7 results about "Liquid solid" patented technology

The invention relates to a method to separate temperate coal race component based on the extract and the stripping, which belongs to the separating method of the coal race component. Join the component solvent into the coal sample, agitate it and obtain the extract liquid-solid mixture; Carries on the liquid-solid separation to the extract liquid-solid mixture, obtains the extracted liquid and the gathering excess separately; To gathers the excess water used wash, then the vacuum drying, obtains gathers -odd coal; Joins the stripping medicinal preparation in the extracted liquid, the agitation, obtains the stripping liquid-solid mixture and carries on the liquid-solid separation to it, obtains the solid matter and the wet goods; To solid matter water used wash, dry, obtains the refined coal; The wet goods are two laminations: To a lamination takes off resolve A with the atmospheric pressure distillation, carries on the stripping again to the surplus solution, will produce sticks the thick shape solid, carries on the drying process to it, obtains the caking component; Another lamination is mainly resolved B and the stripping medicinal preparation omnium-gatherum. We bench work skill process is simple, the extract and the stripping process is temperate, the resolved recycle, the reaction process is advantageous for the control, can cause the coal petroleum to separate Cheng Cuiyu the coal, the refined coal, the caking group to classify many kinds of unique race components equally in advance likely.

The invention relates to fibers capable of heat storage and temperature adjustment. The fiber prepared by using the composite melt-spinning method comprises the following components by weight percent: 20% to 60% of polymer-type phase-change materials as a core component or an island component and 80% to 40% of fiber-forming polymers as a skin component or a sea component, wherein the polymer-type phase-change materials comprise the homopolymer or copolymer of alkyl acrylate, alkyl methacrylate and monoalkyl/dualalkyl itaconate or the copolymer of the homopolymer thereof, and is characterized in that the normal alkyl capable of carrying out the solid-liquid and liquid-solid phase transition and further achieving the effect of energy storage is fixed on the main chain of the polymer by the covalent bond; and the fiber-forming polymer comprises at least one selected from polyethylene, polypropylene, polyamide, co-polyamide, co-polyester and co-polyacrylonitrile. The weight loss of the fiber taking methylbenzene as solvent is not higher than 5% after being subjected to the treatment of a Soxhlet extractor for 2 hours.

The invention relates to a technology for extracting zinc, lead and silver step by step by processing zinc-leached residues by a full wet process, and belongs to the technical field of zinc-leached residue recycle. The technology comprises the following steps of: preparing sulfuric acid into an appropriate concentration, and performing two-stage acid leaching in an appropriate liquid-solid ratio and at a high temperature to obtain slurry; filtering and separating the slurry to obtain lead-silver residues and a zinc-containing solution; oxidizing, neutralizing and deironing the zinc-containing solution, and depositing zinc by using sodium sulphide; and eluting the lead-silver residues, blending with caustic lye at an appropriate concentration to obtain slurry at a certain concentration, reacting at a certain temperature and in a certain solid-liquid ratio, and filtering and separating to obtain a filter cake and a filtrate, wherein the filtrate is directly added with sodium sulphide for lead deposition and the filter cake returns to a silver cyaniding leaching process. The technology is short in process, simple in operation, low in cost and mild and loose in reaction conditions; an acid solution and an alkali solution at high concentrations are not required; requirements on equipment are low; the extraction rate of metal is higher than that in the conventional method; no additional waste solid, waste liquid and waste gas are discharged; the recycle of the eluate and the filtrate is realized; and environment pollution is avoided from the source.

The invention relates to a loop reaction device in a slurry bed, application and a method for producing hydrogen peroxide. The loop reaction device comprises a slurry bed reactor and a solid-liquid separator, wherein the upper part of the slurry bed reactor is communicated with the upper part of the solid-liquid separator, and the bottom of the slurry bed reactor is communicated with the bottom of the solid-liquid separator; and a coaxial inner sleeve is arranged in the slurry bed reactor, an outer sleeve is arranged between the inner sleeve and the outer wall of the slurry bed reactor at the upper part of the slurry bed reactor, a raw material inlet and a fluid distributor are arranged in the inner sleeve and at the bottom, a gas outlet is formed in the top of the slurry bed reactor, a filtration component is arranged in the solid-liquid separator, and a clear liquid outlet is formed in the wall of the solid-liquid separator via the filtration component. According to a hydrogenation method for producing hydrogen peroxide by an anthraquinone method with the adoption of the slurry bed loop reactor, the gas-liquid-solid three-phase separation efficiency is high, the excess local liquid holdup of a catalyst is avoided, the possibility of excessive hydrogenation is reduced, the hydrogenation efficiency is further effectively improved and a hydrogen peroxide product with relatively high concentration can be obtained.

The invention discloses a method for secondarily enriching zinc from low-grade high-oxidization-rate oxygen-sulfur mixed zinc ore. The method comprises the steps of 1, ore grinding; 2, neutral leaching, wherein the leaching final point pH is controlled to be 5.0-5.2, ore pulp obtained after a reaction is delivered for liquid-solid separation, supernate is delivered for zinc precipitation, and baseflow is delivered for acid leaching; 3, acid leaching, wherein the final point pH is controlled to be 0.5-1.0, ore pulp obtained after a reaction is delivered for liquid-solid separation, supernate is returned for neutral leaching, and after filter pressing of base flow is completed, leaching residues are obtained; 4, zinc precipitation, wherein the oxygen-sulfur mixed zinc ore is added, after areaction, ore pulp obtained after zinc precipitation is delivered for liquid-solid separation, so that zinc-rich residues and zinc precipitation post-liquid are obtained, and after acidity adjustmentis completed, the zinc precipitation post-liquid is returned for acid leaching; 5, flotation, wherein the leaching residues obtained in step 3 are delivered to the flotation procedure, and zinc sulfide is recycled; and 6, volatilization, wherein the zinc-rich residues obtained in step 4 are delivered to a reduction volatilization procedure, so that second zinc oxide is obtained. According to the method, two-stage leaching is adopted, so that the leaching rate of the zinc in the oxidized ore is greater than 90%; and secondary zinc precipitation and enrichment is conducted on leachate through the oxygen-sulfur mixed ore, so that the zinc precipitation rate is greater than 99.5%, and the zinc content of the zinc-rich residues is 16-25%.

The invention discloses a method for cleanly producing chromate by liquid-phase catalytic oxidation of chromite. The method includes following steps: (1) preparing a slurry material from the chromite, an alkaline solution and a catalyst; (2) performing an oxidizing reaction to the slurry material prepared in the step (1) with an oxidizing agent to obtain a reaction product; (3) diluting the reaction product, performing liquid-solid separation to respectively obtain an alkaline solution and a mixture composed of a crystal of chromate (such as sodium chromate or potassium chromate) and a residue; and (4) dissolving and filtering the mixture and removing impurities from the mixture to obtain a chromate solution, and further performing evaporative crystallization to the chromate solution to obtain the chromate product. The method can effectively increase the efficiency of producing the chromate (such as sodium chromate or potassium chromate) by liquid-phase catalytic oxidation of the chromite. In the method, the catalyst does not enter the liquid phase after the reaction finished so that the catalyst can be separated from the chromate (such as sodium chromate or potassium chromate) product. The catalyst is free of polluting the product so that the method has an excellent industrial application prospect.

E-cigarette solid powder comprises, by weight, 2% of a free radical remover, 5% of a cough-relieving lung-moistening ingredient, 20% of a high-aroma ingredient, 2% of a moisturizing flexible ingredient, 70% of a base material and 1% of a mildew preventive. By adding E-cigarette solid powder that is high-aroma solid powder into liquid-solid combination e-cigarettes and solid e-cigarettes, strong aroma can be imparted to the e-cigarettes having no burnout taste, the aftertaste and harmony are good, aroma can penetrate well, good applicable effect is exhibited, smokers can easily quit and controlsmoking, and the E-cigarette solid powder has a good popularization and application prospect.