A process and/or system for producing one or more biofuels, wherein biogas (e.g., partially purified biogas produced by removing water, hydrogen sulfide and/or carbon dioxide from raw biogas) is transported by vehicle in one or mobile vessels. De-pressurization of the mobile vessels provides a change in pressure that can be used to provide work, cooling, and/or increased pressure for the production process. Combustion of the biogas produces heat and/or power used to reduce a carbon intensity of the biofuel or biofuel intermediate.

The present disclosure generally relates to a method and a system for forming a storage stable hydrolysate from a lignocellulosic material and to a hydrolysate formed by such a method. It also relates to the use of the hydrolysate to reduce and/or control microbial contamination during storage and/or fermentation. Additionally, the present disclosure relates to a method and a system for reducing and/or controlling microbial contamination in a separate hydrolysis and fermentation (SHF) process.

The present disclosure generally relates to a method and a system for forming a storage stable hydrolysate from a lignocellulosic material and to a hydrolysate formed by such a method. It also relates to the use of the hydrolysate to reduce and/or control microbial contamination during storage and/or fermentation. Additionally, the present disclosure relates to a method and a system for reducing and/or controlling microbial contamination in a separate hydrolysis and fermentation (SHF) process.

The present invention relates to polypeptides having trehalase activity, particularly derived from Talaromyces. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides for the production of ethanol.

The present invention relates to polypeptides having trehalase activity, particularly derived from Talaromyces. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides for the production of ethanol.

The present invention relates to processes for producing fermentation products from starch-containing material, wherein a thermostable alpha-amylase and optionally a thermostable protease are present and/or added during liquefaction. The invention also relates to a composition suitable for use in a process of the invention.

The present invention relates to processes for producing fermentation products from starch-containing material, wherein a thermostable alpha-amylase and optionally a thermostable protease are present and/or added during liquefaction. The invention also relates to a composition suitable for use in a process of the invention.

The application relates to an enzyme composition, a process for the preparation thereof and the use of the enzyme composition in enzymatic hydrolysis.

The application relates to an enzyme composition, a process for the preparation thereof and the use of the enzyme composition in enzymatic hydrolysis.

The membrane bioreactor for simultaneous enzymatic cellulose hydrolysis and product separation is a vessel having a lower hydrolysis reaction chamber and an upper distilled water chamber separated by a semipermeable membrane attached to the top of the lower reaction chamber. The membrane is supported on a stainless steel mesh and sealed to the mesh by epoxy glue to prevent leakage. A peristaltic pump is connected to the reaction chamber and maintains a flow of distilled water through the membrane and the upper chamber, the effluent being collected in a beaker or other product collection vessel. The reaction chamber is agitated at a moderate rate by a magnetic stirrer, and the upper chamber is agitated more rigorously by a mechanical stirrer. A thermocouple and temperature controller and a buffer solution, respectively, maintain temperature and pH in the reaction chamber optimal for enzymatic hydrolysis of cellulose.