13 results about "High carbon" patented technology

This invention relates to a method for the simultaneous capture of carbon and phosphorus in wastewater. It addresses the problems of high aeration energy consumption, long hydraulic retention time, low phosphorus removal rate, and high carbon, ammonia, and phosphorus levels in existing wastewater treatment processes. The method utilizes the aerobic phosphorus absorption characteristics of microorganisms, employing tightly bound EPS (extracellular polymeric substances) to rapidly store and release phosphorus, capturing it in the sludge phase. This simultaneously and rapidly reduces COD and total phosphorus in the wastewater to low levels, achieving a COD removal rate of over 70%. Furthermore, the proportion of carbon captured and converted into the sludge phase reaches 30%–37%, while the proportion of organic matter oxidized to CO2 is only 22%–31%, resulting in an effective phosphorus capture rate of 70%–75%, achieving highly efficient capture and removal of both phosphorus and organic matter. Simultaneously, for effluent treatment with irrigation potential, the method achieves phosphorus capture ratio control based on efficient carbon capture, thereby obtaining effluent with low COD concentration and dynamically adjustable nitrogen-to-phosphorus ratio to meet target irrigation needs.

A high-carbon hot-rolled steel sheet and a method for manufacturing the high-carbon hot-rolled steel sheet are provided. The present invention is a high-carbon hot-rolled steel sheet having a particular chemical composition. The microstructure of the steel sheet includes ferrite, cementite, and pearlite that accounts for 6.5% or less of the entire microstructure by area fraction. Regarding the cementite, the proportion of the number of cementite grains having an equivalent circle diameter of 0.1 µm or less to the total number of cementite grains is 20% or less, the average cementite grain size is 2.5 µm or less, and the cementite accounts for 3.5% or more and 10.0% or less of the entire microstructure by area fraction. The average concentration of solute B in a region extending from a surface layer to a depth of 100 µm is 10 mass ppm or more. The average concentration of N present as AlN in the region extending from the surface layer to the depth of 100 µm is 70 mass ppm or less.

The invention relates to the technical field of air handling units, and aims to solve the technical problems that air carbon capture energy consumption is high, and no corresponding technical scheme exists in a building energy consumption system. In order to solve the technical problem, the invention provides the carbon dioxide capturing device for the air handling unit. An air inlet and an air outlet are formed in the two ends of a box body; the fan is arranged in the box body and is close to the air inlet; the capturing assembly is arranged in the box body and is close to the air outlet; the capturing assembly comprises a shell and a plurality of capturing parts; the exhaust port is communicated with the air outlet; the plurality of capturing parts are sequentially arranged in the shell from top to bottom; a solvent tank of the capturing part is arranged close to the air inlet, and a solvent is arranged in the solvent tank; the filler is arranged in the reaction section and is positioned in the solvent tank; and the gas-liquid mixing piece is arranged on the gas-liquid mixing section and is arranged in the solvent tank. According to the invention, the energy consumption is lower, the higher carbon capture efficiency can be achieved, and other harmful substances in the air can be further treated.

The application discloses a high-carbon alcohol waste lye resource treatment method, and belongs to the technical field of waste lye treatment. The method comprises the following steps: water quality homogenization of the waste lye; acidification treatment of the homogenized waste lye by adding waste acid liquid; separation of organic phase and water phase of the waste lye in a chromatograph; ultraviolet light catalytic oxidation treatment of the organic phase; and delivery of the treated organic phase to a sewage treatment system as an additional carbon source. The waste lye treated by the method has significantly enhanced biodegradability; meanwhile, a new type of carbon source is obtained, which can be used in the AO process of the sewage treatment system, and compared with traditional additional carbon sources such as acetic acid and sodium acetate, can more effectively promote the denitrification of microorganisms, has better effluent water quality, has stronger denitrification effect, reduces the cost of three agents of the sewage field, realizes the resource utilization of the waste lye, and has certain economic benefits.

The invention relates to a selective desulfurization absorbent, system and process for blast furnace gas with a high carbon-sulfur ratio. The absorbent comprises a main agent and an additional additive accounting for 0.01-0.8% of the total mass of the main agent, the main agent comprises the following components in percentage by mass: 5-15% of an alcohol amine absorbent, 30-50% of a physical solvent, 25-45% of a catalytic promoter and the balance of water; wherein the physical solvent contains a sulfur-containing functional group or an ether-containing functional group; the catalytic promoter comprises a sterically hindered amine or a cyclic amine. According to the invention, the alkylol amine absorbent with stable performance is matched with the physical solvent with similar compatibility characteristics and the catalytic promoter with steric hindrance effect, and efficient dissolution, intraphase mass transfer and transfer hydrolysis of organic sulfur are remarkably promoted through a steric hindrance effect-group synergy action mechanism; a synergistic reaction path of dissolution-transfer-catalytic hydrolysis-chemical absorption is formed, so that the effects of selectively and highly desulfurizing and reducing the co-absorption amount of carbon are achieved, and the energy consumption of a subsequent process is favorably reduced.

The invention relates to the technical field of data processing, in particular to a high-carbon-nitrogen-ratio pollutant full-cycle treatment process evaluation method and system, and the method comprises the steps: building a multi-objective optimization model; monitoring an environmental load contribution rate through real-time life cycle list data, and dynamically determining an environmental index weight; coupling operation parameters influencing upstream and downstream unit load balance are determined as model input; solving the model by adopting a hotspot sensing particle swarm optimization algorithm, wherein the algorithm introduces a dynamic penalty term related to an environment index weight and a contribution rate into a fitness function; and generating an operation strategy decision report according to the optimal solution set. According to the method, the defects of static state and low efficiency of the existing evaluation model are overcome, the real-time balance of the environmental and economic targets and the rapid generation of the operation strategy are realized, and the perception capability and the real-time guidance value of the evaluation method to the environmental risk are obviously enhanced. The method is suitable for guiding operation scheduling and parameter optimization of a high-carbon-nitrogen-ratio pollutant treatment process.

Provided are a bacterium having a high carbon yield of carbon dioxide and a metabolic enzyme gene-disrupted strain of the bacterium. Also provided is a method for isolating carbon dioxide from bacteria having a high carbon yield. Also provided are a method for producing, culturing, and using a metabolic enzyme gene-destroyed strain of the bacterium. According to the present invention, by disrupting a gene encoding an enzyme capable of generating a metabolic reaction of carbon dioxide in a bacterium having a high carbon yield of carbon dioxide, for example, the environmental burden caused by the culture of the bacterium can be reduced and / or the bacterium can be changed to a state more suitable for the production of a substance.

The application belongs to the technical field of magnetic separation control, and specifically discloses a high-carbon ferrochrome tailing multi-stage crushing and recovery magnetic separation control method. The method realizes forward control of nodes by linking multi-stage crushing and multi-stage magnetic separation processes. Specifically, the method comprises the following steps: judging the change requirement of each stage of crushing process based on the real-time index of the magnetic separation process; dynamically setting the discharge particle size reference range for the process with the change requirement; judging whether to trigger the crushing equipment adjustment by comparing the real-time discharge particle size with the reference range; when the tailing grade shows an abnormal upward trend, further determining the abnormal responsibility subject based on the real-time feed grade. Finally, according to the classified disposal of the responsibility subject, the application effectively changes the after-the-fact remedy into the before-the-fact prevention, significantly reduces the metal loss risk, improves the resource recovery efficiency and the stability of the control effect, and improves the overall control efficiency and control effect of the complex working condition.

The method comprises the following steps: S1, putting a reaction solution into a high-voltage electrode reaction kettle in which air is exhausted, filling carbon dioxide gas, and sealing the high-voltage electrode reaction kettle; s2, setting the initial voltage, frequency and duty ratio of a direct-current pulse power supply, starting a reaction, and adjusting the voltage in the reaction process to maintain stable discharge plasma until the system reaches a supercritical state; s3, in the supercritical state, continuously adjusting the voltage to maintain the target temperature or the target pressure intensity, then setting the target time, and stopping the reaction after the reaction reaches the target time; and S4, after the high-voltage electrode reaction kettle is cooled, collecting a product, performing analysis and detection, adjusting reaction parameters based on an analysis and detection result, repeating the steps S1 to S4, and optimizing reaction conditions. According to the method, directional conversion of carbon dioxide to high-value alcohol compounds can be realized, the selectivity of a main product is remarkably improved, and a novel and reliable means is provided for directional synthesis of high-carbon chain hydrocarbon alcohol.

This invention provides processes and systems for converting biomass into high carbon biogenic reagents that are suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects.

Providing a process and system for converting biomass into high-carbon bioreagents suitable for a variety of commercial applications. Some embodiments employ pyrolysis in the presence of an inert gas to produce hot pyrolysis solids, condensable vapors, and non-condensable gases, followed by separation of the vapors and gases and cooling of the hot pyrolysis solids in the presence of an inert gas. Additives may be introduced during the process or combined with the reagent, or both. The bioreagent may contain at least 70 wt%, 80 wt%, 90 wt%, 95 wt%, or more total carbon on an anhydrous basis. The bioreagent may have an energy content of at least 12,000 Btu / lb, 13,000 Btu / lb, 14,000 Btu / lb, or 14,500 Btu / lb on an anhydrous basis. The bioreagent may be formed into a powder or structure.

The invention relates to the technical field of buildings, in particular to a carbon sequestration concrete filled steel tube reinforced mixed structure and a preparation process thereof, which can obviously improve the strength and stability of the structure and enhance the bearing capacity and deformation resistance of the structure. The durability of the structure is effectively improved, the invasion speed of water and harmful substances is reduced, and the carbonization resistance, freezing and thawing resistance and chemical corrosion resistance are improved; good environment-friendly performance is achieved, carbon dioxide is absorbed and fixed through the carbon fixing material, and carbon emission is reduced; construction is convenient, steps are clear, operation is easy, and application and popularization are easy; and various parameters can be flexibly adjusted according to engineering requirements, different design requirements are met, and high engineering adaptability and flexibility are achieved. Therefore, the problems of high carbon emission and insufficient mechanical properties in the prior art are solved.