... golden yellow, tawny, reddish brown granule/FlakePAC use precautions, and dosage1, according to the different raw water conditions, can do ... coal washing waste water recovery of starch, starch manufacture.E, industrial wastewater treatment: wastewater from printing and dyeing, ... , shade, and do not damp. How to use1, use should be made according to the quality scale, elect water purification effect ...