195results about How to "Destabilizing" patented technology

The invention belongs to the technical field of municipal sewage sludge treatment, and more particularly relates to a sludge conditioner prepared by ash produced after combustion of biomass pulverized fuel, and a sludge dewatering method thereof. The sludge conditioner is prepared by mixing the raw materials by weight percent: 30-95% of product obtained after the combustion of biomass granule fuel, 5-20% of quicklime powder and 0-50% of pulverized fuel ash. The sludge conditioner is added into water-containing sludge to be evenly stirred and then processed by mechanical dehydration, the water content of sludge mud cake can be reduced to 40-60%, and the sludge specific resistance is reduced to 10<-6>-10<-7>. The invention can solve the problem of deep dehydration of the sludge, and the dehydrated sludge can be used as soil, or raw material for producing clay or building material.

The invention provides a process method for preparing high-performance carbon black masterbatch, relating to the technical field of carbon black masterbatch preparation processes. The wet-method carbon black masterbatch preparation process method provided by the invention is simple in process, low in energy consumption and excellent in performance. The method comprises the steps: soaking non-granulated carbon black powder in an aqueous solution of a micromolecular volatile solvent, so as to prepare uniformly-dispersed carbon black slurry; flocculating out masterbatch and carbon black at a certain stirring linear speed without adding other flocculating agents, filtrating and drying. The carbon black in the masterbatch prepared by the method disclosed by the invention reaches nano dispersion, vulcanized rubber has the advantages of excellent mechanical property, good resilience, low heat generation and high wear resistance, the preparation process is simple, the equipment investment is small, the energy consumption is low, the cost is low, the method is environmental-friendly, and the influence on the performance of the rubber and the pollution to the environment, caused by a surfactant, a flocculating agent and the like, are avoided.

The invention belongs to the technical field of urban sewage and sludge treatment and relates to a sludge dewatering conditioning agent and a deep dewatering method thereof. The invention discloses the novel sludge conditioning agent. The sludge conditioning agent comprises polyacrylamide and a coal pyrolysis product, namely semicoke; the invention also discloses the method for treating the sludge by using the conditioning agent; the method comprises the following steps: firstly, concentrating and dewatering the sludge by using the conditioning agent, wherein the BOD (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand) and SS (Suspended Solids) of supernatant liquor after concentrating and dewatering can meet secondary sewage drain standard, and the water content of the treated sludge is less than 80%; then, directly filter-pressing and dewatering the concentrated and dewatered sludge, wherein the water content of the treated sludge is less than 50%. The used sludge conditioning agent is extremely strong in adsorption capacity, low in cost and excellent in performance; the sludge treatment process is simple, the dewatering time is short and the water content of the sludge is low; the dewatered sludge can be directly recycled without drying and dewatering, so that the sludge dewatering conditioning agent has good application prospect.

The invention relates to a treatment process of high-slag-content and water-containing sump oil and relates to the technical field of separation and treatment of slag-containing and water-containing sump oil. Firstly, the sump oil is washed with alkali liquor, emulsification systems of a W / O type and an O / W / O type in the sump oil are subjected to phase inversion to form emulsion of an O / W type, the viscosity of the high-slag-content and water-containing sump oil and the interfacial tension of the emulsion systems can be effectively reduced due to formation of the emulsion of the O / W type, and therefore mass transfer of a subsequent demulsifying agent is facilitated, and the demulsifying effect of the subsequent demulsifying agent fully acts. Then, sulfuric acid is added and made to react with sodium naphthenate, sodium naphthenate is reduced into naphthenic acid without the emulsifying effect, and therefore the emulsifying effect of sodium naphthenate is eliminated. Next, a demulsifying agent of a compound type and a flocculating agent are sequentially added, and further flocculating setting separation happens to part of dross remaining in an oil layer. Finally, the sump oil is treated through the acoustic cavitation effect of ultrasonic waves, the mechanical vibration effect and the heat treatment effect, water and slag are further removed, and crude oil is recycled.

The invention provides a method for producing chlorogenic acids from fresh eucommia leaves. The method comprises the following steps: firstly, pulping the fresh eucommia leaves so as to obtain eucommia leaf pulp; then adding purified water to the eucommia leaf pulp, and carrying out ultrasonic-assisted extraction so as to obtain eucommia chlorogenic acid crude extracting liquid; flocculating the eucommia chlorogenic acid crude extracting liquid by using chitosan, and decolorizing the eucommia chlorogenic acid crude extracting liquid by using activated carbon so as to obtain eucommia chlorogenic acid loading liquid; and finally adsorbing the eucommia chlorogenic acid loading liquid by using a chromatographic column, and carrying out stepwise elution so as to obtain eucommia chlorogenic acids with different purities. The method has the advantages that the purified water is used for safe nontoxic extraction, separation and purification so as to obtain the eucommia chlorogenic acids, the lost of effective components in an eucommia leaf harvesting aftertreatment process is effectively avoided, the high-effective extraction of the the eucommia chlorogenic acid is realized, the production cost of the eucommia chlorogenic acid is aslo greatly reduced, and the idea of green environment-friendly protection and energy-saving and consumption reducing production is fully embodied.

Disclosed are a true triaxial experimental device and method capable of obtaining the after-peak curve and residual strength of brittle rock. According to the device, a rigid load application framework is arranged in the middle of a fixed high-rigidity counter-force framework, and large principal stress load application actuators indirectly apply loads to a rock sample in a pressure chamber through the rigid load application framework. The method comprises the steps of preparing and sealing the rock sample, and mounting a displacement sensor; mounting the sample, and accurately centering and clamping the sample in a displacement control manner to eliminate gaps; finely adjusting the displacement sensor to a a measuring range; sealing the pressure chamber, and filling the pressure chamber with hydraulic oil; synchronously applying minimum, intermediate and maximum principal stresses, applying axial loads to the rigid load application framework by the first and second maximum principal stress load application actuators, applying the maximum principal stress to the sample through the micro-deformation of the rigid load application framework, and simultaneously measuring the deformation of the sample; applying loads to the sample to make the sample enter an after-peak deformation stage and damaged; continuing applying loads to the sample until the residual strength is obtained; sequentially removing the maximum, intermediate and minimum principal stresses, disassembling the damaged rock sample, and saving experimental data.

The invention discloses a data access control method and system based on mimicry defense, and is applied to the technical field of network security. The method comprises the steps that a user initiates a request to a data access control system, a view layer processes the request, a control layer calls a control layer heterogeneous execution body, a mimicry judgment layer I judges an access permission processing result, a data access layer calls a data access layer heterogeneous execution body, and a mimicry judgment layer II judges a data access processing result and sends the data access processing result to the user. According to the method, mimicry is carried out on the access control strategy, hackers can be effectively prevented from attacking an access control strategy, meanwhile, mimicry is carried out on the data access layer, the hackers can be effectively prevented from attacking a database, and therefore the stability of the system can be prevented from being damaged, and the robustness and safety of the system can be further improved.

The invention provides a method for preparing high-structure-dimension and high-reinforcing white carbon black and white carbon black obtained by the same. The preparation method comprises the following steps: (1) adding an anionic surfactant to a water glass solution, stirring and heating; (2) adding sodium sulfate to a liquid mixture obtained in step (1), stirring and reacting, and adjusting thepH with a sulfuric acid solution during the reaction; (3) after the reaction is completed, performing aging to obtain a liquid mixture of white carbon black. The white carbon black prepared by the preparation method provided by the invention has the advantages of specific surface area of 153 to 249 m[2] / g, DBP oil absorption value of 2.30 to 2.60 mL / g, high product structural property and good dispersibility. When the white carbon black is used for a styrene butadiene rubber reinforcing agent, the wear resistance, tensile strength and other properties of vulcanized rubber are improved, and the reinforcing property of the traditional white carbon black is improved.

The invention discloses a separating and recovering method for cobalt and manganese in cobalt-manganese waste. The method includes the steps that the cobalt-manganese waste is pretreated, then ammonia water is added, cobalt and manganese are subjected to complexation to generate a cobalt-manganese complex compound dissolved in a water solution, hydrogen peroxide is added after cobalt and manganese reacts for certain time, divalent manganese ions in the solution are oxidized to generate stabler manganese dioxide, and cobalt and manganese are separated through filtration; a sodium carbonate solution is added into filter liquor to precipitate manganese for the second time, remaining manganese ions in the solution are removed, and a cobalt-amine complex compound solution with the higher purity is obtained through filtration; cobalt is recovered from the cobalt-amine complex compound solution. The separating and recovering method is simple in process, the recovery rates of cobalt and manganese are high, the recovery rate of cobalt can be up to 95% or more, and the recovery rate of manganese can reach 99% or more.

The invention discloses a saline-alkali soil regulator and a processing process and application thereof. The regulator comprises ardealite, oil cake, kieselguhr, polysilicate aluminum ferrite, polyaluminum sulfate, polyferric sulfate, rectorite, cellulase, mushroom residue, bagasse, apatite, acid, EM bacteria, polymeric ferric silicate sulfate and ethanol. The processing process comprises the steps of firstly performing ball milling, ultrasonic treatment, calcination and acidizing treatment for rectorite; adding the ethanol and water into the bagasse, then performing sterilization treatment, mixing a mixture with the acid and adding the cellulase for enzymolysis; performing fermentation treatment for the oil cake, mushroom residue and EM bacteria; mixing the obtained fermented materials with the ardealite powder, the kieselguhr powder, the polysilicate aluminum ferrite, the polyaluminum sulfate, the polyferric sulfate, the polymeric ferric silicate sulfate and the apatite powder, performing granulation, and uniformly mixing the materials obtained through the granulation with the obtained bagasse adsorbent and the rectorite powder to obtain the saline-alkali soil regulator. The saline-alkali soil regulator can reduce the salinity content of saline-alkali soil to a greater extent.

The invention discloses a device and a process for removing oxalate in a sodium aluminate solution. The device comprise three parts, namely an oxalate reaction growth system, a grading system and a solid-liquid separation system. The process comprises the following steps: firstly, adding an oxalate growth agent, the sodium aluminate solution in an aluminum oxide production section and an oxalate inducer into a reaction tank; performing stirring to separate out oxalate in the form of large-particle agglomerates so as to obtain reaction slurry; pumping the reaction slurry into a grader for grading to obtain underflow and overflow; and finally, respectively carrying out solid-liquid separation on the underflow and the overflow to remove oxalate in the sodium aluminate solution. The method isshort in technological process, economical and feasible, and has a good industrial popularization prospect.