750 results about "Furfural" patented technology

The invention discloses a method for synthesizing tetrahydrofuran from furfural in one step and a preparation method of a catalyst for the tetrahydrofuran. The catalyst is a bimetallic catalyst, bimetallic is M1 and M2, M1 is Pd, and M2 is selected from one of Pt, Rh, Ru, Ni, Cu, Co, Mn and Ce; the catalyst comprises an active component and a carrier, the bimetallic is the active component, and the carrier is selected from at least one of activated carbon, silicon dioxide, aluminum oxide, magnesium oxide, an S-1 molecular sieve, a ZSM-5 molecular sieve, a Beta molecular sieve, an MOR molecular sieve and a Y molecular sieve; based on the total weight of the catalyst, the loading capacity of M1 is 0.5-3.5%, and the loading capacity of M2 is 0.5-3.5%. The catalyst provided by the invention can be used in a reaction for preparing tetrahydrofuran through furfural hydrogenation, and can improve the conversion rate of furfural and the selectivity of tetrahydrofuran.

Provided in the present application are a bio-based fluoride-free waterproof agent, and a preparation method therefor and the use thereof. In the present application, firstly, a bio-based monomer is added into a reaction; secondly, a rosin-based amino acid surfactant is introduced, which is a bio-based ampholytic surfactant, has the advantages of good decontamination, resistance to hard water and being stable to an acid and an alkali and has the performances of sterilization, corrosion prevention, static electricity resistance, etc.; and finally, a lignin-furfural bio-based resin is added after the reaction, which resin is a new furfural bio-based resin, can be uniformly cross-linked on the surface layer of a yarn to adhere fiber ends to the yarn, and has a relatively strong adhesive force, such that the resin can bond the fibers, thereby limiting the movement of the fibers. The raw materials of the fluoride-free waterproof agent prepared in the present application are derived from bio-based products and are completely biodegradable in the natural environment, such that the fluoride-free waterproof agent is environmentally friendly and safe, thereby increasing the regenerative and environmentally friendly values of the product and having significant social benefits and wide market prospects.

The invention discloses a method for preparing furfuryl amine by reductive amination of biomass-based furfural, which comprises the following steps: adding furfural, a catalyst, ammonia water and a solvent into a closed reaction kettle in proportion, replacing air in the reaction kettle with high-purity hydrogen, and reacting in an oil bath pan for a period of time to obtain a target product furfuryl amine, the nano-catalyst provided by the invention is a nitrogen-doped porous hollow carbon sphere loaded nano bimetallic catalyst, takes noble metal and non-noble metal as a metal active center together, and has adjustability of macroscopic size and microstructure at the same time; the method has the advantages of simple reaction system, mild conditions, no pollution to the environment, high efficiency, energy conservation, low cost, few byproducts, high yield, high selectivity and the like, the furfural is efficiently converted into furfuryl amine at low temperature and low pressure within a short time, the used heterogeneous catalyst is stable and easy to recover, a new thought and direction are provided for enterprise production and scientific research, and the method is suitable for industrial production. The method has great significance on development and utilization of biomass-based furfural.

The invention discloses a saline-alkali soil improvement and disease resistance double-effect controlled release fertilizer and a preparation method thereof. The fertilizer comprises 18-22% of biochar, 12-18% of furfural residues, 8-12% of cow dung compost and 6-10% of potassium humate. 5-7% of aluminum sulfate, 4-6% of sulfur and 3-5% of zeolite; the microbial inoculum comprises the following components in percentage by weight: 1.5 to 2.5 percent of saline-alkaline bacillus, 0.8 to 1.2 percent of bacillus subtilis and 0.8 to 1.2 percent 8-12% of a sodium polyacrylate coating, 4-6% of a sulfur coating and 1-3% of polyglutamic acid; 0.8 to 1.2 percent of humic acid chelated iron, 0.8 to 1.2 percent of algal polysaccharide and 0.8 to 1.2 percent of urease inhibitor; 0.8 to 1.2 percent of zinc sulfate, 0.5 to 1.0 percent of manganese sulfate and 0.5 to 1.0 percent of borax. The fertilizer can reduce the pH and conductivity of soil, increase the organic matter content of the soil and effectively improve the physicochemical properties of the soil, meanwhile, by adding the microbial agent, the disease resistance of crops can be effectively improved, the morbidity and disease index of the crops can be reduced, and nutrient release of the fertilizer has a sustained and controlled release characteristic; the initial release rate and the cumulative release rate of nitrogen are both lower than those of common chemical fertilizers, and the cumulative release rate of nitrogen is moderate within 60 days, so that the nutrient requirements of crops in different growth stages can be met.

The invention discloses a boron-containing copper-based three-dimensional metal organic framework material as well as a preparation method and application thereof, and belongs to the technical field of fine chemical engineering. The preparation method comprises the following steps: preparing Zn-based MBON from zinc salt, boric acid and imidazole through a hydrothermal method, and then completely replacing the zinc component with copper to obtain Cu-based MBON, namely the boron-containing copper-based three-dimensional metal organic framework material. The specific surface area of the material is large, and a three-dimensional nano flower-shaped unique structure is formed. The prepared material is used as a catalyst for furfural electro-hydrogenation and carbon dioxide reduction reaction, the diffusion efficiency of reactants (such as furfural and CO2) can be enhanced, rapid desorption of products (such as furfuryl alcohol and ethylene) can be promoted through the surface capillary action, meanwhile, generation of by-products caused by excessive reaction is inhibited, and the selectivity of target products is improved.

The invention relates to the technical field of anti-yellowing, in particular to anti-yellowing lining cloth with a hot melt coating and a preparation method of the anti-yellowing lining cloth. Composite carbon dots, an anti-yellowing agent and a composite chitosan solution are adopted to prepare finishing liquid for finishing the lining cloth; the preparation method comprises the following steps: selecting furfural and urea as a carbon source and a nitrogen source, performing one-step hydrothermal synthesis to obtain a nitrogen-doped furfural-based carbon dot, and grafting an amino-terminated polyimidazolium salt antibacterial compound to obtain a composite carbon dot; wherein the amino-terminated polyimidazolium salt antibacterial compound is an amino-terminated halogen-free polyimidazolium salt antibacterial compound which is prepared by taking ethylenediamine, butyric acid, glyoxal and formaldehyde as raw materials based on amine-aldehyde polycondensation and has good biocompatibility; the preparation method comprises the following steps: by taking polybutylene adipate, toluene diisocynate and isophorone diisocyanate as main monomers, polypropylene oxide triol as a crosslinking monomer, 2, 2-dimethylolpropionic acid and 4, 4 '-diaminodiphenyl disulfide as chain extenders and composite carbon dots as an end-capping reagent, adding water and emulsifying to obtain the waterborne polyurethane hot melt adhesive.

The invention belongs to the field of coupling blending combustion of a thermal power plant, and discloses a system and a method for blending combustion by utilizing biomass furfural residues, through the synergistic effect of a blending combustion pretreatment system and an intelligent control system, accurate and efficient control of the whole furfural residue blending combustion process is realized, and acidity is monitored in real time by utilizing an acidity sensor in a stirrer; the adding amount of a neutralizer is intelligently adjusted, full neutralization reaction is ensured, excessive use is avoided, the screw extruder detects initial moisture through a moisture sensor and automatically adjusts current to optimize extrusion strength and speed, the dryer is monitored in real time through a temperature sensor, stable temperature control is achieved, and the production efficiency is improved. Meanwhile, the waste gas recovery device preheats materials to be dried through heat exchange, efficient recovery of waste heat is achieved, the filtrate treatment device recovers valuable components such as furfural through distillation, extraction and filtration processes, and resource waste is reduced. Material loss and energy loss are reduced through a closed pipeline and automatic conveying, and finally it is ensured that the moisture and acidity of the dried furfural residues reach the standard, and the quality is uniform and stable.

A functional microbial organic fertilizer for improving saline-alkali land, and its preparation method and application, belong to the field of fertilizer technology. In order to solve the technical problem that the high salt ion content in saline-alkali soil has multiple adverse effects on plant growth, the present invention provides a functional microbial organic fertilizer for improving saline-alkali land, which is prepared by a functional microbial agent prepared from Bacillus amyloliquefaciens, Copperbacterium insecticide, Trichoderma harzianum, Halobacterium gesneri and Bacillus halogenide, and a functional microbial carrier organic fertilizer added with furfural residue and citric acid residue. The functional microbial organic fertilizer provided has the functions of increasing the abundance of saline-alkali soil microorganisms, improving soil physical and chemical properties, regulating soil pH, increasing the proportion of soil aggregates, and increasing the content of available phosphorus and available potassium. The functional microbial organic fertilizer provided by the present invention can be used to effectively improve saline-alkali soil.

The invention discloses a double-morphology boron-containing Zn / Cu metal organic framework composite material as well as preparation and application thereof, and belongs to the technical field of fine chemical engineering. The double-morphology boron-containing Zn / Cu metal organic framework composite material is prepared through a one-pot hydrothermal reaction, and the double morphology comprises a three-dimensional nanoflower structure and a three-dimensional rod / columnar structure. Specifically, by adjusting the molar ratio of Zn to Cu in the coordination process with corresponding ligands, when the molar ratio of Zn to Cu reaches 1: 1, the original single nanoflower structure can generate a new three-dimensional rod / columnar structure, so that two composite forms are formed. The double-morphology boron-containing Zn / Cu metal organic framework composite material shows high activity and high selectivity when being used for two key reactions of electrochemical hydrogenation reduction and electrochemical oxidation of furfural.

The invention discloses pediococcus acidilactici screening and application of pediococcus acidilactici in reducing allergenicity of whey and improving flavor, and belongs to the technical field of whey processing. The invention provides a Pediococcus acidilactici BC37, and the preservation number of the Pediococcus acidilactici BC37 is GDMCC No: 66262. The Pediococcus acidilactici BC37 can be used for preparing a Pediococcus acidilactici strain. When the pediococcus acidilactici BC37 is used for preparing the fermented whey, beta-lactoglobulin and lactose in the whey can be effectively degraded, and the degradation rates respectively reach 49.93% and 15.74%; meanwhile, after whey is fermented by the pediococcus acidilactici BC37, high-content flavor substances such as furfural, butyric acid and ethyl caprate are generated. Therefore, the pediococcus acidilactici BC37 provided by the invention has a great industrial application prospect in preparation of fermented whey products with low sensitization and unique flavor.

The invention discloses an extraction-free in-situ intelligent detection system and method for furfural in transformer oil. According to the method, the in-situ surface enhanced Raman detection method containing the liquid core optical fiber is designed, coupling of a transformer oil sample pool can be achieved by introducing the liquid core optical fiber into a detection system, oil way circulation is achieved, an analysis model of the furfural content and the furfural Raman characteristic peak in sample oil is established through a deep learning convolutional neural network, and the detection accuracy is improved. High-stability, high-sensitivity and high-speed extraction-free in-situ detection of furfural in transformer oil is realized.

The furfural gas-residue separation device comprises a condensation box, an air separator and a spraying separator, a cyclone separator is connected with the spraying separator through a first air pipe, the spraying separator is connected with the condensation box through a second air pipe, the cyclone separator comprises a cyclone separation cylinder, and the cyclone separation cylinder is connected with the spraying separator through a second air pipe. A first air return pipe is arranged in the center of the upper end in the cyclone separation cylinder; the spraying separator comprises a spraying separation cylinder, an inner rotating cylinder is arranged in the spraying separation cylinder, a plurality of suspension wires are arranged at the upper end in the spraying separation cylinder and the lower end of the inner rotating cylinder, a plurality of suspension beads are arranged on each suspension wire, a second air return pipe is arranged in the center in the inner rotating cylinder, and a spraying pipe is arranged on one side of the second air return pipe; the furfural gas residues are subjected to multi-stage separation in various forms of centrifugal gravity, centrifugal spraying and shaking filtering, and layer-by-layer pushing is performed, so that the separation effect of the furfural gas residues is improved, and the purity of furfural gas is improved; in addition, in the spraying separation process, furfural gas residues can be pre-cooled at the same time, and the condensation efficiency is improved.

The invention discloses a liquid organic hydrogen storage material and application thereof, and belongs to the technical field of liquid hydrogen storage. The liquid organic hydrogen storage material is an organic compound with a diol structure, the organic compound with the diol structure is one of 1, 5-pentanediol, diethylene glycol and diethanol amine, the liquid organic hydrogen storage material is low in melting point, high in boiling point, safe and low in toxicity, hydrogen is generated through liquid-phase dehydrogenation lactonization, the available hydrogen content is about 3.8%, and the 1, 5-pentanediol structure is one of 1, 5-pentanediol, diethylene glycol and diethanol amine. The 1, 5-pentanediol can be prepared from a biomass platform compound furfural through hydrogenation and hydrogenolysis, and the source is rich; the diethylene glycol and the diethanol ammonia are bulk chemical products, easy to obtain and low in price, and the liquid organic hydrogen storage material has high industrial application value.

The invention relates to the technical field of waste asphalt regeneration, and particularly discloses a waste asphalt regenerant, large-proportion waste asphalt containing the waste asphalt regenerant and a preparation method of the waste asphalt regenerant and the large-proportion waste asphalt. The waste asphalt regenerant is prepared from the following raw materials: 45 to 55 percent of epoxidized illegal cooking oil, 15 to 20 percent of furfural refined oil, 8 to 12 percent of methyl carbamate, 3 to 5 percent of nano mica powder, 10 to 15 percent of desulfurized rubber powder and 5 to 8 percent of SEBS (Styrene-Ethylene-Butylene-Styrene) modifier. The waste asphalt regenerant has a three-dimensional network structure which is subjected to polar bonding; the large-proportion waste asphalt is prepared from the following components in parts by mass: 70 to 90 parts of waste asphalt, 15 to 25 parts of limestone sand, 10.5 to 18 parts of waste asphalt regenerant, 1 to 5 parts of new asphalt and 0.05 to 0.15 part of long-chain aliphatic hydrocarbon warm mixing agent. The regenerant can act in molecules of the waste asphalt, a stable space structure with elasticity and a three-dimensional network is formed through the synergistic effect of multiple components, and good low-temperature crack resistance and performance stability are kept after the waste asphalt is regenerated through the chemical bond effect among the components.

The invention discloses an Escherichia coli endogenous alcohol dehydrogenase EcYjgB mutant and application thereof. The mutant is obtained by performing any one of the following mutations (a) to (c) on Escherichia coli endogenous alcohol dehydrogenase EcYjgB as shown in SEQ ID NO.1: (a) mutating serine at the 200th site into arginine; (b) the serine at the 199th site is mutated into aspartic acid, and the serine at the 200th site is mutated into arginine; and (c) the serine at the 199th site is mutated into aspartic acid, the serine at the 200th site is mutated into arginine, and the asparagine at the 240th site is mutated into tryptophan. The mutant is used for efficiently catalyzing reduction of HMF or furfural to respectively synthesize BHMF and furfuryl alcohol, so that the purposes of improving the production efficiency, reducing the production cost and improving the environmental effect are achieved.

The invention relates to the technical field of gas-slag separation, and discloses a device for treating odor in a furfural production workshop, which comprises a spraying shell, an activated carbon filter layer mounted at the top of the spraying shell, a conical exhaust shell mounted at the top of the activated carbon filter layer, and an air inlet fixed on the side wall of the spraying shell, a spraying mechanism is arranged in the spraying shell, and the spraying mechanism is used for spraying purification liquid into the spraying shell; and the spraying amount real-time adjusting system is used for adjusting the flow of the spraying purification liquid in the spraying shell in real time. The gas-liquid synergism is dynamically evaluated and the spraying amount is adjusted through the spraying amount real-time adjusting system, the problems that a traditional device is lagged in adjustment and low in purification efficiency are solved by combining the activated carbon filtering layer and the multi-stage spraying structure, and the device has the advantages that the state change of waste gas and purification liquid is dynamically responded, the peculiar smell removal efficiency is improved, and the energy consumption and the maintenance frequency are reduced.

The utility model discloses a furfural aldehyde gas ORC waste heat recovery device, which belongs to the technical field of waste heat recovery and comprises a first material pipe and a second material pipe, the second material pipe is connected with a heat exchange device through a second pipeline, a waste heat recovery drying box is mounted outside the heat exchange device, and a buffer support base is arranged below the waste heat recovery drying box. A drying heat preservation assembly is arranged on the portion, located in an inner cavity of the waste heat recovery drying box, of one side of the heat exchange device and can provide heat preservation and drying for the heat exchange device, so that the waste heat recovery efficiency is improved, and a pipeline anti-blocking vibration cleaning assembly is arranged on the portion, located on the inner wall of the waste heat recovery drying box, of one side of the drying heat preservation assembly. The pipeline anti-blocking vibration cleaning assembly exerts force to hit the heat exchange device, so that dirt in a pipeline in the heat exchange device is vibrated, falls off and is discharged. Therefore, the waste heat recovery efficiency and quality are improved, and waste heat loss is reduced. The waste heat recovery device improves the waste heat recovery efficiency.

The invention discloses a system and a method for detecting furfural in transformer oil based on a photo-thermal lens spectrum. A quantum cascade laser is used as pumping laser, and a helium-neon laser is used as detection laser; a visible light-infrared light dichroscope, a chopper, a reflector, an attenuator, a plano-convex lens, a fixed optical path liquid pool, an iris diaphragm, a photoelectric detector, a lock-in amplifier, an upper computer and the like are arranged, so that in-situ rapid, accurate and high-sensitivity quantitative detection of trace furfural in the transformer oil is realized; through the pumping laser covering the infrared characteristic absorption spectral line in furfural, trace furfural molecules in the transformer oil absorb the pumping laser with the average power exceeding 100 mW to excite a strong thermal lens effect, and the detection performance is remarkably improved; in-situ and rapid detection of furfural in the transformer oil is realized by utilizing a thermal lens effect generated by absorption of furfural in the transformer oil on mid-infrared light.

The invention discloses a lignocellulose biomass-based hard carbon negative electrode material as well as a preparation method and application thereof. The method comprises the following steps: carrying out hydrothermal pretreatment on lignocellulose biomass by using low-corrosivity maleic acid, and regulating and controlling the composition of the lignocellulose biomass, the maleic acid and the lignocellulose to obtain a precursor rich in lignin and cellulose; in the pyrolysis and carbonization process, the thermal stability of the precursor is improved, and the lignin can more effectively inhibit the rapid concentrated pyrolysis of cellulose, so that the rearrangement of pyrolysis products is weakened. The method is beneficial for preventing overgrowth of hard carbon graphite microcrystals during high-temperature carbonization, so that the hard carbon material with large interlayer spacing and abundant small-size closed pores is prepared. The hard carbon material shows high specific capacity and excellent rate capability when being applied to the negative electrode of the sodium-ion battery. Meanwhile, xylose and furfural generated by decomposition of hemicellulose in a liquid phase can be effectively collected, and full-component utilization of biomass is achieved. The requirements of green production are met, and industrial application is easy to realize.

The purpose of the present invention is to provide a novel beer-flavored fermented beverage in which the purine concentration is reduced and the deterioration in flavor due to the reduction in purine concentration is improved. The present invention provides a beer-flavored fermented beverage having a purine concentration of 35,000 ppb or less, an adenosine concentration of 15,000 ppb or less, or a guanosine concentration of 56,000 ppb or less, wherein the 5-methylfurfural concentration is 10 ppb or more.

The present invention relates to a tobacco flavor base module, flavor and heated cigarette that improve the consistency of puff by puff, and belongs to the field of tobacco flavors and fragrances. The tobacco flavor base module is composed of the following components: 3,4-dimethyl-1,2-cyclopentanedione slow-release flavor, 3,5-dimethyl-1,2-cyclopentanedione slow-release flavor, methylcyclopentenolone slow-release flavor, ethylcyclopentenolone slow-release flavor, furfural slow-release flavor, 5-methylfurfural slow-release flavor, furfuryl alcohol slow-release flavor, 2-methyltetrahydrofuran-3-one slow-release flavor, 4-hydroxy-2,5-dimethyl-3(2H)furanone slow-release flavor, 3-pentene-2-one slow-release flavor, ethyl maltol slow-release flavor, maltol slow-release flavor, 5-methyl-2-furanmethanol slow-release flavor. The present invention prepares the slow-release flavor by making each component into a slow-release flavor and then mixes it as a tobacco flavor base module, which not only improves the consistency of puff by puff during puffing, but also significantly improves the burnt sweet fragrance characteristics of heated cigarettes.

The invention discloses a furfural hydrogenation catalyst preparation reaction kettle and a catalyst preparation method, and relates to the technical field of catalyst production equipment.The furfural hydrogenation catalyst preparation reaction kettle is characterized in that when preparation is needed, raw materials are added into a reaction kettle body, a motor is started to enable a rotating shaft to rotate, a stirring mechanism conducts stirring, and meanwhile an auger rotates; the rotating shaft is matched with the fixing sleeve so that raw materials on the lower portion can move upwards, enter the rotating cylinder and are sprayed out of the four spraying holes, the rotating shaft drives the rotating cylinder to rotate through the speed reducing mechanism, the positions of the four spraying holes are changed, and therefore the raw materials can be sprayed all around, and blanking on the upper portion is even. Meanwhile, a plurality of lower rotating rings at the lower part are always kept in a state that one lower rotating ring is low in position and the other lower rotating rings are high in position and are positioned on the same plane, and the lower rotating rings at the low positions can be switched back and forth through the switching mechanism, so that raw materials at all positions can fall into the bottom of the reaction kettle body.

The present invention discloses a method for preparing furfural, which includes: under the action of a heteropolyacid-based phase transfer catalyst, an intramolecular dehydration reaction occurs for xylose-based carbohydrates in a ternary two-phase reaction medium composed of a low-boiling organic solvent, a protic solvent, and an ionic organic ammonium chloride. The catalyst used in the present invention has the property of phase transfer, that is, its solubility in the reaction medium increases at high temperature, and it catalyzes the dehydration of xylose in the form of a liquid acid; after the reaction, the solubility decreases and it precipitates in the form of a solid, which is convenient for the recovery and separation of the catalyst, and largely solves the problems of low efficiency of solid acid catalysts and difficult separation of liquid acid catalysts. And an advanced reaction medium is coupled to increase the solubility of xylose-based carbohydrates and the solvation effect on xylose. Through the optimization of the catalyst and the reaction medium, the reaction performance of the reaction system is effectively improved.

The invention belongs to the technical field of carbon materials, and particularly relates to an oxygen-nitrogen-phosphorus-doped porous carbon material, a preparation method thereof and application of the oxygen-nitrogen-phosphorus-doped porous carbon material to carbon dioxide adsorption. The oxygen-nitrogen-phosphorus-doped porous carbon material is obtained by dissolving ammonium polyvinyl alcohol phosphate, carboxylated chitosan, glutaraldehyde and furfural in water, performing ball milling, performing freeze drying to obtain xerogel and carbonizing the xerogel, the preparation method provided by the invention is simple and efficient, and when the oxygen-nitrogen-phosphorus-doped porous carbon material is applied to large-scale industrial production, the production cost can be saved, and the economic benefit can be improved. The obtained oxygen-nitrogen-phosphorus-doped porous carbon material is applied to the field of carbon dioxide adsorption and has a good carbon dioxide adsorption effect.

To provide an alcoholic beverage containing Brown spirits and water-soluble dietary fiber, and excellent in easiness to drink and flavor like Brown spirits.SOLUTION: An alcoholic beverage comprising Brown spirits, a water-soluble dietary fiber, and one or more selected from the group consisting of ethylcaprate and furfurals; the alcoholic beverage described above, wherein the concentration of ethylcaprate is 0.02 to 0. 20ppm or the concentration of furfurals is 0.05 to 0. 50ppm; and a method for improving the taste of an alcoholic beverage comprising Brown spirits and a water-soluble dietary fiber, the method comprising adding one or more selected from the group consisting of ethylcaprate and furfurals.SELECTED DRAWING: None

The invention discloses an MOFs (Metal-Organic Frameworks) derived bimetallic mesoporous Cu / Ni-MNC (Metal Nitrocellulose) material and a preparation method thereof. The method comprises the following steps: adding a metal salt mixed solution into an organic ligand solution, standing, centrifuging and drying to obtain a Cu / Ni-ZIF material; the preparation method comprises the following steps: adding a Cu / Ni-ZIF-TA material into ethanol, then adding a methanol solution of tannic acid, stirring at room temperature for different times, centrifuging and drying to obtain a Cu / Ni-ZIF-TA material; and the Cu / Ni-ZIF-TA material is calcined, and the bimetallic mesoporous Cu / Ni-MNC material is obtained. Compared with a traditional synthesis template method, an activation method and the like, the method is easy and convenient to operate, safe and environmentally friendly; on one hand, due to introduction of low-boiling-point Zn, agglomeration of nanoparticles at high temperature is inhibited, and on the other hand, etching treatment of tannic acid and nitrogen doping enable the material to have different degrees of defects. The material shows excellent catalytic performance in hydrogenation reduction reaction of furfural, and has a good application prospect.

A production method of a rubber plasticizer is characterized in that a solvent extraction method is used, a first solvent comprises one of phenol, furfural, N-methyl pyrrolidone and dimethyl sulfoxide and enters the upper portions of a first extraction tower and a second extraction tower, a second solvent is alkane and / or cycloalkane with the carbon number of 6-20 and enters the lower portions of the three extraction towers, raw material oil is extract oil, and the second solvent is one of phenol, furfural, N-methyl pyrrolidone and dimethyl sulfoxide. Raw oil enters from a middle feed port of the first extraction tower; raffinate flowing out of the top of the first extraction tower enters a middle feed port of the second extraction tower after part of the solvent is recovered; evaporating secondary raffinate flowing out from the top of the second extraction tower to recover the solvent, thereby obtaining the rubber plasticizer; heating a material flowing out from the top of the third extraction tower, recovering part of solvent, pumping into a raw oil inlet of the primary extraction tower by using a pump, mixing with raw oil, and entering the primary extraction tower; and evaporating the effluent extract at the bottoms of the first extraction tower and the third extraction tower to recover the solvent to obtain secondary extract oil.

The invention discloses a biological detoxification and resource utilization method for a lignocellulose pretreatment solution based on Kurthia huakuii, and belongs to the technical field of environmental protection. According to the method, bacteria are inoculated into lignocellulose pretreatment liquid, and toxic substances in the lignocellulose pretreatment liquid are subjected to biological detoxification. Kurthia huakuii can convert furfural into low-toxicity furfuryl alcohol and furoic acid, and meanwhile, furfuryl alcohol, furoic acid and vanillin can act as an organic carbon source to be used for biomass accumulation, so that resource utilization of the lignocellulose pretreatment liquid is achieved.

The present invention belongs to the technical field of furan synthesis, and specifically relates to a catalyst for furan synthesis by decarbonylation of furfural, and a preparation method and application thereof. The catalyst comprises a carrier and an active component loaded on the carrier, and the active component comprises a main active component and an auxiliary active component; the main active component is located in the outer layer of the carrier, and the main active component is metal palladium; the auxiliary active component is embedded in the carrier, and the auxiliary active component is an alkali metal oxide. The preparation method of the catalyst not only reduces the loading amount of Pd, and its special structure solves the problem that the raw material furfural is easy to coke and causes the catalyst to deactivate quickly, but also improves the activity, selectivity and stability of the catalyst.

The invention discloses a biological detoxification and resource utilization method for a lignocellulose pretreatment solution based on Chlorella sorokiniana, and belongs to the technical field of environmental protection. Microalgae are inoculated into lignocellulose pretreatment liquid, and toxic substances in the lignocellulose pretreatment liquid are subjected to biological detoxification. According to the present invention, with the application of the Chlorella sorokiniana, the furfural can be converted into the low-toxicity furfuryl alcohol, the furfuryl alcohol and the vanillin can be adopted as the organic carbon source so as to be used for biomass accumulation, the high value-added product can be produced, and the resource utilization of the lignocellulose pretreatment liquid can be achieved;