EP 0984899 A1 20000315 - METHOD FOR PREPARING AN ULTRAPURE HYDROGEN PEROXIDE SOLUTION BY ION EXCHANGE WITH AN ANIONIC-CATIONIC-ANIONIC-CATIONIC SEQUENCE
Title (en)
METHOD FOR PREPARING AN ULTRAPURE HYDROGEN PEROXIDE SOLUTION BY ION EXCHANGE WITH AN ANIONIC-CATIONIC-ANIONIC-CATIONIC SEQUENCE
Title (de)
VERFAHREN ZUR HERSTELLUNG EINER HOCHREINEN WASSERSTOFFPEROXIDLÖSUNG MITTELS IONENAUSTAUSCH IN DER REIHENFOLGE: ANIONISCH - KATIONISCH - ANIONISCH - KATIONISCH
Title (fr)
PROCEDE DE PREPARATION D'UNE SOLUTION ULTRA-PURE DE PEROXYDE D'HYDROGENE PAR ECHANGE IONIQUE SEQUENCE: ANIONIQUE-CATIONIQUE-ANIONIQUE-CATIONIQUE
Publication
Application
Priority
- FR 9801057 W 19980527
- FR 9706470 A 19970527
Abstract (en)
[origin: FR2763930A1] The invention concerns a method for preparing an ultrapure hydrogen peroxide solution, characterised in that it comprises a sequence which involves successively passing said solution on at least four beds of cation-exchanging adsorbents (AEC) and anion-exchanging adsorbents (AEA) following the sequence: AEA } AEC } AEA } AEC.
IPC 1-7
IPC 8 full level
B01J 39/04 (2006.01); B01J 41/04 (2006.01); C01B 15/013 (2006.01)
CPC (source: EP KR US)
C01B 15/013 (2013.01 - KR); C01B 15/0135 (2013.01 - EP US)
Citation (search report)
See references of WO 9854087A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
FR 2763930 A1 19981204; FR 2763930 B1 19990730; AU 8022798 A 19981230; EP 0984899 A1 20000315; JP 2002500611 A 20020108; KR 20010013062 A 20010226; TW 445174 B 20010711; US 5961947 A 19991005; US 6214225 B1 20010410; WO 9854087 A1 19981203
DOCDB simple family (application)
FR 9706470 A 19970527; AU 8022798 A 19980527; EP 98928366 A 19980527; FR 9801057 W 19980527; JP 50032899 A 19980527; KR 19997011041 A 19980527; TW 87107890 A 19980521; US 27375599 A 19990322; US 86796197 A 19970603