Results 1 to 10 of about 190,292 (240)

Optimization Conditions to Obtain Cationic Polyacrylamide Emulsion Copolymers with Desired Cationic Degree for Different Wastewater Treatments [PDF]

open access: yesPolymers, 2023
The synthesis of cationic polyacrylamides (CPAMs) with the desired cationic degree and molecular weight is essential for various industries, including wastewater treatment, mining, paper, cosmetic chemistry, and others.
Linh Nguyen Pham Duy, Thanh Bui
exaly   +3 more sources

Investigation on the Electrochemical Deposition of Nanocrystalline Zinc with Cationic Polyacrylamide (CPAM)-ZnSO4 Electrolyte [PDF]

open access: yesMicromachines, 2021
The electrochemical deposition of nanocrystalline zinc has high potential to deposit zinc coatings, which have improved wear and corrosion properties compared to conventional coating methods.
Xiaolei Chen   +4 more
doaj   +2 more sources

Cationic polyacrylamide copolymers (PAMs): environmental half life determination in sludge-treated soil [PDF]

open access: yesEnvironmental Sciences Europe, 2018
Background Cationic polyacrylamide copolymers (PAMs) are used for sludge dewatering in municipal waste water treatment and might enter the environment by spreading of the sludge on agricultural land. Concern has been expressed since little is known about
Dieter Hennecke   +4 more
doaj   +2 more sources

Preparation of novel amphoteric polyacrylamide and its synergistic retention with cationic polymers

open access: yesE-Polymers, 2020
A novel amphoteric polyacrylamide (PDAA) was prepared by inverse emulsion polymerization. The influence of its cationic degree and molecular weight on retention property was discussed.
Kaiji Yang, Chunli Yao, Qingjin Fu
exaly   +3 more sources

UV-Initiated Polymerization of Cationic Polyacrylamide: Synthesis, Characterization, and Sludge Dewatering Performance [PDF]

open access: yesThe Scientific World Journal, 2013
P(AM-DAC-BA) was synthesized through copolymerization of acrylamide (AM), acryloyloxyethyl trimethyl ammonium chloride (DAC), and butylacrylate (BA) under ultraviolet (UV) initiation using response surface methodology (RSM).
Huaili Zheng   +6 more
doaj   +2 more sources

Effects of cationic polyacrylamide characteristics on sewage sludge dewatering and moisture evaporation. [PDF]

open access: yesPLoS ONE, 2014
The effects of the molecular weight (MW) and charge density (CD) of cationic polyacrylamide (CPAM) on sludge dewatering and moisture evaporation were investigated in this study.
Jun Zhou, Fenwu Liu, Chengyi Pan
doaj   +2 more sources

Polyacrylamide-Based Polymers for Slickwater Fracturing Fluids: A Review of Molecular Design, Drag Reduction Mechanisms, and Gelation Methods [PDF]

open access: yesGels
Slickwater fracturing has become an adopted technology for enhancing hydrocarbon recovery from unconventional, low-permeability reservoirs such as shale and tight formations, owing to its ability to generate complex fracture networks at a low cost ...
Wenbin Cai   +6 more
doaj   +2 more sources

Effects of Cationic Polyacrylamide and Cationic Starch on Aquatic Life [PDF]

open access: yesJournal of Hazardous, Toxic, and Radioactive Waste, 2019
Katie L Duggan Didominic   +1 more
exaly   +2 more sources

Adsorption of Different Ionic Types of Polyacrylamide on Montmorillonite Surface: Insight from QCM-D and Molecular Dynamic Simulation

open access: yesMolecules, 2023
This study investigates the interaction between montmorillonite and polyacrylamide (PAM) with different ionic types using quartz crystal microbalance with dissipation monitoring (QCM-D) and molecular dynamics (MD) simulations.
Xiaomin Ma   +6 more
doaj   +1 more source

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