In order to achieve the best effect of CPAM/bentonite retention and filtration system,the order of addition of bentonite was tested in the laboratory.In the case of the same addition conditions,the retention rate and water filtration effect is better when adding CPAM first before bentonite.According to the test results,the order of addition of bentonite in large-scale production was adjusted to achieve better results.
CPAMbentoniteparticle retention and drainage systemaddition order