37results about How to "Play a role in enrichment" patented technology

The invention discloses a sintering flue gas desulfurization cycle enrichment methods and device, the described method from the sintering machine take part gas return to the top of sintering machine sealed enclosures within cycle, while complementing sintering machine burning need oxygen, the remaining part of the flue gas discharge after desulfurization. In devices, including dedusting device of flue gases between the chimney and flue, in the road before the desulfurization setup a branch pipeline to connect sintering machine sealed enclosures, in the branches of pipe setup cycle fan and supplement device. This invention due to sintered exhaust gas partly return to the seal trolley of sintering machine to reduce the displacement of gas, thereby reducing the total of dust and exhaust gas, while the SO2 of the sintering process play a enrichment role, to increase desulfurization efficiency, and reduce release total of burning exhaust gas, reducing the processing load of desulfurization device.

The invention belongs to the technical field of inorganic functional material preparation, and particularly relates to a TiO2 hollow microsphere synthesizing technology by using gel spherulite as precursor. A hydrolyzing agent complexed tetra-n-butyl titanate is dispersed into a water solution of starch, and is subjected to hydrothermal treatment at 150 DEG C, the starch reacts with tetra-n-butyl titanate to form a gel sphere with a three-dimensional network structure; a hollow structure is formed in the gel sphere in the mineralizing and carbonizing processes due to volume shrinkage, and the carbon ingredient remained in the gel sphere is removed by a thermal treatment; and the substantial part of the hollow TiO2 microsphere is made of a porous material formed by nano-crystalline grains (8-10nm) and nano-scale passages. According to the synthesized TiO2 spheres, the specific surface area is 230m<2>/g, the porous volume is 0.34cm<3>/g, and the average pore diameter is 6.6nm. By adopting the synthesizing process, water is used as a dispersing medium, and starch participates in the reaction to form the gel spheres, and the process is environment-friendly.

The invention relates to a method of performing oxidation treatment on waste lithium ion batteries, and belongs to the technical field of environment. The method comprises the following steps of adding waste lithium ion battery powder into an acidic water solution to obtain mixed slurry; inputting oxidizing gas to the mixed slurry with an aerating device, and performing oxidizing leaching; after areaction is completed, regulating the pH of the reaction slurry with an acid regulating reagent to remove few valuable metal ions in lixivium, and then performing solid-liquid separation to obtain lithium-enriched purifying liquid and reaction tailings; and then performing lithium sinking and solid-liquid separation on the purifying liquid so as to obtain lithium carbonate products or lithium phosphate products. Through the adoption of the method disclosed by the invention, through an aeration means, under a milder condition, high-selectivity extraction of lithium elements in the waste lithium ion batteries is realized; the reaction process is green and clean, simple and easy to operate, and wide in application range; and the lithium extraction rate is 85% or above, and the extracting selectivity is 95% or above, so that the problem that in a conventional processing method, lithium resources cannot be economically and effectively recovered can be solved from the source.

The invention discloses a refining method of a traditional Chinese medicine composition water extract. The traditional Chinese medicine composition comprises ginseng, rhizoma polygonati, rhizoma atractylodis, radix sophorae flavescentis, Tuckahoe, ophiopogon root, prepared Polygonum multiflorum, rehmanniae, dogwood, rhizoma coptidis, eupatorium and the like, and can treat diabetes mellitus. The method carries out refining on the traditional Chinese medicine composition by filtering through an inorganic ceramic membrane; the method has high transfer rate of the effective components which can be industrially produced; the feed liquid has simple process; and the inorganic ceramic membrane is convenient to clean and can be repeatedly regenerated. The invention relates to a refining method of the traditional Chinese medicine composition water extract containing the ginseng.

The invention provides a heavy metal activator and application thereof in soil joint restoration. The activator preparation comprises the following steps that (1) straws are crushed and sieved, the crushed straws are added into an alkaline solution, a heating reacting is conducted, filtering is conducted after finishing the heating reaction, the filtration residue is taken and washed with water, washing is repeated until the eluent is neutral, and drying is conducted to obtain the lignin-removed straws; (2) urea is added into the lignin-removed straws, composting fermentation is conducted, rapeseed meal is added after the fermentation is thoroughly decomposed, a functional microbial agent is added, secondary fermentation is conducted after uniform stirring, and then after the second fermentation, the straw bio-organic fertilizer is obtained; and (3) organic acid is added into the straw bio-organic fertilizer, and uniform mixing is conducted to obtain the heavy metal activator. According to the application, through crop-rotation combined planting of soybeans and oilseed rape, the heavy metal is activated by the heavy metal activator, so that heavy metal in the soil can be convertedinto an effective state as much as possible to realize the continuous absorption of heavy metal, the joint restoration efficiency is improved, and the easy-to-implement and efficient combined restoration method is also provided for restoring heavy metal contaminated farmland soil.

The invention provides a method for detecting lime substances in flour with a near-infrared micro-imaging technology. The method comprises the steps of: collecting a near-infrared micro-image of a flour sample; according to the near infrared spectrum characteristics of lime substances and pure flour, subjecting the near-infrared micro-image of the flour sample to an imaging analysis. Without any complex pretreatment in the whole process, the detection of the invention has simple, rapid and pollution-free steps. Compared with traditional methods, the method provided in the invention has more obvious additive detection signals, thus being more conducive to the detection of very small amounts of additives. As near-infrared lights are stronger than mid-infrared lights in terms of penetrability in substances, so they can adapt to rough surfaces. Besides, near-infrared lights not only can collect the information of the sample surface, but also can go deep into the sample to collect information. Therefore, the near-infrared micro-imaging technology is very suitable for detection of lime substances in flour, thus providing a new method for rapid quality safety screening of market flour.

The invention discloses a refining method of traditional Chinese medicine composition extract liquid. The traditional Chinese medicine composition comprises fructus forsythiae, honeysuckle, ephedra herb, bitter apricot seed and the like, and can be used for treating flu. The method adopts an inorganic ceramic membrane for filtering to refine the traditional Chinese medicine composition extract liquid. The method is high in active ingredient transfer rate, can be used for industrial production, has simple material liquid treatment, is convenient for cleaning the inorganic ceramic membrane, andcan be regenerated repeatedly.

The invention relates to the field of foodstuff safety, and discloses a method for detecting lime-like substances in flour. The invention comprises the steps of: collecting microscopic mid-infrared images of flour samples requiring detecting; carrying out image analysis upon the microscopic mid-infrared images of the flour samples according to mid-infrared spectral features of lime-like substances and pure flour; calculating derivative spectrums of the lime-like substances and the pure flour according to the mid-infrared spectrums; and carrying out spectrum enhanced image analysis upon the microscopic mid-infrared images of the flour samples according to the derivative spectral features. According to the method for detecting lime-like substances in flour, complicated pretreatment is not required during a detection process; the detection steps are simple and quick; and detection results are accurate and reliable. Also, a target sample dimension of microscopic mid-infrared imaging reaches a micrometer grade, which is similar to a dimension of lime-like substance particles. Therefore, relative to a small lime-like additive amount, the method contributes to a lime-like substance enriching effect within a dimensional scope, such that the additive is easy to be detected.

The invention discloses a wet pre-separation process for copper-containing magnetite ore, and belongs to the technical field of ore separation. The method comprises the following steps that raw ore ofthe copper-containing magnetite ore is crushed, crushed products are screened, screened copper-containing magnetite ore particles are subjected to wet magnetic separation, and concentrate products obtained after magnetic separation are fed into a ball mill to be subjected to ball milling; tailings obtained after wet magnetic separation are screened, oversize products obtained after screening aredirectly discharged, the ore grinding amount of follow-up ball milling operation can be reduced, the ore dressing production cost is reduced, loss of the copper element is avoided as much as possible,and the oversize products are sold as building material products to increase benefits; the ball-milled ore discharge and undersize products are fed into a hydrocyclone for grading, and settled sand of the hydrocyclone is returned to the first-section ball mill to form closed-loop ore grinding; overflow products of the hydrocyclone enter subsequent sorting operation to sort magnetite and chalcopyrite, and therefore the technical effect that copper elements should be completely collected is achieved.

The invention relates to the technical field of water body detection and especially relates to an adsorption detection method of hydroxyapatite to metal nickel ions. In the method, a metal ion Ca<2+>in the hydroxyapatite can be substituted by metal ions having similar atomic size in order to generate apatite containing hetero-atoms; when the metal ion is Ni<2+>, the metal ion can replace the Ca<2+> and form bonds with oxygen on the surface of the material, thus forming hydroxyapatite containing nickel. The nickel in the hydroxyapatite, after being dissolved in hydrochloric acid, can be dissolved out. The raw material for enriching the Ni<2+> has extensive sources and low cost, has significant effect of enriching Ni<2+> and is high in recycling efficiency on the Ni<2+> after treatment withhydrochloric acid.

The invention relates to a remediation material for reducing migration-state lead ions in soil and a preparation method of the remediation material. The remediation material for reducing the migration-state lead ions in the soil is prepared from polylactic acid, eggshell powder, an SE-10 emulsifier, gingko peel powder, acetic acid, water, thiourea, polyacrylamide, ethylenediamine tetraacetic acid,urea, polyvinyl alcohol, nanocellulose and glycine. The remediation material for reducing the migration-state lead ions in the soil, provided by the invention, has excellent performance of reducing the migration-state lead ions in the soil.

The invention provides a Blue Dream white liquor aroma component concentrating method. Blue Dream white liquor is measured and is added into a container, then a saturated salt solution is added, mixing is performed to obtain a solution to be extracted, wherein the volume ratio of the Blue Dream white liquor to the salt solution is 1:3-7; a mixed solution of dichloromethane, diethyl ether and hexane is added into the solution to be extracted, continuous extraction is performed to obtain an upper-layer organic phase, moisture in the organic phase is removed, and then filtration is performed by adopting a filter membrane; the mixed solution obtained after filtration by adopting the filter membrane is added into an impalement type fractionation device, the fractionation device is put into a constant-temperature water bath kettle of 45-55 DEG C to perform impalement type fractionation and concentration, and the mixed solution subjected to impalement type fractionation and concentration is concentrated by using a pressure blowing concentrator to obtain a Blue Dream white liquor aroma component. The Blue Dream white liquor aroma component concentrating method is simple and convenient to operate, capable of saving time and effort and low in cost, can play enrichment and concentration roles on minor components, facilitates qualitative and quantitative analysis on extremely trace amounts of substance, meanwhile effectively reduces loss of volatile components and improves the recovery rate of aroma substance.

The invention provides a multi-effect sludge drying chamber, and belongs to the technical field of sludge drying. According to the technical scheme, sludge moves downwards along with a conveyor belt in sequence in vertical space and keeps in contact with countercurrent hot air constantly in the process, and accordingly the drying area of the sludge and the use ratio of the space are effectively increased. Meanwhile, exhaust gas waste heat, condensed water heat release and solar radiant heat are combined, the energy consumption level is remarkably reduced. Besides, sludge conveying and air flowwaftage are both completed in a mechanical way, and thus the automation degree is high, and human resources are saved. On that basis, if a detection unit and an electronic control unit are further introduced, automatic control over the device can be implemented. Exhaust gases after treatment are collected collectively, and secondary pollution to the environment is avoided. The multi-effect sludgedrying chamber achieves a good technical effect through novel technical improvement and is reasonable in structure, the scheme adapts to local conditions, and the drying chamber has a wide application prospect.

The invention belongs to the technical field of active ingredient extraction, and particularly relates to a preparation method and application of avocado oil rich in furan lipid unsaponifiable substances. The method comprises the steps of distillation, cyclization, saponification, extraction, washing, concentration and the like, and unsaponifiable substances can be effectively extracted by the process. The process method is simple and suitable for industrial popularization and application. The prepared unsaponifiable substances can be used for preparing medicines for treating arthritis, rheumatoid and periodontitis, and has a better effect.

The invention discloses a refine method for polygonum multiflorum water extract. The polygonum multiflorum has the efficacies of nourishing liver and kidney, benefiting essence and blood, blackening beard and hair and strengthening muscles and bones. The method adopts inorganic ceramic membrane filtration to refine the Polygonum multiflorum water extract, has high transferring efficiency of effective components, can be industrially produced, has simple feed liquid process; and the inorganic ceramic membrane is convenient to clean, and can be recycled.

The invention relates to the field of preparation and detection of traditional Chinese medicine chemical components, in particular to a preparation method and a content determination method of chebulaic acid in myrobalan meat. According to the method for preparing the chebulinic acid from the myrobalan meat, the product purity can reach 99% or above, the total yield can reach 60% or above, and the method can be applied to quality control of the chebulinic acid as a standard substance or a reference substance. Moreover, the method is simple in operation steps, low in equipment cost, applicable to industrial production and suitable for preparation of a large number of chebulaic acid reference substances. The method for determining the content of chebulagic acid in myrobalan can accurately detect the content of chebulagic acid in myrobalan meat, lays a theoretical basis and an experimental basis for establishing a quality standard of myrobalan, and has important significance for promoting industrial development of myrobalan.

The invention discloses a nano-composite catalyst TiO2-gamma-AlOOH, i.e., a nano-composite catalyst which is formed by loading TiO2 on gamma-AlOOH serving as a carrier, wherein the loading capacity of the TiO2 is (10-40):100 according to the mass ratio of the TiO2 to the gamma-AlOOH carrier, i.e., TiO2:gamma-AlOOH carrier. The nano-composite catalyst TiO2-gamma-AlOOH is prepared through a one-step synthesis method, i.e., the TiO2 is added into absolute ethanol, then aluminum tri-sec-butoxide is added, and heating, stirring, aging, vacuum filtration, acetone washing and drying are performed to obtain the nano-composite catalyst TiO2-gamma-AlOOH. The obtained nano-composite catalyst TiO2-gamma-AlOOH has the advantages of strong adsorption and photo-catalysis, good response to ultraviolet light, stable performance, capability of effectively treating pollutant methyl orange in wastewater and the like.

The invention discloses a preparation method of a nano-composite catalyst titanium dioxide pseudo-boehmite. The preparation method comprises the following steps of a, adding TiO2 into anhydrous ethanol, b, adding aluminum tri-sec-butoxide into the solution and carrying out stirring to obtain a mixed solution I, c, carrying out heating stirring to obtain a mixed solution II in a gel form, d, adding deionized water into the mixed solution II, and carrying out aging to obtain a mixed solution III, e, carrying out pumping filtration of the mixed solution III by a pumping filtration device to obtain a mixed solution IV, f, flushing the mixed solution IV by acetone several times to obtain a sample, and g, drying the sample to obtain the nano-composite catalyst titanium dioxide pseudo-boehmite. The preparation method utilizes gamma-AlOOH as a carrier, modified TiO2 as a catalyst and aluminum tri-sec-butoxide as an aluminum source to prepare the nano-composite catalyst titanium dioxide pseudo-boehmite by a one-step method. The nano-composite catalyst titanium dioxide pseudo-boehmite has strong adsorption and photocatalysis performances, good response to ultraviolet light and stable performances and can effectively treat water pollutants such as methyl orange.