52results about How to "Solve Post-Processing Issues" patented technology

The invention belonging to the environmental protection and new technique energy source field discloses a coupling method for biogas fermentation and autotrophy type fresh water micro-algae culture. The invention is characterized by adopting the method of simultaneously carrying out biogas fermentation and autotrophy type fresh water micro-algae culture including biogas fermentation, marsh liquid processing, autotrophy type fresh water micro-algae inoculation and biogas introduction, control of autotrophy type fresh water micro-algae culture, and harvest of autotrophy type fresh water micro-algae culture. The invention adopts the coupling method of biogas fermentation process and phototrophy type fresh water micro-algae culture. The marsh liquid is taken as the culture medium of autotrophy fresh water micro-algae, and the CO2 in the biogas is taken as the CO2source needed by autotrophy type fresh water micro-algae culture, thereby greatly reducing the production cost of autotrophy type fresh water micro-algae and solving the problems of biogas purification and marsh liquid aftertreatment.

The invention relates to a processing method of soy protein and a product thereof, and the processing method comprises the following steps: step 1, extracting and separating ground soybean meal and obtaining protein solution and bean dregs; step 2, carrying out acid precipitation on the protein solution, obtaining protein curd and grinding the bean dregs; step 3, mixing slurry of the beam dregs with the protein curd and neutralizing; and step 4, carrying out sterilization and drying. The processing method of the soy protein and the product thereof not only solve the post-treatment problem of the bean dregs during the processing of separating the protein, but also have stronger functional property in comparison with concentrated soy protein and solve the difficult problems of lower nitrogensoluble index of the concentrated protein and lower crude protein content.

The invention provides a catalyst component for olefin polymerization, a preparation method of the catalyst component for the olefin polymerization, the catalyst component for the olefin polymerization prepared by using the method, a catalyst for the olefin polymerization and an application of the catalyst. The catalyst component comprises a product obtained by a reaction of a magnesium source, a titanium source and an internal electron donor, wherein the internal electron donor comprises carboxylic acid diol ester and phosphate. The stereo direction ability of the catalyst component for the olefin polymerization is relatively strong, and high-isotacticity polyolefin can be prepared by using the catalyst component.

The invention discloses a method used for chrome tanning waste water treatment and chrome recovery. The method comprises the steps of pretreatment, pH adjustment, electric flocculation treatment, aeration sedimentation treatment, sludge reaction pool treatment, electro-catalysis oxidization treatment and the like. A novel method for treating chrome-contained waste water through an electrochemical method is provided for the field of leather water treatment, a technology for recovering chrome in sludge is studied and developed, chrome resource consumption is lowered, the purposes of up-to-standard discharging of the chrome-contained waste water and recycling and reusing of chrome resources are realized, and meanwhile, the problem of after-treatment of a large amount of chrome sludge in waste water treatment is solved.

The present invention relates to environment protecting technology, and is especially method and apparatus for burning mixed mud in circulating fluidized bed boiler. According to the design scheme, the circulating fluidized bed boiler has mud feeding port in the upper part and connected to conveying pipeline and mud plunger pump. The mixed mud burning method includes feeding mud with water content of 78-82 % and in the amount of below 50 % of fuel weight into the circulating fluidized bed boiler via the negative pressure area in the upper part of the hearth; and stoving and burning mud to kill harmful microbes including pathogenic bacteria and eliminate bad smell at 850-950 deg.c. The present invention provides a way of reducing amount of mud and harmlessly treating mud for sewage treating yard.

The invention provides a method for making a small-bore intravascular stent through supercritical gas. The method comprises a filling limiting stage, an intermittent foaming stage and a post-processing stage, wherein the filling limiting stage comprises the following operations: placing a to-be-processed tubular material into an outer mould which has a limiting effect, and filling and compacting aspace between the tubular material and the outer mould by solid particles I; filling and compacting a cavity in the middle of the tubular material by solid particles II, or adding an inner mould which has a limiting effect in the cavity, and filling and compacting a space between the tubular material and the inner mould by the solid particles II; the intermittent foaming stage includes a polymergas saturating stage and a rapid depressurizing cooling stage, wherein supercritical carbon dioxide is taken as a foaming agent; and the post-processing stage comprises an operation of separating thefoamed tubular material from the mould, so that the intravascular stent is obtained. Different from other means, the stent provided by the invention is designed with many uniform pores in the surface;and in addition, problems of post-processing can be also solved.

The invention relates to a method for jointly preparing ginger tea and ginger starch, the method comprises washing, smashing and sieving, supercritical extraction, sedimentation, filtration, spray drying, and the like, and the method simultaneously prepares ginger extract and the ginger starch. The ginger extract can be prepared into the ginger tea, the extraction rate of the ginger starch can reach 40.5%, the production efficiency is improved, the production time cost is shortened, and the production cost is reduced; ginger residue can be reused in the preparation of the ginger tea for preparation of the ginger starch, the bioavailability of the ginger residue is increased, environment pollution due to ginger residue discharge can be reduced, the problems of the environment pollution dueto the ginger residue discharge and waste residue bioavailability can be solved, the problems of post-treatment of ginger tea production waste and environmental pollution due to incomplete treatment can be solved.

The present invention relates to environment protecting technology, and is especially method of mixing sludge for burning in circular fluidized bed boiler and the special sludge conveyer. The method includes: A. feeding sludge into the upper or middle part negative pressure area in hearth of circular fluidized bed boiler via the sludge conveyer; B. controlling the sludge adding amount below 100 % of fuel weight and sludge water content of 25-90 %; and C. stoving and preheating sludge while it falls inside the hearth, burning its inflammables while decomposing and eliminating residual harmful microbes, germs and bad smell in high temperature area of 850-980 deg.c for 2-6 sec. The present invention provides one harmless way of treating sludge of sewage works.

The invention discloses a precursor compound of sunitinib, i.e. a pyrrolyl acrylamide compound, a preparation method thereof, and a new method for preparing sunitinib using the compound. The chemical name of the compound is N-[2-(diethylamino) ethyl]-5[-(E)-2-(4-fluorine-2-halogenated-carbaniloyl)-vinyl]-2,4-dimethyl-1H-pyrro-3-formamide. The compound can be conveniently prepared into sunitinib in high yield through intramolecular Heck reaction.

The invention relates to the field of cast steel, in particular to cast steel added with rare earth elements. The invention discloses the cast steel added with rare earth elements; it is characterizedin that the cast steel comprises the following components by mass: C: 0.12% to 0.28%; 0.7%-1.3% of Si, 0.3%-0.9% of Mn, 3%-9% of Cr, 0.01%-0.5% of Mo, 0.05%-1% of V, 0.01%-0.05% of Al, 0.2%-0.6% ofrare earth element RE, less than or equal to 0.03% of S, less than or equal to 0.03% of P and the balance of Fe. The invention solves the problem that although the existing cast steel added with rareearth elements is very high in hardness, yet often insufficient in toughness.

The invention discloses a method for making red date dietary fiber, belongs to the technical field of dietary fiber, and aims to solve the problem of effective utilization of red date dregs in the prior art. The method comprises the following process steps: washing red dates, boiling, pulping and removing kernels, performing enzymolysis, separating juice from dregs, dehydrating and drying the date dregs, crushing, and packaging. By adopting the red date dietary fiber made by using the method, the aftertreatment problem of the date dregs is very well solved, emission of wastes is reduced, and environment pollution can be reduced.

The invention relates to a kasugamycin water-soluble fertilizer and a preparation method thereof. According to the preparation method, the water-soluble fertilizer is prepared from waste liquid generated after resin adsorbs kasugamycin. According to the invention, the environmental protection problem caused by high pollution can be effectively solved, the difficulty of enterprise sewage treatment cost is solved, on the other hand, waste can be turned into wealth, and the prepared water-soluble fertilizer has the advantages that the formula can be regulated as required, and the absorption efficiency is high.

The invention relates to the technical field of nanometer, and particularly discloses a nanometer carbon material composite additive based on surface modification and a preparation method thereof. Thenano carbon material composite additive based on surface modification comprises a nano carbon material, ricinoleic acid and a catalyst, the nano carbon material is acidized, the acidized nano carbonmaterial has rich hydroxyl, and the molecular structure of the ricinoleic acid has both hydroxyl and carboxyl. In the presence of the catalyst, the ricinoleic acid can be subjected to esterification reaction with hydroxyl on the surface of the nano carbon material to graft ricinoleic acid molecules on the surface of the nano carbon material; meanwhile, the ricinoleic acid molecules are self-polymerized to form polyricinoleic acid with wear resistance and dispersion effects. Experimental results show that the modified nano carbon material ricinoleic acid composite anti-wear additive system hasmore excellent anti-wear performance.

The invention relates to the technical field of new materials, especially to a processing method of fully-degradable resin. The processing method comprises the following steps: grinding rice straw andrice husk to obtain straw powder, mixing the straw powder with high molecular weight polylactic acid, low molecular weight polylactic acid, a biodegradation additive, reinforced fibers, a silane coupling agent, a heat stabilizer, a plasticizer and a calcium nitrate solution and reacting to obtain a precipitate A; adding a sodium hydroxide solution to obtain a precipitate B; adding dimethyl formamide and maleic anhydride, and mixing to obtain a precipitate C; and mixing the precipitate C with nano-titanium dioxide, a resin material and sodium carboxymethylcellulose to obtain the fully-degradable resin. By using the rice husk and rice straw as the raw materials, the produced resin has strong environmental protection property and is low-cost. The produced fully-degradable resin has high tensile strength; and the postprocessing problem that rice straw needs to be burned or landfilled is solved.