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What is spent sludge?

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What is spent sludge?

Posted by Jiya Arora 6 years, 9 months ago

CBSE > Class 07 > Science

1 answers

Ayush Kumar Rout 6 years, 9 months ago

Spent catalyst, stone sludge, limestone sludge, and iron-oxide sludge were used as raw materials in the tests. Spent catalyst was taken from the Taoyuan Refinery Plant. ... Limestone sludge is composed of 50% CaO that is potential to be a substitute for mineral limestone as raw material of cement.

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Few rules to keep homework help section safe, clean and informative.

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