Patent application number | Description | Published |
20090203100 | Microbial Fermentation of Gaseous Substrates to Produce Alcohols - The present invention relates to methods for increasing the efficiency of anaerobic fermentation processes (1) that produce acetate as a by-product in addition to a desired product, and (2) that can utilise hydrogen and/or carbon dioxide in the fermentation. The method comprises the steps of converting acetate produced by the fermentation process into hydrogen gas and carbon dioxide gas, and utilising hydrogen gas and/or carbon dioxide gas obtained from the acetate conversion in the anaerobic fermentation process. In particular aspects, the invention relates to processes of producing alcohols, particularly ethanol. | 08-13-2009 |
20100105115 | ALCOHOL PRODUCTION PROCESS - The invention relates to biological processes for producing one or more desired products, including alcohols such as ethanol and butanol. The processes comprise carrying out first and second fermentations of substrates in first and second bioreactors, wherein each fermentation produces one or more desired products and/or one or more by-products that can be utilised in the other fermentation. A product and/or by-product of the first fermentation is introduced to the second bioreactor during the fermentation, and a product and/or by-product of the second fermentation is introduced to the first bioreactor during the fermentation. | 04-29-2010 |
20100311104 | NOVEL BACTERIA AND METHODS OF USE THEREOF - A novel class of bacteria is described which has improved efficiency in the production of thanol by anaerobic fermentation of substrates containing carbon monoxide. | 12-09-2010 |
20100317074 | CARBON CAPTURE IN FERMENTATION - The invention relates to methods of capturing carbon by microbial fermentation of a gaseous substrate comprising CO. The methods of the invention include converting CO to one or more products including alcohols and/or acids and optionally capturing CO2 to improve overall carbon capture. In certain aspects, the invention relates to processes for producing alcohols, particularly ethanol, from industrial waste streams, particularly steel mill off-gas. | 12-16-2010 |
20110059499 | MICROBIAL ALCOHOL PRODUCTION PROCESS - The invention relates to the production of alcohols by microbial fermentation, particularly to production of alcohols by microbial fermentation of substrates comprising CO. It more particularly relates to processes for the production of alcohols from their corresponding acids in the presence of a substrate comprising CO. In particular embodiments, a fermentation reaction producing acid(s) and optionally alcohol(s) is perturbed such that at least a portion one or more of acid(s) is converted to alcohol. | 03-10-2011 |
20110144393 | PRODUCTION OF BUTANEDIOL BY ANAEROBIC MICROBIAL FERMENTATION - The invention provides methods for producing 2,3-butanediol by anaerobic fermentation. According to particular methods of the invention, 2,3-butanediol is produced by anaerobic fermentation of substrates including carbohydrate and carbon monoxide. | 06-16-2011 |
20110244538 | FERMENTATION OF GASEOUS SUBSTRATES - The invention relates to the microbial fermentation of gaseous substrates, particularly to gas/liquid contact modules and bioreactors configured to improve the efficiency of fermentations, particularly microbial fermentations of substrates comprising CO. In a particular embodiment, a gas/liquid contact module with multiple channels is configured to produce products in a liquid fermentation broth. In a further particular embodiment, there is provided a method of fermentation of a gaseous substrate to produce a product in a liquid fermentation broth. | 10-06-2011 |
20110275053 | ALCOHOL PRODUCTION PROCESS - The invention relates to the production of products such as alcohols and acids by microbial fermentation, particularly microbial fermentation of substrates comprising CO. It more particularly relates to methods and systems for improving efficiency of products by microbial fermentation. In particular embodiments, the invention provides a method of optimising production of desired products including the step of ascertaining the proportion of CO converted to CO2. | 11-10-2011 |
20110294177 | OPTIMISED FERMENTATION MEDIA - The invention relates to improvements in the production of alcohols by microbial fermentation, particularly to production of alcohols by microbial fermentation of substrates comprising CO. It more particularly relates to the provision of an improved fermentation media, comprising nickel, to a fermentation system such that one or more micro-organisms convert a substrate comprising CO to one or more alcohols, such as ethanol. In particular embodiments, a microbial culture is provided with at least 10 μM nickel, such that CO uptake by the microbial culture increases and ethanol productivity improves. | 12-01-2011 |
20120252082 | Fermentation Process For Controlling Butanediol Production - Methods for improving the efficiency of 2,3-butanediol fermentations are disclosed. More specifically methods of increasing the butanediol productivity from the anaerobic fermentation of a substrate comprising carbon monoxide or carbon monoxide and hydrogen by one or more caboxydotrophic acetogenic bacteria are disclosed. The method includes supplying a hydrogen depleted substrate to increase butanediol productivity. The method includes producing butanediol at a volumetric productivity rate of at least 15 g/L/day. | 10-04-2012 |
20120309066 | Carbon Capture in Fermentation - The invention relates to processes for converting CO by microbial fermentation to one or more products including alcohols and/or acids and optionally capturing CO | 12-06-2012 |
20120309075 | Novel Bacteria and Methods of Use thereof - A biologically pure isolate of a selected bacterium derived from | 12-06-2012 |
20130045517 | FERMENTATION OF WASTE GASES - The invention relates to the microbial fermentation of gaseous substrates to produce one or more products. The invention relates to the microbial fermentation of a gaseous substrate derived from the conversion of a biogas stream. The invention relates to the conversion of a biogas stream comprising methane to a gaseous substrate comprising CO and/or H2, and the production of one or more products from the microbial fermentation of said gaseous substrate. | 02-21-2013 |
20130065282 | Fermentation Process - Methods and systems for the production of one or more lipid products from a gaseous substrate using a two stage fermentation process are provided. The method comprises providing a gaseous substrate comprising CO | 03-14-2013 |
20130084559 | Methods of Sustaining Culture Viability - The present invention relates to methods for sustaining a microbial culture during periods of limited substrate supply. In accordance with the methods of the invention, a microbial culture comprising carboxydotrophic bacteria can be sustained during periods of limited substrate supply by maintaining the temperature of the microbial culture at a temperature below an optimum operating temperature. Examples of periods of limited substrate supply include when the microbial culture is transported to a remote location or during time when it is stored. | 04-04-2013 |
20130109066 | Acid Production by Fermentation | 05-02-2013 |
20130157322 | PROCESS FOR PRODUCING ETHANOL AND ETHYLENE VIA FERMENTATION - A process for converting a substrate such as carbon monoxide to useful chemicals has been developed. The process involves providing a substrate comprising CO to a bioreactor which contains a culture of one or more micro-organisms and anaerobically fermenting the substrate to produce ethanol. The ethanol is next converted to one or more chemical products via the compound ethylene. The source of the CO can be an industrial process such as the ferrous metal products manufacturing. The microorganism can be | 06-20-2013 |
20130177955 | PROCESS FOR PRODUCTION OF ALCOHOLS BY MICROBIAL FERMENTATION - The invention provides method for producing butanediol and specifically 2,3-butanediol by anaerobic fermentation of a gaseous substrate comprising CO by a culture of at least one micro-organism. In accordance with particular methods of the invention, 2,3-butanediol is produced by anaerobic fermentation of substrates including carbohydrates and carbon monoxide. The invention further provides for the up-regulation of a native 2,3-butanediol dehydrogenase gene in the at least one micro-organism. The 2,3-butanediol can be further converted to compounds such as butene(s), butadiene and methyl ethyl ketone. These compounds can be further converted to chemical products such as 2-butanol. | 07-11-2013 |
20130210096 | Methods and Systems for the Production of Hydrocarbon Products - Methods and systems for the production of hydrocarbon products, including providing a substrate comprising CO to a bioreactor containing a culture of one or more micro-organisms; and fermenting the culture in the bioreactor to produce one or more hydrocarbon products. The substrate comprising CO is derived from an industrial process selected from the group comprising steam reforming processes, refinery processes, steam cracking processes, and reverse water gas shift processes. | 08-15-2013 |
20130224839 | Recombinant Microorganism and Methods of Production Thereof - The invention relates to a recombinant carboxydotrophic acetogenic microorganism capable of producing one or more products by fermentation of a substrate comprising CO, wherein the microorganism has an increased tolerance to ethanol versus a parental carboxydotrophic acetogenic microorganism. The invention also provides, inter alia, methods for the production of ethanol and one or more other products from a substrate comprising CO using the recombinant carboxydotrophic acetogenic microorganism. | 08-29-2013 |
20130260429 | Fermentation Process - This invention relates generally to methods for increasing the efficiency of microbial growth and production of products, such as alcohols and acids by microbial fermentation of substrates containing carbon monoxide. More particularly the invention relates to the provision of an alternative sulphur source to a liquid nutrient medium, such that sulphur is available to one or more microorganisms of the fermentation. | 10-03-2013 |
20130280694 | Alcohol Production Process - The invention relates to the production of products such as alcohols and acids by microbial fermentation, particularly microbial fermentation of substrates comprising CO. It more particularly relates to methods and systems for improving efficiency of products by microbial fermentation. In particular embodiments, the invention provides a method of optimising production of desired products including the step of ascertaining the proportion of CO converted to CO2. | 10-24-2013 |
20130316424 | Carbon capture in fermentation - The invention relates to methods of capturing carbon by microbial fermentation of a gaseous substrate comprising CO. The methods of the invention include converting CO to one or more products including alcohols and/or acids and optionally capturing CO2 to improve overall carbon capture. In certain aspects, the invention relates to processes for producing alcohols, particularly ethanol, from industrial waste streams, particularly steel mill off-gas. | 11-28-2013 |
20140141477 | FERMENTATION PROCESS - The invention provides methods and systems for the production of lipid products from a gaseous substrate using a two stage fermentation process. The method comprises providing a gaseous substrate comprising CO, CO | 05-22-2014 |
20140154755 | FERMENTATION PROCESS - The invention provides methods and systems for the production of lipid products from a gaseous substrate using a two stage fermentation process. The method comprises providing a gaseous substrate comprising CO or CO | 06-05-2014 |
20140186928 | Recombinant Microorganism and Methods of Production Thereof - The invention relates, inter alia, to novel genetically modified microorganisms capable of using CO to produce 1-butanol and/or a precursor thereof, novel methyltransferases and nucleic acids encoding same, methods for producing genetically modified microorganisms using said novel methyltransferases, and methods of producing 1-butanol and/or a precursor thereof by microbial fermentation. | 07-03-2014 |
20140273115 | SYSTEM AND METHOD FOR CONTROLLING METABOLITE PRODUCTION IN A MICROBIAL FERMENTATION - A method is provided for controlling a metabolic profile of an anaerobic microbial fermentation culture. In particular, a metabolic profile of a fermentation process is controlled by controlling the amount of dissolved CO2 provided to a culture. Further provided is a method of producing one or more products by microbial fermentation of a gaseous substrate through feeding tail gas CO2 from a reactor to a second reactor, or by recycling tail gas CO2 to the same reactor. | 09-18-2014 |
20140370559 | FERMENTATION OF WASTE GASES - The invention relates to the microbial fermentation of gaseous substrates to produce one or more products. The invention relates to the microbial fermentation of a gaseous substrate derived from the conversion of a biogas stream. The invention relates to the conversion of a biogas stream comprising methane to a gaseous substrate comprising CO or CO plus H2, and the production of one or more products from the microbial fermentation of said gaseous substrate. | 12-18-2014 |