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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine 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 Toshiba Machine Co LtdfiledCriticalToshiba Machine Co Ltd
Priority to JP12702276ApriorityCriticalpatent/JPS5353156A/en
Publication of JPS5353156ApublicationCriticalpatent/JPS5353156A/en
PURPOSE: To permit reliable purification of waste liquid containing water-soluble cutting oil in a short period of time through treatments of separation of floating precipitate such as oil based upon changes of pH or the like, filtration, inverse osmosis and oxidation.
COPYRIGHT: (C)1978,JPO&Japio
JP12702276A1976-10-221976-10-22Method of treating waste liquid
PendingJPS5353156A
(en)
Method of purifying waste liquid produced from photographic treatment using sulfur bacteria and method of recoveryof silver from waste liquid of photographic treatment