Method for treating water containing 4, 4 '-dichlorodiphenyl sulfoxide and/or 4, 4'-dichlorodiphenyl sulfone as impurities
The invention relates to a method for treating 4, 4 '-dihydroxybenzaldehyde. The present invention relates to a method for producing water containing 4, 4 '-dichlorodiphenyl sulfoxide and/or 4, 4'-dichlorodiphenyl sulfone as an impurity, comprising: (a) reacting water containing 4, 4...
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Format: | Patent |
Sprache: | chi ; eng |
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