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53results about How to "Has an activation effect" patented technology

Supported rubber anti-aging agent, as well as preparation method and application thereof

The invention relates to a preparation method of a supported rubber anti-aging agent and an application thereof. The preparation method comprises the following steps of: firstly preparing a solution with the mass concentration of 0.5%-30% from a silane coupling agent and an organic solvent, further mixing with an inorganic carrier to form a mixture with the solid content of 2%-80%, and performing stirring reaction for 6-24h at the temperature of 40 DEG C-100 DEG C; then adding the rubber anti-aging agent in the molar concentration which is equivalent to 0.6-1.5 times of that of the coupling agent into a reaction product, and reacting for 10-20h at the temperature of 50 DEG C-80 DEG C under the protection of nitrogen; and finally filtering, washing and drying the reaction product to obtain the supported rubber anti-aging agent. The supported rubber anti-aging agent can significantly improve the aging protection effect of the anti-aging agent against rubber, integrates the functions of a reinforcing agent, an interface modifier and the like, reduces the environmental pollution and migration of the rubber anti-aging agent, becomes a high-efficient, multifunctional and environment-friendly novel rubber auxiliary, and has extensive application prospects in the rubber industry.
Owner:SOUTH CHINA UNIV OF TECH

Activated carbon regeneration device and method

The invention relates to the field of preparation for activated carbon, and in particular relates to an activated carbon regeneration device and method. The method comprises the following steps of feeding waste powdery activated carbon to a drying converter by using a feeding system, enabling the waste powdery activated carbon to pass through a carbon collector, a dust collector, a hopper and a charger, feeding dried powder into a boiling activation furnace, and activating the waste powdery activated carbon in the high-temperature boiling activation furnace; and enabling the formed powdery activated carbon and furnace gas to pass through a superheated steam heater in a pipeline, reheating steam, feeding the relatively high-temperature powdery activated carbon and furnace gas to a cyclone separator, and enabling the collected activated carbon to pass through a cooling feeder to be packaged or post-treated. According to the technical scheme, the activated carbon regeneration cost is low, the regeneration quality is high, a configured activated carbon drying and superheated steam boiling activation equipment system is reasonable in integral design, easy to run and environmentally-friendly, energy resources are recycled, the production cost is lowered, and the activated carbon can be automatically regenerated in a large scale.
Owner:FUJIAN XINSEN CARBON

Wave energy resonance meridian point qi therapy sauna room

The invention relates to a wave energy resonance meridian point qi therapy sauna room. The sauna room comprises a wood floor layer, a wall surface layer, a ceiling layer, a sauna furnace, an anti-explosion lamp, a bench, a sandglass, a wooden grid air inlet, a small sliding door and the like, wherein the surfaces of the wood floor layer and the bench and the surrounding wall surfaces are painted with a wooden paint blending with far infrared nanometer powder or negative ion nanometer powder at intervals; and the paint is provided with a protrusion, which is prepared from special ceramic nanometer powder undergoing the rubber and/or plastic blending deep magnetization treatment or the negative ion treatment and keeps a certain distance from the bottom plane and of which the protruding surface is an arc-shaped curved surface. The sauna room closely and scientifically combines a special structure with materials, and the structural design of the sauna room is closely combined with scientific theory, meridian acupuncture therapy, foot therapy massage and qi therapy in the Chinese medicinal science, so that unexpected effects are achieved; moreover, the sauna room is suitable for the qi therapy and sauna therapy of various groups, particularly the middle and old aged.
Owner:陈威利

Solid-phase shallow stirring in-situ chemical oxidation repair method for soil and underground water

The invention provides a solid-phase shallow stirring in-situ chemical oxidation repair method for soil and underground water, and belongs to the technical field of soil and underground water repair methods. The solid-phase shallow stirring in-situ chemical oxidation repair method includes the following steps of (1) field leveling and measurement zoning; (2) surface layer crushing and sieving and cofferdam setting; (3) shallow stirring equipment assembling and debugging; (4) solid oxidizing agent and activating agent addition; (5) shallow stirring construction; (6) surface layer curing; (7) chemical reaction and monitoring; and (8) self-inspection and acceptance. The solid-phase shallow stirring in-situ chemical oxidation repair method is suitable for repairing shallow saturated soil and underground water organic pollution and repairing underground water heavy pollution, the problem of being low in parameter of shallow heavy organic pollution chemicals added in the first turn of construction can be solved, and the oxidizing agent K adding ratio upper limit can reach 1.5%-6%. The method is easy and convenient to operate and high in construction efficiency, the reaction period is relatively long, an oxidizing agent and organic matter in the underground water can be reacted in a sustainable mode, and the underground water pollutant concentration regain is effectively prevented.
Owner:BCEG ENVIRONMENTAL REMEDIATION CO LTD

Method for recovering fine-grained cassiterite

The invention discloses a method for recovering fine-grained cassiterite. According to the method, a sulfur mixed collecting agent and a tin mixed collecting agent are used for desulfurization and tinselection respectively, the collecting effect of the two mixed collecting agents is good, and compared with a traditional collecting agent, the cost is low. The method includes the steps that sulfurroughing is carried out, then sulfur roughing tailings are subjected to one time of roughing, two times of concentration and two times of scavenging of cassiterite, and tin concentrate is obtained; the sulfur roughing concentrate is subjected to two times of sulfur concentration after graded desliming to obtain sulfur concentrate. According to the method, desulfurization and flotation of the cassiterite are separately carried out, so that fine sand in the sulfur roughing concentrate cannot be circulated in flotation of the cassiterite. On the one hand, the technical process prevents the fine sand in the sulfur roughing concentrate from entering flotation of the cassiterite, so that the chemical consumption of the fine sand is avoided, and the production cost is reduced; on the other hand,the grade and operation recovery rate of the cassiterite are improved, and by means of the technical process, the sulfur concentrate with relatively high grade and the tin concentrate with relativelyhigh grade and recovery rate are obtained.
Owner:KUNMING UNIV OF SCI & TECH

Method for recovering low-grade copper-sulfur ore containing secondary copper

The invention relates to a separation method of copper sulfide ore, in particular to a method for recovering low-grade copper-sulfur ore containing secondary copper. The method comprises the followingsteps: S1, ore grinding; S2, bulk flotation; S3, desliming of rough concentrate; S4, grading and regrinding of floated rough concentrate; S5, copper-sulfur separation flotation; and S6, sulfur mineral flotation, wherein a combined regulator prepared from EDTA (Ethylene Diamine Tetraacetic Acid), sodium silicate and sodium sulfide in a ratio of 5:2:1 is used for ore grinding; the bulk flotation comprises three times of flotation, butyl xanthate and Z200 are adopted as a collecting agent, and F501 is adopted as a foaming agent; and the copper-sulfur separation flotation comprises two times of concentration and two times of scavenging, copper concentrate is obtained through concentration separation, and middling products obtained through concentration and scavenging are returned, graded, reground and recycled. According to the method, the combined regulator, the foaming agent and the collecting agent with specific components and proportions are adopted, and a middling product returning and regrinding mode is adopted, so that the grade and the recovery rate of copper and sulfur concentrates are improved, and the application prospect is wide.
Owner:中铁建铜冠投资有限公司 +1

Alkaline soil phosphorus activator

The invention discloses an alkaline soil phosphorus activator, which is prepared by combining furfural residue, potassium sulphate, wood vinegar and phosphate-solubilizing bacteria agent. The alkaline soil phosphorus activator disclosed by the invention contains rich nutrient elements such as organic matter, nitrogen phosphorus and potassium, and also contains rich phosphate-solubilizing bacteria, applying the alkaline soil phosphorus activator in alkaline soil can increase the rapid available phosphorus content of the soil, increase the phosphorus supply capacity of the soil, enhance the nutrient absorption of crop and increase the yield of the crop, and thereby the application of phosphate fertilizer can be reduced. The added phosphate-solubilizing bacteria agent plays the role of activating both the original phosphorus and applied phosphate fertilizer in soil and has a longer duration of activation, and moreover, the phosphate-solubilizing bacteria agent can increase the yield of crops and promote the accumulation of nutrient elements in crops, and also can enhance the fertility of soil. The alkaline soil phosphorus activator is quite suitable for activating alkaline soil phosphorus. By limiting the dosage ratio of the furfural residue, the potassium sulphate, the wood vinegar and the phosphate-solubilizing bacteria agent, the utilization rate of phosphorus fertilizer is greatly increased, and the usage of phosphorus fertilizer in soil is reduced.
Owner:INST OF SOIL FERTILIZER & WATER SAVING AGRI GANSU ACAD OF AGRI SCI

Functionalized graphene oxide supported rubber anti-aging agent and preparation method and application thereof

InactiveCN109021293AImprove aging protection performanceHas an activation effectEnvironmental resistancePolymer science
The invention discloses a functionalized graphene oxide supported rubber anti-aging agent and a preparation method and an application thereof, which belong to the fields of a rubber auxiliary agent and anti-aging. The method firstly mixes a silane coupling agent, graphene oxide and water, and stirs the materials for a reaction at 100 to 140 DEG C for 4 to 8 hours; and then a phenolic antioxidant is added, and then is stirred for the reaction at 50 to 70 DEG C for 6 to 10 hours; and finally, a product is centrifuged and vacuum dried to obtain the functionalized graphene oxide supported rubber anti-aging agent. The functionalized graphene oxide supported rubber anti-aging agent can obviously increase the aged protection effect of the anti-aging agent on rubber, and has a function of a strengthening agent. The method saves the raw materials, and can also reduce the volatilization migration of the small molecule anti-aging agent and improve the combination of a matrix and an interface. Thepreparation process is environmentally friendly, efficient, energy-saving, and has high product recovery rate. The graphene oxide supported rubber anti-aging agent is the truly environmentally friendly novel rubber additive, and has broad application prospects in a rubber industry.
Owner:SOUTH CHINA UNIV OF TECH

Preparation method of silicon carbide from blast furnace water quenching slag and waste activated carbon

The invention discloses a preparation method of silicon carbide from blast furnace water quenching slag and waste activated carbon. The preparation method comprises the following steps: preparing materials of the blast furnace water quenching slag and the waste activated carbon in a mass ratio of 1: (0.5 to 2) and mixing uniformly to obtain a mixture A; placing the mixture A in an acid solution Bin a mass ratio of 1: (5 to 10), stirring at least for 4 h at the temperature of 70 to 90 DEG C, filtering and cleaning filter residues; and drying the filter residues to obtain backup filter residues, heating the backup filter residues to the temperature of 1400 to 1700 DEG C in inert or reducing atmosphere and carrying out heat preservation for 3 to 10 h and then lowering the temperature to 600to 900 DEG C, carrying out heat preservation for 3 to 5 h in oxidizing atmosphere, and performing acid pickling to obtain silicon carbide powder. The silicon carbide obtained by the invention has highpurity, small particle size, narrow distribution, and good industrial application values. Furthermore, the blast furnace water quenching slag and the waste activated carbon are taken as the raw materials, thereby being of positive significance in the aspects of reducing waste pollution, protecting environments and recycling resources.
Owner:CENT SOUTH UNIV

Method for preparing silicon carbide from coal gangue and waste activated carbon

The invention relates to a method for preparing silicon carbide from coal gangue and waste activated carbon, and particularly relates to a comprehensive utilization method for combining the coal gangue waste with the waste activated carbon. The method comprises the following steps: crushing and drying coal gangue, mixing the dried coal gangue with waste activated carbon subjected to treatment of acertain temperature according to a certain proportion, removing acid soluble impurities by using a strong acid solution, carrying out washing with hot water to neutral, carrying out drying, then carrying out heating to a certain temperature at a protective atmosphere, keeping the temperature for a period of time to obtain powder containing silicon carbide, oxidizing and combusting the powder an oxidizing atmosphere to remove residual carbon powder, dispersing the combusted powder into a mixed acid for removing residual silicon dioxide and other impurities, and carrying out washing and dryingto obtain the silicon carbide powder. The silicon carbide prepared by the method provided by the invention has high purity, small particle size and high industrial application value. At the same time,the industrial solid waste coal gangue and the waste activated carbon are as raw materials, so that positive significance is achieved in the direction of waste pollution reduction, environment protection, and resource recycle and reuse.
Owner:CENT SOUTH UNIV

Low-end calibration buffer solution for calibration process of upper gastrointestinal tract pH value dynamic monitor

The invention provides a low-end calibration buffer solution for a calibration process of an upper gastrointestinal tract pH value dynamic monitor. The low-end calibration buffer solution is prepared from the following raw materials in parts by mass: 0.35 part of nanosilicon dioxide, 3.5 parts of ethanol, 0.2 part of potassium sorbate, 3.5 parts of citric acid, 5 parts of a 5% glucose water solution and 25 parts of water; and the pH value of the buffer solution is regulated to 1.07 by virtue of sodium hydroxide or hydrochloric acid. With the application of the pH value calibration method of the upper gastrointestinal tract pH value dynamic monitor provided by the invention, a high-end pH value standard and a low-value pH value standard can be rapidly set; an adopted high-end calibration buffer solution and the adopted low-end calibration buffer solution can take an effect of activating a pH electrode probe and a reference electrode and an effect of reducing electrode surface resistance, so that the sensitivity of the electrode is improved; and as the high-end calibration buffer solution and the low-end calibration buffer solution are adopted for conducting calibrating, the monitoring precision of the upper gastrointestinal tract pH value dynamic monitor can be enhanced.
Owner:HEFEI KAILI PHOTOELECTRIC TECH

A method for preparing silicon carbide from coal gangue and waste activated carbon

The invention relates to a method for preparing silicon carbide from coal gangue and waste activated carbon, and particularly relates to a comprehensive utilization method for combining the coal gangue waste with the waste activated carbon. The method comprises the following steps: crushing and drying coal gangue, mixing the dried coal gangue with waste activated carbon subjected to treatment of acertain temperature according to a certain proportion, removing acid soluble impurities by using a strong acid solution, carrying out washing with hot water to neutral, carrying out drying, then carrying out heating to a certain temperature at a protective atmosphere, keeping the temperature for a period of time to obtain powder containing silicon carbide, oxidizing and combusting the powder an oxidizing atmosphere to remove residual carbon powder, dispersing the combusted powder into a mixed acid for removing residual silicon dioxide and other impurities, and carrying out washing and dryingto obtain the silicon carbide powder. The silicon carbide prepared by the method provided by the invention has high purity, small particle size and high industrial application value. At the same time,the industrial solid waste coal gangue and the waste activated carbon are as raw materials, so that positive significance is achieved in the direction of waste pollution reduction, environment protection, and resource recycle and reuse.
Owner:CENT SOUTH UNIV
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