Some Experimental Research Of Soluble Polymer In Environmental Aqueous Phase

In order to study solution behavior of soluble polymer and interaction of soluble polymer and others, HP AM (hydrolysis polyacrylamide) is selected as experimental object. The characteristics of aqueous solution and salt solution of HPAM are studied with viscosity and conductivity. At the same time, the flocculation of AlCl3, PAC, FeCl3 and PFS on HPAM in different concentration HPAM aqueous solution is researched as a function of concentration of residual HPAM, concentration of residual flocculants, viscosity, conductivity and pH.In the study, viscosity and conductivity of HPAM aqueous solution at different temperature are studied. It is found that at a certain temperature viscosity and conductivity of HPAM aqueous solution are linear with concentration. Observed that temperature affects the viscosity of the solution greatly, and their temperature response behaviors are well described byln η=△E/R×1/T+B. In the same way temperature response behaviors of the conductivity are welldescribed by lnK = Ea/R×1/T+B. Based on the actual data, the values of viscosity andconductivity activation energy are also obtained respectively.Moreover, interaction characteristics of HPAM and flocculants are researched. The optimal flocculant dosage of initial concentration HPAM solution 400mg/l is twice the one of initial concentration HPAM solution 200mg/l. Supernatant solution pH varies with flocculant. For initial concentration HPAM solution 200mg/l, a decrease in concentration of residual HPAM with increasing AlCl3 and PFS dose until a plateau is observed, while at the same time, however, a decrease in concentration of residual HPAM with increasing FeCl3 and PAC dose until optimal flocculant dosage and then an increase is observed. For initial concentration HPAM solution 400mg/l, a decrease in concentration of residual HPAM with increasing AICI3, FeCl3 and PFS dose until a plateau is observed, while at the same time, however, a decrease in concentration of residual HPAM with increasing PAC dose until optimal flocculant dosage and then an increase is observed. It is found that the four flocculants can eliminate HPAM availably in wastewater. The viscosity of HPAM supernatant solution is decreased to the same level as that of water. But flocculant AlCl3 is the most suited the one, the rate of removal of HPAM is above 90%. Furthermore the floe size formed is large and dense and has good settleability.