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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority to JP8209776ApriorityCriticalpatent/JPS537972A/en
Publication of JPS537972ApublicationCriticalpatent/JPS537972A/en
PURPOSE: To make it possible to treat a drain water containing heavy metals of a high concentration, particularly containing a comparatively large amount of heavy metals, by using a neutralization precipitation process and concurrently a ferrite process.
COPYRIGHT: (C)1978,JPO&Japio
JP8209776A1976-07-091976-07-09Process for treating heavy metals in drain water
PendingJPS537972A
(en)