1,Molecular weight:300-2000 million 2,Solids content: 90% 3,PH value: 7-14 4,hydrolysis degree 20-30% 5,residual ... COOHPhysiochemical index1,Molecular weight:300-2000 million 2,Solids content ≥90% 3,PH value: 7-14 4,hydrolysis degree 20-30% 5 ... concentration, particle with Yang load, water for neutral or alkaline PH value of wastewater, sewage, steel following wastewater, metallurgy wastewater, ...