Liquid treating or treating in liquid phase, e.g. dissolved or suspended (B01J38/48)

Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil // 2607764
FIELD: chemistry.SUBSTANCE: invention relates to a method for treating a catalyst discharged from bubbling bed hydrogenation of residual oil. Method comprises following steps: (1) adjustment and control to reduce viscosity, wherein catalyst discharged intermittently from a bubbling bed hydrogenation reactor for residual oil, is adjusted for storage and then discharged continuously, subjected to temperature adjustment by adding water, such that viscosity of oil adsorbed on surfaces and inside pores of discharged catalyst particles is reduced, and flowability of adsorbed oil on surfaces and inside pores of the discharged catalyst particles is improved; (2) desorption and separation by rotational flow, wherein adsorbed oil is desorbed and separated from surfaces and inner pores of discharged catalyst particles by a flowing shear force from a rotational flow field; (3) separation and resource utilisation of three phase oil-water-catalyst, wherein oil/water/catalyst mixture produced from desorption and separation by rotational flow, is subjected to three-phase separation, achieving recovery of oil, recycling of water obtained by separation, and full recovery of solid particles obtained by separation. Invention also discloses a device for implementation of method.EFFECT: technical result consists in reduction of cost of treatment, simplified process, higher oil recovery factor, reduced tendency to formation of secondary sources of contamination.10 cl, 1 dwg, 1 ex

ethod for oil fractions hydroconversion as per slurry-technology that ensures extraction of metals, catalyst and raw stock including stage of coking // 2570200
FIELD: oil and gas industry.SUBSTANCE: invention is related to method for hydroconversion of heavy oil fractions that includes stage of raw stock hydroconversion at least in one reactor containing suspended catalyst and allows recuperation of metals from non-converted bottom fraction, in particular metals used as catalysts. The method includes stage of hydroconversion, stage of gas/fluid separation, coking stage, burning stage, stage of metals extraction and stage of preparation of catalyst solutions, which are recirculated at stage of hydroconversion.EFFECT: very high degree of metals extraction for the purpose of their further usage.12 cl, 2 dwg

ethod of hydroconversion of oil fractions as per slurry-technology, ensuring extraction of catalyst metals and raw stock including extraction stage // 2569849
FIELD: oil and gas industry.SUBSTANCE: invention relates to the method of the hydroconversion of heavy oil fractions, including stage of the raw stock hydroconversion in at least one reactor, containing suspended catalyst, ensuring the ability for metals recuperation from the residual unconverted fraction, in particular used as catalyst. The method includes stage of the hydroconversion, stage of gas/liquid separation, at least one stage of extraction liquid/liquid, combustion stage, stage of metals extraction, and stage of catalytic solutions making, that circulate to stage of the hydroconversion.EFFECT: recuperation and return to cycle of all metals escaped from catalysts and heavy fractions.13 cl, 3 dwg

ethod of hydroconversion of oil fractions using slurry technology ensuring extraction of metals of catalyst and raw materials, including washing stage // 2567232
FIELD: oil-and-gas industry.SUBSTANCE: invention relates to the method of hydroconversion of heavy oil fractions comprising a stage of hydroconversion of raw materials at least in one reactor containing the suspended catalyst. The method includes a hydroconversion stage, a gas/liquid separation stage, an extraction liquid/liquid stage, a crushing stage, a washing stage, a burning stage, a metal extraction stage and a stage of preparation of catalytic solutions which are recirculated at the hydroconversion stage.EFFECT: recovery and recycling of metals separated from catalysts and heavy fractions during hydroconversion process.15 cl, 3 dwg

Installation and method for isomerisation of hydrocarbon flow // 2539562
FIELD: chemistry.SUBSTANCE: invention refers to an installation for the isomerisation of a hydrocarbon flow rich in hydrocarbon C4 and/or at least one of hydrocarbons C5 and C6. The installation comprises: A) a container, which comprises a fluid containing a hydrogen-rich gas; B) a device for displacing the above fluid flow receiving the fluid containing the hydrogen-rich gas from the above container; C) at least one drier receiving the fluid containing the hydrogen-rich gas from the above device for displacing the fluid; the above at least one drier operates in the first mode to dry the fluid containing the hydrogen-rich gas and in the second mode in the regeneration environment performed by means of a regenerant; D) a reactor connected with at least one drier for receiving the fluid containing the hydrogen-rich gas; at least one drier is connected to the above container by at least supplying the fluid containing the hydrogen-rich gas, or the regenerant through a flow orifice at least for the flow regulation and/or decrease in the pressure of the regenerant supplied into the above container. The invention refers to a method.EFFECT: using the present invention enables reducing the undesired effect following the regeneration of the gas drier preventing functional failures of downstream equipment.9 cl, 4 dwg

Plant and method for isomerisation of hydrocarbon flow // 2534984
FIELD: oil-and-gas industry.SUBSTANCE: invention relates to isomerisation of hydrocarbon flow rich in C4 and/or at least one of C5 and C6. Proposed plant comprises: first and second dehydrator adapted for intake of fluid including at least one reagent. Note here that said first dehydrator can operate in one reagent-fluid drying first mode. Second dehydrator can operate in second mode for recovery with the help of regenerating agent. Reaction zone is communicated with first dehydrator to receive fluid containing at least one reagent and with second dehydrator to receive regenerating agent. Note also that regenerating agent flows through fluid restrictor for adjustment of regenerating fluid flow rate to reaction zone. First pipeline feeds fluid bearing fluid rich on C4 and/or one of C5 and C6 from first dehydrator into reaction zone. Second pipeline communicates second dehydrator with reaction zone. Note here that said fluid restrictor comprises orifice or control valve connected with at least first or second pipeline. Besides, this invention relates to dehydrator recovery.EFFECT: invention decreases undesirable effect of the gas dehydrator recovery that helps to keep the devices work properly.6 cl, 3 dwg

Device and method for isomerisation of flow of carbohydrates // 2532269
FIELD: chemistry.SUBSTANCE: device contains the first drier and the second drier, adapted for the reception of a gaseous flowing medium, containing, at least, one reagent. The first drier is made with a possibility of functioning in the first mode of drying the flowing medium, which contains, at last, one reagent, and the second drier is made with a possibility of functioning in the second mode, under conditions of carrying out regeneration by means of a regenerating agent. it also contains a reaction zone, connected by means of the first pipeline to the first drier for the reception of the gaseous flowing medium, which contains, at least, one reagent; and a system of replacement of a regenerating agent in the direction from top to bottom, adapted for the supply and regulation of consumption or reduction of pressure of a part of the said gaseous flowing medium into the second drier, removal of the replaced regenerating agent from the second drier and technological operations, which are performed downstream, to minimise disturbances in the implementation of the said operations.EFFECT: application of the claimed invention makes it possible to minimise disturbances in carrying out operations downstream.10 cl, 2 dwg

Fischer-tropsch catalyst regeneration by oxidation and treatment with mixture of ammonium carbonate, ammonium hydroxide and water // 2522324
FIELD: chemistry.SUBSTANCE: invention relates to catalysis. Described is a method of regenerating one or more particles of a cobalt-containing Fischer-Tropsch catalyst in situ in a reactor tube, the method comprising steps: (i) oxidising the catalyst particle(s) at temperature of 20-400C; (ii) treating the catalyst particle(s) for more than 5 min with a solvent; (iii) drying the catalyst particle(s); and (iv) optionally reducing the catalyst with hydrogen or any hydrogen-containing gas.EFFECT: high catalyst activity.10 cl, 4 tbl, 4 ex

ethod of regenerating catalyst of processing waste gases and catalyst of processing waste gases, obtained thereof // 2505358
FIELD: chemistry.SUBSTANCE: described is method of regenerating catalyst of processing waste gases, which contains ash adhering to its surface, including stages of used catalyst crushing, stage of separation of crushed parts, stage of grinding, stage of formation, stage of annealing, stage of suspension application of coating for application on formed surface of base and stage of coating annealing for annealing of base, which has coating from suspension liquid, at temperature, higher than temperature of annealing in the process of obtaining crushed re-obtained catalyst of processing waste gases, with threshold size S at the stage of separation has value not lower than 0.105 mm.EFFECT: obtaining regenerated catalyst, possessing high strength and wear resistance.11 cl, 3 dwg, 3 tbl, 3 ex

ethod for oxidation with humid air using regenerated catalyst // 2458865
FIELD: chemistry.SUBSTANCE: inventions can be used to decompose pollutants in waste water and process streams of public and industrial pollution sources. To realise the method, an aqueous mixture containing an undesirable component is brought into contact with a soluble copper catalyst and an oxidant at temperature from 240C to critical temperature and pressure from 30 atm to 275 atm to form an oxidised aqueous mixture, a portion of the catalyst is deposited by adjusting pH of the oxidised aqueous mixture from 6 to 12 in the presence of oxygen at temperature of about 80C in form of solid copper oxide particles. When recycling the catalyst, pH is controlled in the range from 6 to 12 to dissolve solid copper oxide particles. The apparatus has a wet oxidation unit (206), an aqueous mixture source (202), a copper catalyst source dissolved in the aqueous mixture (224) lying between the aqueous suspension source and the wet oxidation unit, a pH sensor, an oxidised aqueous mixture pH control unit (212), a separator (220) configured to deposit part of the copper catalyst in form of copper oxide and lying on the outlet side of the wet oxidation unit (206) and a line for recirculating the recycled catalyst (224).EFFECT: inventions provide 95% efficiency of purifying aqueous mixtures from different pollutants which can be decomposed by oxidation and reduce power consumption of the apparatus.31 cl, 6 dwg, 6 tbl, 5 ex

ethod of regenerating catalytic activity of spent hydrogen processing catalyst, spent hydrogen processing catalyst with regenerated activity, and hydrogen processing method // 2372991
FIELD: chemistry.SUBSTANCE: present invention relates to a method of regenerating catalytic activity of a spent hydrogen processing catalyst which does not contain an additive. A method is described for regenerating catalytic activity of a spent hydrogen processing catalyst which does not contain an additive (versions), which involves: bringing a spent non-additive containing hydrogen processing catalyst which contains a metal component and carrier material, which has low catalytic activity with respect to the catalyst in fresh state before its use, which results in the catalyst being spent, with a solution, where the said solution contains a chelating agent chosen from a group of compounds consisting of amino carboxylic acids, and a solvent, and where said contacting takes place in a period of time longer than 10 hours, with provision for regenerated catalytic activity, obtaining old catalyst containing said chelating agent and said solvent, where said spent hydrogen processing catalyst contains amount of said chelating agent in the interval from 0.005 mole of chelating agent per mole of active metal to 1 mole of chelating agent per mole of active metal; keeping said old catalyst in conditions which include drying temperature so as to remove part of said solvent from said old catalyst with removal of not less than 50 wt % of said chelating agent from said old catalyst, obtaining dried old catalyst as a result; and treatment of said dried old catalyst with sulphur, obtaining regenerated catalyst. Also described is a catalyst produced using methods described above and hydrogen processing method, involving bringing hydrocarbon starting material in hydrogen processing conditions with a catalyst produced using methods described above.EFFECT: higher degree of regenerated catalytic activity of spent hydrogen processing catalyst.19 cl, 2 tbl, 2 ex

ethod of regenerating catalytic activity of spent water treatment catalyst, spent water treatment catalyst with regenerated catalytic activity, and water treatment method // 2372143
FIELD: chemistry.SUBSTANCE: present invention relates to a method of regenerating catalytic activity of spent catalyst. A method is described for regenerating catalytic activity of spent water treatment catalyst (versions), where the said method involves: provision for said spent water treatment catalyst with first carbon concentration of over 3 wt %; reduction of carbon concentration on the said spent water treatment catalyst, obtaining catalyst with low carbon concentration as a result, with second carbon concentration ranging from 0.5 wt % to 2.5 wt %, with bringing the said spent water treatment catalyst into contact with oxygen-containing gas in carbon burning conditions and regulation of amount of carbon removed from the said spent water treatment catalyst so as to obtain the said catalyst with low carbon concentration, with the said second carbon concentration; and bringing the said catalyst with low carbon concentration into contact with a solution which contains a chelating agent and a solvent so as to introduce the said chelating agent into the said catalyst with low carbon content; ageing of the said catalyst with low carbon content, containing the said solution during ageing time, obtaining aged catalyst as a result, where the said ageing time is sufficient for regenerating catalytic activity of said catalyst with low carbon content; and drying the said aged catalyst with removal of part of the said solvent from the said aged catalyst, obtaining dried aged catalyst as a result; and sulphur treatment of the said dried aged catalyst, that way obtaining the said regenerated catalyst.EFFECT: design of a method of regenerating activity of catalysts, obtaining regenerated catalyst with higher level of regenerated catalytic activity.22 cl, 1 dwg, 2 tbl, 2 ex
ethod of reactivating molecular sieve catalysts // 2361671
FIELD: chemistry.SUBSTANCE: invention relates to the method of reactivating silicoaluminophosphate molecular sieve catalyst, subjected to hydrothermal deactivation. The catalyst is reactivated by putting it into contact with warm water, aluminium salts, dilute acids or water vapour at low pressure until the level of catalytic activity does not increase by at least 25%.EFFECT: reactivation of catalytic activity of silicoaluminophosphates through simple processing.10 cl, 1 tbl

ethod of cleaning liquid and solid sediments from porous matrix and device for implementation of method // 2348447
FIELD: chemistry.SUBSTANCE: cleaning of liquid and solid sediments from porous matrix is performed by matrix heating to (1-1.2)Tcr, where Tcr is critical temperature of the extraction agent used, in a device including throttle device 1, separator 2, compressor or pump 3, separation valve 4, adsorbing extractor 5, with further processing by extraction agent at pressure of (1-10)Pcr, where Pcr is critical pressure of the extraction agent used. Valves 6-9 are installed additionally between adsorbing extractor and throttle device and between compressor or pump and adsorbing extractor, if Tcr is equal to melting point of solid sediments in matrix. Extraction agent flow is directed downflow at Re≤20 and upflow at Re>20.EFFECT: reduced time of cleaning liquid and solid sediments from matrix at lower power consumption and matrix cleaning in fine dispersion form.2 cl, 1 dwg

odification of thermoelectrode aluminosilicate zeolite catalyst and method preselective conversion of alkylaromatic compounds // 2124944
The invention relates to a method of modifying thermoelectrode zeolite catalyst and the use of the modified catalyst in the processes formatselection conversion of hydrocarbons such as the disproportionation of toluene
 
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