利用湿法与离心分离法净化机理，研制出旋风喷雾油烟净化装置。
Utilizing the purification mechanism of wet method and centrifugation, develops a set of cooking smoke purification device.
用厌氧生物净化法净化此工艺废水，可使净化效率达到93%以上。
The purification rate could amount to more than 93 % by anaerobic method.
介绍了净化再生酸的静置分层法，将处理剂anpa加入再生酸中，搅拌后静置，使再生酸分层分离而得到净化。
A standing and layering process for the regenerated acid purification is described. The treating agent ANPA is added in regenerated acid and stood after agitation to purify it through layering.
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