FIELD: chemistry.
SUBSTANCE: process implies treatment of solid waste or slurry with an extragent, separation of solid and liquid phases, recovery of extraction agent from the liquid phase and its re-introduction into the process. Phases are separated by compaction and centrifugation until liquid solution, which consists of laprol, extracting agent and solid bentonite fraction, is obtained.
EFFECT: makes polyether manufacturing process a non-waste or low-waste one.
2 cl, 1 dwg, 1 ex
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