1219 results about "Oil processing" patented technology

The invention discloses a comprehensive extraction method for extracting tea seed oil, tea saponin and tea seed polysaccharide from tea seeds or camellia seeds, belonging to the process fields of grain and oil processing and byproduct extraction. The method comprises the following steps of: with shelled tea seeds as a raw material, firstly, cooking to produce oil; then, adding an exogenous enzyme to obtain a boiled oil layer of a first level an emulsified oil layer, a water layer and a slag layer through zymolysis, blanching and still standing; demulsifying the emulsified oil layer to take boiled oil of a second level; mixing the oil layers of the two levels; centrifugalizing to obtain the tea seed oil; depositing the water layer in alcohol to separate the tea saponin and the tea seed polysaccharide; leaching the slag layer with water or monohydric alcohol to further separate the tea saponin and the tea seed polysaccharide; and purifying a clear solution which is leached with the water or the alcohol with a macroporous absorption resin chromatography column, eluting a resin adsorbate with a base and then an ethanol and collecting an ethanol eluant to obtain high-purity tea saponin. The tea seed oil, the tea saponin and the tea seed polysaccharide are synchronously prepared, thus the invention realizes that a tea seed or camellia seed resource is comprehensively extracted and utilized and has the advantages of simple process, less needed equipment and low cost.

The invention relates to a heavy oil processing method by combining thermal cracking and gasification. A raw material is conducted to a reactor from the bottom of a gas-solid separation region, is dispersed into oil drops through an atomizer; a lightweight component of the oil drop is volatilized to form oil gas in the falling process of the oil drops in a thermal cracking region; a heavy component is condensed to form coke, wherein the oil gas carries out thermal cracking reaction; coke particles drop into a gasification region and carry out gasification reaction at a temperature of between 800 and 1,600 DEG C to generate synthetic gas; one part of residual fine coke particles drop into an ash hopper to form clinker; the other part of the residual fine coke particles and the generated gas flow upwards together, are contacted with the descending liquid drops and carry out heat exchange; gas phase and coke in the gas-solid separation region of the upper part of the rector are separated; the separated fine coke particles re-drop into the thermal cracking region and the gasification region and continuously react; and the separated gas phase flows out of the rector, enters a subsequent separation system and is separated into synthetic gas, dry gas, liquid gas, gasoline, diesel, oil slurry and other products. The method has high gasification efficiency and reasonable utilization of heat energy and reduces energy consumption.

The invention discloses a method used for measuring the content of gasoline olefin on the basis of Raman spectra, sequentially comprising the steps as follows: the content of olefin in a training sample is measured by a fluorescent indicator adsorption method or a multidimensional gas chromatography; the Raman spectra of the training sample is measured; the measured Raman spectra is preprocessed by smooth filtration, benchmark line correction and standard normalization; a gasoline olefin content correction model is established by applying a least squares support vector machine on the Raman spectra of the preprocessed training sample and the measured olefin content; the Raman spectra of the oil sample to be measured is measured and the Raman spectra is preprocessed by smooth filtration, benchmark line correction and standard normalization; and the olefin content of the oil sample to be measured is calculated according to the correction model. The method combines the Raman spectra with the least squares support vector machine to analyze the content of the olefin in the gasoline, obviously improves the detection precision, greatly shortens the measurement time simultaneously, has no consumption of the sample during the measurement process, and has important significance on the quality control during the oil processing.

The present invention discloses a modified carbon-covered alumina support with a core-shell structure and a preparation method thereof. The modified carbon-covered alumina support of the present invention is a granule with the core-shell structure. A shell of the core-shell structure is alumina deposited with carbon, and an inner core of the core-shell structure is an industrial alumina support. The modified carbon-covered alumina support of the present invention has the advantages of high specific surface area, large pore volume, high mechanical strength, and the like; the aperture distribution is more concentrated; total acid quantity is increased obviously, and strong acid quantity is reduced; the modified carbon-covered alumina support can be directly used as a catalyst during certain processes and is more applicable to be used as a catalyst support, in particular as a hydrogenation treatment catalyst support during petroleum processing course.

The invention discloses a catalyst of hydrogenated and cracked inferior heavy oil and residual oil suspending bed, which is characterized by the following: adopting 75-98m% water as dispersing dielectric; selecting 2-25m% transition sulfate metal (Fe, Co, Ni, Cr, Cu, Mn, Mo, W) as dispersing phase; controlling grain size between 0.1-100um; hydrogenating and cracking heavy oil into light oil.

The invention relates to a degumming process for edible vegetable oil and the application thereof. The degumming process for edible vegetable oil comprises the following steps: reacting raw oil with an acid to convert non-hydrated phospholipids in the raw oil into hydrated phospholipids, agglomerating micelles by hydration, and performing centrifugal separation to obtain degummed oil. The degumming process for edible vegetable oil can be applied to refining of edible vegetable oil. The invention further discloses a process of refining edible vegetable oil, which can produce RBD oil products by performing the following steps in sequence: degumming process mentioned above, decoloring treatment, deacidifying treatment and deodorizing treatment. The degumming process for edible vegetable oil is suitable for degumming of various edible vegetable oil, particularly seed oil with high phosphorus content (more particularly seed oil with high non-hydrated phospholipids content), and has excellent degumming effect. The degumming process is an innovation in oil and fat degumming aspect, and besides, the improvement on the degumming process promotes the generation of novel physical refining techniques in oil processing.

The invention discloses a solid catalyst in the oil distill hydrogenating course, which comprises the following steps: adopting metal oxide and phosphate salt to make oxide primer; placing the primer in the plasma reactor; aerating hydrogen at 10-600h-1; loading 10-20kV to generate plasma; reducing for 10-180 min; obtaining deep solid as phosphate catalyst.

The invention relates to a method for extracting raffinate oil and tea saponin from tea seed cake after oil extraction, which belongs to the field of grain and oil processing and byproduct extracting techniques. The technique of the invention mainly comprises the processes: after the extracted tea seek cake is crashed and dried, the raffinate oil is extracted by using industrial hexane or sherwood oil, the extracted raffinate oil is distilled to remove the solvent so as to obtain crude oil; the distilled solvent can be recycled, the tea seed cake after the raffinate oil is adopted to leach tea saponin by 85 to 95 percent ethanol, the tea saponin is subjected to the water bath heat and reflux for 2 to 3 hours at a temperature of between 70 and 80 DEG C, the tea saponin concentrated solution is obtained after filtering, distilling and concentrating processes, the depigmentation treatment is performed by using active carbon or 35 percent H2O2, and certain mount of acetone is added to the processed solution to keep stand for 1 to 2 hours; and after the tea saponin separates out completely, and the product of tea saponin is obtained by filtering and drying processes.

The invention discloses a catalyst for low quality heavy oil or residue suspended bed hydrocracking and preparation method belongs to oil process technology area. The catalyst is a sulfurization form transition metal nm particle that existing in the reversed phase micelle colloidal solution, the disperse medium of reversed phase micelle colloidal solution is organic phase, the disperse phase is a water phase parceled by surface activity, sulfurization form transition metal nm particle steady consist in the water phase. The transition metal active ingredient in disperse phase elect as Cu,Mn,Fe,Co,Ni,Cr,Mo,W,Zn,Sn,Pb elementary sulfurization form particle and so on, the grain size between 1nm-1000um. This catalyst can uniformly dispersed in the low quality heavy oil,residue, and under the certain reaction temperature and hydrogen aura, the low quality heavy oil or residue containing catalyst through suspended bed hydrocracking translated into light oil. On the premise of reducing catalyst enter quantity, the invention effectively controlled the coking products in heavy oil or residue suspended bed hydrocracking process, improved the yield of light oil.