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2012-8-21 · Coagulation experiments reveal that the PFS–CP composite reagent exhibits a superior coagulation performance, when compared to conventional coagulants. PDA analysis shows that the improvement of kinetic parameters with increasing CP/Fe ratio (especially in comparison with PFS) is attributed to the nature and properties of the …
Get Price2019-6-1 · Synthesis of polyurethane (PU) The method for the synthesis of polyurethane (PU) is followed according to a study done by Ma et al. . Nitrogen gas was purged in to create an inert gas atmosphere and purged out into water. 30.0 g MDI could fully mix with 250 ml DMAc with continuous stirring in the nitrogen atmosphere, and then 16.62 g …
Get Price2010-9-9 · Synthesis, characterization and blood compatibility of conductive cellulose composite membranes ... principle of hemodialysis involves mass transport of solutes across a semi- ... “working electrodes”, leaving the reference electrode essentially unchanged. [11-13]
Get Price2003-5-1 · The synthesis of colloidally stable nanocomposites comprising poly(3,4-ethylenedioxythiophene) (PEDOT) and a 20 nm diameter silica sol is described for the first time. Raspberry-shaped PEDOT−silica nanocomposites of submicrometer dimensions were obtained, with silica contents ranging from 19% to 80% by mass and with …
Get Price2020-2-13 · A new composite of poly sulfonamide/nano-silica composite (PSA/silica) was synthesized from the polymerization of sulfonamide in the presence of the prepared nano-silica. The prepared nano-silica, poly sulphonamide (PSA), and PSA/silica composites were utilized for Th(IV) adsorption from sulfate solution.
Get PriceThe basic working principle of IEMs is permselectivity. It should also be noted that, for IEMs to work properly, the ions should have the ability to move freely, and therefore directional movement of ions can be achieved, that is why in common fuel cell applications, humidification is necessary to promote ion movement and transport ( …
Get Priceworking solution. Coagulation experiments were all carried out at room temperature (about 20 C) using jar test on a six-paddle gang stirrer (MY3000-6B, Meiyu Co., China). 500 ml working solution was added into 1000 ml beaker. A measured amount of coagu-lant wasaddedintothe working solutionunderrapidstirring at
Get Price2020-2-18 · It has been reported that besides adding stabilizers, thermal treatment can also improve coagulation performance. 12,13 In this study, high-poly-aluminum chloride sulfate (HPACS) coagulants with different [SO 4 2−]/[Al 3+] molar ratios (S) were prepared by a simple thermal treatment of PACS. The hydrolysis morphology and particle size of …
Get Price2019-1-1 · Therefore, the key issue in the synthesis of nanocomposites is the dispersion of nanofillers, the aim of which is to incorporate individual nanofillers or their small bundles into the polymer matrix and stabilize them to avoid further agglomeration during the course of synthesis. This requires the application of external energy of different …
Get Price2014-12-9 · The aqueous phase synthesis of conducting polymers has received significant research interest in recent years as an environment friendly process. In this work, the chemical oxidative polymerization of 3, 4-ethylenedioxythiophene (EDOT) in presence of the anionic polymerizable surfactant (surfmer), viz., sulfonated 3 …
Get PriceHigh-poly-aluminum chloride sulfate coagulants and their coagulation performances for removal of humic acid Zhen Wu, ab Xian Zhang, *ab Jinglin Pang,a Juan Li,c Jiding Li d and Panyue Zhang*c High-poly-aluminum chloride …
Get Price2020-9-9 · In figure 11, the R 2 value shows that the modified model can predict the performance of composite amine mixed matrix membranes satisfactory for carbon dioxide. So, based on results, it is concluded that the modified Maxwell model is working satisfactorily at high pressure 10 wt% of CMS with constant concertation of DEA.
Get Price2010-9-9 · Synthesis, characterization and blood compatibility of conductive cellulose composite membranes ... principle of hemodialysis involves mass transport of solutes across a semi- ... “working electrodes”, leaving the reference electrode essentially unchanged. [11-13]
Get Price2020-2-13 · Description of adsorbents XRD analysis. XRD diffraction patterns of the nano-SiO 2, PSA, and PSA/SiO 2 were achieved in Fig. 1.The diffraction spectrum of the nano-SiO 2 exhibited two major broad peaks at 2θ = 24° and a shoulder at 2θ = 43° (JCPDS card 16-0380). The first peak at 2θ = 24°, that is at a significantly high point in Fig. 1a, …
Get Price2013-6-5 · Coagulation and Flocculation Process Fundamentals 1 Coagulation and Flocculation . Groundwater and surface water contain both dissolved and suspended particles. Coagulation and flocculation are used to separate the suspended solids portion from the water. Suspended particles vary in source, charge, particle size, shape, and …
Get Price2020-7-3 · 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 …
Get Price2020-6-4 · Membrane-based liquid filtration systems are key process engineering platforms for the chemical industry, particularly for solvent intensive processes. While they are used in a large scale for desalination, in water treatment, and in the food industry, polymeric membranes are mostly fabricated from solutions in organic solvents with …
Get Price2020-12-31 · As the most common energy storage technology on the market, lithium-ion batteries are widely used in various industries and have a profound impact on our daily lives, with the characteristics of high voltage, high capacity, good safety performance, and long cycle life. Lithium metal was first used in the anode of lithium-ion batteries. …
Get Price2020-2-13 · Description of adsorbents XRD analysis. XRD diffraction patterns of the nano-SiO 2, PSA, and PSA/SiO 2 were achieved in Fig. 1.The diffraction spectrum of the nano-SiO 2 exhibited two major broad peaks at 2θ = 24° and a shoulder at 2θ = 43° (JCPDS card 16-0380). The first peak at 2θ = 24°, that is at a significantly high point in Fig. 1a, …
Get Price2020-7-3 · 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 …
Get Price2020-10-15 · selection and synthesis of the material for the host matrix is one of the main objectives in this study. Due to excellent properties of polyimide material compared to others, including high mechanical strength and no swelling following pore-filling, it is selected for fabricating the porous substrate to construct the composite membrane.
Get Price2020-6-4 · Membrane-based liquid filtration systems are key process engineering platforms for the chemical industry, particularly for solvent intensive processes. While they are used in a large scale for desalination, in water treatment, and in the food industry, polymeric membranes are mostly fabricated from solutions in organic solvents with …
Get Price2011-5-27 · Li PX, Yu B, Wei XC (2004) Synthesis and characterization of a high oil-absorbing magnetic composite material. Appl Polym Sci 93:894–900. CAS Article Google Scholar 3. Zhou XM, Chuai CZ (2010) Synthesis and characterization of a novel high-oil-absorbing resin. J Appl Polym Sci 115:3321–3325
Get Price2015-5-21 · polymers, device performance in BHJ solar cells has been steadily enhanced and power conversion efficiency (PCE) higher than 2% is becoming more and more commonplace. A most encouraging PCE of over 5% has been achieved not only for the well-known regioregular poly(3-hexylthiophene) but also for many newly developed low …
Get PriceThe principle of falling-ball viscosimeters is based on the fact that the viscosity of liquid modifies the speed of ball falling through this liquid. The time of fall of the ball through the polymeric solution was measured for five different concentrations of it. As a solvent, sodium nitrate 1 M was used and the working temperature was 30°C.
Get Price2020-12-31 · As the most common energy storage technology on the market, lithium-ion batteries are widely used in various industries and have a profound impact on our daily lives, with the characteristics of high voltage, high capacity, good safety performance, and long cycle life. Lithium metal was first used in the anode of lithium-ion batteries. …
Get PriceSynthesis of PAEK, PAEK with carboxyl pendant (PAEK–COOH), and PAEK-g-PEG.PAEK was synthesized using the aromatic nucleophilic substitution reaction method applied in previous studies. 42,43 PAEK was synthesized using 4,4′-difluorobenzophenone (DFBP), 4-(4-hydroxyl-phenyl)(2H)-phthalazine-1-one (DHPZ) as illustrated in Scheme 1.The …
Get Price2020-6-4 · Membrane-based liquid filtration systems are key process engineering platforms for the chemical industry, particularly for solvent intensive processes. While they are used in a large scale for desalination, in water treatment, and in the food industry, polymeric membranes are mostly fabricated from solutions in organic solvents with …
Get PriceThe principle of falling-ball viscosimeters is based on the fact that the viscosity of liquid modifies the speed of ball falling through this liquid. The time of fall of the ball through the polymeric solution was measured for five different concentrations of it. As a solvent, sodium nitrate 1 M was used and the working temperature was 30°C.
Get Price2020-7-3 · 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 …
Get Price1. INTRODUCTION. It is well-known that Poly(L-lactic acid) (PLLA) is a very typical green thermoplastic polymer, and there exists many advantages such as biodegradable performance, biocompatibility, easy process, etc [1 Yan SF, Yin JB, Yang Y, Dai ZZ, Ma J, Chen XS. Surface-grafted silica linked with L-lactic acid oligomer: A novel nanofiller to improve the performance of biodegradable poly…
Get Price2016-12-6 · Working principle of high gradient magnetic separation Owing to the remarkable difference between magnetic susceptibility of magnetizable wires and that of suspending medium, the magnetic field within close range of the wires is significantly distorted which sequentially induces an intense magnetic field gradient in that region [ …
Get Price2019-4-18 · ao Akhter M, Habib G, Qamar SU (2018) Application of Electrodialysis in Waste Water Treatment and Impact of Fouling on Process Performance. J Membr Sci Technol 8: 182. doi: 10.4172/2155-9589.1000182 Page 2 of 8 e eo a oe ae oa oe 8 e 2 82 25558 Working principle of ED system The main objective of ED process is removal of …
Get Price2020-3-5 · 9 The Regulatory Fitness and Performance Programme, or REFIT, is the Commission’s programme for ensuring that EU legislation remains fit for purpose and delivers the results intended by EU lawmakers. 10 Directive 2006/54/EC of the European Parliament and of the Council of 5 July 2006 on the implementation of the principle of …
Get Price2010-9-9 · Synthesis, characterization and blood compatibility of conductive cellulose composite membranes ... principle of hemodialysis involves mass transport of solutes across a semi- ... “working electrodes”, leaving the reference electrode essentially unchanged. [11-13]
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 …
Get Price2020-10-13 · experimental design, synthesis and application of molecular micelle modified polymeric nanoparticles for drug delivery systems and free radical detection
Get Price2013-6-5 · Coagulation and Flocculation Process Fundamentals 1 Coagulation and Flocculation . Groundwater and surface water contain both dissolved and suspended particles. Coagulation and flocculation are used to separate the suspended solids portion from the water. Suspended particles vary in source, charge, particle size, shape, and …
Get Price2016-8-24 · A variety of techniques have been established to treat chromium, including chemical precipitation (Gheju & Balcu 2011), liquid–liquid extraction (Sacmaci & Kartal 2001), chemical/electrochemical reduction (Dhaz et al. 2012), ion-exchange (Rengaraj et al. 2001), solvent extraction (Luo et al. 2013), adsorption (Selvi et al. 2001), coagulation ...
Get Price2021-1-19 · A rationally designed polymer–ceramic composite electrolyte comprising a polyethylene glycol diacrylate (PEGDA) matrix, a succinonitrile (SCN) plasticizer, a Na 3 Zr 2 Si 2 PO 12 ceramic filler, and a NaClO 4 salt provides a reasonably high Na +-ion conductivity, dendrite-suppression capability, and a broad electrochemical stability window.The PEGDA-SCN-NaClO 4-Na 3 Zr 2 Si 2 PO 12 composite …
Get PriceWorking Experience 2016.7 - present, Shenzhen University, Institute for Advanced Study, Principle Investigator, Assistant Professor 2016.1 - 2016.6, Institute of Chemistry Chinese Academy of Sciences, Associate Research Fellow
Get Price2021-7-5 · The pollutant removal performance of the composite nanofibers was investigated by using five contaminants including rhodamine B (RhB), methylene blue (MB), malachite green (MG), methyl orange (MO) and chlortetracycline (CTC) as substrates. Among them, the degradation process of rhodamine B has been studied in …
Get Price2019-5-24 · Sonochemistry, or the application of power ultrasound to chemical processes, is a technology that has undergone very intensive research and development in the last 15−20 years, with respect to both its range of application and the methods employed for its implementation at industrial manufacturing scales. In a series of two papers, the …
Get Price2010-9-9 · Synthesis, characterization and blood compatibility of conductive cellulose composite membranes ... principle of hemodialysis involves mass transport of solutes across a semi- ... “working electrodes”, leaving the reference electrode essentially unchanged. [11-13]
Get Pricehaviour through the synthesis of a series of SWCNT/PVC com-posite fibres. Increasing the aspect ratio should increase the extent of SWCNT reinforcement by improving stress transfer efficiency. Further, the reactive fibres are spun via anewreac-tive coagulation spinning process in organic solvent, intended to create a strong composite interface ...
Get Price2019-4-18 · composite flocculants through the synergy of both of them, on the one hand, floc adsorption by inorganic flocculant, electricity neutralization and cohesion; On the other hand also through organic polymer bridging role, adsorption on the activity of organic polymer base, so that the other impurities particle coagulation together, play …
Get Price2019-9-4 · Nevertheless, in spite of its good properties, many efforts are still being made to improve even more its CO 2 separation performance, although the majority of them concern the incorporation of nanoparticles into the polymeric matrix or the synthesis of a composite membrane [7–10].
Get Price2021-1-22 · Large volumes of unconventional fossil resource are untapped because of the capillary forces, which kept the oil stranded underground. Furthermore, with the increasing demand for sustainable energy and the rising attention geared towards environment protection, there is a vital need to develop materials that bridge the gap between the …
Get Price2019-5-24 · Sonochemistry, or the application of power ultrasound to chemical processes, is a technology that has undergone very intensive research and development in the last 15−20 years, with respect to both its range of application and the methods employed for its implementation at industrial manufacturing scales. In a series of two papers, the …
Get Price2021-5-25 · Inorganic–polymer composites have emerged as viable solid electrolytes for the mass production of solid-state batteries. In this Review, we examine the properties and design of inorganic ...
Get PriceSoin et al 150 fabricated a high-performance TENG based on polyamide-6 (PA6) and the composite membranes of PVDF-zinc stannate (PVDF-ZnSnO 3). The results showed that piezoelectric ZnSnO 3 increased the β-phase polarization of PVDF, leading to a stronger piezoelectric potential and improved output performances to 520 V, 2.7 mA/m 2 , and …
Get Price2020-11-13 · Cell-free synthesis of hirudin in three different eukaryotic cell lysates. We have previously demonstrated the performance of cell-free protein synthesis systems based on translationally active ...
Get Price2013-6-5 · Coagulation and Flocculation Process Fundamentals 1 Coagulation and Flocculation . Groundwater and surface water contain both dissolved and suspended particles. Coagulation and flocculation are used to separate the suspended solids portion from the water. Suspended particles vary in source, charge, particle size, shape, and …
Get Price2014-8-13 · Introduction. Carbon is the chemical element with atomic number 6 and has six electrons which occupy 1 s 2, 2 s 2, and 2p 2 atomic orbital. It can hybridize in sp, sp 2, or sp 3 forms. Discoveries of very constant nanometer size sp 2 carbon bonded materials such as graphene [], fullerenes [], and carbon nanotubes [] have encouraged to make …
Get Price2019-4-18 · the effect of nanoparticle size on membrane performance. They studied that TiO 2 nanoparticle with size 10 nm provides good antifouling properties as compared to using large particle size of 26-30 nm. Liu et al. [30] compared separation performance of PVDF membranes with fabricated PVDF γ-Al 2 O 3 using 2 wt% γ-Al 2 O 3 and found …
Get Price2014-8-21 · A Novel Magnetic Graphene Oxide Composite Absorbent for Removing Trace Residues of Polybrominated Diphenyl Ethers in Water ... such as coagulation, flocculation, sedimentation and filtration [2]. Therefore, ... All of the working solutions of BDEs were 100 ng/mL and prepared daily by appropriate
Get Price2021-1-22 · 2. Synthesis of MO-NPS and MO-NCPs. MO-NPs can be obtained through two opposite approaches including top-down and bottom-up. The former technique consists in successive mechanical operations of divisions and fragmentations, or in the irradiation of the bulk phase with a powerful energy source including UV, X-Rays, electron beam …
Get Price2019-6-4 · Luminescent materials are of worldwide interest because of their unique optical properties. Silica, which is transparent to light, is an ideal matrix for luminescent materials. Luminescent silica nanoparticles (LSNs) have broad applications because of their enhanced chemical and thermal stability. Silica spheres of various sizes could be …
Get PriceWorking Experience 2016.7 - present, Shenzhen University, Institute for Advanced Study, Principle Investigator, Assistant Professor 2016.1 - 2016.6, Institute of Chemistry Chinese Academy of Sciences, Associate Research Fellow
Get PriceThe development of novel polymeric composites based on cellulose derivatives and hydroxyapatite represents a fascinating and challenging research topic in membranes science and technology. Cellulose-based materials are a viable alternative to synthetic polymers due to their favorable physico-chemical and biological characteristics. They …
Get Price2015-10-29 · Fang, J. et al. Measurement of sub-2 nm clusters of pristine and composite metal oxides during nanomaterial synthesis in flame aerosol reactors. Anal. Chem. 86, 7523–7529 (2014).
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