithine (molecular weight 30–70 KDa) were purchased from Sigma-Aldrich.Fucoidan was purchased from Shandong Jiejing Inc. Doxorubicin hydrochloride and bovine serum albumin (BSA) were obtained from Aladdin Co. Ltd. (China).

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  • Synthesis and flocculation characteristics of a novel ...

    2015-10-5 · The flocculation performance of AP-g-poly(AM-co-NMA) was also better when compared with AP-g-PAM, Magnafloc-1011 and Hydropol-OC for the colour removal in a synthetic dye, malachite green solution. Presence of poly N-methyl acrylamide chains into the graft copolymer enhances the flocculation capabilities than poly acrylamide based graft copolymer.

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  • Preparation and Flocculation Performance of

    2020-6-29 · A composite flocculant (PSAS-CS) consisted of cationic starch (CS) and polyaluminum silicate (PSAS) was prepared and used for the flocculation of simulated water samples. The morphology and structure of PSAS-CS were characterized by X-ray diffraction, scanning electron microscopy, and infrared spectroscopy. The effect of flocculation conditions such as the flocculant dosage and the …

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  • Preparation and Characteristics of Polyaluminium

    Clay-brine process employing activated clay, NaCl, HCl, and HF as raw materials is the primarily advanced technology to synthesize cryolite in the present industrial grade. However, plenty of byproducts of fluorine-containing waste HCl at the concentration of about 10%~12% could not be utilized comprehensively and are even hazardous to the environment.

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  • Synthesis and characterization of innovative

    2. Materials and methods 2.1 Materials Poly(lactide-co-glycolide) (PLGA) (D, L-lactide: glycolide = 50: 50) with an average molecular weight of 70–100 KDa and poly-L-ornithine (molecular weight 30–70 KDa) were purchased from Sigma-Aldrich.Fucoidan was purchased from Shandong Jiejing Inc. Doxorubicin hydrochloride and bovine serum albumin (BSA) were obtained from Aladdin Co. Ltd. (China).

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  • Composite amine mixed matrix membranes for high

    2020-9-9 · Composite amine mixed matrix membranes for high-pressure CO 2-CH 4 separation: synthesis, characterization and performance evaluation Nur Aqilah Bt Fauzan Department of Chemical Engineering, Universiti Teknologi PETRONAS, Seri Iskandar, 32610 Perak, Malaysia

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  • Preparation of Poly(acrylic acid-acrylamide/starch ...

    2021-6-14 · composite was precipitated again by adding the mixture of methanol and water (volume ratio 5:1). After being washed several times with a mixture of distilled water and methanol (1:1 by volume), the composite was then dried in a vacuum oven. 3. Results and Discussion The starch-g-poly (acrylic acid acrylamide) graft copolymer was prepared by ...

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  • Efficient synthesis, characterization, and application of ...

    [17]Y.Fu, S.L. Yu*.Characterization and coagulation performance of solid poly-silicic-ferric (PSF) coagulant. Journal of Non-Crystalline Solids[J], 2007, 353: 2206-2213 (IF:1.9). [18]Lu Yan, Yu Shui Li, Chai Bao Xiang and Shun Xianda .Effect of nano-sized Al2O3-particle addition on PVDF ultrafiltration membrane performance.Journal of Membrane Science[J], 2006, 276(1-2):162-167(IF:5.5).

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  • Preparation and performance evaluation of poly (ether ...

    2020-2-26 · Synthesis, characterization, and degradation test. According to reported methods [34,35,36,37], the synthesis of serial samples via direct melt polycondensation and their structure and performance ...

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  • Performance of PATC-PDMDAAC Composite

    Coagulation performance results showed that the PATC-PDMDAAC had an organic and inorganic ratio of 0.15 and exhibited excellent removal efficiency at pH 9.0, dosage of 1.80 mg/L, sedimentation time of 40 min, and a stirring speed of 110 r/min. The optimal treatment efficiency reduced the turbidity to 0.56 NTU (Nephelometric Turbidity Unit).

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  • Synthesis and characterization of innovative

    (1) Zhonglian Yang, Baoyu Gao*, Weiying Xu, Baichuan Cao, Qinyan Yue, Coagulation performance and residual Al speciation of poly-aluminum-silicate-chloride (PASiC) during surface water treatment: effect of OH-/Al 3+ and Si/Al molar ratio, Third International

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  • Preparation and Characteristics of Polyaluminium

    2. Materials and methods 2.1 Materials Poly(lactide-co-glycolide) (PLGA) (D, L-lactide: glycolide = 50: 50) with an average molecular weight of 70–100 KDa and poly-L-ornithine (molecular weight 30–70 KDa) were purchased from Sigma-Aldrich.Fucoidan was purchased from Shandong Jiejing Inc. Doxorubicin hydrochloride and bovine serum albumin (BSA) were obtained from Aladdin Co. Ltd. (China).

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  • One-pot synthesis of highly hemocompatible

    Clay-brine process employing activated clay, NaCl, HCl, and HF as raw materials is the primarily advanced technology to synthesize cryolite in the present industrial grade. However, plenty of byproducts of fluorine-containing waste HCl at the concentration of about 10%~12% could not be utilized comprehensively and are even hazardous to the environment.

    Get Price
  • Preparation, characterization and coagulation

    Therefore, the synthesis method of PSI is a principal factor to improve the removal performance in turbidity and algae by coagulation-sedimentation. In this study, the quality of water and algae species of algae-containing water with low turbidity from Bao-San WTP in various seaso

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  • Efficient synthesis, characterization, and application of ...

    Polymeric aluminum ferric sulfate (PAFS) was a novel inorganic composite coagulant, prepared by direct oxidation process using aluminum oxide (Al 2 O 3 ) and ferrous sulfate heptahydrate (FeSO 4 ⋅7H 2 O) as typical materials. In order to obtain the optimal removal rate of the turbidity and humic acid, the optimum preparation conditions of PAFS was investigated as follows: SO4 Get Price

  • Synthesis and Characterization of Polyvinyl Chloride ...

    2013-12-24 · The reactions of poly vinyl chloride (PVC) with different aliphatic amines in Tetra Hydro Furan, THF, have been stud- ied. These reactions led to the formation of new polymers (PVC-L) which were characterized by spectroscopic methods (Infra Red, IR and Uv-Visible spectrophotometry). Composite of the new polymers were prepared and their optical ac-

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  • 'Design, Synthesis, Processing, and Thermal Analysis

    Polymer composites containing nanosized fillers have generated explosive interest since the early 1980's. Many recent studies have been conducted incorporating nano-fillers into polymer matrices to design and synthesize materials with tunable mechanical, thermal, and optical properties. Conventional filled polymers, where the reinforcement is on the order of microns, have been replaced by ...

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  • Composites Science and Technology - NECSTLAB

    2019-8-30 · 2.1. Poly(Urethane-urea) synthesis Poly(urethane-urea) (PUU) was synthesized using a blocked-HMDI (Desmodur BL5375, Covestro) as the diisocyanate, DETA (Ethacure 100-LC, Albemarle) as the diamine, PTMO (PolyTHF 650, BASF) as the polyol, and a tin catalyst (DBTL). The use of 0.3wt% DBTL was per the blocked-HMDI manufacturer recommendations

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  • flocculation performance of polyacrylamide

    Flocculation and Color Removal Performances. St-g-PDMA showed better flocculation performance than St-g-PAM in both the coal and bentonite suspensions but the flocculation performance of St-g-PAM was better when compared with St-g-PDMA for the color removal in a synthetic dye, malachite green (basic green 4) solution and also in a textile industrial waste water.

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  • Carbon Nanotube-Based Polymer Composites:

    INTRODUCTION. Poly(vinylidene fluorine) (PVDF) is a semi-crystalline polymer. The main macromolecular straight chain of PVDF is surrounded by fluorine and hydrogen atoms (–CH 2-CF 2 –). Its crystalline structure and spatial arrangement of CH 2 and CF 2 groups along the polymer chain result in excellent mechanical stability (Lui et al., 2011b).The high electronegativity of fluorine atoms ...

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  • Clay nanoparticles effects on performance and

    Prof. ZHANG Yuejun is the vice dean, Prof. and Ph.D. supervisor of the Chemical Engineering school of Nanjing University and Sci. & Tech (NUST). He received his B.Sc., M.Sc. and Ph.D. at the Chemical Engineering Department, Eastern China Institute of Technology (NUST now) in …

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  • Prof. Zhang Yuejun

    [28] Preparation of chitosan/poly(acrylic acid) magnetic composite microspheres and its applications in the removal of copper(II) ions from aqueous solutions; Han Yan, Lingyun Yang, Zhen Yang, Hu Yang*, Aimin Li, Rongshi Cheng, Journal of Hazardous

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  • Carbon Nanotube-Based Polymer Composites:

    2016-2-28 · Mechanically and thermally robust microcapsules containing diglycidyl ether bisphenol A-based epoxy resin and a high-boiling-point organic solvent were synthesized in high yield using in situ polymerization of urea and formaldehyde in an oil-in-water emulsion. Microcapsules were characterized in terms of their size and size distribution, shell surface morphology and thermal resistance to the ...

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  • Robust synthesis of epoxy resin-filled microcapsules

    2021-3-12 · Sulfonated polybenzothiazoles (sPBT) with high molecular weight as well as excellent solubility were synthesized for the first time, which was achieved by attaching the phenylsulfonyl pendant groups or incorporating the hexafluoroisopropylidene moieties to the polymer backbone. Such sulfonated polybenzothiazoles thus could be cast into homogeneous membranes and could be further evaluated …

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  • Sulfonated Polybenzothiazoles: A Novel Candidate for ...

    2018-4-13 · The composite film has a layered structure, and PANI-NFs are sandwiched between CCG layers. Furthermore, it is mech. stable and has a high flexibility; thus, it can be bent into large angles or be shaped into various desired structures. The cond. of the composite film contg. 44% CCG (5.5 × 102 S m-1) is about 10 times that of a PANI-NF film.

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  • Synthesis of Villi-Structured Polyaniline Sheets Using ...

    2020-2-6 · In the present paper, Graphene Oxide (GO) particles were prepared via Hummer method, and used in synthesis of composite membranes. Polyethersulfone (PES) nanocomposite membranes were …

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  • Effect of graphene oxide on modifying

    2013-2-6 · Silica powder at nanoscale was obtained by heat treatment of Vietnamese rice husk following the sol–gel method. The rice husk ash (RHA) is synthesized using rice husk which was thermally treated at optimal condition at 600°C for 4 h. The silica from RHA was extracted using sodium hydroxide solution to produce a sodium silicate solution and then precipitated by adding H2SO4 at pH = 4 in the ...

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  • Synthesis of silica nanoparticles from Vietnamese rice ...

    1996-9-5 · Preparation of poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)/Fe 3 O 4 nanocomposite film and its thermoelectric performance. Journal of Composite …

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  • Preparation and Characterization of Nanocomposite

    2020-11-27 · The composite adsorbent rubidium and cesium base with good adsorption properties of the mixed solution of metal ions, the solution can be applied to the system from the adsorption and separation, rubidium, cesium, etc. removed. Production of non-aggregated

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  • Impact of functional inorganic nanotubes f-INTs-WS 2

    2018-10-30 · Impact of f-INTs-WS 2 on blood coagulation was assessed through cTGT. Non-functionalized and functionalized INTs-WS 2 /f-INTs-WS 2 impact blood coagulation when the intrinsic pathway is triggered (Fig. 4). A procoagulant effect of these nanomaterials is observed with a decrease of lagtime and an increase of peak concentration and ETP (Table 2).

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  • An Intrinsically‐Adhesive Family of Injectable and

    2021-4-8 · Adhesion tests on composite MeCHa reveal tunable adhesion performance by varying the nanofiber concentration. For example, the adhesion strength of NFC-reinforced MeCHa-Gel with 90 w/v% water content is enhanced from 96.5 ± 11.7 kPa to 169.1 ± 18.6 kPa by increasing the nanofiber concentration from 0 to 0.5 w/v%.

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  • Composites Science and Technology - NECSTLAB

    2019-8-30 · 2.1. Poly(Urethane-urea) synthesis Poly(urethane-urea) (PUU) was synthesized using a blocked-HMDI (Desmodur BL5375, Covestro) as the diisocyanate, DETA (Ethacure 100-LC, Albemarle) as the diamine, PTMO (PolyTHF 650, BASF) as the polyol, and a tin catalyst (DBTL). The use of 0.3wt% DBTL was per the blocked-HMDI manufacturer recommendations

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  • ELECTROCHEMICAL AND CHEMICAL METHODS FOR THE

    2016-9-23 · New methods have been developed for the chemical synthesis of PPy based composites, using PMSS, PMSS–SR11 and PMSS–SR31 as anionic dopants for chemical polymerization and dispersants for MWCNT. The composites showed promising performance for application in electrodes of electrochemical supercapacitors.

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  • What is polyethylene resin? - Encore Poly Bags

    [28] Preparation of chitosan/poly(acrylic acid) magnetic composite microspheres and its applications in the removal of copper(II) ions from aqueous solutions; Han Yan, Lingyun Yang, Zhen Yang, Hu Yang*, Aimin Li, Rongshi Cheng, Journal of Hazardous

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  • akronpolysys.com

    2018-12-24 · Chitosan/poly(vinyl alcohol) (PVA) blend composite was prepared through two strategies of chemical modification, namely pre- and post-sulfonation. The sulfonation was carried out by using 4-sulfopthalic acid (sPTA) as the sulfonating agent.

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  • IOP Conference Series: Materials Science and

    1973-3-4 · Synthesis of porous Fe3O4 hollow microspheres/graphene oxide composite for Cr(VI) removal. Dalton Trans. 42, 14710-14717. 68. Shouwei Zhang, Wenqing Xu, Meiyi Zeng, Jiaxing Li, Jinzhang Xu, Xiangke Wang, 2013. Hierarchically grown CdS/α-Fe2O3

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  • Akron Polymer Systems

    One-step hydrothermal synthesis of ZnO hollow nanospheres uniformly grown on graphene for enhanced photocatalytic performance. Ceramics International, 2016, 42: 2074–2078. (IF: 2.986) Weiguang Sun, Jun Nan*, Jia Xing, Jiayu Tian*.

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