Patent application number | Description | Published |
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 |
20110212433 | 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 production products by microbial fermentation. In particular embodiments, the invention provides a method of controlling substrate supply, such that production of desired metabolites is optimised. | 09-01-2011 |
20110269197 | ALCOHOL PRODUCTION PROCESS - The invention relates to methods for improving the efficiency of carbon capture in microbial fermentation of a gaseous substrate comprising CO and/or H2. In certain aspects the invention relates to improving the efficiency of carbon capture in the microbial fermentation of gaseous substrate comprising CO and/or H2 to produce alcohol(s) and/or acid(s). In particular the invention relates to methods for improving the efficiency of carbon capture in carboxydotrophic fermentation. | 11-03-2011 |
20110300593 | 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 a substrate comprising CO. It more particularly relates to the provision of an inorganic organic sulfur source to a fermentation system such that one or more micro-organisms convert a substrate comprising CO to alcohols. In a particular embodiment, a microbial culture is provided with sodium polysulfide, wherein a substrate comprising CO is converted to products including ethanol and 2,3-butanediol. | 12-08-2011 |
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 |
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 |
20130230894 | 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 a substrate comprising CO. It more particularly relates to the addition of an inorganic sulfur source to a fermentation system such that one or more micro-organisms convert a substrate comprising CO to alcohols. In a particular embodiment, a microbial culture is provided with sodium polysulfide, wherein a substrate comprising CO is converted to products including ethanol and 2,3-butanediol. | 09-05-2013 |
20130252230 | Alcohol Production Process - The invention relates to a process for optimising the production of ethanol by microbial fermentation, particularly microbial fermentation of substrates comprising CO. The process involves monitoring the hydrogen production by the microorganism, determining an optimum hydrogen production and adjusting the substrate supply rate in response to a change in the hydrogen production thereby keeping the hydrogen production within a desired range. | 09-26-2013 |
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 |