Coke sharar ruwa ne samar da lokacin bushewa coal distillation da kuma sinadarai kayayyakin sake dawo, yafi da phenol, ammonia da sauran sharar ruwa, asali sharar ruwa sauki oxidation da duhu launin ruwan kasa, da m wari, biochemical m. A halin yanzu, ruwan sharar gida mai zafi yana amfani da hanyoyin maganin halitta.

2. Ingancin ruwa

Ingancin ruwan sharar gida na wasu coking masana'antu kamar haka:

COD＜1200 mg/L BOD＜400 mg/L NH3N＜150mg/L

Phenol 100-250 mg / L sulfide 120 mg / L HCN15 mg / L

Ma'auni na biyu a cikin ƙasashe masu zuwa (GB8978-1996) "Ka'idodin fitar da ruwan datti".

3. Tsarin aiki:

Sharar ruwa → daidaitawa tafkin → oblique bututun kawar da man fetur tafkin → Air floating na'urar → tsakiyar ruwa tafkin → anaerobic amsa tafkin → oxygen deficiency tafkin → aerobic tafkin → radiant precipitation tafkin → sake amfani ko waje drainage

4. Abubuwa:

1, amfani da anaerobic-aerobic, za a iya cire NH4 +-N a cikin ruwa, don fitar da ruwa zuwa daidaitattun.

2, aiki shirye-shirye, sauki sarrafawa.