ethiopia best efficiency papermaking sludge PAM polyacrylamide

Classification: chemical auxiliary agent
Appearance: white/light yellow granule or powder
CAS No.:9003-05-7287
Type: cationic,anionic
Formula: (C3h5no)N
Solid Content: 88%min
Application：water treatment
Transport Package: 25kg/bag, 1000kg/bag, customized package
Delivery: 3-7day

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polyacrylamide (pam), a linear water-soluble polymeric compound with a high molecular weight, is widely used in wastewater treatment processes 1,2, papermaking 3, soil conditioning 4,5, irrigation

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the multistage contact reactor (r1) showed an excellent pam treatment performance. cod and nh 4-n was removed by 96.4% and 97.2% in r1. the reactor with multistage decrease the sludge yield coefficient to 0.062. the multistage system could couple anammox to increase t-n removal efficiency to 82%.

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polyacrylamide (pam) and its derivatives play a pivotal role in various facets of hydrocarbon development. proper application and treatment of pam have the potential to enhance hydrocarbon

polymer flocculant pam fundamentals of flocculation,emulsion: 6 months, un-opened drum/tote. dry: up to 3 years, un-opened bag. polymer solution: depends of concentration, water quality. storage temperature: 40 f 90 f. do not allow emulsion to freeze. once frozen, thaw in heated area and mix well. handling. wear latex gloves and eye protection.

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organopol 5415 is a cpam with very high molecular weight and low charge density. it is the best among the cpam studied since it can achieve 95% reduction of turbidity at the dosage of 5 mg l −1. organopol 5450 is the least efficient among the cpam studied. it can only achieve 89% turbidity reduction at a dosage of 15 mg l −1.

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polyacrylamide (hpam), a co-polymer of acrylamide and acrylic acid, is the most widely used anionic pam in oil and gas development as well as in soil conditioning. 1 , the most

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cationic polyacrylamide, is a white powder water -soluble polymer which is polymer pam polyacrylamideized by cationic monomer and acrylamide. it has the function of decolorizing, adsorbing, turbid eliminating and bonding. it generate a good flocculation and can decrease the resistance between liquids.

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Does polyacrylamide biodegradation accumulate acrylamide monomers?
The biodegradation did not accumulate acrylamide monomers. Based on the SDS-PAGE and N -terminal sequencing results, the PAM amide groups were converted into carboxyl groups by a PAM-induced extracellular enzyme from the aliphatic amidase family. Keywords: polyacrylamide, biodegradation, dewatered sludge, microorganisms 1. Introduction
Is polyacrylamide a hazardous monomer?
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.
Can acrylamide be biodegraded?
Biodegradation of PAM and its derivatives has been studied only in the last two decades, with most emphasis on acrylamide biodegradation. Microorganisms have been shown to utilize, not only acrylamide, but also PAM and its derivatives as the sole source of nitrogen and/or carbon under aerobic as well as anaerobic conditions.
Can fungi degrade acrylamide?
Some fungi and yeasts could degrade 60–80% of acrylamide. The biodegradation of PAM and its derivatives are initiated by the enzyme amidase, either under aerobic or anaerobic conditions, and are further degraded partially or completely by an array of different enzymes.