195results about How to "Destabilizing" patented technology

The invention provides a crude oil desalinization compound, comprising the following components by weight percent: 0 to 95 percent of emulsifying agent, 1 to 90 percent of one or more than one carboxylic acid plymer, or one or more than one organic phosphine compound or the mixture of the organic phosphine compound and 4 to 94 percent of solvent. The invention also provides a method of desalinating the crude oil, particular the acid containing crude oil, by using the desalinization compound. The invention is suitable for the desalinization of the crude oil, particular the acid containing crude oil and the inferior high acid number and high salt crude oil.

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 discloses an efficient biological water purifying agent as well as a preparation method and a use method thereof. The water purifying agent is prepared by mixing three components namely microorganisms, a biological enzyme and a flocculating agent. By virtue of the combined effects of the microorganisms, the biological enzyme and the flocculating agent, a significant water body purification effect can be shown, the quality of a water body can be significantly improved, the content of dissolved oxygen in water can be improved, the growth of harmful bacteria can be inhibited, suspended matter and harmful algae in the water can be removed, the content of ammonium nitrogen and nitric nitrogen in the water body can be reduced, the water body can be clarified, foul smell can be eliminated, degradation of pollutants can be promoted, and the ecological benign development of the water can be promoted. The water purifying agent disclosed by the invention has very good purification effects on sewage in agriculture, forestry, animal husbandry and fishery industry, domestic sewage and industrial sewage, and has very important practical significance in environmental protection.

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 discloses an environment-friendly water purifier, preparation and using methods thereof. The water purifier is prepared by mixing a flocculating agent, a metal-chelator and microbes; under the combined action of the three ingredients, the purification effect of a water body can be strengthened, the water body quality can be remarkably improved, the water body becomes clear, odor can be eliminated, the hardness of the water quality can be reduced, the dissolved oxygen can be increased, the contents of ammonia nitrogen and nitrate nitrogen of the water body can be reduced, heavy metal ions can be reduced, pathogenic bacteria can be reduced, suspended matters and harmful algae in the water can be reduced, diseases of aquatic animals and plants can be reduced, degradation of pollutants in the water can be accelerated, and the aquatic ecological development is healthy and sound. The water purifier does not contain aluminum, iron, chlorine, heavy metal ions or other harmful substances, is safe, environment-friendly and healthy, has a remarkable effect of purifying sewage in the agriculture, animal, husbandry and fishery industries, domestic sewage and industrial sewage, and is of important meaning for environmental protection and human health protection.

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 discloses a three-step improvement method for saline alkali soil. According to the method, the saline alkali soil is improved through three steps that firstly, the saline alkali soil is treated through ardealite, most of salt is taken away from the saline alkali soil, and the pH value of the saline alkali soil is lowered; secondly, the saline alkali soil is treated through bagasse absorption agents, polysilicon acid ferric sulfate, poly-aluminum ferric silicate sulfate and kieselguhr, the content of the salt and the pH value of the saline alkali soil are further lowered, and the soil structure of the saline alkali soil is improved effectively; thirdly, fermentation materials such as mushroom bran and oil cakes are adopted for treatment, the content of the salt in the saline alkali soil is further lowered, the pH value of the saline alkali soil is lowered, the content and category of microorganisms are increased for the saline alkali soil, and the content of organic matter of the saline alkali soil is increased.

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 discloses a synchronous decoloration and nitrogen recovery method for high-concentration printing waste liquids. The method is characterized by comprising steps as follows: cation exchange resin is added to a certain quantity of the high-concentration printing waste liquids and stirred until pasty sludge is formed through a reaction; treated wastewater is taken as back washing water to wash the resin clean; the sludge in the back washing water is precipitated and separated from wastewater, the precipitated sludge is mechanically pressed and dewatered; the washed cation exchange resin is filtered and dewatered; an acid solution for dewatered resin is treated, nitrogen is recovered, and the resin is regenerated; the regenerated cation exchange resin is added to the high-concentration printing waste liquids and recycled. With the adoption of the treatment method, the decolorization rate of the printing waste liquids is higher than 99.5%, the ammonium-nitrogen removal rate is about 90%, the CODCr removal rate is higher than 90%, synchronous decoloration and nitrogen recovery of the waste liquids are realized, and the content of acid group ions in the wastewater is not increased.

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 embodiment of the invention discloses a preparation method of an aqueous nano-pigment dispersion liquid, which relates to the field of preparation of colored photoresists and is used for overcoming various defects of a solvent type pigment dispersion liquid and increasing the developing efficiency of a pigment. The method comprises the following steps of: mixing 2.5-40 percent by weight of distilled styrene for removing a polymerization inhibitor, 2.5-20 percent by weight of an acrylic ester monomer, 0.25-5 percent by weight of a crosslinking monomer, 0.05-0.5 percent by weight of an emulsifying assisting agent, 0.05-0.5 percent by weight of an oil-soluble initiator and 0.25-2.5 percent by weight of an organic pigment to be dispersed, and fully dissolving to form an oil phase solution; dissolving 0.05-2.0 percent by weight of an emulsifier and 0.05-2 percent by weight of a buffering agent into 40-90 percent by weight of deionized water to form a water phase solution; mixing the oily phase solution with the water phase solution, stirring, and ultrasonically homogenizing into a fine emulsion; and transferring the fine emulsion into a reactor, introducing nitrogen gas, heating, initiating polymerization, reacting for 10-40 minutes, adding 0.5-5 percent by weight of an alkali-soluble monomer, continually reacting for 1-5 hours, cooling to the room temperature, adjusting the pH to 8-10 with ammonia water, filtering, and discharging to obtain the aqueous nano-pigment dispersion liquid.

The application provides a mineral processing tailing wastewater treatment method. The mineral processing tailing wastewater treatment method comprises the following steps: A), mixing the mineral processing tailing wastewater and a destabilizing agent to obtain destabilized wastewater; B), mixing the destabilized wastewater and a first coagulant and sedimenting to obtain tailing wastewater supernatant and flocs; and C), mixing the tailing wastewater supernatant and a second coagulant and sedimenting to obtain purified water. During the treatment of mineral processing tailing wastewater, the wastewater is firstly destabilized so that suspended solids in the tailing wastewater is free from the steady state and then the destabilized tailing wastewater is further purified by virtue of a two-stage coagulating sedimentation method in a connected-in-series manner so as to accelerate the formation and sedimentation of coarse particle polymers, the contents of the suspended solids and heavy metal ions in the wastewater are decreased in a short time and the environmentally acceptable discharge of the wastewater is achieved.

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 relates to a preparation method of a graphdiyne-loaded monatomic catalyst, which belongs to the technical field of preparation of monatomic catalysts. The technical problems of atom aggregation and carrier structure damage easily caused by instability of existing metal monatomic and carrier materials at continuous high temperature is solved. The method comprises the steps of 1 mixinghexabromobenzene and calcium carbide, dissolving in ethanol, and grinding; 2 centrifuging, washing and calcining the generated reaction product; 3 carrying out acid washing treatment on the calcinedproduct to obtain graphdiyne; 4 soaking graphdiyne in a metal precursor solution to obtain graphdiyne loaded with a metal precursor; and 5 carrying out joule heating treatment on the graphdiyne loadedwith the metal precursor to a certain temperature to obtain the graphdiyne-loaded metal monoatomic catalyst. The monoatomic catalyst prepared by the method can prevent continuous high temperature from damaging the stability of the catalyst carrier, and atom aggregation is avoided.

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 relates to a deep city sludge dehydration curing method which needs a curing conditioning agent and comprises the following steps: 1) adding water into municipal sludge, and performing uniform stirring and mixing so as to obtain sludge slurry; wherein the mass percentage of the water is 8-10% of the dry weight of the sludge; 2) adding quick lime and coal ash into the sludge slurry prepared in the step 1), performing stirring, adding an iron salt, and performing stirring so as to obtain paste slurry; and 3) performing press filtering on the paste slurry prepared in the step 2) byusing a plate frame filter press till the water content is 50% or less, so as to obtain mud cakes of which the water content is 50% or less. The method not only is low in cost, good in sludge dehydration effect, capable of forming hard plastic mud cakes after dehydration and good in curing effect, but also takes effects of sterilization and deodorization on sludge.

The invention discloses an adsorption preparation for wastewater treatment. The adsorption preparation for the wastewater treatment is prepared from the following raw materials in parts by weight: 14-18 parts of aluminum sulfate, 19-20 parts of oxalic acid, 22-25 parts of polyacrylamide, 16-18 parts of sodium carbonate, 9-17 parts of activated carbon, 10-16 parts of calcium aluminate, 5-8 parts of ammonium sulfate, 4-11 parts of sodium metaaluminate, 12-14 parts of calcium disodium versenate, 9-16 parts of potassium ferrate, 8-10 parts of polyvinylpyrrolidone, 3-4 parts of sodium carbonate, 9-14 parts of ferric citrate, 8-10 parts of polysulfide ferric chloride, 2-5 parts of cellulose powder, 3-8 parts of sodium lignosulphonate, 1-2 parts of dibenzoyl peroxide, 7-14 parts of nano-manganese oxide, 16-24 parts of guanidine sulfate, 22-25 parts of dodecyl triphenyl phosphorus chloride and 9-16 parts of isopropanol. The adsorption preparation for the wastewater treatment provided by the invention has a sterilizing function, and has the advantages of small material density and high processing efficiency.

The invention discloses a device and method for controlling the motion mode of resonant metal nanoparticles. The device is composed of a laser, a polarization converter, a spatial light modulator, a diffraction optical element, an attenuation slice and an immersion lens. The method comprises the steps that an angular polarized light field with complex distribution of spatial phases is generated through the polarization converter, the spatial light modulator and the diffraction optical element, and the light field is focused through the immersion lens. The metal nanoparticles located within the range of the focal field can obtain balanced positions in the optical axis direction and the radial direction. The particles can be fixed outside the axis or rotate around the optical axis by changing the type of the loaded phase of the spatial light modulator. The motion trail of the particles can be flexibly regulated and controlled through the method of switching the loaded phase. According to the method, strong scattering force generated by resonant metal particles in the traditional optical tweezer technology and the damage of the heat effect to control stability are overcome, and the device and method have great application prospects in a series of fields related to optical control.

The invention provides an oil base drilling cutting cleaning fluid and a cleaning method for oil base drilling cuttings. The oil base drilling cutting cleaning fluid includes: a component A, a component B and a component C; the component A is a demulsifier; the component B is a surfactant; the component C is water; and the demulsifier, the surfactant and water are in a mass ratio of (1.6-2):(0.6-0.8):(100-150). Compared with the prior art, the demulsifier is added into the oil base drilling cutting cleaning fluid provided by the invention to destroy the stability of oil base drilling fluid emulsion carried in oil base drilling cuttings, so that a liquid phase can break away from the surfaces of solid phase particles, and the demulsifier can reach a synergistic effect with the surfactant, thus lowering the oil-water interfacial tension, and better playing the role of cleaning the oil component. In addition, the oil base drilling cutting cleaning fluid is composed of the demulsifier, the surfactant and water, the cost is low, and the operation is simple.

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 preparation process of a dendrobe small-molecular polysaccharide extract liquid. The process includes: a) crushing dendrobium officinale and screening the dendrobium officinale through a sieve in 60 meshes, and adding deionized water according to material-to-liquid ratio of 1:150-1:180 by weight to soak the dendrobium officinale for 0.5-1 h; b) performing ultrasonic extraction for 0.5-1.5 h, temperature controlled at 30-40 DEG C; c) performing reflux extraction at 75-85 DEG C for 2-3 h and meanwhile adding chitosan accounting for 1-3 wt% of the dendrobium officinale,and continuously stirring and naturally cooling the extract to 40-50 DEG C; d) adding cellulase accounting for 1-5 wt% of the dendrobium officinale, performing heat reflux extraction for 0.5-1.5 h, heating the mixture to 75-85 DEG C and maintaining the temperature for 3-7 min; e) cooling and filtering the mixture to prepare the extract liquid. The dendrobe extract liquid contains a large quantityof dendrobe small-molecular polysaccharides and can deeply enter the basal layer of skin, so that the deep moisturizing effect of the dendrobe polysaccharide on skin is greatly enhanced. The dendrobeextract liquid is natural and safe and effectively achieves multiple moisturizing effects on skin.

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.

The invention relates to a countercurrent high-pressure-injection emulsion breaker filling device. The countercurrent high-pressure-injection emulsion breaker filling device comprises a storage tank (1), a feeding port (2), an air outlet hole (3), a measuring pump (4), a filling pipe (5) and a main pipeline (7). The countercurrent high-pressure-injection emulsion breaker filling device is simple in structure, reasonable in design and convenient to operate. When an emulsion breaker is filled in a countercurrent high-pressure injection way, the defects that the emulsion breaking time is short and the mixing is non-uniform can be overcome, and the emulsion breaking effect can be improved; and drastic turbulent flow can ensure that the emulsion breaker is uniformly mixed with crude oil emulsion, so that the emulsion breaker can rapidly reach an oil-water interface, and the stability of the emulsion can be broken.

The invention discloses a professional shooting unmanned aerial vehicle device with excellent endurance performance. The professional shooting unmanned aerial vehicle device comprises an unmanned aerial vehicle shell, wherein double lithium batteries are arranged inside the unmanned aerial vehicle shell, a GPS receiver is fixedly installed on the outer surface of the front end of the unmanned aerial vehicle shell, a convex block is fixedly connected with the outer surface of one side of the unmanned aerial vehicle shell, the outer surface of the upper end of the convex block is fixedly connected with a fixing column, and a second miniature motor is arranged on the outer surface of the bottom end of the unmanned aerial vehicle shell, a third miniature motor is fixedly connected to the outersurface of one side of the second miniature motor, and a high-definition camera is movably connected to the outer surface of one end of the third miniature motor. In summary, the professional shooting unmanned aerial vehicle device has the advantages that the professional shooting unmanned aerial vehicle device with excellent endurance performance is provided with the double lithium batteries, the GPS receiver and a telescopic shaft, the endurance performance of the unmanned aerial vehicle can be enhanced, the loss of the unmanned aerial vehicle can be effectively prevented, an impact force can be reduced when the unmanned aerial vehicle lands, and the unmanned aerial vehicle device is simple in structure and convenient to use.

The invention relates to a biological treatment method for wood fiber hydrolysate, and belongs to the field of biomass refining. The method comprises the steps that pectinase is added into hydrolysate obtained after a wood fiber raw material is self-hydrolyzed for enzyme treatment, wherein the using amount of the pectinase is 10-1,000 g per ton of the hydrolysate, the enzyme treatment temperature ranges from 30 DEG C to 70 DEG C, the enzyme treatment time ranges from 1 h to 48 h, and the pH ranges from 3.0 to 8.0; after the hydrolysate is treated with the pectinase, treatment is conducted by adopting a cationic polymer. According to the method, the removal efficiency of lignin, especially colloid lignin in the hydrolysate can be improved, the using amount of the cationic polymer can be decreased, and meanwhile loss of oligosaccharide in the cationic polymer treatment process can be significantly reduced.

The invention discloses a wet-process high efficient method for purifying flue gas containing simple substance sulfur. The method comprises following steps: (1) adding a solid adsorbent into flue gascontaining simple substance sulfur; (2) then introducing the flue gas containing the solid adsorbent and simple substance sulfur into a washing tower, washing the flue gas by a solution, and after washing and purifying, discharging the flue gas; and (3) after washing, introducing generated wastewater in the washing tower to a setting tank to carry out solid-liquid separation to obtain supernate and precipitated sulfur containing solid adsorbent. The added solid adsorbent can attract charges on the colloidal sulfur surface, the stability of colloidal sulfur is broken, the removal rate of colloidal sulfur in detergent is increased, and solved is the problem that equipment is obstructed by colloidal sulfur adhered on the surface of the equipment.

The invention discloses a sludge dehydration conditioning agent and its preparation method and use method and belongs to the technical field of environment engineering. The sludge dehydration conditioning agent is obtained by mixing calcium carbide slag, marble slag, carbides and cured sludge according to a mass percentage ratio of (4-6): (2-4): (2-4): (4-6). The preparation method comprises respectively fragmenting calcium carbide slag, marble slag, carbides and cured sludge, carrying out ball milling and carrying out mixing according to a ratio to obtain a uniform mixture. The use method of the sludge dehydration conditioning agent comprises mixing sludge and the sludge dehydration conditioning agent according to a mass ratio of 1: (0.05-0.1) to obtain a uniform mixture, carrying out standing for 1 day, and carrying out dehydration treatment on the sludge mixture to obtain sludge with water content less than 50% and pH of 5-10. The sludge dehydration conditioning agent has the advantages of low cost, simple operation and obvious dehydration effects, has a wide raw material source, can be fully mixed with sludge easily, and can effectively improve a sludge combustion heat value. The sludge treated by the sludge dehydration conditioning agent can be recycled. The sludge dehydration conditioning agent realizes sludge harmlessness, quantitative reduction and recycling application.

The invention discloses a saline-alkali soil modifying agent and a preparation method and an application method of the saline-alkali soil modifying agent. The saline-alkali soil modifying agent is prepared from, by weight, 200-300 parts of ardealite, 150-200 parts of oil cakes, 20-30 parts of urea formaldehyde, 120-180 parts of mushroom residues, 10-20 parts of wormcast, 60-80 parts of stems of ficus tikoua bur, 40-60 parts of cow dung, 20-30 parts of sheep manure and 30-50 parts of ploysilicate aluminum ferric sulphate. Ficus tikoua bur is capable of absorbing salts from saline-alkali soil, biological degradation time of the high-temperature dried stems of ficus tikoua bur is 1-2 years, and applying the stems of ficus tikoua bur to the saline-alkali soil can absorb the salts in the saline-alkali soil to reduce salt content of the saline-alkali soil, promote formation of soil aggregate structure to improve soil physicochemical properties and achieve effectiveness in water retention and inhibition of salt return.