الوصف

Name:shell powder;
Characteristics: strong oil removal performance, solid particle removal, easy reverse washing, etc;
Oil removal rate:90－95％;
Backwash strength:25m3/m2.h;
Filtration rate of removal rate of suspended matter:95－98％;
Water flushing pressure:0.32MPa;
Filter speed:20－25m/h;
Proportion:1.5g/cm3;
Heap density:0.8g/cm3;
Application:
1. Oily wastewater treatment in oil fields: deoiling and suspended solids;
2. Water treatment in oil containing industry water: deoiling and suspended solids;
3. Water treatment for industrial water and civilian use water: removal of suspended solids in water and improvement of water quality;
4. Oil field, chemical industry, metallurgy, thermoelectric, printing and dyeing, paper making, wine making, tannery and other industrial sewage treatment and urban water supply and drainage works.
Commonly used specifications:0.5-0.8   0.8-1.2  1.2-1.6  1.6-2.0mm;
Main specifications: 6-10mesh,10-20mesh,20-40mesh,30-60mesh,60-100mesh,100-200mesh;
Technical indicators:
Project              Test data                               Project               Test data  
Particle size           0.4—3mm                           True gravity          2—2.2g/cm3
Adsorption rate of benzene powder ≥450mg/g               Heap proportion          0.45—0.55g/cm3
Strength         ≥80-95%                                 Total pore volume          0.7—1cm3/g
Iodine value         1000—1100mg/g                  Specific surface area         590—1500m2/g
Methylene blue value     100—150mg/g                PH value              8—10
Semi dechlorination value        ≤5                            Ash             ≤8-12%
Water            ≤3                                           Specific heat             -1.00j/g．℃