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Page 1 South Africa South Korea (Republic Of Korea) Chemical Auxiliary Agent CAS No.:-8 Other Names: PAM MF: C5H5NO)n EINECS No.: Purity: 98% Place of Origin: He China (Mainland) Type: wate treatment biodegradation of high purity polyacrylamide distributors .
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Polyacrylamide (IUPAC poly(2-propenamide) or poly(1-carbamoylethylene), abbreviated as PAM) is a polymer (-CH 2 CHCONH 2-) formed from acrylamide subunits. It can be synthesized as a
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Mar 01, 2016 · Biodegradation of polyacrylamide by bacteria iso- ence of high application rates of polyacrylamide on. microbial metabolic potential in Material Safety Data Identification Product
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Biodegradation of Polyacrylamide and Its Derivatives
Polyacrylamide (PAM) is a long chain, linear, water soluble polymeric substance formed from acrylamide (C 3 H 5 NO) subunits, has a high molecular weight of typically from few 1000 to 20 × 10 6 g/mol, and has a very high viscosity in aqueous solutions, depending on the concentration and the degree of polymerization (Sojka et al. 2007 ).
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Biodegradation of Polyacrylamide and Its Derivatives
Polyacrylamides (PAMs) are xenobiotic polymers consisting of covalently linked carbon atoms (-CH2-CH2), unlike the an-hydro bonds of many biological polymers. Although the carbon chains are resistant 57 View 3 excerpts, references background Biodegradation of acrylamide by Enterobacter aerogenes isolated from wastewater in Thailand.
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The time course of the PAM degradation of HWBI in the MSMP is shown in Fig. 2 (a). 49% of the initial PAM in the culture broth was degraded in the first 24 h cultivation, with a 74% removal of PAM achieved following 96 h cultivation. The time course of PAM degradation by HWBII in the MSMP is shown in Fig. 2 (b).
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Water-soluble polyacrylamide is commercially available in different domains of industry, such as water purified, paper making, pharmacy, agriculture and oil exploitation. Especially polyacrylamide is used for polymer displacement, which can enhance oil recovery through increasing the sweeping efficiency.
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Biodegradation of Polyacrylamide and Its Derivatives
Polyacrylamide (PAM) is a long chain, linear, water soluble polymeric substance formed from acrylamide (C 3 H 5 NO) subunits, has a high molecular weight of typically from few 1000 to 20 × 10 6 g/mol, and has a very high viscosity in aqueous solutions, depending on the concentration and the degree of polymerization (Sojka et al. 2007 ).
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PAM is currently used as a soil conditioner on ~800,000 ha 33 of irrigation land in the U.S., corresponding to 900–18,000 tons of PAM per year. PAM binds with soil particles through electrostatic...
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The initial polyacrylamide concentration of 10 g l −1 was reduced by 16% and 19%, by Bacillus sphaericus No. 2 and Acinetobacter sp. No. 11, respectively. The molecular weight of polyacrylamide was shown by SEC to reduce from 2 300 kDa to 500 kDa during the Acinetobacter sp. No. 11 cultivation ( Matsuoka et al., 2002 ). 4.2.
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Polyacrylamide (PAM), particularly high molecular PAM (>10 7 Dal), with a viscosity of over 58 centipoise (cp), has been increasingly used for enhanced oil recovery in oilfields ( Sheng 2014 ). Produced water generated during enhanced oil recovery contains high concentration of PAM, which should be removed before discharge ( Yan et al. 2016 ).
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Tenebrio molitor larva is well studied and capable of biodegrading polystyrene (PS), polyethylene (PE), polypropylene (PP), and polyvinyl chloride (PVC) in their digestive intestine in synergy with their gut microflora.
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AFRICA AGRO CHEMICALS (PTY) LTD No. 25 Main Street,Alberton, Sou Contact Now Textile Auxiliary Chemicals Polyacr FOB Price: 800 ~ 1000 / Ton ( Negotiable ) Get Latest Price Business Type: Trading No. of Employees: 51-100 Annual Sales Volume: 2.5 10 Tags: Polyacrylamide Deltal Trading 13 Banfield Rd, Johannesburg, Sout Contact Now
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