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Carbonaceous cation exchangers from coal and coal refuse

Softening water with nonmetallic minerals

Published Year

• 1940-1949 (2)

Subject

• Water--Purification--Diatomaceous earth filtration (2)
• Water--Softening (2) *
• Water--Purification (1)
• Water--Purification--Coagulation (1)

Author

• Broderick, S. J. (2)
• Bogard, Dale. (1)

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