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Evaluation a self-assembled anionic polyacrylamide flocculant for the treatment of hematite wastewater: Role of microblock structure – ScienceDirect

1/2/2019 · Anionic polyacrylamide (APAM) as an important flocculant possess the advantages of high molecular weight, acceptable flocculation performance, low cost and green . The anionic chemical groups in APAM are able to neutralize the positive charge of

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Bonding between polyacrylamide and smectite – ScienceDirect

15/6/2006 · FTIR spectra of anionic PAM 836A and Ca 2+-PAM 836A-smectite complex. The similar IR-band shifts of the nonionic units in both the cationic-copolymer PAM 494C and the anionic-copolymer PAM 836A as those of the nonionic PAM 903N suggest that the

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Anionic polyacrylamide “water-in-water” emulsion prepared by dispersion polymerization in mixed salt aqueous media

Anionic polyacrylamide “water-in-water” emulsion prepared by dispersion polymerization in mixed salt aqueous (1H-NMR, FTIR, UV/vis and fluorescence, and DSC), gel permeation chromatography

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American Chemical Society – UV-Initiated Polymerization of Hydrophobically Associating Cationic Polyacrylamide Modified by a Surface-Active

26/6/2014 · Two cationic polyacrylamides, PAA and PAD, were synthesized for sludge dewatering. The advanced instruments such as 1H NMR, FTIR, and SEM were used to characterize the two copolymers. Their hydrophobic association properties in water were

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the problems analysis of anionic polyacrylamide – vidar water | Hot quality water treatment chemical products PAM and PAC

Anionic Polyacrylamide is a white, granular, odorless polymer that yields a gel-like material with the addition of water. It is insoluble in water and causes extremely slippery conditions when wet. Although not regulated as a hazardous material,

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Synthesis and Characterization of Polymeric Material Consisting on Acrylamide Catalyzed by Maghnite (Algerian MMT) under Microwave – IntechOpen

5/11/2018 · 1 H-NMR spectrum of anionic polyacrylamide (APAM) induced by maghnite-Na+ (5 wt%) under microwave irradiation. A thermal property of anionic polyacrylamide was characterized by TGA. According to Figure 8 , crude dry particles were obtained by

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hydrolyzed polyacrylamide grafted maize starch based in spain | Hot quality water treatment chemical products PAM and PAC

Hydrolyzed polyacrylamide grafted maize starch based FTIR spectra of maize starch (MS), acrylamide grafted maize starch (Pam-g-MS), and hydrolyzed polyacrylamide grafted maize starch (HPam-g-MS). In the spectrum of Pam-g-MS the peaks at 3634.01

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Water Soluble Polymer Flocculants: Synthesis, Characterization, and Performance Assessment – Vajihinejad – 2019 – Macromolecular Materials and

where C i is ion concentration (mol L −1) and z i is ion valence. Given the conditions in this example, the electrical double layer thickness is estimated to be 4.8 nm from Equation 5.For nonionic linear polymers, the average radius of gyration

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Recent Applications of Polyacrylamide as Biomaterials

Additionally, synthetic hydrogels further provide higher porosity, mechanical strength and controlled degradation time based on the applications. Hydrogels such as polyacrylamide based hydrogels

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Polymer-Surfactant Interaction – Scientific Spectator

Abuin, E. B. and Scaiano, J. C. Journal of American Chemical Society 1984, 106, 6274.) The presence of polymeric chains induces the formation of micelles. The presence of similarities between the surfactant and the polymer attract the certain

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MDPI – Characterization of Two Cactus Formulation-Based Flocculants and Investigation on Their Flocculating Ability for Cationic and Anionic Dyes

Dye invasion in wastewaters is undeniably one of the crucial environmental concerns in addition to the supplement of toxic synthetic chemical flocculants used for color removal using the conventional coagulation-flocculation process. With the

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Screening of amphoteric and anionic surfactants for cEOR applicationsusing a novel approach | Muhammad Shahzad Kamal – Academia.edu

Surfactants are used in chemical enhanced oil recovery (cEOR) to increase the capillary number bydecreasing the oil/water interfacial tension (IFT). In this work, carboxybetaine based amphoteric andpropoxylated anionic surfactants were evaluated

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Industrial & Engineering Chemistry Research – ACS Publications: Chemistry journals, books, and references published by the American Chemical Society

7/2/2014 · Fabricating an anionic polyacrylamide (APAM) with an anionic block structure for high turbidity water separation and purification. RSC Advances 2017 , 7 (46) , 28918-28930.

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Novel G‐CSF conjugated anionic globular dendrimer: Preparation and biological activity assessment

4 of 16 | MOUSAVI MOTLAG ET AL.buffer, pH 4), PD10 column was used according to the instructions. First, the column was washed with 25 ml of the buffer and then 2.5 ml of a solution was loaded on it and after leaving the 2.5 ml from the column,

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Preparation, Characterization and Decolorization Performance of Magnetic Adsorbent Pellets Formed by the Utilization of Electric Flocculation Sludge

Download Citation | Preparation, Characterization and Decolorization Performance of Magnetic Adsorbent Pellets Formed by the Utilization of Electric Flocculation Sludge | A new magnetic adsorbent

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