Coal chemical wastewater
Kev lag luam thee-derived chemical siv thee ua raw khoom rau kev hloov pauv thiab siv, thiab cov dej khib nyiab feem ntau suav nrog peb yam: coking wastewater, coal gasification wastewater thiab thee liquefaction wastewater. Cov dej khib nyiab zoo yog qhov nyuaj, tshwj xeeb tshaj yog cov ntsiab lus siab ntawm COD, ammonia nitrogen, phenolic tshuaj, thiab ib txhij muaj fluoride, thiocyanide thiab lwm yam tshuaj lom. Kev lag luam thee chemical muaj kev siv dej ntau, nrog rau cov dej khib nyiab siab. Kev loj hlob thiab kev loj hlob sai ntawm cov thee tshuaj lom neeg kev lag luam tau coj cov teeb meem tseem ceeb ntawm ib puag ncig, thiab tsis muaj cov cuab yeej kho dej khib nyiab tau dhau los ua ib qho tseem ceeb txwv txoj kev loj hlob ntxiv.