Aqueous formaldehyde solutions with a low tetroxane content
The invention relates to low-tetroxane aqueous formaldehyde solutions having a pH of from 3.4 to 4.2 comprising The claimed invention relates to a process for preparing an aqueous formaldehyde solution comprising absorbing a formaldehyde-loaded gas stream, in an absorption zone, in an aqueous soluti...
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| Format: | Patent |
| Sprache: | eng |
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