REMOVAL OF AL-SALTS, HCL, NACL AND ORGANIC BY-PRODUCT FROM STRONG ALKALINE DIOPAT SUSPENSION BY MEANS OF ALKALINE STABLE NANOFILTRATION FOLLOWED BY SEPARATION OF SALTS AND BYPRODUCTS AFTER NEUTRALIZATION OF DIOPAT SOLUTION BY MEANS OF ULTRAFILTRATION

The present invention provides an improved process for isolating 2,4-bis-(2,4-dihydroxyphenyl)-6-(4-methoxyphenyl)-1,3,5-triazine (DIOPAT) from an aqueous alkaline mixture M having a pH of 10 or more and comprising the 2,4-bis-(2,4-dihydroxyphenyl)-6-(4-methoxyphenyl)-1,3,5-triazine, 2,4-dihydroxybe...

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Bibliographische Detailangaben
Hauptverfasser: NAGEL, Johannes, JACQUIER, Michael, MALISZ, Jacek
Format: Patent
Sprache:eng ; fre ; ger
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