polyacrylamide in chemical polyacrylamide in Pretoria
polyacrylamide in chemical polyacrylamide in Pretoria
polyacrylamide in chemical polyacrylamide in Pretoria
polyacrylamide in chemical polyacrylamide in Pretoria
polyacrylamide in chemical polyacrylamide in Pretoria
polyacrylamide degradation and its implications in environmental

Polyacrylamide degradation and its implications in environmental

The term ¡°polyacrylamide¡± is loosely used to describe any polymer with acrylamide present as one of the monomers. 1 More rigorously, its IUPAC nomenclature is poly (prop-2-enamide), which defines...

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polyacrylamide

Polyacrylamide

Polyacrylamide (abbreviated as PAM or pAAM) is a polymer with the formula (-CH 2 CHCONH 2 -). It has a linear-chain structure. PAM is highly water-absorbent, forming a soft gel when hydrated. In 2008, an estimated 750,000,000 kg were produced, mainly for water treatment and the paper and mineral industries. [1] Physicochemical properties [ edit]

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polyacrylamide | water treatment, soil stabilization & flocculation

Polyacrylamide | Water Treatment, Soil Stabilization & Flocculation

Polyacrylamides are produced by the polymerization of acrylamide (C 3 H 5 NO), a compound obtained by the hydration of acrylonitrile. Acrylamide is usually dissolved in water; it has toxic effects on the nervous system and must be handled under special protective procedures.

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water soluble polymer flocculants: synthesis, characterization, and

Water Soluble Polymer Flocculants: Synthesis, Characterization, and

The reduction in the negative zeta potential was found to be considerably greater in the presence of cationic polyacrylamide than anionic and amphoteric polyacrylamide, due to an increased adsorbed layer thickness of cationic polyacrylamide. 208 Amphoteric polymers exhibit both cationic and anionic behaviors, and their strength and a relative number of sites vary depending on surface charge

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biodegradation of polyacrylamide and its derivatives

Biodegradation of Polyacrylamide and Its Derivatives

2294 Accesses 69 Citations 6 Altmetric Explore all metrics Abstract Although polyacrylamide (PAM) and its derivatives have many useful applications, their release in nature can have impacts on the environment and human health, thus bioremediation approaches for residual PAM are urgently needed.

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some aspects of the properties and degradation of polyacrylamides

Some Aspects of the Properties and Degradation of Polyacrylamides

Alkaline pre-fermentation for anaerobic digestion of polyacrylamide flocculated sludge: Simultaneously enhancing methane production and polyacrylamide degradation. Chemical Engineering Journal 2021 , 425 , 131407.

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polyacrylamide

Polyacrylamide

Polyacrylamides (PAMs) are relatively inexpensive polymers that are easily formulated to high molecular weights on the order of several million g/mol. PAM was first used in the paper industry in the mid-1950s.

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partially hydrolyzed polyacrylamide: enhanced oil recovery applications

Partially hydrolyzed polyacrylamide: enhanced oil recovery applications

Polyacrylamide and partially hydrolyzed polyacrylamide. Polyacrylamide (PAM) is a synthetic polymer of long-chain acrylamide subunits, high molecular weight (1000 to 20 ¡Á 10 6 g/mol), and a wide range degree of hydrolysis (Abidin et al., 2012; Joshi & Abed, 2017).

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degradation of polyacrylamide (pam) and methane production by

Degradation of Polyacrylamide (PAM) and methane production by

Polyacrylamide (PAM) is generally employed in wastewater treatment processes such as sludge dewatering and therefore exists in the sludge. Furthermore, it degrades slowly and can deteriorate methane yield during anaerobic digestion (AD). The impact or fate of PAM in AD under thermophilic conditions is still unclear.

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csiro publishing | environmental chemistry

CSIRO PUBLISHING | Environmental Chemistry

Probing molecular interactions between humic acid and surface-grafted polyacrylamide using quartz crystal microbalance with dissipation and atomic force microscopy: implications for environmental remediation. Omar Maan A C , Jun Huang B C , Hongbo Zeng B and Qingye Lu A D. + Author Affiliations. Environmental Chemistry 15 (6) 336-350 https

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