Counter-seepage installment

The counter-seepage technology is one kind of high tech water treatment technology ,it depends upon the counter-seepage membrane to cause in the solution under the pressure the resolver and the solute separation characteristic work ,”the seepage” is one physical phenomenon , the counter seepage is in includes salty and in each slight impurity water(i.e. raw water )exerts compared to the nature seeps a more tremendous pressure ,causes the water from a density low side ,but in the raw water the 0verwhelming majority slight impurity ,the organic matter ,the heavy metal ,the bacterium ,the virus and other deleterious substances and so on pass through the outlet of sewer to discharge.