Process and device for treating catalyst discharged from bubbling bed hydrogenation of residual oil
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
FIELD: oil and gas production.
SUBSTANCE: invention relates to stabilisation of gas-saturated oil. Proposed method comprises two-stage separation at 20-80°C with separation of gas at 1st separation stage at 0.11-0.16 MPa. It comprises also separation of degassed oil at 2nd separation stage at 0.01-0.06 MPa to obtain separated oil and gas. Separated gas is sucked off by degassing device, for example, ejector operated on associated gas from oil field separation stage. Here, extracted gas is mixed with 1st separation stage gas. Produced gas mix is cut in stable condensate and dry gas. Then, stable condensate is mixed with separated oil to feed stabilised oil and dry gas to consuming equipment.
EFFECT: higher yield of separator oil.
3 ex, 1 tbl
SUBSTANCE: invention relates to a method of producing base oil with low content of sulphur, ecologically clean aromatic filler materials and caoutchouc and rubber plasticisers, involving selective purification of petroleum oil fractions with a selective solvent, separation of the first step extract and raffinate solutions, wherein the first step extract solution is cooled with subsequent separation a first step pseudo-raffinate solution in the settling tank, and after solvent regeneration, the first step raffinate solution is dewaxed and oxidised with subsequent extraction of the oxidised dewaxed oil to obtain second step raffinate and extract solutions; after solvent regeneration and subsequent adsorption or hydrofining, group II base oil with low sulphur content is obtained from the second step raffinate solution, wherein the second step extract solution is mixed with the first step pseudo-raffinate solution to obtain, after solvent regeneration, ecologically clean aromatic filler and a caoutchouc and rubber plasticiser with less than 2.9% content of polyaromatic hydrocarbons (PAH).
EFFECT: obtaining base oil with negligible sulphur content.
3 cl, 3 tbl, 3 dwg
FIELD: oil-and-gas production.
SUBSTANCE: invention related to a method of calcium content decrease in fluid hydrocarbon medium, which includes contacting of mentioned above fluid hydrocarbon medium with a sequestrant, represented with a carboxylic acid for calcium containing separating complex formation, b. contacting of mentioned above fluid hydrocarbon medium with water medium for emulsion formation, in which after the mentioned above emulsion separation, at least part of the mentioned separated calcium containing complex stays in the water medium, and contacting the mentioned water medium with water soluble or water dispersing polymer, with I formula for the calcium disposals inhibition on surfaces, contacting with the mentioned above water medium, where the polymer has: (I) formula, where E - is a repeating fragment, which remains after non-saturated ethylene type compound polymerization, R1 is a hydrogen atom or the lowest (C1-C6)- alkyl or carbonyl, Q - is O or NH, R2 - is the lowest (C1-C6)-alkyl, hydroxy - substituted the lowest (C1-C6)-alkyl, the lowest (C1-C6)-alkyl sulfonic acid -(Et-O)-n, -(iPr-O)-n or -(Pr-O-)n, where n - is a variable from around 1 up to 100, and R3 - is a hydrogen atom or XZ, where X - is anion radical, selected form a group, consisting from SO3, PO3 or COO, Z - is hydrogen atom or atoms or any other water soluble cationic fragment, which serves is a balance in X anion radical valence; F - when presented, is a repeating fragment with a II: formula, where X and Z are the sane as in I formula, R4 - is a hydrogen atom or (C1-C6) the lowest alkyl, R5 - is hydroxy - substituted alkyl or alkylene, which has from 1 to 6 atoms, and XZ can or can not to be presented, c and d - are positive whole numbers, e is not-negative number, and j is equal to 0 or 1.
EFFECT: calcium disposal decrease on a surfaces contacting with water phase water in oil separated emulsion.
21 cl, 7 ex, 7 tbl
FIELD: petroleum processing.
SUBSTANCE: invention relates to process of treating hydrocarbon stock, in particular to reducing nitrogen level in liquid hydrocarbon stock. Process is characterized by that (a) liquid hydrocarbon stock containing alkylation agent and organonitrogen compounds is brought into contact with acid catalyst at elevated temperature in a first reaction zone to form liquid hydrocarbon stock with reduced content of alkylation agent and organonitrogen compounds having elevated boiling temperatures; and (b) liquid hydrocarbon stock with reduced content of alkylation agent and containing organonitrogen compounds with elevated boiling temperatures is fractioned to remove said organonitrogen compounds.
EFFECT: enabled production of liquid hydrocarbon stock with reduced content of alkylation agent and reduced nitrogen level.
14 cl, 3 dwg
SUBSTANCE: molybdenum-containing industrial wastes are used for growing peas on sod-podzolic soil. The molybdenum-containing wastes are applied in the soil prior to sowing peas in the mixture with bird droppings in a ratio of 1:5.
EFFECT: increase in the yield of green mass of peas with simultaneous disposal of industrial wastes and providing environmental safety.
2 tbl, 1 ex
SUBSTANCE: invention relates to chemical industry. The method comprises the following steps: performing pyrolysis of rubber granulates at 400-500°C in the presence of liquid water to obtain a carbonised substance and a gas phase and then collecting the carbonised substance.
EFFECT: invention enables to obtain pyrolysis products of good quality and direct use.
5 cl, 3 dwg, 6 tbl, 2 ex
SUBSTANCE: invention relates to the field of sterilisation and can be used for the sterilisation of infected wastes. The machine for the sterilisation of infected wastes contains permeable for microwaves tanks, placed in a sterilisation chamber, provided with holes, spaced apart and connected with waveguides, directed from magnetrons, and contains means for giving the said tank for wastes of rotation around its axis. The sterilisation chamber is made in the form of an open downwards bell, which can be hermetically closed with the base construction, which carries means for capturing and rotation of the tank, filled with wastes. The tank can be moved from the lower position for tank filling and discharge into the lifted position for closing the said chamber and for the introduction of the full tank into the sterilisation chamber. The tank is provided with means for its detachable support with gripping and rotating means of a mobile construction of the sterilisation chamber base and for its gripping with manipulating means (SM), which move the tank between different working stations of the machine.
EFFECT: invention provides a possibility of sterilising infected wastes in a completely automated way.
11 cl, 13 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to hydrothermal treatment of biomass. Proposed method comprises the feed of biomass-based stock to reaction area. Stock water-to-biomass ratio makes at least 1:1. Note here that biomass-based stock contains phosphorus while stock hydrothermal processing is conducted under conditions efficient for hydrothermal processing with yield of multiphase product. The latter includes a fraction of solid particles containing about 80% of phosphorus of its content in said stock. Molar ratio between phosphorus and carbon of said fraction of solid substances makes at least 0.2. Said multiphase product is separated to get at least one gas-phase fraction, liquid hydrocarbon product and fraction of solid substances. Invention claims also the versions of process implementation.
EFFECT: efficient process, production of liquid hydrocarbon product.
27 cl, 1 tbl, 2 dwg, 5 ex
SUBSTANCE: group of inventions relates to environmental science. Recycling of diapers, sanitary pads and similar sanitary products, containing cellulose, a granular adsorbent and polymer materials, is carried out by first pre-grinding into particles with maximum size of 5-20 mm and separating, from the obtained particles on a vibrating screen, particles with size of 0.5-1 mm, preferably the granular adsorbent, particularly sodium polyacrylate. The remaining ground mixture of materials consisting of cellulose, polymer materials and granular adsorbent residues is moulded into blocks or ribbons and used as a substrate for growing fungi, with the following ratio of components, wt %: cellulose 75-85; granular adsorbent 5-15; polymer materials 5-15.
EFFECT: simple technique of recycling sanitary products.
SUBSTANCE: claimed is application of granulated nickel slag as aquarium soil. Size of soil particles is from 0.5 to 6 mm.
EFFECT: invention extends arsenal of aquarium soils.
3 cl, 2 tbl
SUBSTANCE: invention relates to the technology of smoke black powder and can be used for the regeneration of potassium nitrate from sweepings of the gunpowder production with an expired storage term. The method includes mixing the smoke black powder to be utilised with water in a tank, heating the mixture to 90-100°C, filtration of a solution of a sulphur-coal mixture and potassium nitrate, crystallisation of the latter with constant cooling of the crystalliser, collection of potassium nitrate crystals, its centrifuging to remove the solution and drying, with the filtration being realised with a working mixer in a heated filter; crystallisation is carried out with mixing the solution by the supply of compressed air; mother liquor, which is formed in the crystalliser is pumped into a tank, heated to a temperature of 90-100°C and used to wash the residue on the heated filter, the obtained solution is re-supplied into the crystalliser and subjected to crystallisation, the precipitated sediment of potassium nitrate is removed, the solution, remaining in the crystalliser, is re-supplied for mixing with the smoke black powder to be utilised. The technical result of the invention consists in an increased output of potassium nitrate, extracted from smoke black powder.
EFFECT: method is simple and makes it possible to use industrial equipment.
1 dwg, 2 ex
FIELD: process engineering.
SUBSTANCE: invention relates to crushing of refrigerators. Refrigerators 12 are loaded into grinding chamber 16 via loading opening 14 and continuously crushed. Crushed material 24 is discharged via unloading opening 26. At grinding process gases originate to contaminate the chamber air. Grinding chamber is purged with air contained therein. For this, preset air volume L1 is forced per unit time via gas line 32 into gas processing device 34. Air volume L4 equal to volume L1 is continuously forced via loading opening 14 into grinding chamber 16. Sid gas line 32 is aligned with discharge opening 26 and gas processing device 34 and coupled therewith. Pressure of preset air volume L1 in grinding chamber 16 and gas lines 30, 40 connected therewith is kept lower than ambient pressure.
EFFECT: nonpolluting process of crushing of refrigerators.
10 cl, 1 dwg
FIELD: process engineering.
SUBSTANCE: invention relates to processing of electrochemical cells and storage batteries. Proposed method comprises mincing of storage battery, removal of case materials, suspending of produced battery suspension in water in foam flotation tank. Foam flotation agent is added to said suspension to bubble said tank by air to produce foam. This allows hydrophobic materials to be trapped by air bubbles and trapped materials to afloat with said trapped materials. Compounds Pb (IV) are separated from compounds Pb (II) in battery suspension in foam flotation tank. Method of separation of materials in wastes of lead-acid batteries comprises extraction of pasted from used battery, suspending of extracted paste in water, addition of foam flotation agent to said suspension including paste and water, bubbling of said tank by gas to get the foam, separation of (PbO2) from other lead-bearing compounds of suspension is said tank.
EFFECT: higher efficiency of separation.
14 cl, 6 tbl, 10 ex
FIELD: machine building.
SUBSTANCE: for solid wastes thermal neutralisation the solid wastes are loaded in drum drier, solid wastes are dried in the drum dryer, the solid wastes are moved from the drum dryer in the drum furnace, they are baked in the drum furnace, gases generated during neutralisation are exhausted, the neutralised solid wastes are unloaded from the drum dryer and drum furnace. The solid wastes are dried and baked by means of heat transfer to them from casings of the drum dryer and drum furnace, respectively. At that the casings are heated in the external heating chambers surrounding the casing of the drum dryer and drum furnace from outside. The suggested device of thermal neutralisation of the solid wastes contains the drum dryer and drum furnace connected by means of the transportation device, each of them has casing and is equipped with the loading chamber, unloading chamber and gas duct to exhaust gases generated during neutralisation. The device is additionally equipped with the external heating chambers surrounding the casing of the drum dryer and drum furnace from outside with possibility of heat exchange.
EFFECT: increased efficiency of neutralisation, reduced quantity of caught sludges or dust in gas cleaning system generated during dust removal of the neutralised gases, reduced power and material consumptions for neutralisation, and overall dimensions and weight of equipment installed in gas cleaning system.
8 cl, 1 dwg
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
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
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
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 20-400°C; (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
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