FIELD: agriculture.
SUBSTANCE: the present innovation deals with utilization of waste water to prepare liquid wastes of swine complexes and swine farms to be applied for irrigation and fertilization of agricultural lands. The method includes the introduction of alkaline coagulant up to 10-11, then - acidifying agent up to pH 6.5-8.5 followed by isolation of the residue developed. As alkaline coagulant one should apply the waste product during acetylene manufacturing as suspension of calcium carbide slime at the dosage by active calcium oxide being 2.0-3.0 g/cu. dm at constant mixing for 2-5 min. The innovation enables to decrease the price of reactive treatment of waste water, accelerate the process for mixture's sedimentation and decrease the size of sanitary-protective areas of irrigation fields.
EFFECT: higher efficiency.
1 ex, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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|
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