Agents used for improving the bottom and water quality in water

Compositions – Water-softening or purifying or scale-inhibiting agents – Plant or organic material containing

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252180, 252 82, 252 84, 210610, C02F 152, C02F 328

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active

054607442

ABSTRACT:
A method for improving the quality of bottom and water in water areas where sludge is deposited on the bottom. In a sample water area, lime, activated sludge and anaerobic sludge, diatomaceous earth or zeolite, and photosynthesis bacteria solution are spread. Before spreading, the photosynthesis bacteria solution is infiltrated into at least either one of the activated sludge and anaerobic sludge, and the diatomaceous earth or zeolite. For the above method, four kinds of the above agents are prepared in a predetermined proportion, and they are separately packed.

REFERENCES:
patent: 3505213 (1970-04-01), Anthony et al.
patent: 3855121 (1974-12-01), Gough
patent: 4263142 (1981-04-01), Burton
patent: 4879046 (1989-11-01), Kojima
patent: 4895665 (1990-01-01), Colelli et al.
patent: 5011604 (1991-04-01), Wilde et al.
patent: 5387343 (1995-02-01), Iwai et al.

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