JAPAN ALSI CO.,LTD.
JAPAN ALSI CO.,LTD. Patent applications | ||
Patent application number | Title | Published |
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20150027947 | ACTIVATED SLUDGE TREATMENT METHOD, AND METHOD FOR UPGRADING EXISTING WASTE WATER TREATMENT EQUIPMENT USING SAID METHOD - The object is to provide an activated sludge treatment method whereby production of excess sludge is brought substantially to zero; and a method for upgrading existing waste water treatment equipment, employing this method. The method includes a step (1) in which sludge ( | 01-29-2015 |