What is biodegradation of hydrolyzed polyacrylamide?

Biodegradation of hydrolyzed polyacrylamide by the combined expanded granular sludge bed reactor-aerobic biofilm reactor biosystem and key microorganisms involved in this bioprocess Bioresour. Technol., 263 ( 2018), pp. 153 – 162

Can Bacillus megaterium degrade hydrolyzed polyacrylamide (HPAM)?

Bacillus megateriumcould effectively degrade hydrolyzed polyacrylamide (HPAM). Cytochrome P450 played a central role in cleaving the carbon chain of HPAM molecule. Nitrogen removal was mainly catalyzed by urease. Enzymes in different fractions played distinct roles in the biodegradation of HPAM.

Can hydrolyzed polyacrylamide be biodegraded in anaerobic baffled reactor aeration tank?

Biodegradation for hydrolyzed polyacrylamide in the anaerobic baffled reactor combined aeration tank Contribution of hot spring bacterial consortium in cadmium and lead bioremediation through quadratic programming model ( fourth ed.), Chinese Environmental Science Publishing House ( 2002)

Is hydrolyzed polyacrylamide toxic?

Hydrolyzed polyacrylamide (HPAM) is widely used to EOR in many oilfields, and it is generally accepted as a nontoxic polymer. However, under certain physical or chemical conditions, it may degrade and produce acrylamide (AM), which exhibits toxicity to nervous system and damages human health seriously ( Rayburn and Friedman, 2010 ).

Does biodegradation affect hydrolysis of amide groups?

Effect of biodegradation on the hydrolysis of amide groups When HPAM was attacked by the microorganisms and used as nitrogen source, the amide groups of HPAM molecule could be hydrolyzed into carboxylic acid and ammonia. Therefore, the utilization of HPAM as nitrogen source could be certified by the generation of ammonia.

Can waste-activated sludge fermentation improve polyacrylamide biodegradation?

Waste-activated sludge fermentation for polyacrylamide biodegradation improved by anaerobic hydrolysis and key microorganisms involved in biological polyacrylamide removal Methanosarcina: the rediscovered methanogen for heavy duty biomethanation Bioresour. Technol., 112 ( 2012), pp. 1 – 9