Methods for producing carbon-based chemicals by algal biomass processing
AssigneeDIREVO Industrial Biotechnology GmbH
InventorsMarco Kramer, Klaudija Milos
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Abstract
The present technology relates to novel methods for converting algal biomass material for the production of carbon-based chemicals, in particular carboxylic acids like lactic acid using extremely thermophilic microorganisms.
Claims33
A method for converting an algal biomass to a carbon-based chemical, comprising the steps of contacting the algal biomass with a microbial culture for a period of time at an initial temperature and an initial pH, thereby producing an amount of the carbon-based chemical, wherein the microbial culture comprises a thermophilic microorganism capable of surviving in high temperature conditions above 70° C., and wherein the thermophilic microorganism is a microorganism of the genus Caldicellulosiruptor or of the genus Thermoanaerobacter.
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A method of producing lactic acid from algal biomass material converting the algal biomass material to lactic acid in a single step process, the method comprising:
- a) culturing and growing algae in a liquid medium to a desired algae biomass;
- b) combining a microbial culture and the algal biomass;
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- c) fermenting the algal biomass under conditions and for a period of time sufficient to produce lactic acid, a salt or a ester thereof and
- d) isolating said lactic acid, a salt or a ester thereof, wherein the microbial culture comprises a thermophilic microorganism capable of surviving in high temperature conditions above 70° C., and wherein the thermophilic microorganism is a microorganism of the genus Caldicellulosiruptor or of the genus Thermoanaerobacter.
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Dependencies are inferred from the claim text.