Title:
【発明の名称】電気透析法を用いる水酸化オニウムの製造又は精製の方法
Document Type and Number:
Japanese Patent JP2002531265
Kind Code:
A
Abstract:
Methods of preparing or purifying onium hydroxides of the elements N, S or P by electrodialysis involve an electrodialysis apparatus comprising one or more cell units, each cell unit comprising a bipolar membrane and an anion-selective membrane, and a bipolar membrane or a cation-selective membrane being located on the anode side between the last anion-selective membrane and the anode.
Inventors:
Jork Botzel
Liner coverr
Marx Frede
Liner coverr
Marx Frede
Application Number:
JP2000586674A
Publication Date:
September 24, 2002
Filing Date:
December 06, 1999
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
B01D61/44; C02F1/469; B01D61/46; C07C209/68; C07C209/84; C07C211/63; C07F9/54; C25B3/00; (IPC1-7): B01D61/46; C02F1/469
Attorney, Agent or Firm:
Toshio Yano (4 outside)