(Notícia em Inglês)
Researchers at the University of Michigan have published the feasibility of a two-step hydrolysis-solvolysis process to produce biodiesel directly from wet algal biomass, eliminating the need for costly biomass drying, organic solvent extraction and catalysts. The paper on the process was published in the ACS journal Energy & Fuels.
In the first step, wet algal biomass contained 80 percent moisture and was reacted with subcritical water to hydrolyze intracellular lipids, conglomerate cells into an easily filterable solid that retained the lipids and produced a sterile, nutrient-rich aqueous phase. In the second step, the wet, fatty acid-rich solids underwent supercritical transesterification with ethanol to produce fatty acid ethyl esters (FAEEs). The team used Chlorella vulgaris algae, which contained 53.3 percent lipid content.
biodieselmagazine.com»
Researchers at the University of Michigan have published the feasibility of a two-step hydrolysis-solvolysis process to produce biodiesel directly from wet algal biomass, eliminating the need for costly biomass drying, organic solvent extraction and catalysts. The paper on the process was published in the ACS journal Energy & Fuels.
In the first step, wet algal biomass contained 80 percent moisture and was reacted with subcritical water to hydrolyze intracellular lipids, conglomerate cells into an easily filterable solid that retained the lipids and produced a sterile, nutrient-rich aqueous phase. In the second step, the wet, fatty acid-rich solids underwent supercritical transesterification with ethanol to produce fatty acid ethyl esters (FAEEs). The team used Chlorella vulgaris algae, which contained 53.3 percent lipid content.
biodieselmagazine.com»