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Customized Cationic Temperature-Resistant Salt-Resistant Polyacrylamide for Ethanol Plant Wastewater Treatment

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Synthesis of anion polyacrylamide under UV initiation and ...

Synthesis of anion polyacrylamide under UV initiation and ...

An Effective Flocculation Method to the Kaolin Wastewater Treatment by a Cationic Polyacrylamide (CPAM): Preparation, Characterization, …
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US5659011A - Agents having high nitrogen content and high ...

US5659011A - Agents having high nitrogen content and high ...

The present invention describes polymers having high nitrogen content and high cationic charges derived from dicyanimide, dicyandiamide or guanidine and inorganic ammonium salts. The new compositions are useful in the pulp and paper industries as pitch control agents, as well as adjuvants such as in felt cleaner applications. The new materials are also useful in paper …
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canada water treatment chemical anionic polyacrylamide ...

canada water treatment chemical anionic polyacrylamide ...

Cationic Polyacrylamide Flocculant/ Powder - Sinofloc Supplier. Cationic Flocculants for Municipal Wastewater Treatment. If it is available, to heat the water to 20 to 30 degrees is also a good method to speed up dissolving. The water temperature cannot be too high, otherwise the high water temperature will accelerate the degradation of
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US8529681B1 - Biofouling-resistant ceragenin-modified ...

US8529681B1 - Biofouling-resistant ceragenin-modified ...

US8529681B1 US12/986,234 UA US8529681B1 US 8529681 B1 US8529681 B1 US 8529681B1 US A U A USA US 8529681 B1 US8529681 B1 US 8529681B1 Authority US United States Prior art keywords ceragenin ceragenins functionalized csa membrane Prior art date-07 Legal status (The legal status is an assumption and is …
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Green wastewater treatment flocculants and fixatives ...

Green wastewater treatment flocculants and fixatives ...

Dec 01, 2018 · The cationic derivatives were used as biobased flocculants to treat real-life wastewater samples in a head-to-head comparison with cationic polyacrylamides. A novel high-consistency, high shear mixing heterogeneous mixing method enables the preparation of cellulose derivatives without the use of solvent or high cost solubilization methods.
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Starch Derivatives of High Degree of Functionalization. 7 ...

Starch Derivatives of High Degree of Functionalization. 7 ...

The optimized cationic product with DS 0.28 showed promising results as a biopolymeric flocculant for wastewater treatment and as a wet strength …
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Natural flocculants from fresh and saline wastewater ...

Natural flocculants from fresh and saline wastewater ...

Oct 01, 2018 · The Sal-MBR was inoculated with aerobic sludge obtained from a saline wastewater treatment plant (located in Delfzijl, the Netherlands) that treats wastewater from local chemical industries. The sludge had been adapted to a salinity of 8–14 g Na + /L for more than seven years. We fed both MBRs with nutrients and readily biodegradable substrates – glycerol …
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Green modification of surface characteristics of ...

Green modification of surface characteristics of ...

A treatment temperature of 110 to 120 C was found to be sufficient. The cited work received a high score of 20 in Table A, since durable effects were achieved just by heating of the natural products. Dong et al. (2013) heated an ethanolic mixture of soybean oil and microcrystalline cellulose to 100 C. The treated MCC continued to show the same ...
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cpam cationic polyacrylamide water treatment flocculant ...

cpam cationic polyacrylamide water treatment flocculant ...

cationic polyacrylamide water treatment flocculant cpam. Waste Water Treatment Flocculant Cationic Polyacrylamide Cpam waste water treatment flocculant cationic polyacrylamide cpam Polyacrylamide, abbr. PAM, is a kind of water soluble polymer, has unique effect to increase the viscosity of water or to promote the flocculation of particles present in water, it can also …
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Effect of cationic polyacrylamide on the processing and ...

Effect of cationic polyacrylamide on the processing and ...

Cationic polyacrylamide (CPAM), a water-soluble cationic polymer decorated with carbamoyl group, is a commonly used retention and drainage agent in …
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panama specification cationic polyelectrolyte flocculants ...

panama specification cationic polyelectrolyte flocculants ...

Sewage and Paper Sludge Dewatering Cationic Polyacrylamide. Product Description Blufloc cationic polyacrylamide flocculant, grade C8030, is high molecular weight, it is suitable for different kind filters for sludge dewatering, especially for sewage sludge treatment Good performance in paper water sedimentation and separation.
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UV-initiated polymerization of acid- and alkali-resistant ...

UV-initiated polymerization of acid- and alkali-resistant ...

Oct 31, 2017 · According to the experimental design, AM, MAPTAC, metal-chelating agent EDTA, solubilizer urea, and distilled water were added into a 250 ml glass reactor and stirred to dissolve completely.The pH of the reaction solution was adjusted by adding sodium hydroxide (0.1 mol·L −1) or hydrochloric acid (0.1 mol·L −1).The reactor was bubbled with pure N 2 (99.99%) for 30 …
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Green wastewater treatment flocculants and fixatives ...

Green wastewater treatment flocculants and fixatives ...

Dec 01, 2018 · Despite the fact that the cationic charge of the cationic polyacrylamide is much higher, the performance of the best cellulose derivatives is almost similar to that of the cationic polyacrylamide. Download : Download high-res image (369KB) Download : Download full-size image; Fig. 3. Sludge dewatering performance, CST time, as a function of dosing.
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Flocculation of kaolinite suspensions in water by chitosan ...

Flocculation of kaolinite suspensions in water by chitosan ...

Flocculation of kaolinite suspensions in water using chitosan was studied in the pH range 5-9 and the turbidity ranging from 10 to 160 NTU. Chitosan, …
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US3753901A - Flocculation of aqueous industrial wastes ...

US3753901A - Flocculation of aqueous industrial wastes ...

aqueous wastes and particularly aqueous latex paint wastes, are flocculated using a polymer of benzyl c1-c4 dialkyl acryloyl- or methacryloyl-oxyalkyl ammonium chloride. preferred polymers are produced by aqueous solution polymerization at a temperature below about 90* c. and a proportion of acrylamide or methacrylamide is desirably present in the polymer.
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Hydrophobic modification of cationic microblocked ...

Hydrophobic modification of cationic microblocked ...

Apr 09, 2019 · Sarac N, Ugur A (2016) A green alternative for oily wastewater treatment: lipase from Acinetobacter haemolyticus N. Desalin Water Treat 57(42):19750–19759. Article Google Scholar 8. Yang ZL, Gao BY, Li CX, Yue QY, Liu B (2010) Synthesis and characterization of hydrophobically associating cationic polyacrylamide.
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Headway on natural polymeric coagulants in water and ...

Headway on natural polymeric coagulants in water and ...

Jun 01, 2015 · The coagulant properties of the products were evaluated in terms of changes in the transmittance values (measured at 560 nm) of kaolin suspension and then used for the treatment of wastewater obtained from a sewage treatment plant. Influences of temperature, pH and flocculant dosage on flocculation efficiency of CATCS were also examined.
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Design and Study of a Novel Thermal-Resistant and Shear ...

Design and Study of a Novel Thermal-Resistant and Shear ...

Jul 21, 2017 · The slow increase in apparent viscosity of the polymer with increase in salinity was interesting. The amphoteric polyacrylamide showed perfect temperature resistance in high-salinity solution. The viscosity retention reached 38.9% at 120 °C and was restored to 87.8% of its initial viscosity when temperature was decreased to room temperature.
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Natural flocculants from fresh and saline wastewater ...

Natural flocculants from fresh and saline wastewater ...

Oct 01, 2018 · By using industrial wastewater as carbon source, wastewater treatment plants can combine biological wastewater treatment with the production of natural flocculants, saving (energy) costs. EPS, being anionic polyelectrolytes have somewhat similar flocculation mechanism with synthetic anionic flocculants such as polyacrylamide.
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Solution properties and flocculation of hydrophobically ...

Solution properties and flocculation of hydrophobically ...

Jan 20, 2011 · The hydrophobically associating cationic fluorinated polyacrylamide (CFPAM), modified with fluorinated acrylate, 2-(perfluorooctyl)ethyl acrylate (FEA), has been newly synthesized, by free radical micellar copolymerization in aqueous solution. The solution properties of these polymers were investigated in details in this study. In addition, the flocculation of …
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Application of Polyacrylamide Flocculant for Stabilization ...

Application of Polyacrylamide Flocculant for Stabilization ...

Polyacrylamide flocculants are most often used in wastewater treatment and utilization of sewage sludge to improve the separation of the solid and liquid phases [13,14,15]. In our earlier experiments, different concentrations of the polyacrylamide cationic flocculant Praestol 650 (PAM) were used for SS thickening before batch-mode AD.
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liquid cationic polymer, liquid cationic polymer Suppliers ...

liquid cationic polymer, liquid cationic polymer Suppliers ...

Its outstanding feature is the high hydrophilicity which enables it dissolves in water at any ratio while insolubilizes in organic solvents like ethanol and acetone. Parameter of liquid cationic polyacrylamide polymers: Name liquid cationic polyacrylamide polymers Model ionic degree of 15% Filtration ratio ≤1.01 Viscosity(mpa.
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Chitosan: A Natural Biopolymer with a Wide and Varied ...

Chitosan: A Natural Biopolymer with a Wide and Varied ...

Sep 01, 2020 · From a chemical viewpoint, chitin is a poly(β-(1-4)-N-acetyl-d-glucosamine) with β(1→4) linkages [], and it is considered to have a cellulose-like structure, where the hydroxyl group in the C2 position has been replaced by an acetamido group (Figure 1).Depending on the orientation of polysaccharide chains, chitin displays three polymorphs, denoted as α, β and γ [].
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Review on Spinning of Biopolymer Fibers from Starch

Review on Spinning of Biopolymer Fibers from Starch

Apr 01, 2021 · 2. Starch as a Source of Fiber. Starch is one of the most important renewable resources and is considered as the second largest source of biomass on earth after cellulose [].The major sources of starch are maize, rice, wheat, potato, cassava, yams, and sorghum [].Starch-based fibers have been fabricated mainly by blending native or modified starches with …
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