SOLVENT EXTRACTION OF POLYHYDROXYALKANOATES FROM BIOMASS FACILITATED BY THE USE OF A MARGINAL NONSOLVENT FOR PHA

摘要

in accordance with the procedure of the invention is a poly (hydroxy - alkanou00e1t) - s (pha) from pha containing biomass.the process includes: (a) the ku00f6vetkezu0151lu00e9pu00e9seket treatment of biomass with a solvent and a pha, pha and borderline for the solvent; (b) to the other parts of the nemoldu00f3du00f3 biomass removal, as a result of which the solvent solution of pha and the pha szu00e1mu00e1rahatu00e1reseti stays back; and (c) the pha - szereltu00e1volu00edtu00e1sa solvent of the solution, by which the hatu00e1resetioldu00f3szerben precipitated pha pha for the depth - penziu00f3ju00e1t getof which the phaelku00fclu00f6nu00edthetu0151. a