Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Chemical Co LtdfiledCriticalHitachi Chemical Co Ltd
Priority to JP1768176ApriorityCriticalpatent/JPS52100651A/en
Publication of JPS52100651ApublicationCriticalpatent/JPS52100651A/en
PURPOSE: To improve the shortening of dry time and the reduction of BOD, COD, Ammonia nitrogen and phosphoric acid ion by setting the process of alkali treatment and mineral acid treatment in the method which treats original urine by a vacuum system concentrative dryer.
COPYRIGHT: (C)1977,JPO&Japio
JP1768176A1976-02-191976-02-19Method for urine dry treatment
PendingJPS52100651A
(en)