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Polyacrylamide and its derivatives can be used as effective flocculant, thickening agent , paper intensifier and liquid drag reducer etc.. It is widely used in industries including water treatment, paper making, petroleum, coal, light textile and building etc.

 

PAM is a kind of line typehigh polymer, easily soluble in water, almost insoluble in benzene,ether, esters and acetone, non dangerous products, non toxic, non corrosive, density:(g)ml:23^oC1.302, glass temperature:153^oC.

 

 

Anionic Polyacrylamide(APAM) APAM is white powder. The APAM with the molecular weight of 4 million-25 million has good water solubility, and it can be dissolved in water by arbitrary proportion but not in organic solvents. It has the characteristics of high-polymer electrolyte in the neutral and alkaline medium, and it is sensitive to the electrolyte salt. And it can be cross-linked into insoluble gel with the high valence metal ions. Use:  (1) Industrial waste water treatment: For the neutral or alkaline waste water with pH value of 7-14, large suspended particles and ions of positive charge, it has the best treating effect, such as the waste water from iron industry, electroplating factory, metallurgical industry, coal washing, etc.. (2) Drinking water treatment:                            When the drinking water still does not meet the standard after the treatment of the precipitation and filtering, then the APAM can be used as the flocculant. Its dosage is 2%-5% of that of the inorganic flocculants, but the effect of former is dozens of times of that of latter. (3) It can be used for the recycling of the loss of brewers' grains in the alcohol plant and starch in the starch factory. (4) It can be used as the water block agent in the oil field, and also the oil-displacing agent during the tertiary recovery. (5) It can be applied in the paper-making industry. It can be used as the dispersant, retention aid, etc. in the long fiber paper-making, and also the flocculant for the waste water from the paper-making.   Chemical Indices    Molecular weight (million) 18-25 15-17 10-14 8-10 6-8 4-5 Solid content (%) ≥90 ≥90 ≥90 ≥90 ≥90 ≥90 Hydrolysis degree (%) 20-30 15-30 15-30 10-30 8-15 8-10 Residual monomer (%) 0.05-0.1 0.05-0.1 0.05-0.1 0.05-0.1 0.05-0.1 0.05-0.1 Effective pH value 7-14 7-14 7-14 7-14 7-14 7-14 Appearance White powder/granule

 

 

Cationic Polyacrylamide(CPAM)  

Mainly used in urban sewage treatment, paper industry, food processing industry petrochemical industry, mill run industry, dyeing industry and sugar industry and so on.

It is the white powder with the molecular weight from 5,000,000 to 12 000 000. The CPAM with the icon degree from 20% to 80% has good water solubility, and it can be dissolved in the water by the arbitrary proportion but not the organic solvent. Besides,it has the characteristics of high-polymer electrolyte,and it can be applied inthe treatment of waste waterrich in organics with negative charge.

Use                                                      

(1) Sludge dewatering.

(2) Domestic and organic water treatment: It is positive in charge in the acid, neutral and alkaline medium.

(3) The intensifier in the paper making industry.

(4) It can be used as the additive chemicals in the oil field.

Chemical Indices

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