Biodegradation of Partially Hydrolyzed Polyacrylamide HPAM
Bao, M., Chen, Q., Li, Y., and Jiang, G. 2010. Biodegradation of partially hydrolyzed polyacrylamide by bacteria isolated from production water after polymer flooding in an oil field. Journal of Hazardous Materials 184(1–3): 105–110.
Biodegradation of hydrolyzed polyacrylamide by a Bacillus megaterium strain SZK-5: Functional enzymes and antioxidant defense mechanism. Q. Chen, Y. Li, G. JiangBiodegradation of partially hydrolyzed polyacrylamide by bacteria isolated from production water after polymer flooding in an oil field.
Biodegradation of partially hydrolyzed polyacrylamide
Number of times cited according to CrossRef: 5. Liang Dong, Fei Su, Yong‐Zhong Wang, Treatment of partially hydrolyzed polyacrylamide by mixed bacteria isolated from wastewater, Environmental Progress & Sustainable Energy, 10.1002/ep.13445, 0, 0, (2025).
Polyacrylamide degrading microbes have commonly been isolated from environments in which these polymers are used, such as polyacrylamide treated fields, oil sands tailings, oil fields, activated sludges etc., but also soil microbes have been shown to be capable of polyacrylamide catabolism (Guezennec et al., 2015; Joshi and Abed, 2017).
Polyacrylamide degradation and its implications
High molecular weight (106–3 × 107 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity modifier and friction
Polyacrylamide (PAM) is a water-soluble polymer that is widely used as a flocculant in sewage treatment. The accumulation of PAM affects the formation of dewatered sludge and potentially produces hazardous monomers. In the present study, the bacterial strain HI47 was isolated from dewatered sludge.
Bioaugmentation for polyacrylamide degradation in a
The sulphate‐reducing bacteria strain H1 with the function for Hydrolysed Polyacrylamide (HPAM) degradation was isolated from a curing pot in the HPAM distribution station of Daqing Oil Field
(iii) Isolated bacteria mineralized hydrocarbons at ambient low temperatures. Significance and Impact of the Study To the best of our knowledge, this is the first rhizospheric exploration examining the phytoremediation potential of five A rctic plants and evaluating their microbial hydrocarbon‐degrading capacities.
Characterization of a cryptic plasmid pSM429 and its
Pseudoalteromonas is an important genus widespread in marine environment, and a lot of psychrophilic Pseudoalteromonas strains thrive in deep sea and polar sea. By now, there are only a few genetic systems for Pseudoalteromonas reported and no commercial Pseudoalteromonas genetic system is available, which impedes the study of Pseudoalteromonas, especially for psychrophilic strains.
Thiovirga is a group of sulfur oxidizing bacteria that has been found in landfill cover soil together with other sulfur oxidizing and sulfate reducing bacteria involved in sulfur bioconversion . Tolumonas is a facultative anaerobic Gammaproteobacteria, which was previously isolated from wastewater and anoxic sediment of a fresh water lake [ 41
A Novel Propane Monooxygenase Initiating Degradation of 1
The isolated strain effectively utilized 1,4-dioxane as a sole carbon and energy source and was able to degrade 900 mg/L 1,4-dioxane in minimal salts medium within 15 days. The key degrdn. products identified were 1,4-dioxane-2-ol and ethylene glycol, produced by monooxygenation.
Didecyldirhethylarrmionium chloride (DDAC) has been described as one of the most effective quaternary ammonium compound (QAC) wood preservatives, based on laboratory experiments. Subsequently, QAC-treated stakes failed rapidly in field tests. It was suggested that the degradation of QACs by mould and stain fungi had reduced the efficacy of QACs. This thesis describes a study of the role that
- What is partially hydrolyzed polyacrylamide (PHPA)?
- Partially hydrolyzed polyacrylamide (PHPA) is a widely used polymer in the oil and gas industry due to its lesser cost and good water solubility. PHPA is used as a functional additive in water-based drilling fluids. The PHPA mud system stabilizes shale formations and influences cuttings and wellbore stability.
- What does partially hydrolyzed polyacrylamide mean?
- What Does Partially Hydrolyzed Polyacrylamide Mean?
- Partially hydrolyzed polyacrylamide (PHPA) is a widely used polymer in the oil and gas industry due to its lesser cost and good water solubility. PHPA is used as a functional additive in water-based drilling fluids.
- How does PHPA affect fluid rheology?
- The introduction of higher molecular weight synthetic polymers typified by partially hydrolysed polyacrylamide (PHPA) allowed the same effect on fluid rheology to be achieved at much lower additive concentrations, a major practical advantage.
- What is a PHPA molecule?
- The molecule of this polymer is a flexible chain which remains in coil-like structure in the absence of a shearing effect. The application of PHPA is limited due to high temperature and salinity (Uddin et al. 2002 ).
