Denim Jean Wastewater Treatment About Water Decoloring Agent, Please visit http://mao.ecer.com/index.php?r=product/edit&pid=20318165 About Polyacrylamide, Please visit http://mao.ecer.com/index.php?r=product/edit&pid=14002164 Experiment Process Chemical Reagents Dosage(g/T wastewater) Step 1 Water ...