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Anaerobic biodegradation of partially hydrolyzed polyacrylamide in long-term methanogenic enrichment cultures from production water of oil reservoirs

Biodegradation of HPAM is a potentially promising strategy for deal … The increasing usage of partially hydrolyzed polyacrylamide (HPAM) in oilfields as a flooding agent to enhance oil recovery at so large quantities is an ecological hazard to

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Biodegradation of Polyacrylamide and Its Derivatives — Sultan Qaboos University House of Expertise

TY – JOUR T1 – Biodegradation of Polyacrylamide and Its Derivatives AU – Joshi, Sanket J. AU – Abed, Raeid M.M. PY – 2017/6/1 Y1 – 2017/6/1 N2 – Although polyacrylamide (PAM) and its derivatives have many useful applications, their release in

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Potential of hydrolyzed polyacrylamide biodegradation to final products through regulating its own nitrogen transformation in different dissolved

Potential of hydrolyzed polyacrylamide (HPAM) biodegradation to final products was studied through regulating its own nitrogen transformation. Under the conditions of 2, 3 and 4 mg/L of DO, HPAM removal ratio reached 16.92%, 24.51% and 30.78%

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Efficient degradation of polyacrylamide using a 3-dimensional ultra-thin SnO2-Sb coated electrode – ScienceDirect

Polyacrylamide (PAM) is widely used in polymer flooding processes to increase oil recovery while the byproduct of PAM-containing wastewater is a serious environmental issue. In this study, electrochemical oxidation process (EAOP) was applied for

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Application of Biodegradable Polymers on Hydroseeding | Scientific.Net

Erosion soil loss is an important problem to be solved. Polyacrylamide (PAM), a biodegradable polymer, has been used in irrigating ditch to reduce soil loss for a long time. It can also be used as an aggregate agent to keep the balance of soil

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Kinetics and thermodynamics of biodegradation of hydrolyzed polyacrylamide under anaerobic and aerobic conditions

Kinetics and thermodynamics of hydrolyzed polyacrylamide (HPAM) biodegradation in anaerobic and aerobic activated sludge biochemical treatment systems were explored to determine the maximum rate and feasibility of HPAM biodegradation. The optima

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Waste-Activated Sludge Fermentation for Polyacrylamide Biodegradation Improved by Anaerobic Hydrolysis and Key Microorganisms Involved in

6/7/2015 · Yonter, G. & Uysal, H. Effects of polyacrylamide (PAM) applications on water erosion and crust formation for different types of soils in Menemen Plain, Terkey. J. Food Agric. Environ. 9, 642–647

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Polyacrylamide – an overview | ScienceDirect Topics

Polyacrylamide (PAA) Polyacrylamides are water-soluble synthetic linear polymers made of acrylamide or the combination of acrylamide and acrylic acid. Polyacrylamide finds applications in pulp and paper production, agriculture, food processing,

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Transfer and degradation of polyacrylamide-based flocculants in hydrosystems: a review | SpringerLink

26/9/2014 · The aim of this review was to summarize information and scientific data from the literature dedicated to the fate of polyacrylamide (PAM)-based flocculants in hydrosystems. Flocculants, usually composed of PAMs, are widely used in several

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Polyacrylamide – an overview | ScienceDirect Topics

Polyacrylamide hydrogel (PAH) is an extensively cross-linked polymeric soft tissue filler substance, that has been used in the Ukraine, Russia, and Cooking for the past 15–20 years (Christensen et al., 2003; Christensen and Breiting, 2006 ). It

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Biodegradation of Partially Hydrolyzed Polyacrylamide HPAM Using Bacteria Isolated from Omani Oil Fields | SPE EOR Conference at Oil and Gas West

26/3/2018 · In present study the biodegradation of partially hydrolyzed polyacrylamide (HPAM) by bacterial strains isolated from Omani oil fields was analyzed. HPAMs are extensively used in oil fields for enhanced oil recovery operations. The produced water

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Biodegradation of Superabsorbent Polymers in Soil

Biodegradation of two superabsorbent polymers, a crosslinked, insoluble polyacrylate and an insoluble polyacrylate/ polyacrylamide copolymer, in soil by the white-rot fungus

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Application of biodegradation in mitigating and remediating pesticide contamination of freshwater resources: state of the art and challenges for

30/7/2016 · In recent years, the application of pesticide biodegradation in remediation of pesticide-contaminated matrices moved from remediating bulk soil to remediating and mitigating pesticide pollution of groundwater and surface water bodies.

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Polyacrylamide

Polyacrylamide (abbreviated as PAM) is a polymer with the formula (-CH2CHCONH2-). 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

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Potential application of catalase-peroxidase from Comamonas terrigena N3H in the biodegradation of phenolic compounds | SpringerLink

Comamonas terrigena N3H is a gram-negative rod-shaped bacterium that was isolated from contaminated soil in Slovakia. This bacterium showed remarkable biodegradation properties. We investigated the expression and functioning of two catalase

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Biodegradation of polymers – NOPR: Home

PREMRAJ & DOBLE: BIODEGRADATION OF POLYMERS 189 water-soluble polymers, such as polyacrylamide and polyacrylic acid. Among the vinyl polymers produced industrially, PVA is the only one known to be mineralized by microorganisms. PVA is water

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Combination of biochar and immobilized bacteria accelerates polyacrylamide biodegradation in soil by both bio-augmentation and bio-stimulation

Polyacrylamide (PAM) has been used extensively due to its well-known stable chemical properties, but limited information is available on the biodegradation of soil-containing PAM. In this work, sufficient degradation of PAM was achieved via the

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Microbial biodegradation

Microbial biodegradation is the use of bioremediation and biotransformation methods to harness the naturally occurring ability of microbial xenobiotic metabolism to degrade, transform or accumulate environmental pollutants, including

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What is Polyacrylamide|PAM FAQ

Polyacrylamide Knowledge 1. What is polyacrylamide PAM? Polyacrylamide is a polymer (-CH2CHCONH2-) formed from acrylamide subunits, it is long-chain polymer (same molecule repeating itself many times) designed to attract either positively

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