56 results about "Blue carbon" patented technology

The invention discloses a photobleaching-resisting carbon dot with the continuous golgi apparatus target imaging capability and a preparation method thereof. The preparation method comprises the steps that a small carbon dot skeleton is prepared from citric acid through pyrolysis and condensation at high temperature at first, and then the carbon dot skeleton and L-cysteine are in condensation to form a carbon dot. The surface of the carbon dot has a large number of cysteine residues. According to the carbon dot with the high blue-fluorescence intensity and the continuous golgi apparatus target imaging capability, tedious follow-up modification steps needed by conventional methods are avoided. The absolute quantum yield of the blue carbon dot obtained through the preparation method reaches up to 68%. The blue carbon dot has the good photobleaching resistance and biocompatibility, and brings more accurate help to cell process detection, disease diagnosis and the like.

The invention relates to a preparation technology of a lithium ion battery cathode material, and in particular relates to a lithium ion battery cathode material prepared by blue carbon solid waste through a certain treatment technology. The preparation process mainly comprises pretreatment of raw materials, catalyst doping treatment, high-temperature graphitization treatment and the like. After being treated by the preparation method provided by the invention, the maximum discharge capacity of blue carbon reaches 346mAh.g<-1>, and the coulomb efficiency is 80%; and after circulation is carried out for 320 times, the capacity is maintained to be 316mAh.g<-1>, and the capacity maintenance rate is 91%.

The invention relates to a raw material processing technology for smelting ferrosilicon in a submerged arc furnace, which belongs to the technical field of ferroalloy production, raw materials mainly comprise silica containing 93-99% of silicon dioxide, blue carbon containing 80-84% of fixed carbon and iron oxide scale containing more than 70% of ferric oxide, the raw materials are respectively ground into flour with the particle size of not more than 0.063mm and mixed with silicon micro-powder containing more than 70% of silicon dioxide according to the following weight percentage: the silica powder accounts for 45-55%, the blue carbon powder accounts for 25-35%, the iron oxide scale powder accounts for 10-20% and the silicon micro-powder accounts for 3-5%, the mixture is weighed, then stirred and pressed into a blank, the forming pressure of the blank is 1.2-2.0Mp / cm2, the size can be decided according to the furnace type, the blank needs to be dried before entering into the furnace, the water content is less than 3%, and the use of the raw material processing technology can save the electricity for smelting by 20-30%, and save the blue carbon by 15%-25%. The raw material processing technology has the characteristics of simple technology, significantly shortened smelting time, high efficiency, small pollution, significant energy-saving effect and good economic benefits and social benefits.

The invention discloses a technological method and device for semi-coke production wastewater resource utilization. The technological method comprises three steps, namely deep oil-water separation, high-efficiency complexing extraction dephenolization and ammonia stilling, to be specific, firstly, separating and recycling a part of coal tar from wastewater when the wastewater passes through an oil partitioning tank, recycling coal tar in a precision filter and an oil-water separator in sequence after discharged water passes through a coarse filter; feeding the oil-removed semi-coke wastewater and an extraction agent into an extraction tower for extraction and dephenolization, feeding the extract phase and a sodium hydroxide solution into a reverse extraction tower for countercurrent contact reverse extraction, feeding an obtained sodium phenolate solution into an acidification kettle, and adding sulfuric acid for acidification to obtain crude phenol; feeding dephenolized wastewater discharged from the bottom of the extraction tower into a wastewater heater, feeding into an ammonia cyanogen separator to be mixed with hot air from an air heater to remove ammonia after being heated by fume from the air heater, and feeding an ammonia-containing mixed gas discharged from the top of the ammonia-cyanogen separator into an ammonia water cooler for cooling to obtain ammonia water. By adopting the method and the device, precious resources such as coal tar, phenol and ammonia can be recycled from the semi-coke production wastewater resource, and the biodegradability of the semi-coke wastewater is improved.

The invention relates to the field of non-metallic ore sintering shaft kilns, in particular to a multifunctional environmentally-friendly BSK sintering technology shaft kiln and a use method of the shaft kiln. The shaft kiln comprises an inner sleeve ring cooler, an inner sleeve ring tray, an inner sleeve ring, an outer sleeve ring, a kiln shell, a cooling wind feeding fire bridge, a hot air discharging fire bridge, combustion product feeding fire bridges, combustors with combustion channels and a ring type gravity gas-powder separator. New sintering kiln design thoughts includes that a combustion and heat transfer process analysis separation technology is adopted; a heating bridge technology is adopted for sintering in the kiln; a ring type material channel technology is adopted for all segments in the kiln; and a boiling fluidization technology is adopted for the cooling segment in the kiln. According to the multifunctional environmentally-friendly BSK sintering technology shaft kiln, the particle size application range of a non-metallic ore sintering material is wide, product quality is good, the yield is high, and energy conservation and environment protection are achieved; andthe problems of the product output, quality, energy consumption and environment protection of products produced by the sintering industry of non-metal ores such as limestone, magnesite, light calciumcarbonate, dolomite, kaolin and blue carbon can be solved.

The invention discloses a method for treating semi-coke wastewater. The pretreatment stage includes: the production wastewater is separated from oil and water through an oil-separating sedimentation tank, and then enters a regulating tank; Finally, the production wastewater enters the first intermediate pool; the production wastewater in the first intermediate pool is pumped to the filter system for filtration, the filtered filtrate enters the phenol extraction system, and the wastewater after extraction and dephenolization is pumped into the ammonia stripping tower to remove large Part of the free ammonia; the biochemical treatment stage includes: after the ammonia stripping tower removes most of the ammonia nitrogen, the production wastewater enters the hydrolysis and acidification tank after passing through the comprehensive adjustment tank, and the wastewater from the hydrolysis and acidification tank enters the HABR composite anaerobic baffle Reactor; then enter the A / O treatment system, add powdered activated carbon to the aerobic tank in the A / O treatment system, the wastewater comes out of the A / O treatment system and enters the sedimentation tank, and then passes through the third intermediate pool, aerated organisms Discharge up to the standard after the filter. The system is simple, low in cost, and can meet emission standards.

The invention relates to a blue carbon powder and its manufacturing method. It is made by mixing 75-98 parts resin, 1-10 parts polyacrylic wax or polyethylene wax, 1-1. 5 yellow pigment, 0.5-10 electric charge regulator, 0.1-1 part earth silicon, through extruding, coarse crushing and fine crushing. Matching blue carbon powders with black, red and blue ones, it can simplify printing process, improve working efficiency, and reduce printing cost, applicable for long time preservation of archives.

The invention discloses a blue carbon tail gas cooling and purification system, which comprises a spray tower, a spiral forced-fall dehumidifier and a return water cooling pool; As a whole, when the gas is in contact with water, the impurities in the gas (such as sulfide) dissolve in the water to play the role of desulfurization, and the particulate matter is removed by the water, which plays a washing role. Discharge; in the spiral forced landing dehumidifier, the water is discharged under gravity and forced landing inertia, and the spray tower and spiral forced landing dehumidifier can also play a role in surface cooling; in the return water cooling pool, the water is in the gravity and cooling layer, The cooling effect is achieved; the water, sulfide and impurities in the treated exhaust gas are fully removed by the water, the calorific value of the gas is increased, the consumption of the gas is reduced, and the amount of sewage is reduced at the same time.

The invention relates to a semi-coke floating separation and processing upgrading method. The method includes: crushing semi-coke to allow the granularity of the same to be lower than 5mm, and performing size mixing, chemical feeding and a floating experiment in a 1.5L single-trough floating machine. The floating experiment specifically includes: size mixing, adding certain amount of surface modifier to modify the surface of semi-coke powder, stirring for a period of time to allow sufficient reaction of the surface modifier and the semi-coke particles, adding collecting agent, stirring for a period of time to allow the semi-coke particles to be collected by the collecting agent, adding foaming agent, and inflating for floating separation after the chemical reacts with the semi-coke particles for a period of time. The method has the advantages that the surface modifier triton X-100 is added to modify the surface properties and the semi-coke particles during floating separation, the floating separation effect is improved, and semi-coke products with high yield and low ash content can be obtained. In addition, the whole operation process is simple, high in operability, and easily applicable to actual production.

The invention discloses a semi-coke waste water treatment system and technology. The system comprises an accident pool (1), a physical and chemical treatment system (2), a biological treatment system (3) and a deep treatment system (4) which are communicated in sequence. The accident pool (1) is connected with the physical and chemical treatment system (2) through a regulating pool (5), the physical and chemical treatment system (2) and the biological treatment system (3) are connected through a water storage pool (6), and the biological treatment system (3) is connected with the deep treatment system (4). The technology comprises the steps of physical and chemical treatment, biological treatment and deep treatment. The treatment effect is obvious, effluent meets the standard, and the whole system and the technology process are high in controllability, low in implementation cost and suitable for application and popularization.

The invention relates to a semi coke dewatering device and method. The semi coke dewatering device comprises a fan. The outlet of the fan is connected with an air inlet in the bottom of a vertical cylindrical dryer through a pipeline. A feed inlet is formed in the top of the cylindrical dryer. A discharge outlet is formed in the bottom of the cylindrical dryer. A plurality of air inlets are further formed in the lateral wall of the cylindrical dryer. An air outlet pipe is arranged at the top of the cylindrical dryer. Due to the fact that the cylindrical dryer is vertical, feeding is performed from the upper end, discharging is performed from the lower end, semi coke materials in the cylindrical dryer has no relative displacement, no friction and collision exist among semi coke particles, the semi coke particles do not collide with the dryer body, powder is not generated, and loss caused by the fact that a large amount of powder is generated during semi coke drying is avoided. The semi coke materials in the cylindrical dryer can stay for a long time, the staying time can be controlled optionally, and semi coke contained water can be dried by using low-temperature hot air at the temperature above 150 DEG C.

The invention relates to a method for preparing liquefied natural gas from semi-coke tail gas. The method includes: firstly, after decoking and benzene and naphthalene removal of semi-coke tail gas, and sending to a rectisol unit for purification and desulfurization; then, mixing the desulfurized semi-coke tail gas with high-methane gas, jointly sending into a methanation unit for methanation to obtain a crude methane gas product, sending into the rectisol unit for purification and decarbonization; finally, performing cryogenic separation to remove nitrogen to obtain liquefied natural gas. Compared with the prior art, the method has advantages that by semi-coke tail gas treatment through the rectisol unit and the methanation unit, circulation absorbing agent consumption is sharply reduced,and energy consumption and system CH4 loss in a decarbonization process are reduced; in addition, by adoption of recovered CH4-rich gas and injection of water and / or system self-produced water vaporinto the methanation unit, methanation reaction temperature rise can be controlled so as to guarantee a methanation process against temperature runaway; moreover, heat balance of a whole system can beeffectively realized in the whole process, and economy in preparation of LNG (liquefied natural gas) from the semi-coke tail gas is improved.

A process method for treating semi-coke wastewater, the process method comprising the following steps: 1) deamination, using a deammonization tower to remove ammonia nitrogen in the raw material semi-coke wastewater to obtain deammonia wastewater; 2) extraction, using an extractant to process Step 2) The deamination wastewater obtained from the treatment is subjected to countercurrent extraction in the extraction tower, and the extraction phase and the raffinate phase are respectively obtained after the extraction is completed; 3) The phenol oil is recovered, and the extraction phase obtained in step 2) is carried out in the phenol oil recovery tower. Negative pressure rectification, the extractant extracted from the top of the tower is condensed and separated to obtain the recovered extractant, the product phenol oil is extracted from the tower reactor, 4) the extractant is recovered, and the raffinate phase obtained in step 2) is carried out in the solvent recovery tower Rectification, the top fraction is condensed and phase-separated, and the organic phase is used as the recovered extraction agent, the water phase is refluxed, and the liquid in the bottom of the tower is taken out as treated purified water and sent to the subsequent process.