Method of neutralizing acidified surface water

Details Method of neutralizing acidified surface water Method of neutralizing acidified surface water

1993-07-12

1994-03-29

McCarthy, Neil M.

Liquid purification or separation

Processes

Including geographic feature

210724, 210749, 2101981, C02F 166

Patent

active

052981738

ABSTRACT:
Blocks, weighing about 35 lbs., formed of a homogeneous mixture of about 75% gypsum and 25% lime, are strategically placed in surface water that is being damaged by acid rain, where, by timed release of lime, the pH of the water is maintained at about 6.5 pH.

REFERENCES:
patent: 2546586 (1951-03-01), Cross, Jr.
patent: 3414462 (1968-12-01), Cafferata
patent: 4822579 (1989-04-01), Wagner
patent: 5039427 (1991-08-01), Conover
patent: 5158835 (1992-12-01), Burke

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