20 results about "Biorefining" patented technology

The invention relates to a protein feed prepared from biologically refined distiller's grains and a preparation method thereof, and relates to the technical field of bioengineering and feed resource development. The method comprises the following steps: (1) sequentially carrying out acid pretreatment and double-enzyme synergistic hydrolysis on the white spirit vinasse to obtain hydrolysate containing fermentable sugar; (2) adding a candida utilis yeast liquid and urea, and carrying out carbon-nitrogen synergistic liquid fermentation to obtain a fermentation liquid with the viable count of candida utilis greater than or equal to 4.0 * 10 < 8 > CFU / mL; and drying. According to the method, the white spirit vinasse is subjected to diluted acid high-pressure pretreatment and double-enzyme synergistic hydrolysis, then candida utilis is utilized for carbon-nitrogen synergistic liquid fermentation, efficient utilization of glucose and xylose is achieved, and the mycoprotein yield is larger than or equal to 0.70 g / L / h; according to the method, all-component high-value utilization of the distiller's grains is realized, and a process path with industrial production potential is provided for preparing the protein feed by biorefining the distiller's grains.

The present invention relates generally to the generation of bio-products from organic matter feedstocks. More specifically, the present invention relates to improved methods for the hydrothermal / thermochemical conversion of lignocellulosic and / or fossilized organic feedstocks into biofuels (e.g. bio-oils) and / or chemical products (e.g. platform chemicals).

This invention relates to a protein feed prepared from biorefined baijiu lees and its preparation method, belonging to the fields of bioengineering and feed resource development technology. It includes the following steps: (1) subjecting the baijiu lees to acid pretreatment and dual-enzyme synergistic hydrolysis sequentially to obtain a hydrolysate containing fermentable sugars; (2) adding Candida utilis culture and urea for carbon-nitrogen synergistic liquid fermentation to obtain a Candida utilis viable count ≥4.0 × 10⁻⁶. 8 Fermentation broth with CFU / mL; drying is then performed. This invention pretreats baijiu (Chinese liquor) lees under high pressure with dilute acid, followed by synergistic hydrolysis with two enzymes, and then utilizes *Candida utilis* for carbon-nitrogen synergistic liquid fermentation, achieving efficient utilization of glucose and xylose, with a cell protein yield ≥0.70 g / L / h. This invention realizes the high-value utilization of all components of baijiu lees, providing a process route with industrial-scale production potential for the biorefining of baijiu lees to prepare protein feed.

The present disclosure sets forth a proposed solution to decarbonize the acrylic chemicals industry with a lactic-to-acrylic technology producing bio-based acrylics that are sustainable and eco-friendly and are at cost parity with petrochemicals. In the present disclosure, catalysts comprising potassium and zeolites were relied on as the catalyst base. It has been found high yield lactic-to-acrylic technology of the present disclosure is industrially feasible at new or as an add-on to existing bio-refining facilities throughout the Midwest due to the high yields achieved.

The present disclosure relates to a process for treatment of biomass, specifically for pulping and biorefinery applications. The process relates to an organosolv process using high boiling organic solvents for the extraction of high molecular weight lignin and other products from the solution of pulping liquor, by using recycled liquor as the white liquor for pulping. The disclosure also relates to byproducts of pulp & paper industry such as lignin. C5 & C6 sugars.

In general, present invention concerns an integrated lignocellulose-to-chemicals biorefinery, enabling production of renewable n-propylbenzene, phenolic oligomers, and carbohydrate pulp from lignocellulosic biomass. And it concerns an integrated biorefinery, enabling production of renewable n-propylbenzene, phenolic oligomers, and carbohydrate pulp from lignocellulosic biomass.

The invention discloses a preparation method and application of high-wave-absorbing-performance lignin-based porous carbon based on thermal oxidation treatment.The preparation method comprises the steps that firstly, pre-dried lignin is subjected to pyrolysis in a medium-temperature inert environment, a pyrolysis product is placed in a constant-temperature environment to be subjected to thermal oxidation treatment, the treated material is subjected to secondary pyrolysis, and a carbon precursor is obtained; and fully grinding and mixing the obtained carbon precursor and an alkaline activator, and performing high-temperature activation and water washing treatment to obtain the lignin porous carbon material with high wave-absorbing property. The high-performance carbon-based wave-absorbing material is prepared by using bulk waste lignin of biological refining engineering as a raw material through a thermal oxidation treatment method, has the advantages of simple preparation method and excellent material performance, realizes high-value utilization of wastes, and has a wide market application prospect.

A self-generated biosolvent from cellulosic biorefining is used to wash / extract and optionally esterify free fatty acids from microbial oil. Free fatty acids or fatty acid esters and a hydrophobic biohydrocarbon are processed to provide a hybrid liquid fuel intermediary whereas the lipid oil is derived from cellulosic sugars and from microbial conversion of cellulose, hemicellulose, and / cellulosic sugar to lipids. In addition, higher utilization of woody biomass for the production of cellulosic sugars can be further converted to lipid oils, and the remaining hemicellulose / lignin fraction is converted to a novel hydrophobic biohydrocarbon and self-generated biosolvent in which both the processed lipid oils and biohydrocarbon can be reacted together to form a new fuel intermediary. The self-generated biosolvent comprising butanol, butanol esters, and additional biochemicals, can penetrate a microbial cell wall structure to provide higher extraction yields. The process integrates supercritical esterification of the free fatty acids using the self-generated biosolvent blend. Esterification of free fatty acids from microbial oil can be blended with a liquid biohydrocarbon to create a fuel intermediary. A phase separation process for separation of aqueous and hydrophilic materials from hydrophobic liquids is provided, wherein hydrophobic materials are the biosolvent and fatty acid esters.

The invention provides a methanol-tolerant Eimenococcus sp. Mutant strain as well as a screening method and application thereof, the methanol-tolerant Eimenococcus sp. Mutant strain is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC M 20232483. The mutant strain can effectively utilize an industrial byproduct methanol as a carbon source to carry out efficient protein production and valuable carotenoid accumulation; the mutant strain shows excellent photosynthesis capability and nitrogen assimilation efficiency under a methanol culture condition. Effective technical support is provided for methanol-based industrial biological refining application of microalgae, and the method has remarkable environmental and economic benefits.

The invention relates to synthesis and application of a polycaprolactone-glutamic acid block polymer, and provides polypeptide vesicles synthesized by initiating BLG polymerization by adopting PCL-NH2 through a self-designed catalytic system. Experiments prove that the constructed vesicles have dual functions, can significantly promote cell proliferation in the fermentation process of the cassava clear liquid, and can synchronously increase the sugar consumption rate at the same time. The system breaks through the traditional limitation in the field of biomedicine and biofuel application, the example of active regulation and control of microbial biosynthesis by polypeptide vesicles is shown for the first time, and a sustainable research platform is established for polypeptide nanoparticles and a biological refining technology.

The invention relates to a carbon-based fuel combustion ash washing liquid which is a liquid mixture containing carbon-based fuel combustion ash and / or a carbon-based fuel combustion ash dissolved matter. The invention also provides an application of the carbon-based fuel combustion ash water washing liquid in biomass sugar conversion and process, and the carbon-based fuel combustion ash is used for lignocellulose pretreatment and promotion of enzymolysis and fermentation, so that the waste liquid treatment, enzymolysis and fermentation cost in the biorefinery process of lignocellulose can be reduced; the method has the advantages that the method is simple and convenient to operate, the alkaline carbon-based fuel combustion ash content in the thermoelectric supply link can be treated, the carbon-based fuel combustion ash content in the thermoelectric supply link can be recycled, waste is turned into wealth, and introduction of exogenous organic and inorganic base catalysts and introduction of an enzymolysis buffer agent and fermentation nutritive salt in the traditional biomass fermentation conversion process are avoided. The method has the advantages of low cost, remarkable environmental benefits and the like.

The invention provides a preparation device and method of lignin-based high-conductivity porous carbon. The preparation device comprises a pyrolysis module, a heat regulation and control module, an activation module, a post-treatment module and a heat supply module. Wherein the thermal regulation and control module is provided with a carbon defect reactor and is used for carrying out pseudo-graphitization treatment on a pyrolysis product in a high-temperature inert atmosphere to obtain an activated precursor; and the activation module is used for performing alkali activation treatment on the activated precursor in a high-temperature inert atmosphere. According to the preparation method provided by the invention, a large amount of waste lignin of biological refining engineering is taken as a clean and stable carbon supply source, a biomass charcoal precursor is induced to generate directional pseudo-graphitization phase change through a thermal regulation and control module, a carbon microcrystal or amorphous structure of the biomass charcoal precursor is regulated and controlled, and then a high-conductivity network and a hierarchical porous structure are formed through high-temperature alkali activation. The device disclosed by the invention is simple in structure and low in energy consumption, and the prepared porous carbon has the advantage of ultrahigh conductivity and can meet the application requirements of electrochemical energy storage carbon electrodes.

The invention provides an integration method for in-situ dynamic construction of a palladium-based catalyst and driving of synchronous hydrogenation of a lignin derivative and crude bio-oil thereof. Lignin derivatives and crude bio-oil thereof are used as raw materials, and high value-added aromatic compounds are prepared through in-situ liquid phase hydrogenation. The palladium precursor substance is anchored in situ on the carrier and reduced in situ in a hydrogen atmosphere, and palladium active sites with different particle sizes and valence states generated during the process synergistically promote hydro-conversion of lignin and derivatives thereof. According to the present invention, the catalyst in-situ dynamic construction is combined with the reaction substrate in-situ synchronous hydrogenation catalytic system, such that the aggregation of the palladium particles along with the temperature rising and the time prolonging can be effectively avoided, and the active site loss caused by the contact of the palladium and the air during the catalyst transfer can be avoided so as to effectively promote the hydrogenation process of the reaction substrate; the method is simple in process, does not involve toxic reagents, is green and environment-friendly, plays a role in promoting the development of bio-based chemicals and biological refining industries, and can generate huge economic benefits, social benefits and ecological benefits.

The present invention relates to a biorefining process for lignocellulosic waste and materials, for transforming plant waste from agriculture, agro-industrial processes, agro-food industries and the timber industry. The process consists of a first step of reactions between the lignin and the hemicellulose present in the lignocellulosic material and the SO2 in the presence of water in a three-phase heterogenous system: solid, liquid and gaseous. The main products of these reactions are lignosulphonic acid and xylose, which are dissolved in an aqueous phase. The present invention achieves lignin conversions above 90%. The process continues with physical separation steps, reactions for forming lignosulphonic acid salts, reaction for forming phosphates and purification of products, thereby producing cellulose pulp, xylose, solid and dry lignosulphonic acid, solid and dry alkaline lignosulphonates, and solid and dry calcium phosphate.

The present invention discloses a product and a production process for producing a plant-derived fulvic acid product with a high solid base content using taurine, belonging to the fields of biochemical engineering, fermentation engineering, biorefining, and synthetic biology industries. In the production process of the plant-derived fulvic acid product of the present invention, the raw materials are cooked and separated by the ammonium sulfite method to obtain fibers and fulvic acid. After adding a medicament containing taurine, it is mixed with liquid ammonium sulfite or solid ammonium sulfite dissolved in water and used as the cooking liquid medicine; after mixing the raw materials with the cooking liquid medicine, they are cooked, extracted, separated, and concentrated to obtain a concentrated dark liquid of fulvic acid with a high solid base content. The method of the present invention can increase the solid base content or dry base content of the plant-derived fulvic acid product. The detected value of the solid base content of the existing similar products of fulvic acid on the market is generally between 47% and 57%. According to the technical solution provided by the present invention for the plant-derived fulvic acid product, the increase range of the solid base content reaches 40% - 60%.

The invention provides a technological method for synchronously extracting omphisa fuscidentalis hampson protein peptide and grease based on enzymolysis, and relates to the technical field of omphisa fuscidentalis hampson extraction. The technological method for synchronously extracting omphisa fuscidentalis hampson protein peptide and grease based on enzymolysis specifically comprises the following steps: S1, preparing a living body; s2, metabolism activation; s3, minimally invasive intervention; s4, carrying out in-situ separation; s5, product refining; and S6, insect body recovery. According to the technical scheme, through innovative combination of a living body metabolism engine and an in-situ separation technology, efficient, green and sustainable utilization of omphisa fuscidentalis hampson resources is achieved, the comprehensive advantages of the omphisa fuscidentalis hampson resources in the aspects of technical performance, economic benefits, ecological sustainability, application prospects and the like are achieved, the limitation of a traditional technology is broken through, and the technological cost is reduced. And a brand new technical normal form is provided for the field of biological resource refining.

The present invention relates to the direct use by addition of drilling gravels residue from the oil exploration and production activities in the formulation of culture medium of unicellular organisms, increasing its growth rates, intensifying the CO2 biofixation, and generating value to this residue from of productivity gains expected by autotroph and mixotroph organisms (cyanobacteria, microalgae and macroalgae), as well as the production of bioproducts that can be generated through the concept currently described in the literature as biorefining. Algae are cultured using drilling gravel suspended in the culture medium together with the ability to grow by absorbing CO2. Mechanisms used by algae in soils and marine environments to tolerate salinity, sodicity and contamination of petroleum hydrocarbons provides wide adaptation to these conditions of abiotic stress and enables the destination without environmental impact, constituting a satisfactory solution for the destination of the gravel for oil exploration and production.

The invention discloses a biological degumming method and system for long fibrilia for spinning. The method comprises the following steps: pretreatment, first biological degumming treatment, second biological degumming treatment, third biological degumming treatment, cleaning, spin-drying, airing and the like. Wherein the bath ratio of the biological degumming solution is 1: 24. A new degumming solution is sequentially injected for three times to be mixed with a biological refining agent for degumming treatment, so that colloid can be more sufficiently removed, and cellulose is prevented from being damaged by a chemical reagent. And secondly, the bath ratio is controlled to be 1: 24, so that the effect of the biological refining agent and the degumming solution can be ensured, and reasonable utilization of resources is realized while the degumming quality is ensured. Finally, by arranging a degumming waste liquid collecting box and a cleaning waste liquid collecting box, degumming waste liquid and cleaning waste liquid are collected in a classified mode, waste liquid recycling is facilitated, and pollution to the environment is reduced.

The present invention relates generally to the generation of bio-products from organic matter feedstocks. More specifically, the present invention relates to improved methods for the hydrothermal / thermochemical conversion of lignocellulosic and / or fossilised organic feedstocks into biofuels (e.g. bio-oils) and / or chemical products (e.g. platform chemicals).

Disclosed is a seaweed extraction process that produces an unrefined polysaccharide seaweed extract, which has a mixture of unrefined polysaccharides the extract being highly effective for the production of biopolymer films with good properties. The process may be part of a brown seaweed biorefinery that provides a number of new materials and greater flexibility in the use of those materials to maximize the utilization of the seaweed feedstock.