여러분, 회수수의 COD를 낮추는 방법이 있나요?
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여러분, 회수수의 COD를 낮추는 방법이 있나요?
회색수에 염소산나트륨이나 과산화수소를 넣어 COD를 낮춰본 사람이 있나요? 효과는 어땠나요?추가량과 추가 비율은 어떻게 되나요?
물 교체를 늘립니다..물을 한 번 더 넣어주세요, 혹은 깨끗한 물로요!
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