12results about How to "Improve carbon sequestration efficiency" patented technology

The invention relates to the technical field of flue gas treatment, in particular to a carbon capture and storage system and a carbon capture and storage method.The carbon capture and storage system comprises a waste gas absorption unit, an amine liquid circulation unit, a carbon dioxide gas salinization unit and a carbon sequestration unit which are communicated in sequence; the system further comprises a limestone slurry pulping and filling unit; and the limestone slurry pulping and filling unit is communicated with the carbon dioxide gas salinization unit. The carbon capture and storage method is a brand-new organic amine decarburization and permanent carbon sequestration method provided on the basis of the principle of enhancing rock weathering; compared with a traditional carbon sequestration method that carbon dioxide is transported through compression and liquefaction and stored in an underground salt water layer, the method has the advantages that the carbon capturing and storing process is short, high-pressure and low-temperature high-energy-consumption equipment does not need to be used, the captured carbon dioxide gas does not need to be stored and transported at low temperature, energy consumption can be reduced, the carbon sequestration cost is saved, and the carbon sequestration efficiency is improved. The carbon dioxide escape phenomenon in the storage and transportation process can be avoided, and the carbon sequestration efficiency is improved.

The utility model relates to the technical field of bricks, and discloses a light carbon fixation hollow brick which comprises a rectangular brick body, and the brick body comprises a top surface and a bottom surface which are arranged back to back; the top face and the bottom face are each provided with two first profiled grooves which are symmetrically formed in the front-back direction and two second profiled grooves which are symmetrically formed in the left-right direction. The two first profiled grooves in the top surface and the two first profiled grooves in the bottom surface are symmetrically arranged up and down, and the two second profiled grooves in the top surface and the two second profiled grooves in the bottom surface are symmetrically arranged up and down. The first profiled groove and the second profiled groove are similar in structure but not consistent in size. The first groove and the second groove are formed in the surface of the brick, so that the absorption contact area of carbon dioxide during carbon sequestration can be increased, meanwhile, the wall thickness is reduced, the brick can fully react with the carbon dioxide, and the carbon sequestration efficiency and the carbon sequestration amount can be effectively improved.

The invention relates to a rainwater collection treatment and carbon sequestration system and an arrangement method thereof, and relates to the field of rainwater pollutant purification, and the rainwater collection treatment device integrates a seaweed carbon sequestration function, so that the rainwater collection treatment and carbon sequestration system has dual functions of rainwater collection and purification and carbon sequestration. Sufficient leisure space is reserved at the bottom of the bionic starfish of the system, urban water storage and quality improvement of public leisure space are integrated, and the system is a complex which has development and application potential and has landscape leisure, rainwater collection, rainwater purification and carbon sequestration and emission reduction functions.

The present invention discloses the use of a jasmonic acid inhibitor DIECA in promoting the growth and development of plant seedlings, and belongs to the technical field of plant growth promotion. The present invention uses the jasmonic acid inhibitor DIECA as a plant inducer to effectively improve the plant height, stem thickness, leaf area, and growth and development of tomato seedlings, and can increase the content of photosynthetic pigments in the leaves, as well as photosynthetic parameters such as the net photosynthetic rate, greatly improve the photosynthesis of tomato seedlings, and promote growth and development. DIECA treatment increases the stomatal conductance of tomato seedling leaves, increases the intercellular carbon dioxide content, thereby increasing the carbon fixation efficiency of the leaves, and increasing the net photosynthetic rate of the leaves; spraying DIECA promotes the accumulation of photosynthetic pigments, increases Fv / Fm, that is, increases the primary light energy conversion efficiency of photosystem II (PSII), thereby enhancing photosynthesis, and further improving the photosynthesis of the leaves.

The utility model relates to the technical field of material science, in particular to a carbon sequestration system. The carbon sequestration system comprises a feeding assembly, a first reactor, a second reactor and carbon supply equipment, the feeding assembly is used for providing steel slag powder, the first reactor is connected to the downstream side of the feeding assembly and used for receiving the steel slag powder conveyed by the feeding assembly, and the second reactor is connected to the downstream side of the first reactor and used for receiving the steel slag powder conveyed by the feeding assembly. The second reactor is connected with the first reactor and used for receiving the steel slag powder conveyed by the first reactor, the carbon supply equipment is connected with the first reactor and used for conveying carbon dioxide-containing flue gas to the first reactor, so that the steel slag powder in the first reactor and carbon dioxide in the carbon dioxide-containing flue gas are subjected to primary carbonation reaction, and the carbon supply equipment is connected with the second reactor and used for conveying carbon dioxide in the second reactor. And the second reactor is used for conveying carbon dioxide-containing flue gas to the second reactor, so that the steel slag powder in the second reactor and carbon dioxide in the carbon dioxide-containing flue gas are subjected to secondary carbonation reaction. The carbonation efficiency of the steel slag powder in the carbon sequestration system is high, and the carbon sequestration rate is high.

The invention provides a strain for converting CO2 into a single-cell protein and a method for electrosynthesizing the single-cell protein by using a strain microorganism, and belongs to the technical field of microorganism and green biosynthesis. The preservation number of the strain is CCTCC (China Center For Type Culture Collection) NO: M20232317, and the strain can grow by using CO2 as a unique carbon source and can be used for microbial electrosynthesis of single-cell protein; the invention further relates to an adjustable single-chamber microbial electrosynthesis amplification reactor, the conductive baffle is added between the two electrodes, interference of active oxygen is reduced, the efficiency of a carbon sequestration reaction is improved, the production rate and the protein content of single-cell protein are remarkably improved, the amino acid content of the obtained single-cell protein is kept to be 30% or above, and the yield of the single-cell protein is increased. The concentration of the fructan as an added-value product is about 0.42 mM, and the method has good practicability.

The invention relates to the technical field of carbon neutralization, in particular to a carbon neutralization emission management system based on building construction, which comprises a carbon emission management module used for calculating the carbon emission of building raw materials, a construction management module used for calculating the carbon emission of construction equipment, a summarizing module used for calculating the total carbon emission of a current building, and a setting module. Comprising a calculation unit and a carbon sequestration unit which are connected with each other, the calculation unit is used for calculating a carbon emission index of a current building and outputting a comparison result of the carbon emission index and a preset carbon emission comparison index to the carbon sequestration unit, and when a carbon sequestration mode is determined as greening carbon sequestration, the carbon sequestration unit calculates a greening speed determination parameter to determine a greening speed, when the carbon sequestration mode is determined to be reaction carbon sequestration, the carbon sequestration unit calculates a reaction rate determination parameter to determine the carbon neutralization reaction rate. According to the invention, the carbon neutralization efficiency of the construction building is improved.

The present application relates to a rainwater collection and treatment and carbon fixation system and its deployment method, and to the field of rainwater pollutant purification. The rainwater collection and treatment device of the present invention integrates the seaweed carbon fixation function, and thus has the dual functions of rainwater collection and purification, and carbon fixation. The bionic starfish bottom of the system also leaves ample leisure space, integrating the quality improvement of urban water storage and public leisure space, and is a complex of landscape leisure + rainwater collection + rainwater purification + carbon fixation and emission reduction with development and application potential.

The invention discloses a polyelectrolyte composite material and carbon sequestration and channeling prevention application thereof. The polyelectrolyte composite material is a CO2 stimulation tackifying composition based on electrostatic interaction, and is composed of sodium carboxymethyl cellulose (CMC-Na, A), branched polyethyleneimine (PEI, B) and water. The branched polyethyleneimine molecule contains three nitrogen-containing groups, namely primary amino, secondary amino and tertiary amino, after CO2 is dissolved in water, carbonic acid is formed, so that the three amino groups are protonated, and the positively charged cationic ammonium salt is formed. Free carboxyl on the sodium carboxymethyl cellulose is negatively charged and can form a three-dimensional cross-linked network with the cationic branched polyethyleneimine through electrostatic attraction, and macroscopically, the viscosity of the system is increased. In the CO2 geological storage process, the viscosity of the polyelectrolyte composite material is increased, so that CO2 fluid channeling can be effectively blocked, and the CO2 storage rate is increased. Meanwhile, rich amino groups of polyethyleneimine in the system can react with CO2, so that the carbon sequestration rate is further increased.

The application discloses a kind of sludge solidifying agent using carbon fixation desulfurization ash, by cement clinker 12~15%, mineral powder 50~55%, steel slag powder 15~20%, carbon fixation desulfurization ash 10~15%, solid additive 1~2%, liquid additive 1~2% composition by mass percentage.The application uses desulfurization ash to fix CO2 in industrial tail gas to improve the activity of desulfurization ash, then carbon fixation desulfurization ash is compounded with cement clinker, mineral powder, steel slag powder, solid additive, liquid additive to obtain sludge solidifying agent.The application does not need to use various chemical means of flotation agent to enrich the carbon fixation component in desulfurization ash, and the cementation activity of desulfurization ash after carbon fixation is greatly improved, can better play sulfate activation effect, and with additive play superposition coupling effect, and with cement clinker, a kind of cementing material system, can jointly prepare sludge solidifying agent, to waste treat waste at the same time, improve the solidification strength of the sludge solidifying agent to sludge and the solidification effect of heavy metals in sludge.

The present invention provides a low-carbon permeable brick based on waste asphalt powder and a preparation method thereof, and relates to the technical field of building blocks. The specific steps of the preparation method are: S1, adding shell powder to waste asphalt powder, preparing a new type of cementitious material by means of component adjustment and high-temperature reconstruction, as the raw material of S2; S2, based on microbial carbon fixation technology, determining the ratio of each raw material by volume method, and mixing and stirring each raw material; S3, molding and curing the mixture obtained in S2 to obtain a low-carbon permeable brick. After the waste asphalt powder is treated by means of component adjustment and high-temperature reconstruction, it has a certain gelling ability and can be used as a related building material, effectively reducing waste powder pollution, and adding microbial powder that can secrete carbonic anhydrase to improve carbon fixation efficiency.