Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

77 results about "Distilled oil" patented technology

Molecularly distilled fish oil is purified by a process that maintains a low temperature and mild handling conditions. Distillation is a purification and concentration method by which the substances of interest evaporate, travel a distance, and condense on a separate surface.

Method for producing petrol and diesel oil by recycling waste lubricant oil

The invention relates to a method for producing gasoline and diesel fuel through resource utilization of waste lubricant oil, which belongs to the technical field of environmental protection and energy resources. The method comprises: integrally performing the vapor phase catalytic cracking process on molecular sieve / alumina catalyst of the waste lubricant oil and the fractionation and separation process of reaction products in a reaction fractionator; injecting crude waste oil into a distillation kettle, and adopting waste residue and fuel gas generated during conversion of the waste lubricant oil for heating, wherein the temperature of the distillation kettle is controlled to be between 250 and 500 DEG C; making distilled oil gas enter the reaction fractionator which is filled with the molecular sieve / alumina catalyst for reaction and rectification when the distillation kettle is heated to 250 DEG C, wherein the ratio of the catalyst to oil is controlled to be between 1 and 20; and cutting the oil into the gasoline and the diesel fuel according to the distilled temperature, wherein fuel gas generated by reaction and residual cinder can be used for heating the distillation kettle, and generated fuel gas can be used for heating the distillation kettle. The method has the advantages of wide range of raw materials, normal-pressure reaction and separation, simple technological flow, high conversion and selectivity of products, long service life of the catalyst, comprehensive utilization of the fuel gas and the cinder, no secondary pollution, large operating flexibility of a production apparatus, and small investment.
Owner:DALIAN UNIV OF TECH

Technique for distilling oil from waste carclazyte by extraction method and device thereof

The invention relates to a technique to extract oils and fats in waste bentonite by solvent extraction directly and devices thereof. Processing steps are to preheat the waste bentonite with oils and the solvent to 50-55DEG C respectively, drop the waste bentonite with oils and the solvent into extracting machine with putting-down trap valve in ration, extract the mixed oils with the oils and fats and the solvent after at least twice immersions, feed the turbid mixed oils with the solvent into the mixed oils tank, and the mixture is dropped into evaporators for evaporating after settling down again, then filterable oils with standard quality can be recycled. After extracting from the net bucket detearing conveyors and exsolution from desolventizer, the purer waste bentonite can be achieved. The solvent air can be reused after condensating water and recycling. The invention is simple in technology, distinct in device, lower in production cost, and high in extraction efficiency, which is safe, reliable energy-conservational and environment-friendly. The invention with highly economic and social value applies to not onlythe petroleum chemical industry, but also the treatment of the waste bentonite in the vegetable oil processing industry.
Owner:范生安 +1

Method for preparing aquilaria essential oil

The invention discloses a method for preparing the aquilaria essential oil, and belongs to the technical field of manufacturing and extracting essential oils, which comprises a steam distillation column and a vacuum control distillation column. The feed port of the steam distillation column is connected with crushed agarwood and water. The reaction discharging port of the steam distillation column is connected with an oil-water separator. The distilled water and the distilled oil are separated. The distilled water is circularly fed into the steam distillation column and the distilled oil is fed into the vacuum control distillation column. The distillation column of the vacuum control distillation column is placed in a heating jacket and two pipes are led out of the pylon of the column, wherein the lower pipe serves as an essential oil outflow pipe and the upper pipe serves as a vacuum control pipe. A set of condensers is arranged between the ports of the two pipes. The vacuum control pipe is provided with a vacuum valve and the end portion thereof is connected with a vacuum device. A condenser is arranged in the essential oil outflow pipe. According to the invention, the vacuum distillation technology is combined with the vapor distillation technology, so that the refined aquilaria essential oil can be extracted. The extraction time is greatly shortened and the thermal stability of the extraction process is ensured. The components of the essential oil are less susceptible to damage and volatile loss, and the flowability of the aquilaria essential oil is improved. Meanwhile, the product quality of the aquilaria essential oil is improved.
Owner:聂超

Synthesis technology for 2, 4, 6-trimethylbenzene acetyl chloride

The invention relates to a synthesis technology for 2, 4, 6-trimethylbenzene acetyl chloride, comprising the following steps of: putting thionyl chloride, a catalyst and 2, 4, 6-trimethylbenzene acetic acid into a reaction kettle in batches, and controlling temperature to carry out reaction; and after the reaction, distilling (high vacuum) in a heating way in the reaction kettle, and acquiring a final product. The preparation method of the 2, 4, 6-trimethylbenzene acetic acid can comprise the following steps of: carrying out chloromethylation reaction by taking trimethylbenzene, formaldehyde and concentrated hydrochloric acid as raw materials, adding toluene to extract after reacting, and washing to obtain a toluene solution of 2, 4, 6-trimethyl benzyl chloride; taking the toluene solution of 2, 4, 6-trimethyl benzyl chloride and the sodium cyanide as raw materials, adding a phase transfer catalyst, reflowing in a heating way to carry out cyanation reaction, washing by adding water after reacting, distilling oil phase to recover toluene and mesitylene, and rectifying to obtain 2, 4, 6-trimethylbenzene acetonitrile; and hydrolyzing the 2, 4, 6-trimethylbenzene acetonitrile, centrifuging to obtain a 2, 4, 6-trimethylbenzeneacetic acid crude product, and optionally selecting and carrying out the aftertreatment to obtain the 2, 4, 6-trimethylbenzeneacetic acid. The content of the 2, 4, 6-trimethylbenzene acetyl chloride synthesized by the method disclosed by the invention is more than or equal to 98.0%, and the content of the 2, 4, 6-trimethylbenzene acetonitrile is less than or equal to 0.5%.
Owner:SUQIAN COSMOS CHEM +1

Sludge treatment method

The invention discloses a method for coupling sludge drying and carbonizing based on organisms. The method comprises the steps of S1, adding original sludge from a sewage plant into a flocculating agent which accounts for 1-3%o of the oven-dry weight of the sludge for concentration, and using a belt filter press to filter-press the concentrated sludge to obtain filter cake and a filtrate; S2, adding pulverized straw of which the moisture content is 10-35% into the filter-cake sludge obtained in S1, fully mixing the materials to obtain a mixture, and draining the obtained filtrate to the sewageplant for treatment, wherein the mixing ratio of biomass of the sludge to biomass of the pulverized straw is (2-4):1; S3, adding a microbial agent which accounts for 3-6%o of the oven-dry weight of the mixture into the mixture obtained in S2 for mixing, and fermenting and drying a to-be-dried material pile obtained after mixing to obtain biological dried sludge; S4, placing the biological dried sludge obtained in S3 into a carbonizing furnace for carbonization for 20-40 min to obtain carbonized sludge, and conducting pyrolysis to obtain gas and distilled oil; activating the obtained carbonized sludge, afterwards, mixing the carbonized sludge back into a sludge biological drying and fermenting bin for mixed fermenting, introducing the obtained pyrolysis gas and oil into an incinerator or asecondary combustion chamber of an incinerator system for combustion, and then introducing combusted exhaust gas into the carbonizing furnace.
Owner:NANJING WONDUX ENVIRONMENTAL PROTECTION TECH CO LTD

Pressing method of black pearl sunflower seed oil

The invention relates to the technical field of edible oil processing, in particular to a pressing method of black pearl sunflower seed oil. Black pearl sunflower seeds are kept for 20-22 min under the pressure of 0.15-0.18 MPa in the microwave power of 32-35 W/g, the pressure is reduced immediately until the black pearl sunflower seeds are in the vacuum state, the black pearl sunflower seeds are kept for 12-15 min in the vacuum state, rolled and shelled, the shelled black pearl sunflower seeds are repeatedly pressed for 30-40 min, crude oil and pressed residues are obtained, the pressed residues are crushed, water is added, the volume ratio of water to the pressed residues is 1:3, the PH (potential of hydrogen) is adjusted to 5, papain is added for enzymolysis, enzymolysis residues are reserved and dried until the water content is lower than 10%, the enzymolysis residues are fed to a steam generator and distilled at the steam temperature of 100-120 DEG C under the pressure of 0.022-0.025 MPa until no clear oil droplets flow out of effluent, distillation is stopped, and distilled oil is obtained; the crude oil and the distilled oil liquid are mixed and introduced into the steam generator to be distilled at the steam temperature of 130-150 DEG C under the pressure of 0.035-0.038 MPa until no clear oil droplets flow out of effluent, and distillation is stopped.
Owner:CHUZHOU YINSHI GREASE CO LTD

Tubular furnace and waste lubricating oil recovery device formed thereby

The invention discloses a tubular furnace and a waste lubricating oil recovery device. The tubular furnace comprises a furnace body which comprises a furnace head, a furnace body, a furnace tail, heating pipes and an exhaust device, wherein the heating pipes are transversely arranged in the furnace body in parallel and are connected with a control valve. The waste lubricating oil recovery device comprises the tubular furnace, wherein waste lubricating oil enters into the tubular furnace to be heated, and the heated oil enters into a distillation kettle to be divided into two parts, wherein one part of distilled oil enters into an oil storage tank and is acid-washed and alkali-washed, subjected to impurity removal by a white clay tank and filtered by a plate and frame filter to obtain light fuel oil. The other part is deslagged through a slag oil tank to obtain heavy fuel oil. The heating pipes of the tubular furnace are transversely arranged and the tubular furnace is connected with the distillation kettle through an oil pump. An overflow tank is connected to the distillation kettle. The heating pipes of the tubular furnace are transversely arranged, so that the furnace is not easy to coke. Compared with conventional single kettle production and vertical tubular furnace production, the fuel oil recovery device has the characteristics of anti-coking performance, large handling capacity and high oil yield.
Owner:SHANGQIU DONGHE SPECIAL EQUIP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products