77results about How to "High cracking rate" patented technology

The present invention provides novel cleavage agents and polymerases for the cleavage and modification of nucleic acid. The cleavage agents and polymerases find use, for example, for the detection and characterization of nucleic acid sequences and variations in nucleic acid sequences. In some embodiments, the 5′ nuclease activity of a variety of enzymes is used to cleave a target-dependent cleavage structure, thereby indicating the presence of specific nucleic acid sequences or specific variations thereof.

The present invention relates to compositions and methods for the detection and characterization of nucleic acid sequences and variations in nucleic acid sequences. The present invention relates to methods for forming a nucleic acid cleavage structure on a solid support and cleaving the nucleic acid cleavage structure in a site-specific manner. For example, in some embodiments, a 5′ nuclease activity from any of a variety of enzymes is used to cleave the target-dependent cleavage structure, thereby indicating the presence of specific nucleic acid sequences or specific variations thereof.

The invention relates to a technology and equipment for preparation of synthetic gas by two-stage high temperature biomass gasification. Gasification in the technology is carried out in two stages, namely, primary gasification and high temperature gasification; biomass combustion gas, unreacted solids, tar and the like obtained in the primary gasification are directly delivered into a high temperature vapourizing furnace at high temperature and steam and air are also delivered into the vapourizing furnace so as to carry out high temperature gasification, thereby enhancing thermal efficiency, conversion rate of carbon and cracking rate of tar. In the process of the preparation, heat energy is self supplied, and heat is recovered to improve thermal efficiency; a thermal value of prepared synthetic gas can reach 7 to 8 MJ/m<3>. Equipment for realizing the technology comprises a biomass feed unit, gasification reactors, a dust collector, a heat reclaim unit, a washing unit, an air compressor, etc. The technology and equipment provided in the invention can be used to convert biomass raw materials like agricultural waste into synthetic gas with a high thermal value and low content of tar and are applicable to heat supply by biomass combustion gas, power generation by combustion gas or synthesis of liquid fuels.

The invention provides a method and a device for recovering efficient high-boiling substance from organic silicon residue slurry. The method mainly comprises the following steps: discharging residue slurry from a reboiler of an organic silicon monomer synthesis washing tower into a distillation still; utilizing waste heat to evaporate high-boiling residues in the residue slurry; carrying out rectification in a packing tower; collecting the recificated product; conveying the collected product into a high-boiling lysis device; cooling down residual slug; discharging the cooled residual slug. The invention has the advantages that the waste heat of the monomer synthesis system is sufficiently utilized, and the temperature of the distillation still and the evaporation rate of the high-boiling residue are controlled, part of high-boiling residue of high lysis value is selectively recovered. Practices show that the lysis rate of the high-boiling residue treated according to the method reaches 80 percent or higher in lysis rate, the solid content of discharged residue is improved by 15 to 25 percent, the utilization value of the high-boiling residue is greatly improved, and the residue slug treatment cost is reduced.

Belonging to the bio-fermentation industry fermentation waste liquid treatment field, the invention discloses an environment-friendly technology for treating threonine fermentation mother liquid. The technology includes the steps of: 1) preparing threonine crystals and a mother liquid, 2) preparing granule protein, 3) preparing chicken feed, and 4) preparing a fertilizer. The technology provided by the invention prepares the granule protein, feed and fertilizer simultaneously, and makes full use of the fermentation mother liquid components. The whole process generates no waste, is environment-friendly and pollution-free, and truly realizes turning waste into wealth.

The invention provides a pulse detonation pushing device based on a regenerative cooling structure. Based on the regenerative cooling structure, a convection/impact composite type heat exchange methodis adopted, liquid fuel oil is heated, catalyzed and cracked through heat radiation of detonation combustion, micromolecule gas fuel excellent in detonation performance is generated, the time and distance of deflagration to detonation transition (DDT) of a pulse detonation engine can be effectively shortened, and meanwhile efficient cooling of the wall face of a detonation pipe can be achieved. The catalytic and cracking fuel oil pretreatment method is adopted, the detonation performance of fuel is effectively improved, and meanwhile the pushing performance and safety of the engine are improved. The regenerative cooling structure provides a heat source for a catalytic and cracking reaction, and meanwhile airborne fuel oil is adopted as cooling media to cool the wall face of the detonationpipe. Temperature distribution of the wall face of the detonation pipe is considered, the convection/impact composite type cooling manner is adopted on the DDT segment of the detonation pipe, and a microchannel inner convection heat exchange manner is adopted in the detonation spread segment.

The invention discloses a cracking recovery process of n-butyl acrylate heavy components. The cracking recovery process of the n-butyl acrylate heavy components comprises the following steps that in asynthesis process of n-butyl acrylate produced from acrylic acid and n-butanol, the bottom components of a n-butyl acrylate refining tower are injected into the bottom of a cracking reactor, meanwhile, acrylic acid, a catalyst, a polymerization inhibitor and water are added into the cracking reactor, and after cracking is carried out, the n-butyl acrylate is recovered from the top of the crackingreactor and is discharged into a recovery tower, and the top of the recovery tower communicates with the n-butyl acrylate reactor to realize the cracking of the n-butyl acrylate heavy components, then the n-butyl acrylate enters an esterification section to participate in the reaction, and the recovery is realized. The cracking recovery process of the n-butyl acrylate heavy components has the characteristics of high cracking efficiency of the n-butyl acrylate heavy components, high recovery of n-butanol and n-butyl acrylate and low material consumption and energy consumption cost.

The invention relates to a nano molecular sieve catalyst for cracking of endothermic hydrocarbon fuel and a preparation method. The preparation method uses nano-scale Na type molecular sieve raw powder as a raw material, firstly prepares an H-shaped molecular sieve, and then carries out modification preparation by a grafting method; and a proportion of the nano molecular sieve to a grafting reagent is 0.016-1.560 mmol/g (grafting reagent/molecular sieve). The method uses the nano molecular sieve with the advantages of large specific surface area, short pore canal, more surface active sites and the like as a modification precursor of the catalyst, uses organic chlorosilane, organic siloxane or Grignard reagent and the like as a modified reagent, and adopts the grafting method to carry out organic functional modification for the surface of the nano molecular sieve so as to obtain the nano molecular sieve catalyst. The catalyst used for catalytic cracking reaction can make up the defects of easy carbon deposit, easy inactivation of the catalyst and the like in the prior thermal cracking and catalytic cracking process of the endothermic hydrocarbon fuel, reduces the heat transmission resistance of a pipeline, and improves the cracking rate of the fuel.

The invention relates to a chlorosilane high-boiling residue recovery technology combining slurry treatment with pyrolysis reaction. The technology comprises the following steps: pre-treating chlorosilane high-boiling residue slurry through a slurry treatment device, separating recycled materials, feeding a chlorosilane low polymer into a pyrolysis reactor loaded with a catalyst to react with hydrogen chloride to obtain a pyrolysis product, and performing subsequent separation to obtain a monosilane product. The chlorosilane high-boiling residue recovery technology combining the slurry treatment with the pyrolysis reaction has the advantages that the slurry treatment device can effectively remove solid impurities, such as metal chloride and the like, contained in the materials, and inactivation and coking phenomena of a pyrolysis catalyst are avoided; a high-boiling residue separation tower has a function of beside collection, and can separate liquid-phase high polymers, so that accumulation is avoided; a pyrolysis reaction rectifying tower performs pyrolysis reaction and separation process at the same time, so that the pyrolysis ratio can be improved.

The invention belongs to the technical field of monascus residue waste utilization, and specifically discloses a method for treating monascus residue, namely a method for preparing health-care food for reducing blood fat, reducing blood pressure and preventing osteoporosis by enzymolysis of monascus residue. The monascus residue left after monascus pigment is produced is treated by ultrasonic wave and composite enzymolysis, mycelia are crushed to release protein and polysaccharides therein, then the monascus residue is degraded into protein polypeptide or amino acid, residual active substances such as ergosterol and gamma-aminobutyric acid are enriched, and the monascus residue can be prepared into a microcapsule preparation for reducing blood fat, reducing blood pressure and preventing osteoporosis, so that secondary pollution in the traditional acid-alkali treatment process is avoided.

The invention discloses a waste and old tire colloidal particle cracking system and method. The system comprises a conveying device, a breaking device, a washing device, a drying device and a cracking furnace are sequentially connected to the conveying device, the cracking furnace is further connected with a molten salt furnace, the molten salt furnace is connected with the drying device through a transition salt pipe, the drying device is connected with the molten salt furnace through a salt returning pipe, the cracking furnace is further connected with a gas and slag separation device, the gas and slag separation device is connected with a carbon black tank and a steel wire recycling device through a magnetic separator, and the gas and slag separation device is further connected with a rectifying tower; a gas pipe is further communicated with the cracking furnace, the cracking furnace and the gas and slag separation device are arranged side by side, the conveying device penetrates the cracking furnace to stretch into the gas and slag separation device, a slag cavity is formed in the lower portion of the gas and slag separation device, the upper portion of the gas and slag separation device is communicated with a gas collecting pipe communicated with the rectifying tower, and the bottom of the slag cavity is communicated with the magnetic separator. The waste and old tire colloidal particle cracking system and method are high in tire colloidal particle cracking rate, high in cracking object recycling rate, capable of achieving continuous production and low in energy consumption.

The invention discloses and relates to a piglet diarrhea coliphage and application thereof, the piglet diarrhea coliphage is named as vB-EcoP-ZPD342, and the preservation number is CGMCC NO.18863. The coliphage preparation can effectively prevent and treat piglet diarrhea caused by escherichia coli, can be used for disinfecting escherichia coli in a farm environment and breeding equipment, and can also be used as a preservative of meat products. The coliphage preparation provided by the invention is colorless, non-toxic and odorless, does not pollute the environment when being sprayed in the environment, and has broad-spectrum bactericidal performance. The coliphage preparation disclosed by the invention provides a new idea for preventing and treating piglet diarrhea, killing escherichia coli in a farm environment and preventing and treating meat products.

The invention discloses a serial L-shaped non-phase change superconducting heat pipe heat recovery type volatile organic chemicals (VOCs) incinerator which is suitable for all VOCs removing systems. The VOCs incinerator comprises an internal spiral type incinerator body, a ceramic Archimedes spiral line hearth, a burner, a processing fan, a non-phase change superconducting heat pipe heat exchanger, a programmable logic controller (PLC) control box and the like. After being subjected to adsorption, concentration, desorption and preheating of a rotary wheel of the removing system, VOCs enter the ceramic Archimedes spiral line hearth to form spiral gas flow, are completely cracked into CO2 and O2 through two-sectional burning, and are discharged into the atmosphere through a chimney. The non-phase change superconducting heat pipe heat exchanger performs heat recovery. Compared with the traditional two-tower type or three-tower type VOCs incinerator, by means of the rotary gas flow burning mode and waste heat recovery mode, the serial L-shaped VOCs incinerator improves burning and cracking rate by 0.5-1%, reduces fuel consumption by 25-30%, and reduces construction cost by 35-40%.

The invention belongs to the technical field of agricultural microorganism application, and particularly relates to a broad-spectrum phage for rapidly cracking livestock and poultry pathogenic escherichia coli and application. The escherichia coli phage GRH-ECP052 which is rapid in cracking and wide in cracking spectrum is obtained through screening, the phage is preserved in the China center for type culture Collection, and the preservation number is CCTCC NO: M20211009. The phage has a good prevention and treatment effect on poultry colibacillosis and piglet yellow-white dysentery.