Invention Grant
- Patent Title: Process for removing heavy-metal ions from aqueous solution
- Patent Title (中): 从水溶液中除去重金属离子的方法
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Application No.: US180056Application Date: 1980-08-20
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Publication No.: US4323458APublication Date: 1982-04-06
- Inventor: Hiroyuki Uejima , Masahide Hirai , Tsutomu Sakaida
- Applicant: Hiroyuki Uejima , Masahide Hirai , Tsutomu Sakaida
- Applicant Address: JPX Hyogo
- Assignee: Unitika Ltd.
- Current Assignee: Unitika Ltd.
- Current Assignee Address: JPX Hyogo
- Priority: JPX52/110099 19770912
- Main IPC: B01D15/00
- IPC: B01D15/00 ; B01J20/26 ; B01J45/00 ; C02F1/28 ; C02F1/42 ; C08G8/00 ; C08G8/36 ; C08G14/06 ; C08G14/12
Abstract:
An etherified phenolic chelate resin prepared by stabilizing and protecting the chelate groups of a phenolic chelate resin and then converting some or all of the phenolic hydroxyl groups into either groups; a process for the production of the etherified phenolic chelate resin; and a method for separating a heavy metal ion from an aqueous solution having a pH of at least 7 by using this etherified phenolic chelate resin.
Public/Granted literature
- US6039852A Bipolar plate for filter press electrolyzers Public/Granted day:2000-03-21
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