发明名称 |
METHOD AND APPARATUS FOR PRODUCING FEED ADDITIVE |
摘要 |
PROBLEM TO BE SOLVED: To provide a method and an apparatus for producing a feed additive, in which animalcules can be stably cultured and obtained as raw material of the feed additive, even if raw water has heavy load or load fluctuation is large.SOLUTION: The method for producing a feed additive by a main treatment apparatus 2 comprises: a first biological treatment step of introducing organic waste water to a first biological treatment tank 10 and performing aerobic bacterial treatment by bacteria to obtain first biological treatment liquid containing dispersible bacteria; a second biological treatment step of introducing the first biological treatment liquid to a second biological treatment tank 20 and performing activated sludge treatment to obtain second biological treatment liquid; and a sludge separation step of taking out a part of in-tank sludge in the second biological treatment tank to obtain it as raw material of the feed additive; wherein at least a part of the organic waste water is supplied and subjected to treatment to a sub treatment apparatus 3 so that the load of the first biological treatment tank 10 is not greater than prescribed load. |
申请公布号 |
JP2015221021(A) |
申请公布日期 |
2015.12.10 |
申请号 |
JP20140107220 |
申请日期 |
2014.05.23 |
申请人 |
KURITA WATER IND LTD |
发明人 |
AZUMA HIROMI;FUKASE TETSURO |
分类号 |
A23K1/00;A23K1/16;A23K1/18;C02F3/00;C02F3/12 |
主分类号 |
A23K1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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