26results about How to "Improve carbon sequestration performance" patented technology

The invention discloses a composite saline alkali soil conditioner, which is prepared from the following ingredients in parts by weight: 30 to 40 parts of iron ion modified charcoal, 10 to 20 parts of inorganic waste residues, 5 to 10 parts of humic acid, 10 to 15 parts of modified polyacrylamide and 1 to 3 parts of auxiliary microbial agents. The modified polyacrylamide has a structure as shown in a formula A, the ratio of x to y to z is (10-15): (3-5): (2-3), and the molecular weight is 50000-120000. The composite saline-alkali soil conditioner provided by the invention is prepared by compounding the iron ion modified biochar, the inorganic waste residue, the humic acid, the modified polyacrylamide and the auxiliary microbial agent, has excellent salt reduction and carbon sequestration capabilities, reduces resource waste and environmental pollution by reusing agricultural and forestry wastes and the waste residue, and has a good application prospect. The method can be widely applied to the field of improvement of saline-alkali soil. # imgabs0 #

The invention discloses a deep sea combustible ice mining and carbon dioxide sealing and jetting integrated operation tool which is mainly composed of a safety connector mechanism, a mechanical self-locking mechanism, an anchoring mechanism, a packing mechanism and a jetting mechanism. The mechanical self-locking mechanism comprises a switching self-locking connector, a slope guide ring and a spring I, switching and locking of different functions are achieved, and the practicability of the tool is improved; the anchoring mechanism is internally provided with an upper slip, a horse tooth shaft I, a double-stroke piston cylinder I, a double-stroke piston cylinder II, a horse tooth shaft II and a lower slip, so that the anchoring capability is enhanced, and the operation stability is ensured; through the change of the movement stroke of the mechanical self-locking mechanism, switching and locking of drilling, mining, injection and sealing functions are achieved, and mutual combination of multiple natural gas hydrate mining methods, fracturing transformation and hydrate carbon sequestration is achieved; integration is achieved through combination of all the mechanisms. By combining a process method, the risk of carbon dioxide hydrate downhole blockage is prevented, and the carbon sequestration amount is increased.

The invention discloses a multi-type urban green land ecosystem-oriented carbon sink measurement system and method, belongs to the technical field of carbon sink measurement, and solves the problem of inaccurate evaluation result caused by non-uniform data distribution or insufficient sample size when a feature selection algorithm is adopted to extract feature factors in the existing method. The method comprises the following steps: collecting sequential urban green land carbon sink amount associated data, determining characteristic factors influencing the total carbon sink amount in a carbon sink preprocessing set based on a characteristic factor extraction model, analyzing a characteristic factor set by combining a carbon reserve method and the characteristic factor extraction model, and calculating the arbor and shrub biomass of the urban green land; according to the method, the feature factor extraction model is constructed by combining the GBR model and global sensitivity analysis, so that the feature factors influencing the total carbon sink amount in the carbon sink preprocessing set are accurately determined, the uncertainty in carbon sink estimation can be reduced, and the accuracy of an evaluation result can be ensured when data distribution is uneven or the sample size is insufficient.

The invention discloses a water environment treatment material based on composite minerals and aquatic plants and a preparation method and application thereof, and belongs to the technical field of water environment treatment. The water environment treatment material comprises the composite minerals and the aquatic plants, the composite minerals can adsorb and convert heavy metal ions, ammonia nitrogen and organic pollutants, and by combining the absorption of the aquatic plants on nutrient substances and the decomposition effect of microorganisms on the pollutants, the concentration of the pollutants in a water body can be remarkably reduced, and the water quality index is improved; the problems of water eutrophication, heavy metal pollution, organic pollution and the like are effectively solved; the photosynthesis of the aquatic plants can absorb a large amount of carbon dioxide, carbon elements are transferred into the bottom mud for long-term storage, meanwhile, the existence of the complex minerals indirectly promotes the carbon sequestration effect of the aquatic plants, the carbon sequestration capacity of the whole water body ecological system is improved, and finally the multiple purposes of water body pollution treatment, bottom mud remediation, carbon sequestration and sink increase and the like are achieved. The health and the stability of a water body ecological system are improved.

The invention provides a method for retarding soil acidification and increasing the content of fixed inorganic carbon in soil, and relates to the technical field of soil improvement. According to the method, the wollastonite is firstly crushed, then the crushed wollastonite is uniformly spread on the surface of the soil and then mixed into a soil plough layer, and the improvement of retarding soil acidification and increasing soil fixed inorganic carbon is realized. The crushed wollastonite is spread on the surface of the soil and then mixed into a plough layer to generate stable bicarbonate which is beneficial to sealing of inorganic carbon in the soil, acidic substances in the soil can be remarkably neutralized, the soil acidification process is relieved, the air permeability and the water binding capacity of the soil are improved, and then the fertility of the soil is improved; crop root growth is promoted, nutrient absorption of plants is improved, crop yield and quality are further improved, and the method is an efficient and low-cost acidified soil improvement technology.

The invention provides enterobacter GD-13 with carbon sequestration capacity and application thereof, and relates to the technical field of microorganisms. The enterobacter disclosed by the invention is classified and named as Enterobacter huxiensis, and the preservation number of the enterobacter is CGMCC (China General Microbiological Culture Collection Center) No.31726. The enterobacter disclosed by the invention is separated from soil between fixed plates in a photovoltaic field area of a stony desertification area. Experiments show that the enterobacter can keep good growth activity and carbon sequestration capacity in a salt culture medium with extremely low nutrition, the carbon sequestration capacity of the enterobacter can be improved to different extents when an inorganic carbon source is externally added, particularly, the carbon sequestration capacity of the enterobacter is remarkably improved under the condition that the inorganic carbon source Na2CO3 is externally added, and the carbon sequestration capacity of the enterobacter can be further improved when an electron donor is externally added. The enterobacter obtained through separation has important scientific significance in improving the carbon sequestration and sink increasing potential of soil, promoting high-quality development of the photovoltaic industry in the stony desertification fragile area and relieving global warming.

This invention provides a method for microalgae to fix carbon dioxide under high-mineralization and high-temperature environments, belonging to the field of microalgae cultivation and carbon neutrality technology. The carbon dioxide fixation method includes the following steps: S1: Constructing a carbon fixation culture system using ammonium sulfate as the sole nitrogen source; S2: Introducing microalgae into the carbon fixation culture system for cultivation at a temperature of 20-43℃; S3: Passing carbon dioxide-containing flue gas into the carbon fixation culture solution, and collecting the microalgae biomass after cultivation to fix carbon dioxide. This invention can improve the stress resistance and carbon fixation performance of microalgae under high-mineralization and high-temperature environments, is suitable for the synergistic treatment of high-mineralization water bodies and high-carbon dioxide concentration flue gas in power plants, and has low treatment costs, is easy to operate, and has broad application prospects.

The invention discloses a strain of Priesteria gigantea with carbon fixation function, a fermentation liquid and an application thereof, and belongs to the technical field of microbial application. The invention screens out a strain of Priesteria gigantea ( Priestia megaterium )C17, its biological preservation number is CCTCC NO: M 20241724; strain C17 has the carbon fixation gene cbbL gene, can produce carbon fixation enzymes, has good carbon fixation ability, can be used in the field of microbial carbon fixation, promote the conversion of inorganic carbon in the soil into organic carbon, and at the same time can improve the soil and increase the number of carbon fixation bacteria in the soil.

The invention discloses pit sealing mud with high carbon sequestration capacity as well as a preparation method and application thereof, and belongs to the technical field of wine brewing. The pit sealing mud with high carbon sequestration capacity contains sodium chloride and a natural polymer adhesive. The preparation method of the pit sealing mud comprises the step of adding a sodium chloride solution and a natural polymer adhesive suspension in the preparation process of the pit sealing mud. The pit sealing mud is used for sealing a pit in a traditional white spirit solid-state brewing process, CO2 and NH4 generated by fermentation can be effectively adsorbed to form more stable NaHCO3 and NH4Cl, pit sealing mud agglomerates can be increased, the surface area of the pit sealing mud agglomerates can be increased, the carbon sequestration capacity of the pit sealing mud can be enhanced, and carbon emission during white spirit brewing can be reduced.

The application discloses a CO2 storage carrier, a preparation method and a device, which comprise the following components in percentage by mass: quartz: 30.10-40.45%, borax: 8.75-14.3%, calcium oxide: 5.13-7.20%, magnesium oxide: 5.50-7.52%, sodium carbonate: 1.87-3.47%, sodium sulfate: 0.12-0.53%, sodium phosphate: 0.23-0.82%, a stable dispersing agent: 0.06-0.33%, a surfactant: 0.02-0.13%, and water: 35-45%. The application comprises the following steps in the preparation: (1) preparing a slurry; (2) preparing a CO2 storage carrier precursor; and (3) preparing the CO2 storage carrier. The CO2 storage carrier provided by the application can wrap carbon dioxide gas inside, can realize carbon storage, and can help realize the vision of carbon neutrality as soon as possible.

The application discloses a high-efficiency carbon fixation microalgae breeding device, and relates to the technical field of carbon fixation microalgae breeding.The device comprises an elongated pool, a partition plate is arranged at the middle position of the elongated pool, so that a loop-shaped channel in the shape of a long strip is formed in the elongated pool, bottom plates are arranged in the two parallel straight channels of the loop-shaped channel, the upper surfaces of the bottom plates are arranged in an inclined manner, and the inclined directions of the two bottom plates are opposite.Two liquid lifting mechanisms are arranged at the high end positions of the two bottom plates respectively, and are used for lifting the algal liquid in the loop-shaped channel to the high end of the bottom plate, so that the algal liquid flows downward along the upper surface of the bottom plate automatically.Two groups of disturbance mechanisms are arranged on the upper surfaces of the two bottom plates.The algal liquid is driven to form a turbulent state by the bidirectional inclined bottom plates, the liquid lifting mechanism and the disturbance mechanism, the problems of surface light inhibition and bottom dark area are reduced, and the light energy utilization efficiency of the microalgae is improved significantly.

The present invention discloses a carbon sink measurement system and method for multi-type urban green space ecosystems, belongs to the technical field of carbon sink measurement, solves the problem of inaccurate evaluation results caused by uneven data distribution or insufficient sample size when the existing method uses a feature selection algorithm to extract characteristic factors. The method comprises: collecting time-series urban green space carbon sink correlation data, determining characteristic factors that affect the carbon sink amount in a carbon sink pretreatment concentration based on a characteristic factor extraction model, analyzing the characteristic factor set in combination with a carbon storage method and a characteristic factor extraction model, and calculating the biomass of trees and shrubs in urban green spaces; the present invention constructs a characteristic factor extraction model by combining a GBR model with a global sensitivity analysis, thereby accurately determining the characteristic factors that affect the carbon sink amount in a carbon sink pretreatment concentration, reducing uncertainty in carbon sink estimation, and ensuring the accuracy of evaluation results when data distribution is uneven or the sample size is insufficient.

The invention relates to the technical field of household garbage treatment and carbon sequestration, in particular to a method for fixing CO2 through cooperation of garbage incineration fly ash and garbage leachate. According to the method, the carbon dioxide is fixed through cooperation of the waste incineration fly ash and the landfill leachate, ammonium chloride is added in the process, the carbon dioxide fixing effect is better, meanwhile, generated tail gas is partially circulated in the carbon dioxide fixing process, on one hand, the concentration of ammonium chloride in the mixed liquid can be effectively guaranteed, and on the other hand, the carbon dioxide fixing effect is improved; and on the other hand, the ammonia content in the discharged tail gas can be reduced, the dosage of a treatment agent can be reduced, and the tail gas is convenient to purify. According to the method, on one hand, fixation of carbon dioxide is achieved through cooperation of the waste incineration fly ash and the landfill leachate, on the other hand, the carbon fixation effect is further improved through addition of ammonium chloride and ammonia backflow, waste is treated with waste, and the method has important significance on waste treatment and environment protection.

The invention discloses multi-layer carbon dioxide capturing equipment, and relates to the technical field of carbon dioxide capturing devices.The multi-layer carbon dioxide capturing equipment comprises an equipment frame, an odor removing mechanism is arranged at the bottom of the inner wall of the equipment frame, and a servo motor is fixedly installed below the equipment frame; a transmission shaft is fixedly installed at the output end of the servo motor, an air inlet pipe fixedly penetrates through the upper portion of the equipment frame, an exhaust pipe fixedly penetrates through the circumferential face of the equipment frame, and the carbon sequestration device comprises a slag discharging pipe, an inclined plate, a filtering frame, a filtering plate, a sleeve, a spiral scraper, a bearing rod, a slag storage frame, a baffle and a connecting plate. According to the multi-layer carbon dioxide capture equipment, automatic discharge of steel slag after carbon capture in the slag storage frame can be achieved, and the situation that the carbon sequestration effect of the steel slag and a catalyst is gradually reduced due to long-time waste gas treatment, and consequently the capture efficiency of carbon dioxide is gradually reduced is avoided.

The present application relates to a kind of preparation of nanometer SiO2 / CaSiO3 Composite material using electroplating sludge and its carbon dioxide mineralization process. Nanometer SiO2 / CaSiO3 Composite material is prepared by using carbon dioxide assisted precipitation method and solid phase mixing method, realizes the high-value resource utilization of electroplating sludge, and optimizes the carbon fixation performance of CaSiO3. The carbon dioxide mineralization process provided in the present application is under lower temperature and pressure conditions, by water vapor wetting nanometer SiO2 / CaSiO3, so that carbon dioxide is quickly mineralized into stable carbonate, thereby realizing efficient capture and storage of carbon dioxide. The process is simple in operation, low in energy consumption and uses only a small amount of water, does not cause secondary pollution, is green and environmentally friendly, low in cost, suitable for large-scale development and application.

The invention discloses a low-carbon high-efficiency artificial purification wetland system. The low-carbon high-efficiency artificial purification wetland system comprises a sedimentation tank, a percolation dam, an aeration tank, a primary submerged plant tank and a secondary submerged plant tank which are sequentially communicated through water channels. According to the method, the wetland carbon sequestration capability, the purification efficiency and the economic benefit are improved by preparing the aquatic plants which grow fast and are high in economic benefit. Solar energy is adopted, carbon emission is reduced, an aerator is arranged, dissolved oxygen of a water body is increased, emission of wetland greenhouse gas methane is reduced, and the purification efficiency is also improved. By optimizing the configuration of the wetland structure, the physical effects of precipitation, filtration, adsorption and the like are enhanced, the absorption and utilization of plants and the decomposition of microorganisms are enhanced, and the purification efficiency of the wetland is improved.

The present invention discloses a method for rapidly calculating the carbon sequestration of an urban landscape, and relates to the technical field of carbon sequestration measurement. The method comprises the following steps: A, establishing an urban landscape plant database. The plant carbon sequestration test data in existing literature is used as the basis of the plant database. Step B, establishing a plant image recognition system. The convolutional neural network model in deep learning is used to perform class recognition on plant images. Step C, using an unmanned aerial vehicle to obtain landscape images. Step D, establishing an urban landscape GIS model. Step E, calculating the total green volume and distribution of the urban landscape. Step F, calculating the total daily average carbon sequestration and distribution of the urban landscape. Compared with the prior art, the method can save more manpower, time, and instrument costs, is easy to operate, and has greater popularity and promotion value. In addition, the method of the present invention records the measurement results on a map, which facilitates the visualization analysis of the data, and is conducive to the management personnel to more targetedly manage, transform and improve the landscape, thereby improving the carbon sequestration effect of urban landscape greening.

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 belongs to the field of soil improvement, and relates to a method for applying a modifier for soil acidification in southern forests, by which goethite as a mineral modifier can effectively increase soil pH, adjust soil acidity, improve soil carbon sink capacity, comprehensively improve the plant habitat, and further promote plant growth, so as to simultaneously realize soil habitat improvement and ecological function improvement of the southern forests.

The invention discloses an active cementing material based on aluminum-carbon synergistic reaction and a preparation method thereof. The preparation method comprises the following steps: mixing a calcium-based solid waste material with a regulating agent solution to form mixed slurry; introducing industrial tail gas containing CO2 into the mixed slurry, reacting for 30-180 minutes at the temperature of 25-100 DEG C, carrying out carbonization treatment, and then carrying out solid-liquid separation and drying dehydration to obtain an active carbonate admixture; mixing the active carbonate admixture with a volcanic ash material and ordinary Portland cement, and adding water to prepare an active cementing material with aluminum-carbon synergistic reaction; aiming at the problems in the prior art, an aluminum-carbon synergistic reaction is introduced to realize synchronous proceeding of carbonate mineralization and aluminate activation, a compact and continuous skeleton structure is constructed, the early and later compressive strength of the cementing material is remarkably improved, and meanwhile, resource utilization of industrial solid wastes such as the steel slag, the red mud and the waste concrete can also be realized.

The invention discloses an agriculture and forestry compound management method with eucalyptus and commercial crops as main components, and the method specifically comprises the following steps: S1, forest land site selection and pretreatment: selecting a laterite / laterite forest land with the altitude less than or equal to 800m and the PH value of 4.5-6.5, and relates to the technical field of agriculture and forestry compound management. According to the agriculture and forestry composite management method with eucalyptus and commercial crops as main components, medicinal plants such as honeysuckle, rhizoma polygonati and anoectochilus formosanus are accurately matched according to microenvironment characteristics of eucalyptus in different growth stages, the content of effective components of various medicinal materials is remarkably increased by combining a medicinal component directional regulation and control technology, and the effective components meet the high-quality standard of pharmacopoeia; compared with a traditional mode, the annual average yield per mu income of medicinal plants and the land resource utilization rate are greatly improved, the nutrient requirements of eucalyptus in all growth stages are met through intelligent drip irrigation and staged water and fertilizer management, the application of biological bacterial fertilizer and organic fertilizer is matched, the soil structure is effectively improved, the eucalyptus growth speed and the wood yield are remarkably improved, and the phenomenon of small old trees is avoided.

This invention relates to the field of wetland ecological restoration technology, and particularly to a quinone-enriched modified biochar, its preparation method, and its application. In this invention, *Spartina alterniflora* is pyrolyzed under an inert atmosphere to obtain *Spartina alterniflora*-based biochar; the *Spartina alterniflora*-based biochar is then immersed in an anthraquinone-2-sulfonic acid solution to react and obtain quinone-enriched *Spartina alterniflora* biochar. This invention utilizes anthraquinone-2-sulfonic acid to modify the biochar, significantly increasing the surface quinone content, which effectively promotes the reduction-oxidation cycle of iron in sediments. The quinone-enriched modified biochar provides additional electron shuttle pathways, accelerating the iron cycling process, increasing the content of amorphous iron, and promoting the iron cycle and the formation and transformation of iron minerals. Through the promotion of iron cycling, the proportion of iron-bound organic carbon and recalcitrant organic carbon is increased, improving the fixation efficiency and stability of soil organic matter (SOC).

The invention discloses a carbon sequestration filling material as well as a preparation method and application thereof, and belongs to the technical field of mining industry solid waste treatment and filling materials. The invention provides a preparation method of a carbon sequestration filling material. The preparation method comprises the following steps: stirring slag, cement, fly ash and water to obtain a slag-based filling material; wherein the addition amount of the furnace slag accounts for 50%-80% of the total mass of the furnace slag, the cement and the fly ash, the addition amount of the fly ash accounts for 10%-25% of the total mass of the furnace slag, the cement and the fly ash, and the addition amount of the cement accounts for 10%-25% of the total mass of the furnace slag, the cement and the fly ash; and maintaining the slag-based filling material in a carbon dioxide atmosphere to obtain the carbon sequestration filling material. The carbon sequestration filling material is prepared by taking the furnace slag, the cement and the fly ash as raw materials, and the carbon sequestration quantity is increased by the carbon sequestration filling material through physical adsorption and chemical reaction.

The invention belongs to the technical field of concrete materials, and relates to carbon-sequestration high-crack-resistance concrete and a preparation method thereof. The carbon-sequestration high-crack-resistance concrete is processed from the following raw materials in parts by weight: 450 to 600 parts of cement, 10 to 100 parts of fly ash, 600 to 800 parts of river sand, 1000 to 1200 parts of gravel, 100 to 200 parts of water, 0.1 to 10 parts of an additive, 0.5 to 10 parts of an alkaline agent, 0.1 to 5 parts of an organic amine compound, 30 to 80 parts of a magnesium expanding agent, 1 to 20 parts of fiber and 1 to 10 parts of a carbon-sequestration material. According to the carbon-sequestration high-crack-resistance concrete provided by the invention, multiple raw materials are preferably selected, and through the synergistic effect of the raw materials, the application effect of a carbon sequestration technology in the concrete is remarkably enhanced, and through the synergistic effect of the multiple components, the volume of the concrete generates a micro-expansion effect, so that the crack resistance of the concrete is improved; the carbon emission can be reduced, and the requirement of sustainable development is met.

The invention discloses a preparation method of a bacteria-algae symbiotic filler, which specifically comprises the following steps: adding an activated sludge dispersion liquid into a reactor filled with a filler, operating for 7-10 days under an aeration condition, and introducing simulated tail water in the operation process; then chlorella is inoculated according to the volume ratio of the activated sludge dispersion liquid to the chlorella dispersion liquid being 1: (5-50), operation is conducted for 14-20 days at the temperature of 22-30 DEG C under illumination, and the light-dark ratio is that illumination is conducted for 6-12 h, and darkness is conducted for 12-18 h; tail water of the simulated sewage plant is introduced in the operation process; the filler hung with the algal-bacterial symbiotic biological membrane is obtained. In the formed algal-bacterial symbiotic membrane, the microalgae can promote enrichment of nitrogen and phosphorus removal flora and organic matter metabolism functional flora, and bacteria can improve the photosynthesis performance and carbon sequestration performance of the microalgae through material exchange, information transfer and other ways, so that the algal-bacterial symbiotic system can efficiently purify N / P / organic matter in a water body; meanwhile, the emission of greenhouse gas is reduced. The invention also discloses a filler composite structure based on the algal-bacterial symbiotic filler.

The application provides a multifunctional high-efficiency carbon fixation fertilizer based on iron-based nanoparticle addition and a preparation method thereof, and belongs to the technical field of agricultural fertilizers.The application realizes the organic combination of organic fertilizer and inorganic fertilizer through the multi-element compounding of raw materials, can effectively promote the conversion of organic matter in the organic fertilizer into soil organic matter by adding iron-based nanoparticles such as nano-Fe3O4 or nano-zero-valent iron as the main representative under the condition of ensuring sufficient supply of crop nutrients, and significantly improves the soil carbon fixation capacity.The application does not reduce the efficacy of microbial agents and humic acid, can improve soil microbial activity, is environmentally friendly, can promote plant growth and development, and improves crop yield and quality.The multifunctional fertilizer prepared by the application has good fertilizer slow-release effect, long slow-release time, simple preparation method, low cost, and good popularization and application value.