The CDG system is a cross-linked polymer system, composed of partially hydrolyzed polyacrylamide (HPAM, 150 mg/L) and a-luminum citrate (AlCit) aqueous solution.

• 此CDG体系是由150mg/L部分水解聚丙烯酰胺与柠檬酸铝形成的交联聚合物体系。