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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]
Get PriceSynthesis 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 ...
Get Price2015-9-7 · Synthesis and coagulation performance of composite poly-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
Get Price2014-1-28 · PSiFAC – POLY-ALUMINUM-FERRIC-SILICATE-CHLORIDE: SYNTHESIS AND COAGULATION PERFORMANCE OF A NOVEL COMPOSITE COAGULANT IN WATER AND WASTEWATER TREATMENT A. Tolkou 1, A. Zouboulis 1, P. Samaras 2 1Laboratory of General & Inorganic Chemical Technology, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124, Thessaloniki
Get Price2012-8-21 · Coagulation experiments in low and high turbid model suspensions reveal that the PFS–CP reagents exhibit a superior coagulation performance, as compared to PFS + CP mixture, as well as to PFS and/or CP. The improved coagulation efficiency is due to the various interactive effects that occur within the composition of the composite coagulants.
Get Price2012-12-1 · A novel composite material PFC–DAM–ECH is synthesized for dye wastewater treatment. Lower B value and higher Mr value are beneficial to the dye wastewater treatment. PFC–DAM–ECH exhibits better coagulation effect at weak acid or neutral pH range. Synergic effect of PFC and DAM–ECH improved coagulation property of PFC–DAM–ECH. PFC–DAM–ECH provides higher decolorization …
Get Price2018-6-8 · In this study, a new composite coagulant poly-ferric-aluminum-silicate-sulfate was synthesized using water glass, FeSO 4 ·7H 2 O, Al 2 (SO 4) 3 ·18H 2 O, and NaClO 3, their structures and morphologies were characterized and compared by X-ray diffraction, infrared spectra, and scanning electron microscopy. In addition, to obtain the optimum synthetic conditions resulting in the maximum …
Get PriceBACKGROUND: Coagulation/flocculation is widely used in the treatment of dye wastewater because of the low cost, high efficiency, short process and convenient operation. However, with the increase of pollutants in water and in recent years the higher requirement for environment protection, traditional flocculants have found it difficult to meet the processing requirements.
Get Price2009-2-20 · The performance of IPC can be improved in two ways: first, by increasing the proportion of polymeric species in the original composition; second, by adding extra components to produce new composite coagulant, such as poly-silicic acid (PSA). PSA is mainly composed of silica tetrahedrons which are linked through Si–O–Si bonds.
Get Price2020-7-3 · Abstract: This study presents for the first time the synthesis and characterization of GO (graphene oxide), PFSiC (polyferric silicate chloride), and hybrid GO-PFSiC derivatives, aiming to enhance and the morphology of composite GO-PFSiC coagulants were studied in detail by the application of FTIR, XRD, and SEM characterization techniques.
Get Price2012-8-21 · Coagulation experiments in low and high turbid model suspensions reveal that the PFS–CP reagents exhibit a superior coagulation performance, as compared to PFS + CP mixture, as well as to PFS and/or CP. The improved coagulation efficiency is due to the various interactive effects that occur within the composition of the composite coagulants.
Get Price2015-5-1 · performance Keywords— composite inorganic coagulants, poly-aluminum-ferric-silicate-chloride, wastewater treatment I. Introduction Coagulation-Flocculation is an essential part of several water and wastewater treatment operations, applied usually as advanced pre-, or post-treatment process to flocculate colloidal
Get PriceSome 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.
Get Price2018-6-8 · Composite coagulant has received widespread attention and research for its excellent coagulation performance in recent years. In this study, a new composite coagulant poly-ferric-aluminum-silicate-sulfate was synthesized using water glass, FeSO 4 ·7H 2 O, Al 2 (SO 4) 3 ·18H 2 O, and NaClO 3, their structures and morphologies were characterized and compared by X-ray diffraction, infrared ...
Get PriceAn 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 …
Get PriceAbstract . The main aim of this study was the synthesis and characterization of alternative composite inorganic coagulants, resulted from the incorporation of polysilicates and ferric salts in the structure of commonly applied polyaluminum chloride (PACl) in the coagulation–flocculation (C/F) process, in order to increase its efficiency for water and wastewater treatment.
Get Price2020-1-27 · coagulation efficiency of an aluminum–silicate polymer composite (PASiC) increases with rising basicity, however, the PASiC products tend to become cloudy or partly gelatinous in this case.18 Li et al. showed that the coagulation performance of a poly …
Get Price2017-5-2 · 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 …
Get Price(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
Get Price2020-1-27 · coagulation efficiency of an aluminum–silicate polymer composite (PASiC) increases with rising basicity, however, the PASiC products tend to become cloudy or partly gelatinous in this case.18 Li et al. showed that the coagulation performance of a poly …
Get Price2017-5-2 · 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 …
Get Price2020-2-18 · High-poly-aluminum chloride sulfate (HPACS) coagulants with different [SO 4 2−]/[Al 3+] molar ratio (S) were prepared and proved to have high coagulation efficiency for the removal of humic acid and strong stability for storage and application.The results showed that the higher the SO 4 2− addition, the bigger the aluminum polymerization particles and the more the polymerization Al c ...
Get PriceCoagulation 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).
Get Price2021-3-12 · At 393 K, for a particular [email protected]/PVA composite sheet prepared by coagulation, an excellent EMI SE of ∼27.5 dB is measured. It is also experimentally elucidated that the absorption is the dominating mechanism for EMI SE in the prepared composite sheets.
Get PriceEnzymatic synthesis and self-assembly of glycolipids: robust self-healing and wound closure performance of assembled soft materials† Yadavali Siva Prasad,a Balasubramani Saritha,a Ayyapillai Tamizhanban,a Krishnamoorthy Lalitha,a Sakthivel Kabilan,a C. Uma Maheswari, a Vellaisamy Sridharanb and Subbiah Nagarajan *ac In developing countries, wounds are a major health concern and pose a ...
Get Price2019-5-26 · Measuring stable clusters to understand particle inception will aid the synthesis of well-controlled nanoparticles via gas-phase aerosol routes. Using a Half Mini differential mobility analyzer, the presence of monomers, dimers, trimers, and tetramers was detected for the first time in a flame aerosol reactor during the synthesis of pristine TiO2 and TiO2/SiO2 nanocomposites. Atomic force ...
Get Price2020-2-26 · 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 ...
Get PriceClay-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 Price2017-5-2 · 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 …
Get Price2018-12-29 · 2.5.1 Poly(vinylidene fluoride) (PVDF) as a Membrane 22 2.6 Thin Film Composite Membranes (TFC) 23 2.6.1 Pebax a New Iteration in Membrane Development 23 2.7 Factors to Be Consider in TFC Development 28 2.7.1 Effect of Selective Skin Layer Thickness on Separation Efficiency 28 2.7.2 Effect of Casting Temperature on Membrane Morphology 29
Get Price2020-6-26 · Synthesis of a New Asymmetric Composite Membrane with Bi-Component ... coagulation process generates a huge volume of dangerous sludge and a problem of sludge disposal. To meet the ... The aim of this work is to study the performance of a new asymmetric composite membrane bi …
Get PriceCoagulation 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).
Get Price2016-10-26 · In this study, a novel magnetic polyacrylamide (PAM) coagulant based on the core of magnetite (Fe 3 O 4), with oleic acid serving as modifier and acrylamide as monomer, was synthesized to remove suspended solids in kaolin-suspended water.The composites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermo gravimetric analysis and scanning electron …
Get Price2021-3-12 · At 393 K, for a particular [email protected]/PVA composite sheet prepared by coagulation, an excellent EMI SE of ∼27.5 dB is measured. It is also experimentally elucidated that the absorption is the dominating mechanism for EMI SE in the prepared composite sheets.
Get Price2020-2-26 · 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 ...
Get Price2020-9-9 · 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
Get PriceClay-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 PriceWater contamination by various heavy metal pollutants such as, Lead, Arsenic, Cadmium, and Mercury, have severe toxic effects on living organisms and humans. High concentrations of arsenic in drinking water cause serious damage to the central and peripheral nervous systems, as well as, the dermal, cardiovascular, gastrointestinal, and respiratory systems. Arsenic contamination of ground water ...
Get Price2018-12-29 · 2.5.1 Poly(vinylidene fluoride) (PVDF) as a Membrane 22 2.6 Thin Film Composite Membranes (TFC) 23 2.6.1 Pebax a New Iteration in Membrane Development 23 2.7 Factors to Be Consider in TFC Development 28 2.7.1 Effect of Selective Skin Layer Thickness on Separation Efficiency 28 2.7.2 Effect of Casting Temperature on Membrane Morphology 29
Get Price2013-9-5 · 1 Development of an Organic-Inorganic PVDF/˘anoclay Ultrafiltration Composite Membrane A.C.D. Morihama 1 and J.C. Mierwza 1 1 Escola Politécnica da Universidade de São Paulo, São Paulo, São Paulo, 05508-900, Brazil, [email protected] Abstract Ultrafiltration (UF) and microfiltration (MF) membrane synthesis using
Get Price2015-3-22 · Cationic polymer, hydroxy aluminum, and clay minerals are three flocculants with different action mechanisms and a more cost-efficient multiple flocculant can be prepared by compositing them through appropriate technology. All of attapulgite (ATP), clay minerals containing magnesium, aluminum, and silicate, are porous environmental mineral material with good absorbability and have found wide ...
Get Price1. Introduction Polyaniline (PANI) is one of the most attractive conducting polymers owing to its high electrical conductivity, facile synthesis, and abundant electrochemical properties. 1–5 PANI gels have attracted considerable attention because the gels' three-dimensional (3D) network structure provides both large specific surface area with rich active sites and interconnected channels for ...
Get Price2014-1-27 · The combination of aluminum and iron in poly–aluminum ferric sulfate as a single coagulation reagent Tolkou A. 1, Karamani D. 1, Ntinoudi L. 1, Tzoupanos N. 1, Samaras P. 2*, Zouboulis A.I. 1 1 Division of Chemical Technology, Department of Chemistry, Aristotle University of …
Get Price2016-10-26 · In this study, a novel magnetic polyacrylamide (PAM) coagulant based on the core of magnetite (Fe 3 O 4), with oleic acid serving as modifier and acrylamide as monomer, was synthesized to remove suspended solids in kaolin-suspended water.The composites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermo gravimetric analysis and scanning electron …
Get PriceSynthesis and characterization of the PMMA Sio2 hybrids by sol-gel method By seenaa hussein membranes A Review on Inorganic Nanoparticles Modified Composite Membranes for Lithium-Ion Batteries: Recent Progress and Prospects
Get Price2012-12-5 · performance fibers is generally above 40/kg, while the cost of commodity textile fibers is typically below 5/kg. There is a significant performance and price gap between the commodity textile fibers such as PET, nylon, and polypropylene on one hand, and high-performance polymeric fibers such as Kevlar® and Zylon® on the other. Use of carbon ...
Get Price2018-12-29 · composite membranes for improved water vapor separation. Journal of Membrane Science, 525, 187-194. Amirilargani, M., Saljoughi, E., Mohammadi, T., & Moghbeli, M. (2009). Effects of coagulation bath temperature and polyvinylpyrrolidone content on flat sheet ... Effect of PVDF blending on the structure and performance of PEI hollow fiber ...
Get Price2015-8-20 · 1. A method for preparing a TFC membrane comprising a support, which comprises a cross-linked first polymer, and a top layer comprising a film of a second polymer, wherein said method comprises: (i) casting a solution of said first polymer onto a suitable substrate; (ii) preparing a solidified and impregnated support by immersing said cast first polymer solution into a coagulation medium to ...
Get Price2018-12-29 · 2.5.1 Poly(vinylidene fluoride) (PVDF) as a Membrane 22 2.6 Thin Film Composite Membranes (TFC) 23 2.6.1 Pebax a New Iteration in Membrane Development 23 2.7 Factors to Be Consider in TFC Development 28 2.7.1 Effect of Selective Skin Layer Thickness on Separation Efficiency 28 2.7.2 Effect of Casting Temperature on Membrane Morphology 29
Get Price2015-3-22 · Cationic polymer, hydroxy aluminum, and clay minerals are three flocculants with different action mechanisms and a more cost-efficient multiple flocculant can be prepared by compositing them through appropriate technology. All of attapulgite (ATP), clay minerals containing magnesium, aluminum, and silicate, are porous environmental mineral material with good absorbability and have found wide ...
Get Price2019-9-26 · Effect of non-solvent additives on the morphology and separation performance of poly(m-phenylene isophthalamide) (PMIA) hollow fiber nanofiltration membrane. Desalination, 365:293-307. 3. Tao Wang, Ye Li, Changwei Zhao*. 2015. Synthesis and Properties of
Get PriceSynthesis and coagulation performance of composite po ly ... 2015-9-7 · poly-aluminum chloride (PACl) is the most extensively used coagulant at water purification and wastewater treatment plants throughout the …
Get PriceThe comparison of photovoltaic performance of GNP-TiN, GNP-PEDOT:PSS composites with pure GNP employed as DSSC counter electrodes showed a superior power conversion efficiency (4.37%) and a higher shunt resistance (315.92 Ω/cm2) for the GNP-TiN composite due to its good electrocatalytic activity and better material adhesion with a low sheet ...
Get Price2015-10-29 · 已认领 First principles calculations of the electronic structure and optical properties of (001), (011) and (111) Ga0.5Al0.5As surfaces Materials Science in Semiconductor Processing Ga(Mg)(0.75)Al0.25N (0001)表面Cs吸附的第一性原理研究
Get PriceThe performance in CFPP and the observations in DSC are consistent with the block copolymers generally acting as nucleating agents, though some also display single-shot activity. There is an observable trend in performance with the varying size of the polar block as …
Get PriceSynthesis and coagulation performance of composite po ly ... 2015-9-7 · poly-aluminum chloride (PACl) is the most extensively used coagulant at water purification and wastewater treatment plants throughout the …
Get Price28%-30% Polyaluminum Chloride Advanced for Water . water treatment agent White high-purity aluminum chloride (PAC) is a new and efficient inorganic polymer coagulants, this product is made of pure raw material (aluminum hydroxide, hydrochloric acid synthesis) made with advanced technology, it has a good flocculation effect, its water is better than the traditional aluminum sulfate and ferric ...
Get PricePoly Aluminium Chloride (PAC) (Liquid Powder) - Arun Industrial Product’s Poly Aluminium Chloride holds the formula {Aln (OH)mCl (3n-m)}x and is used mainly within the production of deodorants and antiperspirants, as a flocculent in water purification, in the treatment of drinking or potable water, wastewater treatment and paper sizing.
Get PriceChina High Quality Food Grade Poly Aluminum Chloride . 2021-5-27 · White high-purity aluminum chloride (PAC) is a new and efficient inorganic polymer coagulants, this product is made of pure raw material (aluminum hydroxide, hydrochloric acid synthesis) made with advanced technology, it has a good flocculation effect, its water is better than the traditional aluminum sulfate and ferric ...
Get PricePolyaluminium Chloride PAC 30% Water Treatment . Poly Aluminium Chloride Uses. Used in water treatment. With the properties of adsorption, aggregation and precipitation, Poly aluminum chloride can be used as coagulant in sewage treatment, industrial wastewater treatment, drinking water treatment, circulating water treatment, etc. Used in papermaking industry.
Get PriceDNA Repair Enzymes: Cell, Molecular, and Chemical Biology [1st Edition] 9780128118474, 9780128118467. DNA Repair Enzymes, Part A, Volume 591 is the latest volume in the Methods in Enzymology series and the first part of a
Get Price2015-10-29 · 已认领 First principles calculations of the electronic structure and optical properties of (001), (011) and (111) Ga0.5Al0.5As surfaces Materials Science in Semiconductor Processing Ga(Mg)(0.75)Al0.25N (0001)表面Cs吸附的第一性原理研究
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