A process for dewatering fine-particle solids suspensions

Details A process for dewatering fine-particle solids suspensions A process for dewatering fine-particle solids suspensions

B - Operations, Transporting

01

D

B01D 12/00 (2006.01) C02F 11/14 (2006.01) F26B 5/00 (2006.01)

Patent

CA 2137134

Fine-particle solids suspensions can be dewatered by a process in which internal hydroxy mixed ethers corresponding to formula (I) Image (I) in which R1 and R2 independently of one another represent linear alkyl radicals containing 1 to 17 carbon atoms, with the proviso that the total number of carbon atoms in both subtituents is 5 to 17, R3 is a linear or branched alkyl radical containing 1 to 12 carbon atoms and n is a number of 1 to 20, are used as auxiliaries. The auxiliaries are readily biodegradable, extremely low-foaming and are distin- guished by a low solidification point.

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