115results about How to "Solve concentration" patented technology

A process for preparing natural gel of magnesium aluminium silicate from bentonite, attapulgite, bentone, etc includes such steps as pulverizing, preparing slurry, adding pour depressor, stirring, dynamic centrifugal separation, adding inorganic salt containing one-valence metal ions, stirring, pre-activating, adding organic salt containing at least Na ions, stirring for modifying, and post-treating.

The invention relates to a bacillus subtilis highly producing tetramethylpyrazine and a method thereof for fermentation producing tetramethylpyrazine, and belongs to the technical field of bio-engineering. The invention discloses a Bacillus subtilis XZ1124 which can highly produce tetramethylpyrazine, and is preserved in CCTCC, and the preservation number is CCTCC NO: M 208157. The strain is made of Maotai-flavor liquor and high temperature Daqu; the strain is identified as Bacillus subtilis based on colony, cell form, physiological and biochemical characteristics and 16S rRNA gene sequence comparative result thereof. The strain can utilizes glucose, sucrose, molasses and soybean cake powder as substrate, and increases the output of tetramethylpyrazine through accumulating a great deal of endogenous precursors, so as to solve the problems of low product density, exogenous adding precursor requirement, and low precursor utilization rate in tetramethylpyrazine production through microbe fermentation. When sucrose and soybean cake powder are used as substrate, 4.08 g/L of tetramethylpyrazine can obtained through shaking culture of the raw material for 120 h at the temperature of 37 DEG C.

The invention provides a composition of instant freeze-dried fibrinogen and thrombin preparation, a preparation method and a use thereof, and the composition comprises composition 1 composed of 35-70mg/ml of fibrinogen, 9-15mg/ml of sodium citrate, 7-12mg/ml of sodium chloride, 0.3-0.6mg/ml of polysorbate-80, 10-15mg/ml of mannitol, 4 -8mg/ml of arginine and 3.5-5.5mg/ml of glutamic acid by mg/ml and composition 2 composed of 700-1,200 mg/ml of thrombin, 3-6mg/ml of dextran 20, 15-25mg/ml of glycine, 5-7mg/ml of sodium chloride and 4-7mg/ml of calcium chloride by mg/ml. A sealant avoids the risk of spreading of AIDS virus, and the like, increases the drug stability, reduces the degeneration during the virus inactivation process by dry-heat method, protects biological activity, avoids local liquid storage of the using part caused by high permeability and the irritation of a large amount of inorganic salts to tissues, is conductive to the healing of trauma sites and ensures product safety and independent package to the maximum extent, thereby increasing storage time, facilitating use and meeting the clinical and field first-aid needs.

The invention discloses a biological circulation fluidized bed combustion method and a biological fueled circulation fluidized bed boiler; the fluidized bed boiler comprises a boiler cavity, a clutch, a material refeeder, a tail chimney, wherein, the boiler cavity is provided with a superheater high temperature section, and the tail chimney is provided with a superheater low temperature section. Through the arrangement of heating surfaces of the boiler cavity and the tail chimney and other auxiliary measures, the temperature of the upper part of the boiler cavity is controlled at 550 to 800 DEG C, the outlet steam temperature of the tail heating surface is controlled at 350 to 400 DEG C, so as to solve the problem that: the temperature distribution of the boiler cavity is unreasonable, and the material concentration of the lower part of the boiler cavity is too low when the biological fuels are combusted in the circulation fluidized bed based on the stable fire, complete consumption of biological fuels , so that the temperature distribution in the boiler cavity tends to be equalized and the boiler cavity can be prevented from clinkering, and the accumulated ashes on the heating surfaces can also be prevented from being clinkered, furthermore, the boiler output capacity can be ensured, and a high steam parameter can also be achieved to ensure the generation efficiency.

The invention discloses a magnetic resonance imaging nanometer drug carrier, and a nanometer drug loading system and a preparation method thereof. The magnetic resonance imaging nanometer drug carrieris a triblock polymer nanoparticle, wherein the triblock polymer is PLGA-PEI-PEG, and has active groups on the surface, and the active groups comprise amino, hydroxyl and carboxyl. According to the present invention, the drug carrier can efficiently load a nuclear magnetic resonance imaging drug and an antitumor drug to make the antitumor drug specifically reach the tumor lesion site, such that the nuclear magnetic resonance positioning of the superparamagnetic ferroferric oxide nanoparticle at the tumor region can be achieved while the high-selectivity and low-toxicity treatment effect can be achieved, and the disadvantages of poor selectivity, strong toxic-side effect, easy drug-resistance generation and the like of the traditional cytotoxic drugs can be overcome; and the preparation method is simple and is easy to perform, the prepared triblock polymer nanoparticle can be stably stored in the aqueous solution so as to be easily stored, and various functional groups exist on the surface of the particle, such that the prepared triblock polymer nanoparticle can be easily subjected to surface modification or surface functionalization.

The invention discloses a method for treating high-content ammonia and nitrogen for shortcut nitrification to discharge effluent by coupling simultaneous denitrification of sludge fermentation with autotrophic nitrogen removal, belonging to the technical field of biochemical process sewage treatment. The high-efficiency removal of total nitrogen in wastewater and the reduction of sludge are realized in the same space by combined action of hydrolysis acidifying bacteria, denitrifying bacteria and anaerobic ammonium oxidation bacteria. The method is characterized in that part of NO2--N in effluent is reduced by short-chain fatty acid generated by hydrolytic acidification of residual sludge under the action of the denitrifying bacteria; and the other part of NO2--N and ammonia nitrogen released in the hydrolytic acidification process are removed by an anaerobic ammonia oxidation reaction, thereby greatly reducing the concentration of total nitrogen in the effluent and finishing the reduction of the residual sludge simultaneously. The technology is suitable for advanced treatment of high-content ammonia and nitrogen for shortcut nitrification to discharge the effluent.

The present invention relates to an A2/O oxidation channel process synchronous nitrification and denitrification control method and its equipment, belonging to the field of domestic sewage biodenitrogenation technology. It is characterized by that said method includes the following steps: utilizing DO on-line monitoring apparatus to monitor the macroscopic aerobic-anoxic environment formed in oxidation channel aeration basin; utilizing ORP on-line monitoring apparatus to monitor the microscopic aerobic-anoxic environment formed in oxidation channel aeration basin; and utilizing computer to control frequency conversion air blower to control aeration quantity so as to ensure that the macroscopic and microscopic nitrification reaction and denitrification reaction can be simultaneously implemented.

The invention relates to a method and a device for recovery and purifying elemental sulfur from high-concentration sulfate wastewater. According to the invention, high-concentration sulfate wastewater is subjected to a biological desulfurization treatment; and recovery and purification upon elemental sulfur produced during the biological desulfurization process are realized with an extraction method. The device comprises sequentially connected components of: a wastewater storage tank, a microbial anaerobic reactor, a microbial aerobic reactor, an extraction tower and an extraction regeneration tower. With the method and the device provided by the invention, a problem of the difficulty in treating high-concentration sulfate wastewater can be effectively solved; and sulfur in the wastewater can be recovered with high efficiency. Therefore, a novel idea is provided for solving the problem of industrial sulfur-containing wastewater pollution.

The invention relates to an organic matrix fish and vegetable disjunctive symbiosis mixed planting and breeding system. The system comprises an aquatic breeding area, a matrix processing area and a planting area, wherein the aquatic breeding area comprises a fish pond, a multistage precipitation separation device and a nitration bed; breeding waste water in the fish pond enters the multistage precipitation separation device and is filtered; precipitated and separated solid organic matter enters the matrix processing area and is processed; filtered clear water enters the nitration bed for nitrating treatment; the clear water subjected to nitrating treatment of the nitration bed flows into the fish pond and the planting area; planting matrix produced in the matrix processing area enters the planting area; after the planting period is ended, waste planting matrix produced in the planting area is discharged into the matrix processing area again for treatment. By adopting the system, the yield and quality of plant cultivation are improved, the problems of too high nutrition concentration and salt enrichment of water in the aquatic breeding system are solved, the investment cost of nitration matrix is lowered, the construction cost of the fish and vegetable symbiosis system is lowered, and the sustainable developing aquatic breeding and planting production mode is realized.

The invention discloses a catalyst for preparing ethylene by ethanol dehydration and a preparation method thereof, belonging to the technical filed of biomass power source and catalyst preparation. The catalyst is SAPO-34 molecular sieve modified by metal Mn ions, namely Mn/SAPO-34; and the catalyst is prepared by using the Morpholine as template agent and then introducing the modified metal ions before the molecular sieve is crystallized by the direct synthesis method. The invention overcomes and solves the problems of high cost and shortage of petroleum fuel, so that the process energy consumption is reduced, and the problem that zymotic ethanol of biomass is low in concentration and difficult in post application is solved; the ethanol is high in transformation rate, high in selectivity and purity of ethylene, good in catalytic activity, uneasy in carbon accumulation and long in operating period; the obtained molecular sieve is big grain single crystals which can be directly used in the fluidized bed and have good wearing resistance and reduced pelleting step; the modified metal ions are introduced before the molecular sieve is crystallized by the direct synthesis method so that the activity stability is good and the modified ions are not easy to run off during the reaction process.

The invention relates to a method and a system for carrying out incineration on high N-S-based saliferous organic waste liquor and carrying out purification treatment on tail gas. The system comprises a waste liquor incineration system, a flue gas desulfurization/denitration system, a flue gas dedusting system, a waste heat recovery system and a flue gas washing system which are sequentially connected. High N-S-based organic waste liquor is oxidized in the state of high temperature; after being oxidized completely, the high N-S-based organic waste liquor is fed into a desulfurization/denitration reactor so as to carry out thorough purification on flue gas; then, the purified flue gas is subjected to waste heat recovery. In the invention, an operation of waste liquor incineration and an operation of flue gas purification are performed in a segmented mode, therefore, not only is an incineration temperature required by thoroughly decomposing organic constituents in waste liquor satisfied, but also a favorable condition is created for subsequent desulfurization/denitration reactions. By using the method and system provided by the invention, when waste liquor and waste gas are processed, a great deal of flue gas waste heat is recovered, and a byproduct saturated steam is handled, thereby effectively reducing the operating cost of the incinerator.

The invention discloses a method and a device for controlling synchronous nitration and denitrification in a surface aeration oxidation ditch process, and relates to the technical field of biological denitrification of domestic sewage. The conventional surface aeration oxidation ditch process has the problems that removal rate of total nitrogen is low, energy consumption is high, and environment of synchronous nitration and denitrification is hardly controlled. Dissolved oxygen (DO) and ammonia nitrogen at the water outlet of an oxidation ditch aeration basin are monitored by DO and ammonia nitrogen on-line monitors, the turn-on and turn-off of a reverse umbrella surface aerator and a water impeller are controlled by indication of an on-line instrument, organic matter in the aeration basin is oxidized by fully using nitrate nitrogen, excessive aeration is avoided simultaneously, and double aims of energy saving and high-efficiency denitrification are fulfilled.

The invention discloses an elliptical cladding polarization-maintaining large-mode-area gain fiber, which, in the structure, comprises a fiber core of the elliptical cladding polarization-maintaining large-mode-area gain fiber, an inner cladding layer, an elliptical stress layer, a first outer cladding layer, a second cladding layer and a third cladding layer, wherein the inner cladding layer coats the fiber core; the elliptical stress layer coats the inner cladding layer, and the elliptical stress layer is elliptical on the cross section of the elliptical cladding polarization-maintaining large-mode-area gain fiber; the first cladding layer coats the elliptical stress layer; the second cladding layer coats the first cladding layer; and the third cladding layer coats the second cladding layer. As birefringence of the elliptical cladding polarization-maintaining fiber is directly proportional to ellipticity, deposition of a polarization-maintaining stress region only needs to be additionally added during a rod forming process, steps such as drilling are not needed, unavoidable impurities can be prevented from being introduced in a fiber pre-form rod, loss of the fiber after wire drawing can be reduced, strength of the fiber is improved, the entire forming process has simple steps, and the birefringence and pump absorption of the fiber can be improved.

The invention discloses a method for co-producing high-concentration xylose and xylooligosaccharide by utilizing wood fiber raw materials. The method comprises the following steps: crushing wood fiber biomass and directly adding the crushed wood fiber biomass into a high-pressure reaction kettle, adding a furaldehyde/water mixed liquor with volume concentration being 10%-90%, carrying out solid-liquid separation on a reacted product, taking a supernatant water phase to further refine to obtain xylose and xylooligosaccharide; and distilling a non-water-phase part under reduced pressure for recycling furfural for cycle use. According to the method, by virtue of inhibiting and extracting effects of furaldehyde, wood fiber raw materials are hydrolyzed in a furfural two-phase system to prepare hemicellulose derived carbohydrate such as xylose and xylooligosaccharide, so that the concentration and the purity of the hemicellulose derived carbohydrate such as xylose and xylooligosaccharide are improved, and the problems of low concentration and low purity of hemicellulose derived carbohydrate such as xylose and xylooligosaccharide due to the fact that byproducts such as furaldehyde and formic acid are generated by excessively decomposing xylan by a hemicelluloses direct hydrolysis method are solved.

The invention relates to a sterilization control method and device. The sterilization control method comprises the following steps: acquiring environmental information; acquiring sterilization control information according to the environmental information; and controlling sterilization equipment to execute ozone sterilization operation according to the sterilization control information. Therefore, the problems that concentration of ozone in the environment is high and harm is done to human as ozone sterilization is adopted can be solved, the effects of determining an optimal sterilization scheme according the environmental condition and executing ozone sterilization operation according to the optimal sterilization scheme are achieved, the harm of ozone on human body also can be reduced while guaranteeing a good sterilization effect, and thus the sterilization control method and device are more environment-friendly.

The invention relates to a prediction method for PM2.5 concentration of fine particulate matters in air based on a stack selective integrated learning device. The concentration of six pollutants in the air per hour in the past 24 hours and six meteorological indexes totally account for 24 groups and 12 characteristics to serve as input, and a PM2.5 concentration predicted value is obtained. The model is realized in a three-stage framework and comprises the following steps of: firstly, creating a plurality of base learners by properly selecting environmental factors, time factors and training samples; secondly, deleting the negative basis learners in the three categories according to a dynamic threshold value by adopting a trimming technology; and finally, integrating the selected forward basis learners by adopting a stacking technology so as to predict the future PM2.5 concentration. Compared with an existing method, the method has the advantages that prediction errors and the difficulty degree of data sources are obviously improved, people can be guided to travel healthily, and the government can be assisted to limit automobile flow, exhaust emission and the like.

The invention provides micro-nano lignocellulose, a preparation method and applications thereof. The micro-nano lignocelluloses contain lignin structures; lignin is bonded with cellulose through hydrogen bonds and chemical bonds. The preparation method comprises following steps: a lignin containing cellulose raw material is dispersed in a hot urea aqueous solution so as to obtain a cellulose raw material dispersion liquid; mechanical pre-treatment is adopted for peeling and grinding so as to obtain a pre-treatment product; and the pre-treatment product is subjected to high pressure homogenizing using a high pressure homogenizer so as to obtain a micro-nano lignocelluloses dispersion liquid. According to the preparation method, removing of the lignin in the lignin containing cellulose raw material is not needed, the hot urea aqueous solution is combined with mechanical pre-treatment and high pressure homogenizing so as to prepare the product; the diameter of the obtained micro-nano lignocelluloses ranges from 5 to 180nm; the length/diameter ratio is 200 or larger; the lignin content ranges from 10 to 35wt%; micro-nano cellulose performance is improved; and the application prospect is promising.

The invention discloses a method and system for carrying out zero-emission treatment on high-chlorine desulfurization wastewater and promoting flue gas to be subjected to denitration and mercury removal. The method comprises the following steps: firstly, carrying out reverse refluxing concentration on the desulfurization wastewater and part of the flue gas; after pre-treating the wastewater, pumping the wastewater into a cathode chamber of an electrolysis system, so as to obtain alkaline slurry containing high-concentration chlorine ions; refluxing the alkaline slurry into a pre-treatment coagulation precipitation tank; enabling the high-concentration chlorine ions to penetrate though an anion exchange membrane to enter an anode chamber; electrolyzing in the anode chamber to generate chlorine gas and oxygen gas; after mixing the chlorine gas, the oxygen gas, anode electrolyte and air, conveying a mixture into a prepositioned SCO system to participate in oxidization of Hg<0> and part ofNO. According to the method disclosed by the invention, high-chlorine desulfurization wastewater treatment and the denitration and mercury removal of the flue gas are subjected to ectopic coupling, so that the zero-emission aim of the desulfurization wastewater is realized, the problem of Hg<0> pollution also can be solved through simultaneous oxidation and the content of NO2 in the flue gas is improved; denitration reaction of rapid SCR (Selective Catalytic Reduction) is promoted and simultaneous denitration and mercury removal of the flue gas are realized.

The invention discloses mass production of inactivated vaccine of porcine circovirus II (PCV2) and a preparation method thereof. The preparation method comprises the following technical steps: (1) high-density culture of cells for vaccine preparation; (2) reproduction of venom for vaccine preparation; and (3) addition of adjuvant to prepare the inactivated vaccine. Compared with the prior art, the invention has the advantages that the virus yield is high, the virus titer is high, the production scale is large, the yield of a single batch is high, the production cost is relatively low, the product quality is high and stable, the operation is convenient, the operation space is small, the technological parameters are controlled accurately and the like. The inactivated vaccine has high safety, can induce pig bodies to generate immune protection and fully satisfies the national biological product standards.

The invention discloses a method for producing coal-based natural gas through crushed coal pressurized gasification combined with water-coal slurry gasification. The problems of the equilibrium of block and slack coal and high-concentration phenolic wastewater in the process of producing coal-based natural gas through crushed coal pressurized gasification technology can be effectively solved. Block coal is used as raw materials for a crushed coal pressurized gasification furnace, slack coal is used as raw materials for a water-coal slurry gasification furnace and a project supporting boiler, and the equilibrium problem of the block and slack coal of a supporting coal mine is solved. After membrane separation is performed on waste water produced by crushed coal pressurized gasification, fresh water is recycled, and concentrated water is used as water-coal slurry gasification pulping water; through the high-temperature gasification process in the water-coal slurry gasification furnace, organic pollutants in the concentrated water are gasified and decomposed, crushed coal pressurized gasification technology sewage which is difficult to treat is converted into water-coal slurry gasification sewage which is easy to treat, and sewage treatment cost is greatly reduced.

The invention relates to the technical field of aluminum electrolysis, in particular to a composite anode of an aluminum electrolytic cell. In order to overcome the defect of the mode that raw materials are added into a liquid electrolyte in the electrolytic cell separately, according to the adopted technical scheme, filler is added to an aluminum frame with a built-in conductor, and the filler comprises the raw materials; the raw materials are aluminum oxides used for preparing metal aluminum or aluminum oxides and corresponding alloy element oxides or alloy element fluorides for preparing aluminum alloy; and the raw materials are directly added into the composite anode, the raw material adding modes and the raw material adding areas are increased, thus, the raw materials continuously andslowly enter and disperse in the large-area electrolyte area simultaneously, even under the low electrolysis temperature condition, the raw materials added in the liquid electrolyte can be rapidly and completely dissolved, less precipitation is generated at the furnace bottom, the low electrolysis temperature is adopted for operation, heat losses of the electrolytic cell can be reduced, the current efficiency is improved, the yield is increased, carbon consumption is reduced, energy consumption is reduced, and emission of fluorine-containing gas is reduced.

The invention provides a full-aqueous release coating for an electrochemical aluminum hot stamping foil and a preparation method of the coating. When a release coating in an alcohol-water system is inuse, because the volatilization of ethyl alcohol and demulsification of a wax emulsion cause the quality defects such as concentration rising, which affects the release tightness of a product, and the utilization rate of the release coating in the alcohol-water system is low, a large amount of waste is caused. The full-aqueous release coating is prepared from, by weight, 80-98 parts of purified water, 1-5 parts of an aqueous polyurethane emulsion, 0.1-1 part of an aqueous acrylic emulsion, 0.1-1 part of a polyurethane crosslinking agent, 1-5 parts of an aqueous wax emulsion, 0.1-0.5 part of awetting agent and 0.1-1 part of a defoaming agent. The release coating improves the water resistance, solvent resistance, temperature resistance and mechanical properties of coating film; the recoating performance of the release coating is good, and coating requirements of subsequent colored layer coating can be met; the release effect is excellent, a hot stamping layer is transferred completely,and the release tightness is adjusted by adjusting the addition amount of a release agent.

The invention discloses a centrifugal extracting method for preparing ammonium tungstate solution from soda leach liquor of tungsten contained material. The method takes the trialkyl methyl ammonium carbonate as extractant containing tungsten materials directly from the leaching solution of soda extraction tungsten; then the impurities of phosphorus, arsenic, silicon, such as stripping more than stay in solution with separation of tungsten, tungsten negative organic phase after washing with detergent as ammonium bicarbonate and ammonium carbonate extraction of the mixed solution to obtain high-purity tungsten perchlorate solution, anti-organic phase after extraction with sodium hydroxide solution using renewable, recycled back to the organic phase after extraction, extraction, extraction operations are carried out the centrifugal extractor. The invention achieves the invention sodium perchlorate solution to the transformation of tungsten, and the invention removes the phosphorus, arsenic, silicon and other impurities, stripping more than the use of liquid can be returned to leaching. The extraction and anti-extraction process of the invention has a fastseparation, short process, and small chemical reagent consumption, waste water emissions from small, easy to achieve industrialization.

Disclosed are a receptor-mediated quantum dot tracing targeted drug delivery system, a preparation method thereof and application. The targeted drug delivery system comprises polyethylene glycol, hyaluronic acid, quantum dots and melphalan complex which are abbreviated as PEG-HA-QDs-MEL. The PEG is connected with HA amide in a dewatered and condensed manner, the water-soluble CdTe/CdS quantum dots are connected into the HA, and finally, the PEG, the HA and the QDs are prepared with the MEL complex to obtain the targeted drug delivery system. The component content of the PEG-HA-QDs-MEL includes, by weight, 30-100 parts of the MEL, 600-1500 parts of the PEG, 200-500 parts of the HA, 5-50 parts of the CdTe/CdS quantum dots, 20-50 parts of DCC (dicyclohexylcarbodiimide), 1-10 parts of DMAP (dimethylamino-pyridine), 100-500 parts of succinic anhydride, 20-50 parts of NHS, 20-50 parts of EDC (carbodiimide) and 10-100 parts of sodium bisulfite. The targeted drug delivery system is applied to preparing antitumor drugs.

The invention provides a flotation column system and method for storing high-concentration pulp. The system mainly comprises a feeding pipeline, an upper flotation column, a lower flotation column, a returning pipeline, a scavenging pulp circulating pipeline and a tailings box. The method comprises the following steps: connecting the upper flotation column and the lower flotation column in series by a staggering manner; pumping in the pulp through a feeding pump; performing flow mineralization through a generation pipe of an upper bubble generator; enabling the material that has relatively high flotation to be preferably floated in the upper flotation column and discharged through a concentrate bin; feeding the materials that are not sorted timely into the lower flotation column for further storing through the returning pipeline under the control of a peristaltic pump. According to the flotation column system and method for storing the high-concentration pulp, the material with high flotation is pre-floated through the upper flotation column in order to lower down the concentration of the pulp entering the lower flotation column, and thus the effects of pre-sorting by the upper flotation column and highly storing by the lower flotation column is realized, sectional floating and sorting are realized, and as a result, the technical problem that the high-concentration pulp flotation clean coal quality and clean coal recovery rate cannot be ensured at the same time can be solved, and thus the phenomena of pollution of the clean coal and running of tailings are greatly reduced.

The invention provides a selective catalytic reduction denitration method for flue gas, wherein the method comprises the following technological steps: feeding flue gas to be treated into a selectivecatalytic denitration device; taking carbon monoxide in the flue gas as a reductant, and under the action of a catalyst, carrying out redox reaction with nitrogen oxides in the flue gas; reducing thenitrogen oxides in the flue gas into nitrogen gas, and oxidizing carbon monoxide into carbon dioxide, and outputting carbon dioxide from an outlet of the denitration device. According to the selectivecatalytic reduction denitration method of the flue gas, carbon monoxide contained in the flue gas itself is used as the reductant, and undergoes reaction with the nitrogen oxides in the flue gas under the action of the catalyst, and the emission of carbon monoxide is significantly reduced while the nitrogen oxides are reduced. Not only does the problem of ammonia escape not exist, but also the problems of secondary pollution and downstream corrosion caused by ammonia escape can be solved.

The invention discloses novel sludge coal-water slurry and a preparation method thereof. The method comprises the following steps: (1) mixing civil sludge and a sludge modifier to obtain a mixture, and adding water into the mixture to obtain mixed liquor, wherein the mass of the mixed liquor is twice that of the mixture; (2) inputting the mixed liquor into a fluid shock wave treatment device, and performing high-pressure treatment to obtain modified sludge; (3) crushing raw material coal into coal dust with particle sizes of smaller than 3mm, delivering the coal dust and the modified sludge to a grinding machine, adding a dispersing agent, and grinding to obtain the sludge coal-water slurry. According to the novel sludge coal-water slurry and the preparation method thereof, alkaline papermaking black liquid is used for modifying the sludge, and in other words, waste is treated by waste, and alkaline substances in the black liquid are fully utilized, so that a chemical raw material serving as a modifying agent is saved; in addition, lignin in the black liquid can be used as a water-coal slurry additive, and can partially or completely replace the water-coal slurry additive, so that the cost of a pulping additive is lowered.

The invention discloses a method for removing gaseous mercury in flue gas through catalytic oxidation of a cobalt sulfide/biomass carbon composite material, which can purify mercury in flue gas of different compositions by converting gas-phase elementary mercury in mercury-containing flue gas through catalytic oxidation of the cobalt sulfide/biomass carbon composite material. The method can realize high-efficiency conversion of elemental mercury under the conditions of high SO2 concentration and low hydrogen chloride concentration, and solves the problem that a traditional mercury removal catalyst is likely to deactivate under high concentration SO2 and relies on HCl; especially, the cobalt sulfide/biomass carbon composite material still has a good mercury removal effect to flue gas containing NO, NH3 and water vapor, exhibits good ammonia and water resistance, and is suitable for treating flue gas with various atmospheric components.

The invention relates to the technical field of monitoring, in particular to a liquid volume monitoring device and monitoring method. The liquid volume monitoring device comprises an external corrector, and a liquid volume monitor is in communication connection with the external corrector; the liquid volume monitor comprises a first cover body and a second cover body which cover each other, a circuit board is arranged between the first cover body and the second cover body, the circuit board and the second cover body bond closely to form a closed air chamber, and an air vent is formed in the first cover body; a first detecting device and a second detecting device are arranged on the circuit board, and a third detecting device used for detecting the liquid volume flows out of a medical kit is arranged on the external corrector; a processor used for processing detection numerical values of the liquid volume monitoring device is arranged on the circuit board. According to the liquid volume monitoring device, through the intensity of pressure of the closed air chamber detected by the first detecting device and the ambient atmosphere detected by the second detecting device, liquid level information of the medical kit can be obtained through the difference value between the intensity of pressure of the closed air chamber and the ambient atmosphere.

The invention discloses an online hydrogen production method and equipment with methanol oxidation and steam reforming segmental combined. The method includes the steps that methanol oxidation reforming and steam catalytic reforming are segmentally combined, the first segment is methanol plasma oxidation reforming reaction, released heat serves as a heat source of steam catalytic reforming in the second segment, external heat supply is not needed, and the equipment is simple in structure. The problems that in existing conventional catalysis technology, reaction starting is slow, the output rate is small, cost is high, and a catalyst is deactivated are solved. The method has the advantages that reaction starting is fast, the output rate is large and cost is low, is suitable for producing hydrogen online for fuel cells and is particularly suitable for producing hydrogen online for fuel cells in vehicles, ships and other transportation means.