Method for extracting oil from microbial biomass with a press

Abstract

MEHTOD FOR EXTRACTING OIL FROM MICROBIAL BIOMASS WITH A PRESS ABSTRACT The current invention relates to a method for extracting oil from a yeast biomass comprising the steps of: (i) drying the yeast biomass, wherein the drying is carried out in a contact dryer, wherein in the contact dryer heat is transferred to the yeast biomass primarily through direct contact with a heated surface, (ii) feeding the dried yeast biomass to a press thereby obtaining a yeast oil containing fraction, wherein the contact dryer and the press are arranged in-line, such that the dried yeast biomass is directly fed to the press.