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107results about How to "Strong cracking ability" patented technology
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Super-stable Y zeolite, preparation method and application thereof
ActiveCN102020289AHigh crystallinityIncrease the areaCatalytic crackingMolecular sieve catalystsOrganic acidGasoline
The present invention provides a super-stable Y zeolite and the preparation method thereof. The ratio of silicate to aluminum in the super-stable Y zeolite is 6-11. The lattice constant of the zeolite is 2.446 to 2.458 nanometers. The percentage of non-skeleton aluminum in total aluminum in the zeolite is not higher than 30% by weight. The diameter of secondary pores with diameter of 2 to 100 nanometers in the zeolite shows a double probable distribution. The most probable diameter of the secondary pores with comparatively large diameter is 6-15 nanometers. The proportion of secondary pores with diameter between 8 to 100 nanometers in total secondary pores is 35% to 60%. The preparation method of the zeolite includes the step of making the super-stable Y zeolite come into contact with a solution containing organic acids and inorganic acids in the atmosphere of inert gases and / or nitrogen. The modified super-stable Y zeolite provided in the invention is applied to catalytic cracking; therefore the following effects can be realized: the cracking ability of heavy oil is strong, the selectivity of gasoline is high, and the selectivity of dry gas and carbon coke is good.
Owner:CHINA PETROLEUM & CHEM CORP +1
Kit for extracting nucleic acid from bacteria by using paramagnetic particle method and extracting method
InactiveCN104450684AStrong cracking abilityHigh purityDNA preparationHigh concentrationEthylenediamine
The invention discloses a kit for extracting nucleic acid from bacteria by using a paramagnetic particle method and an extracting method. The kit comprises a bacteria lysate, a magnetic bead binding solution, a magnetic bead scrubbing solution and a nucleic acid eluent. The bacteria lysate comprises sodium dodecyl sulfate, ethylenediaminetetraacetic acid, tri-hydroxymethyl aminomethane and sodium chloride; the magnetic bead binding solution comprises polyethylene glycol-8000 and sodium chloride; the magnetic bead scrubbing solution comprises ethanol; and the nucleic acid eluent comprises tri-hydroxymethyl aminomethane and ethylenediamine tetraacetic acid. The kit comprises the unique bacteria lysate which has a strong lysis function for the bacteria; and the kit can be used for manual extraction and instrument extraction by using a commercially available nucleic acid isolation machine, high-purity and high-concentration bacteria nucleic acid can be extracted.
Owner:NANJING ZHONGKE SHENGUANG TECH
Catalyst for heavy oil catalytic cracking and preparation method thereof
ActiveCN101386788AHeavy oil cracking ability is strongPollution abilityCatalytic crackingMolecular sievePtru catalyst
The invention discloses a cracking catalyst, which contains 10 to 50 weight percent of Y -shaped molecular sieve containing phosphorus and rare earth, 10 to 40 weight percent of an inorganic oxide adhesive and 10 to 70 weight percent of clay. In the Y-shaped molecular sieve containing the phosphorus and the rare earth, the content of rare earth oxide accounts for 12.0 to 16.0 weight percent, and P2O5 accounts for 0.5 to 7.0 weight percent; in a <31>P MAS NMR spectrum of the molecular sieve, peak areas of resonance signals of between -16 and -12 ppm and between -25 and -21 ppm as chemical displacements account for more than 85 percent of the total peak area; and in a <27> Al MAS NMR spectrum of the molecular sieve, the peak area of a resonance signal of between -2 and 2 ppm as the chemical displacement accounts for more than 20 percent of the total peak area. The Y-shaped molecular sieve containing the phosphorus and the rare earth can be obtained by the following steps: a NaY molecular sieve is contacted with an aqueous solution containing rare earth ions and an aqueous solution containing a phosphorus-aluminum modifying agent, then is subject to hydro-thermal treatment, and finally is contacted with an ammonium salt aqueous solution. The cracking catalyst is used for catalytic cracking reactions, and has strong cracking capability of heavy oil, high yield of gasoline, and strong anti-metallic contamination capability.
Owner:CHINA PETROLEUM & CHEM CORP +1
Bacteriophage able to split multiple resistant staphylococcus aureus, separation method and application thereof
InactiveCN104845942AEfficient crackingSpecific crackingAntibacterial agentsBiocideBacteroidesDisinfectant
The invention discloses a bacteriophage able to specifically and efficiently kill multiple resistant staphylococcus aureus, a separation method and application thereof. According to the invention, the bacteriophage able to specifically and efficiently split multiple resistant staphylococcus aureus is screened out from the environment, and the bacteria splitting spectrum is wide. On the basis of a two-layer agar method, a large number of bacteriophages with bacteria splitting activity can be obtained, and the bacteria splitting activity, bacteria splitting spectrum, in vitro bacteria splitting ability and physicochemical properties of the bacteriophages can be determined. The bacteriophage has strong specificity, is difficult to make bacteria generate resistance, also does not produce adverse effect on hosts, and is a feasible method for solving the increasingly serious bacterial resistance problem. The bacteriophage provided by the invention is expected to become a novel antibacterial preparation or environmental disinfectant for preventing and controlling resistant staphylococcus aureus infection.
Owner:SHANGHAI JIAO TONG UNIV
Active porous catalytic material and preparation method thereof
ActiveCN106809853AStrong cracking abilityMesopore characteristic is obviousCatalytic crackingMolecular sieve catalystsCrystal structureBoehmite
The invention discloses an active porous catalytic material. The anhydrous chemical expression of the catalytic material is (0 to 0.3) Na2O.(10 to 50) SiO2.(50 to 90) Al2O3 according to the weight of an oxide; the average aperture is 8 to 15 nm, and the total specific surface area is 250 to 600 m<2> / g. The active porous catalytic material is characterized in that the active porous catalytic material is of a pseudo-boehmite crystal structure, and also contains an FAU crystal structure; the ratio of the micropore specific surface area is not greater than 8 percent in the total specific surface area. The material is excellent in cracking performance.
Owner:CHINA PETROLEUM & CHEM CORP +1
Preparation method of porous active catalytic material
ActiveCN106807434AReduce manufacturing costLow costCatalytic crackingMolecular sieve catalystsRoom temperatureDry basis
The invention relates to a preparation method of a porous active catalytic material, which is characterized in that firstly, an aluminium source and alkali solution are neutralized to form glue at the temperature ranging from the room temperature to 85 DEG C, and a pH value of the formed glue is controlled within a range of 7 to 11; then according to a weight ratio of SiO2 to Al2O3 of 1: (1 to 9), NaY crystallization mother liquor and / or washing filtrate are added into the formed glue solution; aging is carried out for 1 to 5 hours at the temperature ranging from the room temperature to 90 DEG C to obtain solid precipitates; according to a weight ratio of a dry basis to acid to H2O of 1: (0.03 to 0.20): (5 to 30) in the solid precipitates, exchange is carried out for at least 0.2 hour at the temperature ranging from the room temperature to 100 DEG C; content of sodium oxide in the solid precipitates is washed to below 0.3%. The porous active catalytic material obtained by adopting the method provided by the invention has higher cracking performance.
Owner:CHINA PETROLEUM & CHEM CORP +1
Residue oil hydrotreatment catalyst grading method and residue oil hydrotreatment method
ActiveCN105567311AReduce the risk of problemsWeak cracking functionTreatment with hydrotreatment processesHydrodesulfurizationResidual carbon
The invention relates to a residue oil hydrotreatment catalyst grading method and a residue oil hydrotreatment method. The residue oil hydrotreatment catalyst grading method includes filling a residue oil hydrotreatment device with a hydrogenation protection catalyst, a hydrodemetallization catalyst, a hydrodesulfurization catalyst and a catalyst for residual carbon removal by hydrogenation in order along a material flow direction. Specifically, the total acid amount of each catalyst along the material flow direction increases gradually, the proportion of Lewis acid in total acid decreases gradually, and the proportion of Bronsted acid in the total acid increases gradually. The residue oil hydrotreatment method comprises injecting residual oil into the residue oil hydrotreatment device to perform hydrotreatment, wherein the residue oil hydrotreatment device is filled with the catalyst according to the grading method. In a residue oil hydrotreatment process, the residue oil hydrotreatment catalyst grading method provided by the invention can significantly improve the residual carbon removal rate.
Owner:CHINA PETROLEUM & CHEM CORP +1
Olefin cracking catalyst resulting in high diesel oil yield and its prepn
The olefin cracking catalyst resulting in high diesel oil yield contains phosphorus and RE compositely modified Y-zeolite, or named superstable RE Y-zeolite, in 5-45 wt%. The superstable RE Y-zeolite is prepared with Na zeolite as material and through RE exchange, the first roasting, reaction with RE, phosphorus containing matter and ammonium salt and the second roasting. The catalyst has the recommended components including superstable RE Y-zeolite 5-45 wt%, one or several kinds of other zeolite 0.5-30 wt%, clay 0.5-70 wt%, and high temperature resisting inorganic oxide 1.0-65 wt%, and contains phosphorus 0.3-2.5 wt% and RE oxide 1.5-6.0. The preparation process of the catalyst includes the mixing of the said components, homogenizing, spraying and post-treatment. The catalyst has powerful olefin cracking capacity, high diesel oil yield, low coke yield and powerful heavy oil cracking capacity.
Owner:PETROCHINA CO LTD
Kit for extracting fecal microbial genome by magnetic bead method and extraction method thereof
InactiveCN109266642AHigh yieldQuality improvementMicrobiological testing/measurementDNA preparationMagnetic beadGenomic DNA
The invention discloses a kit for extracting fecal microbial genome by magnetic bead method and an extraction method thereof, belongs to the field of biotechnology; the technical scheme adopted is; akit for extracting fecal microbial genome by magnetic bead method include lysis fluid, impurity removal reagent, genomic adsorbent and eluent, in buff a, B and C combine lysis microorganisms, the humic acid and other impurities are removed by the unique precipitating solution, then adsorbing genomic DNA with magnetic beads, further removing foreign proteins and salt ions with special buffer G andbuffer H, and finally eluting the purified genomic DNA; a method for extract genomic DNA of faeces microorganism includes such step as extracting genomic DNA of faeces microorganism with high efficiency and sufficient quantity, extracting genomic DNA of faeces microorganism with high quality, extracting genomic DNA of faeces microorganism with simple procedure, high speed, safety and no pollution,shortening extracting time, and can be used for manual operation and automatic platform, and is widely suitable for extracting animal faeces genomic DNA of faeces microorganism with high speed, efficiency and economy for customers, and has wide application prospect.
Owner:TIANGEN BIOTECH BEIJING
Method for utilizing residues of catalyst production
ActiveCN102896000AOvercoming the disadvantages of poor direct exchangeIdeal for removing impuritiesCatalyst carriersCatalytic crackingMolecular sieveIon exchange
The invention discloses a method for utilizing residues of catalyst production, comprising the following steps: (1) drying catalyst residues; (2) contacting the material obtained by the step (1) with an ammonium salt solution or alkali metal saline solution to conduct ion exchange and washing, then filtering; (3) roasting the material obtained by the step (2) at 450-750 DEG C, then exchanging, washing and filtering; and (4) mixing the material obtained by the step (3) with molecular sieve residues and water and beating, filtering, drying, and then roasting at 500-700 DEG C to obtain an active carrier; and carrying out beating and spray drying on the active carrier, ultrastable Y-type molecular sieve, alumina binder and clay to obtain a cracking catalyst. The obtained catalytic cracking catalyst has the advantages of high cracking activity, high active stability, and low yields of dry gas and coke.
Owner:CHINA PETROLEUM & CHEM CORP +1
Catalytic cracking catalyst and preparation method thereof
ActiveCN101733141AReduce consumptionSimple preparation processCatalytic crackingMolecular sieve catalystsActive componentSoluble glass
The invention relates to a catalytic cracking catalyst and a preparation method thereof. The preparation method of the catalyst comprises the following steps of: leading soluble glass and acid to contact to prepare alkaline silicasol with the pH value of 10-11.5 and the SiO2 content of 3-20wt%, mixing the alkaline silicasol and active components, pulping and drying. The pore volume of the cracking catalyst prepared by the preparation method of the catalyst in the invention is higher. The catalyst of the invention has higher capability of heavy oil cracking for catalyzing and cracking the heavy oil.
Owner:CHINA PETROLEUM & CHEM CORP +1
Wide-lytic-spectrum Vibrio alginolyticus phage, composition thereof, kit and application of kit
ActiveCN110129280APromote lysisImprove thermal stabilityAntibacterial agentsViral/bacteriophage medical ingredientsMicroorganismMicrobiology
The invention belongs to the technical field of research and development of Vibrio alginolyticus phages and particularly relates to a wide-lytic-spectrum Vibrio alginolyticus phage, composition thereof, and a kit. The wide-lytic-spectrum Vibrio alginolyticus phage is Vibrio alginolyticus phage VAP7 collected under CCTCC NO: M 2018767. The inventio also discloses application of the Vibrio alginolyticus phage, a Vibrio alginolyticus phage composition, or a reagent or a kit containing the Vibrio alginolyticus phage or the Vibrio alginolyticus phage composition in the killing and / or prevention ofVibrio microbes. The Vibrio alginolyticus phage herein has a wide host range, has high toxicity to host bacteria under low concentration, can well propagate on nonpathogenic bacterial hosts, and is suitable for large-scale industrial production. Good strain resources can be provided for the application of phagotherapy.
Owner:PHAGELUX (NANJING) BIO-TECH CO LTD
Catalytic cracking catalyst as well as preparation method and application thereof
ActiveCN112138710AStrong cracking abilityGood shape selectivityCatalytic crackingMolecular sieve catalystsMolecular sievePtru catalyst
The invention relates to a catalytic cracking catalyst as well as a preparation method and application thereof. Based on the dry basis weight of the catalytic cracking catalyst, the catalytic crackingcatalyst comprises the following components in percentage by dry basis weight: 1-25wt% of Y-type molecular sieve, 5-50wt% of mesoporous-rich MFI structure molecular sieve, 1-60wt% of inorganic binderand optionally 0-60wt% of second clay, wherein the inorganic binder comprises a phosphorus-aluminum inorganic binder and / or other inorganic binders. The catalytic cracking catalyst provided by the invention has relatively high ethylene selectivity in a petroleum hydrocarbon catalytic cracking reaction.
Owner:CHINA PETROLEUM & CHEM CORP +1
Staphylococcus aureus phage and bacteriostatic application thereof
The invention relates to the technical field of microorganisms, and particularly relates to a Staphylococcus aureus phage and bacteriostatic application thereof. The Staphylococcus aureus phages107 is sent to China Center for Type Culture Collection for Preservation, the classification name is Staphylococcus aureus phages107, the preservation number is CCTCC NO: M2021125, the preservation date is January 21, 2021, and the address is Wuhan University, Wuhan City, China. The phages107 has high titer up to 2.31 * 10<10>PFU / mL, good pH stability, good temperature stability and wide lysis spectrum, and has lysis ability on 9 strains of Staphylococcus aureus, wherein the 9 strains of Staphylococcus aureus have certain drug resistance and no lysis ability on escherichia coli. The Staphylococcus aureus phage has specific lysis spectrum for Staphylococcus aureus, and has strong lysis ability. The Staphylococcus aureus phages107 can be used for preparation of drugs for treating Staphylococcus aureus induced dairy cow mastitis and other diseases.
Owner:SHANDONG AGRICULTURAL UNIVERSITY +1
Catalytic cracking catalyst and preparation method thereof
ActiveCN103657702AIncrease profitSave resourcesCatalytic crackingMolecular sieve catalystsAdhesiveX-ray
The invention relates to a catalytic cracking catalyst and a preparation method. The catalytic cracking catalyst contains a cracking activity component, a mesoporous silicon-aluminum material, clay and an adhesive, wherein the cracking activity component comprises a rare-earth Y-type molecular sieve; and the rare-earth content in the Y-type molecular sieve is 10-25 wt% on the basis of rare-earth oxides, the cell constant is 2.440-2.472nm, the crystallinity is 35-65%, the silicon / aluminum atomic ratio in the framework is 2.5-5.0, and the product of the ratio (I1 / I2) of 2theta=11.8+ / -0.1 degree peak intensity I1 to 2theta=12.3+ / -0.1 degree peak intensity I2 in an X-ray diffraction pattern and the rare-earth weight percent in the molecular sieve on the basis of rare-earth oxides is greater than 50. The preparation method comprises the following steps: preparing a mixed slurry containing the cracking activity component, mesoporous silicon-aluminum material, adhesive and clay, and carrying out spray drying. Compared with the prior art, the rare-earth-containing Y-type molecular sieve is matched with the mesoporous silicon-aluminum material, so that the catalyst has higher thermal and hydrothermal stability and higher heavy oil cracking capacity, and can reduce the consumption of the molecular sieves in the catalyst, thereby lowering the catalyst production cost.
Owner:CHINA PETROLEUM & CHEM CORP +1
Pasteurella bacteriophage, bacteriophage composition and application of pasteurella bacteriophage
ActiveCN111909904AReduce the probability of diseaseLow costAntibacterial agentsBiocidePasteurellosisLaboratory culture
The invention discloses a pasteurella bacteriophage, a bacteriophage composition and an application of the pasteurella bacteriophage. The bacteriophage is named as vB_PmuP_PS01, is preserved in ChinaGeneral Microbiological Culture Collection Center on May 15, 2020, and has a preservation number of CGMCC No.19971. The bacteriophage has a relatively strong lysis effect on rabbit-derived pasteurella, can effectively prevent and control pasteurellosis in a rabbit farm and reduce septicemia and hemorrhagic inflammation of rabbits caused by pasteurella multocida, is safe to use, has no side effect,and can solve the problems of antibiotic residues caused by using antibiotics and induction of drug-resistant pasteurella while solving the problem of infection caused by the pasteurella. In addition, the bacteriophage is wide in application and can also be used for preparing rabbit feed additives, environment and feed disinfectants, detection kits and the like.
Owner:QINGDAO PHAGEPHARM BIO TECH CO LTD
Environment-friendly modified PVC resin cable sheathing material
ActiveCN104327419AReduce friction heating effectEasy to degradePlastic/resin/waxes insulatorsClimate change adaptationEnvironmental resistanceFiber
The invention discloses an environment-friendly modified PVC resin cable sheathing material which comprises the following raw materials in parts by weight: 70-90 parts of PVC resin, 30-40 parts of nanofiber, 10-14 parts of modified nylon materials, 1-1.5 part of sulfur powder, 50-54 parts of white carbon black, 30-40 parts of nano silica, 30-35 parts of organic bentonite, 1.5-2 parts of methylsilicone oil, 0.5-1 part of anti-aging agent MB, 1-1.4 part of anti-aging agent RD, 2-2.4 parts of accelerant CZ, 1.6-2 parts of accelerant D, 1.5-3 parts of barium stearate and 2-3 parts of zinc oxide. The environment-friendly modified PVC resin cable sheathing material is environment-friendly, small in environmental pollution after being buried, and high in tensile strength and tear strength and good in anti-aging property in the using process.
Owner:ZAOZHUANG POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER +1
Preparation of WO3/ZrO2 nano microparticle catalyst supported on gamma-Al2O3
InactiveCN101214436AStrong cracking abilityHigh strength cracking abilityHydrocarbonsHydrocarbon from saturated and unsaturated hydrocarbon additionAlkyl transferIce water
The invention relates to a preparation method of a WO3ZrO2 nano micro particle catalyst loaded on Gamma-Al2O3, which is as below: first, the SiO2.12WO3.26H2O and ZrOCl2 mixed reverse micelles solution is obtained; the reverse micelles solution of NaOH is added into the SiO2.12WO3.26H2O and ZrOCl2 mixed reverse micelles solution drip by drip by a dropping funnel and cooled in ice water bath; dripping of the reverse micelles solution of NaOH is finished within 90 min; the mixed reverse micelles solution is continued to be mixed for 22 hours to complete the reaction, and the WO3ZrO2 nano micro particles are obtained; because of high acid content and acid strength, the product has strong disintegration capability to C12+ and C16+, so the yield of C5-C7 is high; similarly, because the product has strong capability of anti-inactivation and alkylation reaction, the yield of TMP is high, and that of the alkene is correspondingly reduced.
Owner:孙文东
Staphylococcal bacteriophage composition and application thereof in medicaments for staphylococcal infection diseases
ActiveCN111254122ANot easy to inactivateExpand the scope of sterilizationAntibacterial agentsBiocideDisinfectantLysis
The invention discloses a staphylococcal bacteriophage composition and an application thereof in medicaments for staphylococcal infection diseases. The bacteriophage composition is formed by compounding a staphylococcal bacteriophage vB-SauM-PB67 strain and a staphylococcal bacteriophage vB-SauM-PB93, and also discloses a pharmaceutical composition, feed additive and disinfectant taking the bacteriophage composition as a main active component and an application of the pharmaceutical composition. The bacteriophage composition has a strong lysis effect on bovine staphylococcus and can be used for preventing and treating diseases caused by bovine staphylococcus infection. Compared with single lysis single-strain bacteriophage, the bacteriophage composition greatly widens the sterilization range, increases sterilization activity, and can improve physique and disease resistance of dairy cows. Moreover, the bacteriophage composition is low in cost and is environmentally friendly.
Owner:QINGDAO PHAGEPHARM BIO TECH CO LTD
Enterococcus faecalis phage and separation, purification, enrichment and application thereof
ActiveCN110129279AStrong cracking abilityReduce usageAntibacterial agentsDigestive systemLysisElectron microscope
The invention relates to enterococcus faecalis phage and separation, purification, enrichment and application thereof, and belongs to the field of bioengineering. The phage is deposited at the China Center for Type Culture Collection with the accession number of CCTCC NO: M 2019276 on April 19, 2019, and has strong lysis effect on enterococcus faecalis. The phage analyzed morphologically by an electron microscope belongs to typical tailed phage and myoviridae, and is named as enterococcus faecalis phage PEf771; the infection temperature range of the phage PEf771 is 20-42 DEG C; the phage PEf771 has activity being 70% or above when pH is 4-8, and the phage PEf771 has poor thermal stability and cannot tolerate high temperature of 60 DEG C or above for a long time. The phage disclosed by theinvention can be used for specifically lysing the enterococcus faecalis. The application example also proves that the phage can be used for bacterial infection caused by the enterococcus faecalis, andis used as a substitute of antibiotics to safely and effectively maintain oral microecology.
Owner:KUNMING UNIV OF SCI & TECH
Catalytic cracking catalyst, preparation method thereof, and method for catalytic cracking of hydrocarbon oil
ActiveCN112138712BStrong cracking abilityGood shape selectivityCatalytic crackingMolecular sieve catalystsMolecular sievePtru catalyst
The invention relates to a catalytic cracking catalyst and a preparation method thereof and a method for catalytic cracking of hydrocarbon oil. Based on the dry basis weight of the catalyst, the catalyst contains 1-30% by weight of Y-type molecular sieve based on the dry basis weight. 5-55% by weight of mesoporous-rich phosphorous and metal-containing MFI structured molecular sieve, 1-60% by weight of inorganic binder on dry basis and optionally 0-60% by weight of The second clay, the inorganic binder includes phosphorus aluminum inorganic binder and / or other inorganic binders. The catalyst of the invention has better ethylene selectivity in the petroleum hydrocarbon catalytic cracking reaction, and can produce more propylene and BTX at the same time.
Owner:CHINA PETROLEUM & CHEM CORP +1
Vibrioharveyi bacteriophage, and bacteriophage composition and application thereof
ActiveCN111676197AStrong cracking abilityComprehensive disinfectionAntibacterial agentsBiocideBiotechnologyAquaculture industry
The invention discloses a vibrioharveyi bacteriophage, and a bacteriophage composition and application thereof. The bacteriophage is named as vB_KaS_PK08, and is preserved in China General Microbiological Culture Collection Center on 15th May, 2020, and the preservation No. is CGMCC No.19973. The bacteriophage not only has wide lysis spectrum, is high in specificity, and can effectively prevent and control vibrioharveyi diseases of in-home aquatic farms, and invasion probability of various diseases caused by the vibrioharveyi can be greatly reduced. The vibrioharveyi bacteriophage can also bewidely applied to respects of daily disinfection for links and breeding environment, to which loss is easy to cause due to infection with the vibrioharveyi in the aquaculture process, bacteriostasis of aquatic products and fresh foods, and the like, and is beneficial for healthy development of aquaculture trade.
Owner:QINGDAO PHAGEPHARM BIO TECH CO LTD
Catalytic cracking catalyst, preparation method and application thereof, and catalytic cracking method
PendingCN113546672AImprove pore structureImprove stabilityMolecular sieve catalystsMolecular sieve catalystMolecular sieveOxide
The invention relates to the field of hydrocarbon oil catalytic cracking, and discloses a catalytic cracking catalyst. The catalyst comprises a modified ZSM-5 molecular sieve, a binder and optional clay, on the basis of the dry base weight of the catalyst, the content of the modified ZSM-5 molecular sieve in terms of dry base is 20-60 wt%, the content of the clay in terms of dry base is 0-50 wt%, and the content of the binder in terms of oxide is 10-40 wt%; the modified ZSM-5 molecular sieve comprises a ZSM-5 molecular sieve and alkaline earth metal elements; on the basis of the dry basis weight of the modified ZSM-5 molecular sieve, in terms of oxide, the content of the alkaline earth metal element is 10-30 wt%; and the molar ratio of SiO2 to Al2O3 of the modified ZSM-5 molecular sieve is 15-50. When the catalyst is applied to a cracking reaction, the cracking capability is stronger, the yield of low-carbon olefin is higher, and the propylene selectivity is higher.
Owner:CHINA PETROLEUM & CHEM CORP +1
Method for producing high-quality gasoline
ActiveCN108102704AReduce sulfur contentLow octaneTreatment with hydrotreatment processesHydrocarbon oils treatment productsWaxHydrogen
The invention discloses a method for producing high-quality gasoline. The method comprises the following steps: heavy oil raw materials are mixed with hydrogen, and the mixture passes through a reaction zone containing a wax oil hydrogenation conversion catalyst for a reaction; b), separation is performed on reaction effluent obtained in step a), and converted gasoline and converted diesel are obtained; c) the converted diesel obtained in step b) is mixed with hydrogen, and the mixture passes through a reactor containing a diesel hydrogenation upgrading catalyst bed layer for a reaction; d), reaction effluent obtained in step c) is separated, and upgraded gasoline and upgraded diesel are obtained; e), the upgraded diesel obtained in step d) is mixed with a conventional catalytic cracking feed material, the mixture is subjected to a catalytic cracking reaction, separation is performed on reaction effluent, and catalytic gasoline is obtained; f), gasoline components obtained in step b),step d) and step e) are blended, and the high-quality gasoline product or a blend component is obtained. The high-quality gasoline product or the gasoline blend component can be obtained by effectively processing the heavy oil raw materials.
Owner:CHINA PETROLEUM & CHEM CORP +1
Vibrio harveyi phage vB_KaS_PK22, Vibrio harveyi phage-containing phage composition and application of Vibrio harveyi phage
ActiveCN111705041AReduce morbidityReduce mortalityAntibacterial agentsBiocideBiotechnologyAquaculture industry
The invention discloses a Vibrio harveyi phage vB_KaS_PK22, a Vibrio harveyi phage-containing phage composition and application of the Vibrio harveyi phage. The phage vB_KaS_PK22 is deposited in the China General Microbiological Culture Collection Center on May 15, 2020, and has a collection number of CGMCC No. 19974. The phage composition includes the Vibrio harveyi phage vB_KaS_PK22 and other matched phage. The phage has a wide lysis spectrum and high specificity, and is capable of effectively preventing and controlling Vibrio harveyi in aquaculture farms and greatly reducing the incidence of multiple diseases which are caused by Vibrio harveyi; and the Vibrio harveyi phage can also be applied widely to steps with easy losses which are caused by infection of Vibrio harveyi, daily disinfection of breeding environments and bacteriostasis of fresh aquatic products in the process of aquaculture, so that healthy development of the aquaculture industry is facilitated.
Owner:QINGDAO PHAGEPHARM BIO TECH CO LTD
Kit for extracting genome DNA based on magnetic material and application method
The invention provides a kit for extracting genome DNA based on a magnetic material and an application method. The kit comprises a lysis solution, a binding solution, a washing solution, an eluent and a magnetic bead suspension, wherein magnetic beads in the magnetic bead suspension are Fe3O4@UiO-66 composite materials; and the eluent is a TE buffer solution. According to the method, the Fe3O4@UiO-66 composite materials are selected to be used as DNA adsorption materials, a composite material with pores is formed through interaction between zirconium ions and ferroferric oxide, nucleic acid separation is achieved under the effect of a magnetic field through pore adsorption, and great significance is achieved on the research related to nucleic acid extraction. The invention also provides an application method of the kit, and the method has the characteristics of low cost, high extraction efficiency and high purity of extracted nucleic acid, is applicable to bacterial nucleic acid extraction, and can also be applied to nucleic acid extraction of other pathogenic microorganisms and biological tissues.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Preparation method of silicon-containing cracking catalyst
ActiveCN101455977AImprove wear resistanceLow bulk densityCatalytic crackingMolecular sieve catalystsMolecular sieveVolumetric Mass Density
The invention provides a method for preparing a catalytic cracking catalyst. The method comprises the following steps: (1) deionized water and aluminum binder are mixed, beaten and added with acid and anticoagulant polymerization inhibitor; (2) part of silicon binder and clay are mixed and beaten; (3) molecular sieves and the deionized water are mixed and beaten; (4) serous fluids in steps (1), (2) and (3) are mixed and beaten; (5) a serous fluid obtained in a steps (4) is added with silicon binder, beaten and then added with acid; and (6) the serous fluid in step (5) is dried. The method is used for preparing the cracking catalyst containing silicon binder, can overcome the disadvantages that colloid in a method using silica sol to prepare the catalyst is easy to solidify, loses fluidity and is incapable of spray molding, and is low in preparation cost. The cracking catalyst prepared by the method has the advantages of good wear resistance, low bulk density, large pore volume, large aperture and good heavy oil cracking capability.
Owner:CHINA PETROLEUM & CHEM CORP +1
A kind of catalytic cracking catalyst and its preparation method and application
ActiveCN112138710BPromote migrationGood synergyCatalytic crackingMolecular sieve catalystsMolecular sievePtru catalyst
The present invention relates to a catalytic cracking catalyst and its preparation method and application. Based on the dry basis weight of the catalytic cracking catalyst, on a dry basis, the catalytic cracking catalyst contains 1-25 wt% Y-type molecular sieve, 5-50 wt% MFI structure molecular sieve rich in mesopores, 1-60% by weight of an inorganic binder and optionally 0-60% by weight of a second clay, the inorganic binders include phosphor-aluminum inorganic binders and / or other inorganic binders. The catalytic cracking catalyst provided by the invention has high ethylene selectivity in the catalytic cracking reaction of petroleum hydrocarbons.
Owner:CHINA PETROLEUM & CHEM CORP +1
Kit and application thereof
ActiveCN106754884AHigh purityLow costMicrobiological testing/measurementDNA preparationChemistryTriton X-100
The invention relates to a kit and application thereof. Particularly, the kit comprises a cell nucleus separating solution, wherein the cell nucleus separating solution is prepared from 20 to 50 mmol / L of Tris, 0.01 to 0.2 percent of Triton X-100, 1 to 10 mmol / L of EDTA, 5 to 50 mmol / L of MgCl2, and 5 to 50 mmol / L of KCl. Therefore, the kit can be used for effectively pretreating blood, so as to obtain cell nucleus sediments for subsequent treatment.
Owner:TIANGEN BIOTECH BEIJING
Super-stable Y zeolite, preparation method and application thereof
ActiveCN102020289BIncrease the areaHigh crystallinityCatalytic crackingMolecular sieve catalystsOrganic acidNitrogen
Owner:CHINA PETROLEUM & CHEM CORP +1
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