1282 results about "Liquid product" patented technology

The invention relates to the technical field of production line defect detection, in particular to an intelligent packaging production line defect detection method and system based on an image recognition model. The method comprises the following steps: carrying out packaging container surface defect analysis on an empty packaging container to generate a container inherent defect area; capturing a disturbance response time sequence image sequence based on the inherent defect area of the container after the liquid product packaging operation of the empty packaging container is completed; constructing a motion image recognition model, and performing motion area recognition on the disturbance response time sequence image sequence to obtain a time sequence motion area segmentation map; detecting internal and external impurity defects of the package according to the time sequence motion area segmentation map to obtain internal defect list data of the product; and when the product internal defect list data is non-empty, executing corresponding defective product removal control. High-precision intelligent identification of internal and external impurity defects of the liquid packaging product is realized through the image identification model, and the quality control level of a production line is remarkably improved.

A dispenser head for in-line mixing and dispensing of beverages, which may be carbonated or nitrogenated. The dispenser head comprising a pump, a dilution mechanism, an additive mechanism, and outlet nozzle and optionally a regulation system. In use, the pump can pump concentrate liquid for the liquid product from a concentrate source to the dilution mechanism; the dilution mechanism can receive diluent liquid suitable for the liquid product from a diluent source, operable to mix the diluent liquid and the concentrate liquid and provide diluted concentrate liquid; and the additive mechanism can receive additive fluid for the liquid product from an additive source, to combine the diluted concentrate liquid and the additive fluid. The regulation system comprises a pump regulator means for regulating the quantity of concentrate liquid pumped into the dilution mechanism within the dispense period; a diluent quantity regulator means for regulating the flow of diluent liquid into the dilution mechanism; and an additive quantity regulator means for regulating the flow of additive fluid into the additive mechanism. Preferably, the dispenser head is a unitary device, which may be supplied attached to a vessel containing the concentrate.

The invention discloses a preparation method of a fly ash-Al-MOF material loaded with sodium percarbonate and acid-containing ferrous sulfate, which comprises the following steps: carrying out heat treatment on fly ash, cooling, adding into a sulfuric acid solution, stirring and mixing, carrying out solid-liquid separation, adding sodium hydroxide into a liquid product to adjust the pH value to 4.5-6 to obtain an aluminum hydroxide precipitate, washing and roasting to obtain aluminum oxide, and drying to obtain the fly ash-Al-MOF material loaded with sodium percarbonate and acid-containing ferrous sulfate. The preparation method comprises the following steps: mixing fly ash-Al-MOF with a sulfuric acid solution to obtain an aluminum sulfate solution, uniformly mixing the aluminum sulfate solution with a phthalic acid solution, carrying out solid-liquid separation, washing a solid product, carrying out freeze drying to obtain fly ash-Al-MOF, and respectively loading sodium percarbonate and acid-containing ferrous sulfate on the fly ash-Al-MOF to obtain fly ash-Al-MOF loaded with sodium percarbonate and fly ash-Al-MOF loaded with acid-containing ferrous sulfate; and uniformly mixing the two components to obtain a finished product. Compared with the existing method, the material prepared by the invention can realize long-term, stable, effective and environment-friendly remediation of the organic polluted soil, and the remediation efficiency is high.

A valve spring made of plastic, in particular for pretensioning a valve stem against a valve seat of a dispensing unit for dispensing a preferably liquid product, is proposed, wherein the valve spring has a plurality of spring elements arranged axially one behind the other, in particular along an axis or longitudinal axis. According to a first aspect, each spring element has two curved portions which are formed mirror-symmetrically with respect to one another and are connected to one another at their ends. According to a further aspect, the valve spring has a leaf-spring-like or cup-spring-like construction.

The invention discloses a preparation method of an antibacterial self-repairing organic silicon coating, and belongs to the technical field of organic silicon resin preparation, octamethylcyclotetrasiloxane, siloxane and / or amino silane and a catalyst are sequentially added into a four-neck flask filled with nitrogen, after stirring and heating, acid treatment is performed to obtain amino polysiloxane with a quaternary ammonium salt modified side chain, and then the amino polysiloxane with the quaternary ammonium salt modified side chain is added into the four-neck flask to obtain the antibacterial self-repairing organic silicon coating. Adding carbon tetrachloride and methyl acrylate, adding sodium hydroxide after the reaction is finished, heating and refluxing, filtering to obtain a liquid product, carrying out rotary evaporation to obtain amino acid modified polysiloxane, uniformly stirring the amino acid modified polysiloxane and a solvent to obtain a component A, uniformly stirring an antibacterial cross-linking agent and a solvent to obtain a component B, stirring the component A and the component B, coating, and drying to obtain a finished product. And curing to obtain the amino acid modified polysiloxane for self-repairing the antibacterial coating. Through synthesis of amino acid modified polysiloxane, reversible crosslinking of polysiloxane is realized through chelation of amino and carboxyl on metal ions, the reversible crosslinking can be repeated for multiple times, and the metal ions have an antibacterial effect, so that the service life of the coating is prolonged.

The invention discloses a Pt-loaded hierarchical pore HY molecular sieve double-effect catalyst and a preparation method and application thereof.The preparation method comprises the steps that firstly, an acid solution and an HY molecular sieve are mixed, heated and stirred, and the hierarchical pore HY molecular sieve is obtained; then, Pt salt is loaded on the hierarchical pore HY molecular sieve through an impregnation method, and the hierarchical pore HY molecular sieve is dried, calcined and then reduced. The concentration of the acid solution is not higher than 0.1 mol / L; the catalyst is used for hydrocracking of polyethylene or polypropylene. According to the Pt-loaded hierarchical pore HY molecular sieve double-effect catalyst disclosed by the invention, Pt atoms have excellent C-H bond activation capability, meanwhile, the hierarchical pore HY molecular sieve carrier has an open connection mesoporous structure and an acid site, and the mesoporous structure constructed by acid pickling and dealumination is beneficial to diffusion of a reaction intermediate and improvement of the yield of a liquid product; more orifice acid can be exposed by surface erosion, so that the initial cracking of reaction raw materials is facilitated, and the catalytic performance is improved.

The invention relates to an electrochemical carbon dioxide reduction device without a prefabricated anion exchange membrane and application of the electrochemical carbon dioxide reduction device, and belongs to the fields of electrochemistry, carbon dioxide utilization and renewable energy sources. The device comprises an anode for catalyzing an oxygen evolution reaction, a cathode formed by a gas diffusion electrode, an extraction chamber arranged between the anode and the cathode, a cation exchange membrane covering the surface of the anode, a diaphragm covering the surface of the cathode, and ion exchange resin filled in the extraction chamber and used as a solid electrolyte. The device is used for a carbon dioxide reduction reaction, and an extracting solution can be used in an extracting chamber to extract a liquid product solution of carbon dioxide reduction; the components of the liquid product solution only contain the components of the extracting solution and the components of the liquid product. Based on the invention, the use of expensive prefabricated anion exchange membranes with unstable acidic conditions can be avoided, a product with higher purity of a liquid product can be directly obtained, and an additional operation unit for separating the liquid product from metal cations can be omitted.

The invention provides a plasma coupling thermocatalysis biomass gas phase on-line hydrogenation system and method.The plasma coupling thermocatalysis biomass gas phase on-line hydrogenation system mainly comprises a pyrolysis reaction system, an on-line hydrogenation system and a condensation system.The pyrolysis reaction system comprises a pyrolysis reactor and a pyrolysis gas outlet formed in the pyrolysis reactor; the pyrolysis reactor is used for carrying out pyrolysis reaction on biomass to generate pyrolytic carbon and pyrolysis gas, the pyrolysis gas is discharged through a pyrolysis gas outlet, the online hydrogenation system comprises a hydrogenation reactor, the hydrogenation reactor carries out online catalytic hydrogenation on the pyrolysis gas through hydrogen plasma and a catalyst to generate a hydrogenation product, and the condensation system comprises a condensation tank. And the condensation tank is used for condensing the hydrogenation product to obtain a condensed liquid product and non-condensed gas. According to the process, gas-phase online hydrogenation upgrading can be achieved, the active hydrogen plasma and the gas-phase pyrolysis product are subjected to the catalytic hydrogenation reaction at normal pressure, and compared with a traditional process, the process is small in overall loss and low in energy consumption, and operation is safer and more stable at normal pressure.

The invention discloses a method for preparing 12-mercaptan through solid organic acid catalysis, belongs to the technical field of 12-mercaptan preparation, and aims to solve the problems of low catalyst activity, harsh reaction conditions, serious pollution, high cost and dependence on import in the prior art. N-dodecanol and hydrogen sulfide are used as raw materials and are mixed according to the molar ratio of 1: 1.2-1: 1.3; the method comprises the following steps: gasifying n-dodecanol, mixing with purified hydrogen sulfide, preheating to 210-240 DEG C, introducing into a fixed bed reactor filled with a solid organic acid catalyst, and reacting at-0.08-3.0 MPa for 3.5-4 hours; and cooling and condensing the reaction product, carrying out gas-liquid separation, rectifying and purifying the liquid product to obtain 12-mercaptan with the purity of more than or equal to 99.5%, and recycling unreacted hydrogen sulfide. The solid organic acid can be a catalyst of p-toluenesulfonic acid and the like or mesoporous silica loaded nickel, cobalt and molybdenum metal oxides. The method has the advantages of high catalytic activity, mild reaction conditions, high product yield (the conversion rate of n-dodecanol is greater than or equal to 94.5%), environmental protection and low cost, can realize the domestic mass production of 12-mercaptan, and meets the market demand.

The utility model belongs to the technical field of sugar alcohol preparation, and relates to a system for co-producing L-arabinose and caramel pigment by using xylose chromatography raffinate, which comprises a raw material tank, a nanofiltration membrane separator, a chromatography separation device, an evaporation concentration tank, a crystallization tank, a centrifugal separator and a dryer which are sequentially communicated by pipelines, and the browning reaction assembly is used for mixing the raffinate and the centrifugal mother liquor and then carrying out browning reaction treatment to prepare caramel pigment. The chromatographic separation device is used for separating an extracting solution and raffinate from the flowing nanofiltration permeate, the evaporation concentration tank and the crystallizing tank are used for concentrating and crystallizing the flowing extracting solution into massecuite, the centrifugal separator is used for separating the flowing massecuite into moist sugar and centrifugal mother liquor, and the dryer is used for drying the flowing moist sugar into L-arabinose crystals. According to the utility model, raffinate and centrifugal mother liquor are mixed to prepare a caramel pigment liquid product, so that a caramel pigment additional product is obtained while the utilization rate of saccharide resources is improved.

The invention relates to an experimental device and method for studying the partial discharge aging mechanism of an insulating material, and belongs to the technical field of insulating materials. Comprising a multifunctional closed cavity, a high-voltage circuit, a detection loop and a monitoring sensor, and can accurately control the environment atmosphere, the discharge gap and the discharge voltage, thereby simulating the actual complex operation condition of an insulating material under the high-voltage condition, and monitoring the light intensity, the discharge amount and the discharge energy in the discharge process. The device can obtain solid residues of an insulating material under different discharge conditions and collect gas and liquid products. The analysis method not only considers the partial discharge instantaneous heat effect, but also covers the comprehensive effects of active products, ultraviolet radiation and the like in the partial discharge process, so that the aging mechanism of the insulating material under the partial discharge effect is comprehensively analyzed.

The invention discloses a method for producing biological aviation kerosene from high-acid-value oil, which comprises the following steps: mixing the high-acid-value oil without mechanical impurities with a deacidification pretreatment catalyst to obtain a mixture, and adding the mixture into a slurry bed reactor for deacidification pretreatment to obtain effluent; s2, performing solid-liquid separation on the effluent obtained in the step S1 to obtain a liquid-phase product, and performing hydrotreatment on the liquid-phase product sequentially through a fixed bed hydrodeoxygenation reactor, a fixed bed hydrocracking reactor and a fixed bed hydroisomerization reactor which are connected in series to obtain a hydrogenated product; and carrying out gas-liquid separation on the hydrogenation product to obtain a liquid product, and fractionating the liquid product to obtain a naphtha fraction, a biological aviation kerosene fraction and a biodiesel fraction. According to the method, the high-acid-value oil can be converted into the biological aviation kerosene in a high-yield manner.

The invention discloses a microwave vacuum low-temperature liquid continuous belt dryer which comprises a concentration device, a main machine device, a material distributing device, a material collecting device, a packaging device, a vacuum device and a cold water device. Wherein the liquid product is primarily evaporated through the concentration device; the host device comprises a cavity and a plurality of belt conveying modules; a plurality of groups of first microwave generators are arranged on the cavity; the distributing device is connected with the concentrating device and the plurality of belt conveying modules respectively; the material collecting device is connected with the plurality of belt conveying modules; the packaging device is connected with the material collecting device; a vacuum port of the vacuum device is respectively communicated with the top and two sides of the cavity through a plurality of groups of vacuum pipes; a cooling water pipe of the cold water device is communicated with the first microwave generator; and the cold water device is used for cooling the first microwave generator and the microwave power supply. The invention further discloses a liquid product drying process. The device is high in automation degree, high in efficiency and capable of continuously running for a long time.

The present invention discloses a rubber composition, a processing method thereof, and also a brake fluid-resistant product using the rubber composition and a production method thereof. The rubber composition comprises, in parts by weight, 100 parts of a rubber matrix; 1.5-8 parts of a crosslinking agent 40-140 parts of a reinforcing filler; and 0-40 parts of a plasticizer, wherein the rubber matrix comprises, based on 100 parts by weight of the rubber matrix, a branched polyethylene with a content represented as A, in which 0<A≤100 parts; an EPM with a content represented as B, in which 0≤B<100 parts; and an EPDM with a content represented as C, in which 0≤C<100 parts. The rubber composition is useful in the production of brake fluid-resistant brake rubber hose and brake rubber diaphragm. The beneficial effect is that since the rubber composition comprises the branched polyethylene, the tear strength of the rubber compound is improved, thereby reducing the probability of tearing of the product during the production process and improving the overall processing performance.

The invention discloses a low-staining low-viscosity waterborne polyurethane macromolecular coloring agent and a preparation method of the low-staining low-viscosity waterborne polyurethane macromolecular coloring agent. Comprising the following components in parts by weight: 15 to 30 parts of aliphatic diisocyanate, 15 to 30 parts of micromolecular dye, 10 to 30 parts of polypropylene glycol and / or dihydroxy silicone oil, 25 to 50 parts of polyethylene glycol, 1 to 3 parts of micromolecular dihydroxy compound chain extender, 0.05 to 0.3 part of catalyst, 90 to 140 parts of acetone and 50 to 300 parts of water. By designing the hydrophilicity and proportion of the soft and hard segments of the polyurethane coloring agent, the waterborne polyurethane macromolecular coloring agent color paste which is low in staining, easy to clean, less than 1000mpas in product viscosity, more than 5% in color concentration and more than 5% in dye equivalent and good in compatibility is finally obtained, and the waterborne polyurethane macromolecular coloring agent color paste can meet the requirements of liquid product coloring agents such as clothing care and household cleaning agents. The cleaning agent can also be used for liquid cleaning agent products for body care and catering.

The invention discloses a composition for improving the stability of oleuropein in a solution as well as a preparation method and application of the composition. The composition comprises oleuropein and at least one stabilizer, and the stabilizer is selected from the group consisting of anisic acid, lactobionic acid, glycyrrhizic acid, 3, 3-thiodipropionic acid, N-acetyl-L-glutamine, propyl-cysteine and lauramidopropyl betaine; and the pH value of the aqueous solution of the composition is 4.0-8.0. The preparation method comprises the following steps: dissolving oleuropein in water, adding the stabilizer, and uniformly mixing. Through simple physical mixing, by utilizing the synergistic effect of the specific stabilizer and the oleuropein, the degradation and discoloration of the oleuropein in the storage process are remarkably inhibited. Experiments show that after the preferable composition is preserved for 30 days in an open manner, the retention rate of the oleuropein still reaches up to 80% or above, and is far superior to that of blank control and a traditional liposome wrapping method. The composition is simple and convenient in preparation process and low in cost, and provides reliable technical support for wide application of oleuropein in liquid products such as food, medicine and cosmetics.

A product delivery system includes a product transport vehicle having at least a plurality of tank compartments, internal valves, control valves, fluid property sensors, temperature sensors, overfill sensors, pressure sensors, a system controller, and a memory module. The product delivery system may be operable to communicatively connect with the loading system at a loading station, a fleet management system, or a cloud system to obtain information, such as the amount of liquid product to be loaded into a tank compartment. The product delivery system may be operable to compare the volumes of the tank compartments with the amounts of liquid product to be loaded at a loading station and maintain the internal valve or control valve in a locked state or transition the internal valve or control valve to an unlocked state based on the comparison. Other comparisons based on liquid type or distribution tank volume can also be made.

A method for recovering polyol from a polyurethane waste material comprises the following steps: degrading the polyurethane waste material by using a degradation agent, and then removing the degradation agent to obtain a degradation product; reacting the treating agent as shown in the formula (I) with the degradation product to obtain a reaction solution containing a reaction product and a polyhydric alcohol compound; and distilling the reaction liquid to remove the unreacted treating agent and obtain a polyol mixture. The degradation product contains an amine compound and a polyhydric alcohol compound. The reaction product is formed by reaction of an amine compound and a treating agent, and the reaction product is in a liquid state at 20-40 DEG C. According to the method disclosed by the invention, the amine compound in the degradation product can react to generate a liquid product which does not affect subsequent treatment, and the unreacted treating agent can be removed or recycled in a distillation manner to obtain a high-purity polyol mixture.

The present application relates to the field of liquid product storage technology, and more particularly to a method and device for calculating the size of spacer elements in liquid product storage facilities. The calculation method of the present application takes the minimum overall size of all spacer elements into consideration, and at the same time takes the minimum cost of the usage of spacer elements and mastic as the optimization goal, constructs a first objective function, and then solves the objective function with the flatness and distortion requirements of the storage tank as constraints, and finally obtains the size of the spacer elements at each point. The storage facility is implemented based on the size of the spacer elements, which can make the overall construction cost lower. Furthermore, considering the flatness and distortion requirements of the storage tank, multiple objective functions are further set. By solving multiple objective functions, the size of the spacer elements at each point is obtained, which makes the overall preparation cost of the storage facility the lowest, and at the same time, the flatness of the storage tank can meet the engineering requirements.

The invention relates to the technical field of polyolefin degradation, in particular to an EMT / FAU eutectic molecular sieve catalyst and a preparation method and application thereof. The EMT / FAU eutectic molecular sieve catalyst is obtained by physically mixing an acidic molecular sieve and a Pt-loaded TS-1 molecular sieve, and the mass ratio of the acidic molecular sieve to the Pt-loaded TS-1 molecular sieve is 1: 1. The method comprises the following steps: carrying out ammonium ion exchange on an EMT / FAU eutectic molecular sieve to obtain an acidic molecular sieve; pt is packaged by using a TS-1 molecular sieve so as to provide abundant metal hydrogenation sites; an acid site-metal series system is constructed through an acid molecular sieve and a Pt-loaded TS-1 molecular sieve, polyethylene can be converted into short-chain alkane under a mild condition, liquid products are distributed more intensively, and the problems that an existing molecular sieve catalyst is too high in hydrogen pressure in a polyethylene hydrocracking reaction, and the reaction time is shortened are solved. The energy consumption is high; and reaction products are not distributed intensively.

The invention relates to a method for operating mechatronic functional modules for the production, processing, inspection and / or intermodular transport of containers for liquid products in a production system, and to a corresponding production system. According to the invention, the functional modules each store, in machine-readable form, individually assigned initial design data and specification data and initial topological data at least regarding the product flow in the production system and the communication between the functional modules. Because the functional modules are also controlled using the initial design data, specification data and / or topological data, production processes and maintenance measures can be particularly flexibly carried out, in a decentralized way, with greater efficiency and with the possibility of intermodular data transfer.

The invention belongs to the technical field of solid waste resource utilization, and particularly relates to a production process for producing low-sulfur marine fuel oil through waste rubber tire hydro-liquefaction, which comprises the following steps: (1) mixing oil slurry, waste tire rubber powder and a catalyst to obtain a mixture, enabling the mixture to pass through a swelling preheater, and enabling the mixture and hydrogen to enter a slurry bed reactor for hydro-liquefaction, the liquefied intermediate product passes through a high-pressure separator, hydrogen obtained through separation enters a fixed bed hydrofining device, and obtained liquid enters a rectifying tower through a pressure reducing valve; (2) feeding a liquid product at the bottom of the rectifying tower and hydrogen into a fixed bed hydrofining device; and (3) carrying out gas-liquid separation on the fixed bed hydrofining product, wherein the liquid obtained by the gas-liquid separation is the low-sulfur marine fuel oil. According to the invention, waste tire rubber powder and slurry oil are used as raw materials, the liquefaction of waste rubber tires is realized in high-pressure hydrogen and high-temperature environments, and a fixed bed hydrofining device is combined to further reduce the content of sulfur atoms so as to produce the low-sulfur fuel oil for ships.

A discharge system for bulk tank trailers unloads dry bulk material from a bulk product trailer that is configured to be pulled by a vehicle. The discharge system includes a centrifugal compressor, a drive mechanism and a speed increaser. The centrifugal compressor is configured to deliver compressed air to force the dry bulk material from the bulk product trailer and convey the dry bulk material to a storage tank. The drive mechanism furnished rotational motion to the centrifugal compressor (e.g., via a power take-off of the vehicle). The speed increaser is disposed between the centrifugal compressor and the drive mechanism and is configured to increase the speed of the rotational motion furnished by the drive mechanism to the speed compressor. The drive mechanism may include a hydraulic system configured to drive a liquid product pump for pumping liquid product from a liquid product storage tank trailer pulled by the vehicle.

The invention relates to the field of high-value utilization of organic solid wastes, in particular to a biomass pyrolysis poly-generation device with a baking pretreatment system, which comprises a pretreatment furnace, a low-temperature pyrolysis furnace and a high-temperature carbonization furnace. Besides, the invention also provides a pyrolysis poly-generation method, raw materials pass through the pretreatment furnace and then enter the low-temperature pyrolysis furnace to be pyrolyzed, pyrolysis gas and pyrolysis carbon are generated, the pyrolysis gas is collected through a channel and discharged, and gas and liquid products with high combustion performance are obtained through subsequent separation and condensation treatment. Pyrolytic carbon enters a high-temperature carbonization furnace to be further carbonized into activated carbon, and waste heat is recycled for the pretreatment process. According to the invention, pretreatment, low-temperature pyrolysis and high-temperature carbonization are coupled in one system, water vapor generated by pretreatment is used for providing an activator for the carbonization process, waste heat generated by the high-temperature carbonization process is used for providing heat required by pretreatment, efficient pyrolysis and carbonization co-production is realized, and the system has the advantages of efficient energy utilization, energy conservation and environmental protection.

The invention relates to the field of waste catalyst recovery, and discloses a method for recovering molybdenum from a waste hydrofining catalyst. The method comprises the following steps: (1) roasting the molybdenum-containing waste hydrofining catalyst in an inert atmosphere; (2) carrying out contact reaction on the roasted product obtained in the step (1) and an alkali solution, and then carrying out microwave treatment under the power of 300-900W to obtain a liquid product; and (3) evaporating and concentrating the liquid product under the condition that the pH value is 10-12 to obtain molybdate crystals. The method can obviously improve the recovery rate of molybdenum.

The invention relates to the technical field of lignin separation and catalytic conversion, in particular to a method for separation and in-situ catalytic conversion of lignin in woody biomass, which comprises the following steps: (1) mixing the woody biomass, a catalyst and a reaction solvent, and performing catalytic reaction to obtain a liquid product and a solid product; wherein the catalyst comprises a tungsten element, a phosphorus element and a carrier; (2) evaporating the liquid product to obtain a reaction product and a regenerated solvent; and (3) contacting the reaction product with an extraction agent for extraction to obtain an oil-phase product containing the phenolic monomer and a water-phase product containing the saccharide derivative. According to the method provided by the invention, the lignin in the woody biomass can be converted into the monophenol aromatic compound with high selectivity, and multi-stage and high-value utilization of the biomass can be realized.

1. The name of this design product: Intelligent induction liquid dispenser. 2. Purpose of the product with this appearance design: contact-free intelligent induction liquid dispenser, which automatically dispenses liquid when you stretch out your hand. It can be used in a variety of cleaning liquid products such as facial cleansers, shampoos, dishwashing liquids, shower gels, disinfectants, medical disinfectant hand soaps, foam hand soaps, etc. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

A method for catalytically degrading polyolefin plastics at a low temperature is provided. The method uses NaCl—KCl—AlCl3 molten salt as the catalyst and adds KHCO3 as an additive. Without adding organic solvents, the polyolefin plastics are successfully degraded at a reaction temperature of 90-100° C. The mass recovery rate of degraded polyolefin plastics is more than 99%, and the selectivity of gaseous and liquid products is both more than 90%. The mass recovery rate of the molten salt catalyst was more than 97% after 5 cycles. The molten salt catalysts of the present disclosure can effectively reduce the temperature of the catalytic reaction, and improve its degradation rate and selectivity, solving the technical problems of low conversion efficiency, high cost, and difficulty in catalyst recycling existing in the degradation of the polyolefin plastics, and realizing high efficiency, high selectivity, low cost, and low energy consumption in the polyolefin plastic degradation.

The present invention discloses a method for secondary suspended bed hydrogenation treatment of crude oil. Crude oil, hydrogen and catalyst are mixed and then enter into a crude oil suspended bed hydrogenation and upgrading reaction unit for hydrogenation and upgrading; the reaction product of the crude oil suspended bed hydrogenation and upgrading is separated into a first gas product and a first liquid product through gas-liquid separation; the first liquid product and the subsequent second liquid product are mixed and then enter into a fractionation device to obtain naphtha, diesel, wax oil and residual oil; part of the residual oil is discharged from the device, and the remaining residual oil is mixed with circulating hydrogen and then enters into a residual oil suspended bed hydrocracking reaction unit for hydrogenation reaction; the reaction product of the residual oil suspended bed hydrocracking is separated into a second gas product and a second liquid product through gas-liquid separation. The crude oil suspended bed hydrogenation and upgrading process adopted by the method can significantly improve the quality of crude oil and increase the yield of light oil; coupled with the residual oil suspended bed hydrocracking process, the deep conversion and utilization of residual oil can be realized. The overall process has the advantages of short process, low operating cost and strong raw material adaptability.

A slurry reactor system including a slurry reactor configured to convert, under slurry hydroconversion conditions, a slurry reactor content flowing upwards and containing a feedstock including one or more of fats, oils and greases, a slurry hydroconversion catalyst and a hydrogen stream to a slurry hydroconversion effluent containing a slurry phase effluent including catalyst particles and a liquid product and a vapor phase effluent including a hydroconversion product, and one or more separation units in fluid communication with the slurry reactor to receive the slurry hydroconversion effluent. A given one of the one or more separation units is configured to separate the slurry phase effluent from the vapor phase effluent.