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Darkening light-color soils with coal-mine waste

Carbonaceous cation and anion exchangers in water treatment

Activated carbon from coal refuse for water purification

Carbonaceous cation exchangers from coal and coal refuse

Softening water with nonmetallic minerals

Published Year

• 1940-1949 (5)

Subject

• Water--Purification (3)
• Water--Purification--Diatomaceous earth filtration (2)
• Water--Softening (2)
• Coal (1)
• Coal mine waste--United States (1)
• Sewage--Purification (1)
• Water--Purification--Coagulation (1)

Author

• Broderick, S. J. (5) *
• Bogard, Dale. (1)
• Hertzog, E. S. (1)

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