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Dust from steel manufacturing is example for __________ waste category.

(a) Organic aqueous

(b) Inorganic aqueous

(c) Organic liquid

(d) Inorganic sludge

This question was addressed to me in homework.

Question is taken from Engineering System Classification topic in chapter Classification of Hazardous Waste of Hazardous Waste Management

1 Answer

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by (424k points)
The correct answer is (d) Inorganic sludge

The best I can explain: Emission of controlled dust from steel manufacturing, dust from de-burning and chromium parts in fabricated metal industry are example of inorganic sludge waste.

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