METHOD AND DEVICE FOR PREPARATION OF SHEAR-SENSITIVE SUBSTANCE SOLUTIONS Russian patent published in 2014 - IPC B01J19/18 C07C279/24 

FIELD: process engineering.

SUBSTANCE: invention relates to preparation of shear-sensitive substance solution. Proposed device comprises technological chamber with inlet pipe to feed dry ingredients, immersion leg to feed technological flow, mixer, technological flow discharge valve, first pump communicated with discharge valve, two filters of tangential flow connected in series. Note here that said first filter communicates with said first pump. Last filter is communicated with immersion leg so that the chamber, first pump and two filters make the circulation circuit. Besides it has extra tank connected with extra pump to feed the reagent from the tank to circulation circuit. Proposed method comprises fluid feed to shear-sensitive substance to the solution to produce the suspension, first reagent feed to suspension to change the suspension characteristics or composition and continuous filtration of said suspension via filters. This causes the suspension separation from filtrate flow. Besides, fluid is added to suspension to recover the volume of fluid caught by filtrate flow while second reagent is added to suspension to up solubility of shear-sensitive substance to required threshold.

EFFECT: efficient process.

54 cl, 4 dwg, 2 tbl, 3 ex