- Classification: chemical auxiliary agent
- Appearance: white granule powder
- CAS No.:9003-05-8168
- Type: cationic
- Formula: (C3h5no)N
- Solid Content: 89% Min
- Application：waste water treatment
- Transport Package: 25kg kraft bag
- Delivery: 5-15days after deposit
polymer flocculant pam fundamentals of flocculation polyacrylamide
two-stage vs one-stage polymer mixing. very hmw anionic polymer solution. (prepared in 600 ml beakers) 1-stage mixing: 500 rpm, 20 min. 2-stage mixing: 1200 rpm, 0.5 min followed by 300 rpm, 20 min. two-stage mixing results in polymer solution of much better quality. high energy first: prevent fisheye formation.
wastewater production, treatment, and use in malawi,treatment of wastewater is through a number of systems like the following:- stabilization lagoons; aerated lagoons; wetlands at a smaller scale and for private institutions; trickling filters combined with stabilization lagoons; settlement tanks at a smaller scale.
water soluble polymer flocculants synthesis
polymer adsorption can occur through hydrogen bonding (polyacrylamide on silica silanol groups), electrostatic interaction (cationic polymers on negatively charged sludge), hydrophobic interaction (poly(vinyl alcohol) on silver iodide), and ion bridging (anionic polyacrylamide on negatively charged clays with the help of divalent calcium ion). 7
cationic polyacrylamide emulsion with ultra-high,the ultra-high concentration cationic polymer emulsion samples with molecular weights of 8 million, 12 million, and 14 million were compared with the commercially available cationic polyacrylamide dry powder with a cationic degree of 25% and a molecular weight of 1200. the results are shown below.
best practices guidance for the use of anionic polyacrylamide
anionic vs. cationic pam polyacrylamide can be anionic (negatively charged) or cationic (positively charged). fish have a negative charge on their gill mucous. anionic pams are repelled by the negative charge on fish gills, while cationic pams are attracted to it. as a result, the cationic pam will attach to gills,
synthesising tannin-based coagulants for water and wastewater,this treatment technique is favourable due to its advantages of being low-cost, easy operation and effective in removing water pollutants. the effectiveness of coagulation depends very much on the type of coagulant being selected [1] .
polyacrylamide pam flocculants water treatment industrial use
cationic pam easily adsorbs onto negatively charged clays, while anionic pam can bridge between clay surfaces via multivalent cations. 36 adsorption is enhanced by ion-dipole interactions.
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polyelectrolyte polymers—types, forms, and function
the groups include polyacrylamide (anionic, cationic, and nonionic), polyacrylates (polymeric dispersants, scale inhibitors, and water absorbing polymers), epichlorohydrin-dimethylamine polyacrylamide (epi-dma), polydiallyldimethylammonium chloride (polydadmac’s), and polyethylenimines (pei).
biodegradation of polyacrylamide by anaerobic digestion under,degradation of polyacrylamide accompanied with accumulation of its toxic monomer is important to disposition of biogas residues. the potential of anaerobic digestion activity in microbial utilization of pam was investigated in this study.
research advances in super absorbent polymers pmc
super absorbent polymers can be used as additives in concrete materials to promote internal curing, as adsorbents for removing pollutants and toxic heavy metals from wastewater, as soil conditioners to reduce the adverse effects of drought on plant growth, and as corrosion inhibitors for underground cables, coal dewatering, and food preservation.
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waste-to-value-added customized cationic banana- manufacturer
although adding flocculants is an essential step in wastewater treatment and maintaining the stability of the solid-state in solution to produce a loose cell-like structure, in some instances, polymeric material fails to support this due to specific surface charges. therefore, the current study aimed to develop a cationic form (cbs) obtained from unripe waste bananas as native starch and
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indonesia factory made cationic polymer polyacrylamide pam,polyacrylamide finds applications in pulp and paper production, agriculture, food processing, mining, and as a flocculant in wastewater treatment. polyacrylamide undergoes thermal degradation at … get price
free sample pam/polyacrylamide manufacturer for mine water
polyacrylamide is a linear water-soluble polymer, and is one of the most widely used varieties of water-soluble polymer compounds. pam and its derivatives can be used as efficient flocculants, thickeners, paper enhancers and liquid drag reducing agents, and polyacrylamide are widely used in water treatment, paper making, petroleum, coal, mining,metallurgy, geology, textile, construction and
- What is the range of charge of synthetic polyelectrolytes?
- The range of charge is somewhat limitless and the molecular weight of synthetic polyelectrolytes can vary from 1000 to 10,000,000, depending on the chemistry. This allows for the ability to create and manipulate the desired physical properties of the polymers and their respective performance characteristics.
- Which Polyelectrolytes have the greatest industrial value?
- Synthetic polyelectrolytes that have the greatest industrial value are low cost, easily manufactured, and available in a variety of polymer characteristics (ionic charge and molecular weight) and product forms. Liquid products consist of aqueous solutions, inverse emulsions, and aqueous, oil-free, salt dispersions.
- What are the different types of flocculants?
- Cationic, anionic, and nonionic polyelectrolyte are available for use as flocculants, and all three are extensively used in wastewater treatment [2,9, . ... Coagulation-flocculation processes in water and wastewater treatment.
- Can polyelectrolyte be used for chemical treatment of wastewater?
- The use of polyelectrolyte for chemical treatment of wastewaters with high particulate materials is indicated. The organic polymers provide a process of adsorption and bridging between particles as a more explicit example of flocculation process (Bolto, 1994; Zaharia and Macoveanu, 1994; Haller, 1995;Gregory, 1996).
