Saturday, September 28, 2002 10:23 PM - tranducdung18881@ - tp.hcm -Xin cho hoi cach xu ly nuoc gieng khoan co phen, voi bang phuong phap thu cong.

VLINH: Chao anh Dung, thuong phen sat duoc xu ly nhu sau:
- Sau khi hut nuoc gieng len, cho chay qua mot dan mua (dàn mưa) de oxy hoa Fe. Sau do, khi qua be lang co the dung mot it thuoc tim (KMnO4) de khu them Fe con lai.
- De xu ly phen nhom: cho them EDTA vao be lang.

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