162 results about "Photosynthetic Carbon Fixation" patented technology

A method of enhancing inorganic carbon fixation by a photosynthetic organism. The method is effected by transforming cells of the photosynthetic organism with an expressible polynucleotide encoding a polypeptide having a bicarbonate transporter activity. Preferably, the polynucleotide further includes a plant promoter. Sequences and constructs for implementing the method are also described.

The invention relates to a bamboo forest carbon sequestration capacity measuring and carbon sequestration capacity improving fertilizer preparation method, which comprises the following six steps: 1, test design: selecting a bamboo forest sample plot, setting and processing a test area, then sampling, determining and computing; measurement and computation of annual respiration carbon emission amount of bamboo forest: measuring soil respiration rate, computing greenhouse gas CO2 emission flux and CO2 emission amount in soil annular accumulated respiration and determining no-root respiration soil CO2 emission amount; 3, measurement and estimation of bamboo forest vegetation carbon storage; 4, measurement and computation of soil carbon storage; 5, computation of bamboo forest annual net carbon fixation amount; and 6, optimum fertilizer preparation for improving bamboo forest carbon sequestration capacity. Through fertilizer application according to the optimum fertilizer preparation scheme obtained in the method disclosed by the invention, the carbon sequestration capacity of the bamboo forest can be obviously improved, and the invention provides an effective and feasible novel scheme for solving the greenhouse effect caused by the increase of atmospheric CO2 concentration.

The invention discloses a method for regulating and controlling a pattern of a protective forest system. The method comprises the following steps of: 1, acquiring land utilization landscape characteristics of a river basin in each period, and analyzing the evolution characteristics of the land utilization pattern of the river basin; 2, analyzing the driving factors of the change of the landscape type of the river basin and the main driving power of the change of the land utilization of the river basin by a principal component analysis method; 3, analyzing and comparing the condition of the ecological service function of the river basin in each period in the aspects of water source conservation, soil conservation, carbon fixation and oxygen release, nutrient substance accumulation, atmospheric environment purification and biodiversity protection; and 4, performing dynamic simulation by using a gray linear planning method and a Clue-s model to acquire the landscape optimized configuration scheme of the river basin. By processing satellite images in different time sequences, the relation between the change of a landscape pattern and natural, social and economic activities is uncovered, a driving mechanism which influences the evolution of the landscape pattern is analyzed, and the method for regulating and controlling the pattern of the protective forest system on the basis of landscape ecology is constructed.

The present invention discloses a carbon base long-acting nitrogen fertilizer biochemistry inhibitor preparation method, which concretely comprises: preparing a nitrogen fertilizer biochemistry inhibitor such as a urease inhibitor or a nitrification inhibitor into an aqueous solution with a certain concentration, adding the obtained aqueous solution to a carbonaceous absorption agent, uniformly mixing, drying, grinding and screening with a sieve, wherein the used carbonaceous absorption agent has wide sources, and can be active carbon, biological carbon or black carbon, the inhibitor content in the resulting product is 0.4-33.3%, and the obtained product can be directly applied into the soil in the powder form during a nitrogen-containing fertilizer applying process or before or after applying of a nitrogen-containing fertilizer, and can further be mixed into a nitrogen-containing fertilizer after granulation or be adopted as a coating layer to be coated on the outer portion of a particulate nitrogen-containing fertilizer. According to the present invention, the solid-liquid mixing absorption method is applied to ensure absorb the inhibitor to the surface and the internal of the carbonaceous material to the maximal degree, such that a slow-release effect is excellent, and an inhibition effect on soil enzyme activity is long-lasting. In addition, the used carbonaceous material has the wide sources, the cost is low, and the carbon base long-acting nitrogen fertilizer biochemistry inhibitor can be adopted as a carbon fixation manner to increase soil carbon sequestration and improve a soil environment, and is a veritable green fertilizer additive.

The invention discloses a method for preparing a greening fertilizer from kitchen garbage, wherein the method includes the steps of pre-treatment, desalting and deoiling, aerobic fermentation and post-treatment and particularly includes the steps: carrying out sorting and impurity removal of the kitchen garbage, desalting and deoiling, then adding a microbial agent, carrying out aerobic fermentation, and carrying out mixed granulation with functional bacteria to obtain the greening fertilizer. The method has the beneficial effects that the amount of waste is reduced, and the fertilizer is alsorich in substances such as organic matters, amino acids, organic-state nitrogen, phosphorus and potassium, medium and trace elements and the like essential for plant growth; moreover, the fertilizerhas the effects of carbon fixation and water retention, and can also increase the retention of soil nutrients, reduce the soil bulk density and increase the porosity. Therefore, the greening fertilizer is a high-efficiency and environmental-protection greening fertilizer.

The invention relates to a method and a system for the mass production and the coupling carbon fixation and emission reduction of healthy green food common nostoc, which realize large-scale high yield and carbon fixation and emission reduction by using a semiclosed indoor pool on the basis of realizing the high yield of the common nostoc and disclose a structural principle of the pool and optimization conditions of seven basic elements for culturing the common nostoc. The method is suitable for the urban and rural large-scale production, is especially suitable for poor grain lacking regions and is also suitable for the food self-supporting production of global extreme environments and disasters and spaceman living environments. The invention provides a novel healthy green food for human and also realizes the emission reduction, the oxygen generation, and the environment improvement in the food production process.

The wet carbon fixing process of producing fine calcium carbonate with industrial fume includes a two-step alkali absorption-metathesis regeneration process to absorb CO2 in fume to form soluble carbonate quickly, synthesis with calcium hydroxide suspension after being digested and filtered to form homogeneous calcium carbonate, deposition, washing, filtering and stoving to obtain final product. On the other hand, gas after carbon fixation is dewatered and deoxidized to obtain high purity nitrogen, which may be led to nitridize furnace to synthesize nitride product. The present invention can recover low content CO2 in fume to purify fume and reduce pollution while utilizing nitrogen in fume.

The invention discloses a preparation method of bamboo biochar. The preparation method has the beneficial effects that bamboo wastes serve as raw materials for preparation of biochar and the bamboo materials are transformed into biochar through hydrothermal reaction, thus providing a new bamboo material utilizing mode, increasing the comprehensive utilization rates of the bamboo materials and the economic benefits and increasing the additional value; the preparation method is clean and green in processes, is simple to operate, conduces to achieving cyclic utilization of resources, is beneficial to carbon fixation and reduction of emission of carbon dioxide and has good ecological benefits; besides, the method is low in energy consumption and cost, has good industrial application prospects and can achieve sink increase and emission reduction; the prepared product can be also applied to improving soil and restoring the water environment and has extensive application prospects.

An apparatus for carbon dioxide-capture system has a cultivating vessel and at least one basking mechanism. The cultivating vessel has a reservoir for accommodating alga culture. The basking mechanism is mounted in the reservoir of the cultivating vessel and has multiple trays and a circulating mechanism. The trays are imbricately mounted on the basking mechanism with predetermined intervals and each has at least one spout formed at an overlap with an adjacent tray. The circulating mechanism is mounted between the trays and the reservoir. The alga culture is pumped into one tray by the circulating mechanism, flows through the spout into another tray, enhancing a rate of carbon fixation by alga.

The invention discloses a method for preparing a carbon-fixation filling paste from waste concrete. The method comprises the following steps: industrial waste gas is dedusted, and then is mixed with normal temperature air, a waste concrete and a gangue mixture is crushed in the obtained industrial exhaust gas atmosphere, and coarse aggregates, fine aggregates and fine powder obtained after screening and carbon dioxide in the industrial exhaust gas undergo a carbonization reaction in a carbon fixation chamber; and the carbon-fixation coarse aggregates, the carbon-fixation fine aggregates, a filling paste additive, cement, phase change material microcapsules and water are stirred and mixed to form a filling body mixture, and the industrial exhaust gas is continuously injected in the stirring, mixing and conveying process of the filling paste to make the filling paste and the carbon dioxide in the industrial exhaust gas undergo the carbonization reaction in order to obtain the carbon-fixation filling paste. The carbonization reaction of the waste concrete and carbon dioxide is fully used, so the damages of the waste concrete to the environment are reduced, and the emission of greenhouse gases is reduced; and hydration heat is fully used in the carbonization reaction, so the filling effect of the carbon-fixation filling paste is good.

The invention relates to a method for producing microalgae grease by using flue gas. The method for the producing microalgae grease by using the flue gas comprises the following steps that firstly, amicroalgae culture medium and parachlorella kessleri FSH-Y3 or/and a scenedesmus obliquus FSH-Y2 seed solution are added into a photobioreactor, the pH value is adjusted to 10-12, the flue gas with CO2 content of 1v-5v% is introduced, and culture is carried out for a certain time; and then the pH value is adjusted to 8-10, a chlorella SF-B1 seed solution is introduced, at least one of a scenedesmus MH-04 seed solution a monoraphidium SS-B1 seed solution is introduced, mixed culture is carried out, the flue gas with CO2 content of 5v%-45v% is introduced, and the mixture is cultured to a stableperiod under the condition of continuous illumination, so that microalgae cells are obtained. The method for producing the microalgae grease by using the flue gas improves the tolerance and solubilityof a microalgae culture system to high-concentration CO2, improves the carbon fixation efficiency, obviously improves the harvest amount of the microalgae grease, simultaneously improves the tolerance to SOx and NOx in the flue gas, and can purify the flue gas.

The invention discloses a method for improving the carbon fixation and carbon sink enhancement capabilities of a bamboo forest. The method includes the following steps: 1, biological carbon preparation, wherein crop straw, pruned branches and animal manure organic biomass are collected, dried, then placed in a biological carbonization furnace respectively, calcined and then carbonized to obtain biological carbon; 2, bamboo forest land selection which includes the steps of building the bamboo forest, transforming low-yield or degraded bamboo forest land and bamboo forest maintenance; 3, fertilization method and fertilization time. According to different characteristics of phyllostachys pubescens forest land, a biological carbon application method and a corresponding management measure are specifically designed so as to improve and fertilize bamboo forest soil and improve the soil productivity, positive effects of carbon sink enhancement and emission reduction are achieved, the resource utilization of forestry and agricultural residues is achieved, the forest soil is improved, the yield and quality of bamboo products are improved, the health level of a bamboo forest soil carbon pool and the health level of the ecological system are improved, and the method has a significant carbon sink function.

The invention discloses a method for producing microalgae lipid by virtue of flue gas. The method comprises the following steps: (1) adding a microalgae medium and a parachlorella kessleri FSH-Y3 seed solution to a photobioreactor, regulating pH value of a culture system to 10-12, supplying the flue gas that a CO2 volume content is 1-5v%, and conducting culture for 2-5 days; and (2) regulating the pH value of the culture system to 8-10, inoculating the culture system with either a desmodesmus sp. MH-04 seed solution or a monoraphidium sp. SS-B1 seed solution or both of them, simultaneously, inoculating the culture system with an ankistrodesmus sp. SS-B7 and implementing mixed culture, and supplying the flue gas that a CO2 volume content is 5-45v%; implementing culture to a stationary phase under a continuous illumination condition, and collecting microalgae cells. According to the method provided by the invention, the tolerance and the solubility of the microalgae culture system to high-concentration CO2 are improved and a carbon fixation efficiency is improved, meanwhile, tolerance to SOx and NOx in the flue gas is improved, and the yield of the microalgae lipid is obviously improved.

The invention discloses a composite control method for paddy field weeds. The composite control method comprises the steps that bensulfuron methyl is sprayed synchronously in the process of planting rice, and a chemical method is used for controlling growth of the paddy field weeds; nitrogen fixation anabaena is applied during the period of 30-45 days after the rice is planted, and a biological method is used for further controlling growth of the paddy field weeds. According to the composite control method, the chemical method and the biological method are combined, germination of the weeds is suppressed quickly and effectively, and further germination and growth of the paddy field weeds are controlled under the action of the nitrogen fixation anabaena; as a result, the nitrogen fixation capability and the carbon fixation capability of crops are improved simultaneously, harm of the weeds is greatly reduced, normal growth of the crops is guaranteed, the use amount of paddy field herbicide is reduced, the weeds are prevented from generating resistance, and the composite control method has great significance in maintaining the stability of the ecological system and guaranteeing the quality and yield of the rice.

The invention provides sludge-biological carbon organic compound fertilizer and a preparation method thereof. The sludge-biological carbon organic compound fertilizer is prepared from the following raw materials: sludge, biological carbon, a mineral powder binding agent, a compound microorganism bacterium agent, a granulation binding agent and a film coating material; the preparation method of the compound fertilizer comprises the following steps: carrying out high-temperature cracking on crop straws to prepare the biological carbon; after mixing the sludge with the straws and composting, dehydrating, sterilizing and curing; removing heavy metal elements by utilizing a biological leaching method; after mixing and melting the prepared sludge and the biological carbon according to a reasonable ratio, melting and granulating; carrying out screening and film coating on grains to prepare the sludge-biological carbon organic compound fertilizer. The compound fertilizer provided by the invention sufficiently utilizes a lot of residual sludge and straw resources and has the advantages of fertilizer slow release, soil improvement, carbon fixation and emission reduction and the like; the nutrient matching is reasonable; after the sludge-biological carbon organic compound fertilizer is matched with conventional compound fertilizer and is applied, the fertilizer efficiency and the utilization rate can be effectively improved and the yield and quality of crops are remarkably improved. The method provided by the invention has relatively low cost and a feasible process and is suitable for large-scale popularization.

The invention provides a method for testing carbon fixation efficiency of a macroalgae community. The method comprises the steps that macroalgae collected in the field are classified according to species, and the ratios of the various macroalgae in the whole community are tested; according to the structure ratio of the community, a sample set of the macroalgae which are cleaned completely is divided into equal groups to form a simulated community system, and then the carbon fixation efficiency is tested. The novel method for testing the photosynthetic carbon fixation efficiency of the macroalgae community is more easy and convenient to implement and easy to operate. The method can be applied to monitoring of the photosynthetic carbon fixation capacity of the macroalgae community in the natural habitat, and provides theory and experiment basis for learning about the contribution of macroalgae on carbon sink and carbon circulation. Accordingly, the method has good scientific research and application value.

Methods and compositions for enhancing plant growth provide for foliar application of a substance which enhances the accumulation of formyltetrahydropteroyl polyglutamate (C1-THF) in a treated plant. Treatment with substances that contribute to the structure of C1-THF increase the rate and quantity of carbon fixation by the plant. Thereafter, plant growth is further improved either by exposure of the plant to elevated oxygen, illumination and heat or by foliar input of single carbon fragment sources. Optimal results are obtained by combined treatment with a substance that can serve as a sink for C1 fragments produced in the leaf.

The invention discloses a preparation method of biological charcoal based slow-release compound fertilizer and belongs to the technical field of fertilizer preparation. The method disclosed by the invention comprises the following steps: after drying a biomass raw material and crushing to certain granularity, immersing the biomass raw material in a mixed activating agent which has an activating effect and also contains chemical fertilizer effective elements including nitrogen, phosphorus and potassium and the like for 1 to 12h; then heating and drying the immersed biomass; carbonizing and activating in sequence under a protection atmosphere; finally, cooling to room temperature under the protection atmosphere, so as to obtain the biological charcoal based slow-release compound fertilizer.The biological charcoal based slow-release compound fertilizer provided by the invention contains various nutrient elements, and also can supply the needed nutrient elements to crops for long time ina relatively balanced manner, so that the application effect is increased; the biological charcoal based slow-release compound fertilizer also has soil improvement functions including conventional biological charcoal slow release, carbon fixation and the like; processes of bleaching to remove the activating agent, regulating the pH (Potential of Hydrogen) value and the like are not needed and bleaching sewage is not generated; a production technology is extremely simplified and the production cost is reduced.

The invention discloses a preparation method of a carbon-fixed concrete preform. The preparation method comprises removing dust in industrial waste gas, mixing the industrial waste gas and air, controlling a desired temperature so that the industrial waste gas and the concrete mixture undergo a carbonation reaction, molding the concrete mixture to obtain a preform, carrying out hardening curing, mixing the carbonized industrial waste gas and de-dusted uncarbonized industrial waste gas, pouring the mixture into a concrete carbon fixation chamber, and carrying out carbonization on the mixed waste gas and the concrete preform so that the industrial waste gas undergoes a carbonization reaction with the concrete preform many times until the preform is cured. The method can fix carbon dioxide inindustrial waste gas during the preparation of concrete performs, reduce the carbon dioxide content of the industrial waste gas and ensure the required strength of the concrete preform.

The invention discloses rhodobacter capsulatus and application thereof. The collection number of the rhodobacter capsulatus AYGHJ-16 is CCTCC NO: M 2011377; the rhodobacter capsulatus belongs to photosynthetic bacteria; and through the rhodobacter capsulatus, certain organic small molecules (such as organic acid and amino acid) can be converted into growth-stimulating substances and anti-virus substances by using light energy, so that growth of plants is stimulated, and the disease-resistant immunity of the plants is improved. Moreover, through the photosynthetic bacteria, product feedback inhibition of heterotrophic microbes can be released by using organic acid produced by metabolism of the heterotrophic microbes in soil, so that a large quantity of heterotrophic microbes are propagated, and conversion and absorption of certain inorganic substances in the soil are promoted; and the photosynthetic bacteria have strong nitrogen fixation and carbon fixation effects, so more inorganic substances can be provided for plants. The selenium-rich microbial agent can improve the micro-ecological environment of the soil, so that the disease resistance of the plants and internal absorption of various mineral elements and rare elements (such as selenium) are improved, and the selenium-rich requirements of the plants are met.

The invention provides a biochar-based sand modifier and a preparation method thereof and belongs to the technical field of compound fertilizer. The biochar-based sand modifier comprises biochar, nitrogen fertilizer, phosphorous fertilizer, potassium fertilizer and bentonite clay minerals. The preparation method comprises the following steps: smashing the biochar, then mixing with the nitrogen fertilizer, phosphorous fertilizer, potassium fertilizer and bentonite to form premix, granulating, and drying, so that the biochar-based sand modifier is obtained. The biochar-based sand modifier obtained by adopting the preparation method has the advantages that the biochar can improve a sand soil structure and has carbon fixation effect, release of fertilizer in soil can be delayed and continuous fertilization effect is achieved when the biochar is combined with the other components, the soil structure can be improved at the same time, and product quality can be improved.

The invention discloses an umbrella-shaped tower type photobiological culture device and belongs to the technical field of microalgae culture. The umbrella-shaped tower type photobiological culture device comprises a wastewater fermentation tank, a culture solution tank, a culture device and a water treatment tank, wherein the wastewater fermentation tank is used for stirring and fermenting wastewater to obtain a microalgae culture solution; the culture solution tank is communicated with the wastewater fermentation tank through a filter and is used for storing the microalgae culture solution and carrying out microalgae inoculation; the culture device comprises a shaft frame; the shaft frame is vertically mounted on a working plane; the shaft frame is provided with a plurality of umbrella-shaped culture units in sequence from big to small according to a height progressively increasing shape; the culture units are light guide plates for forming an umbrella shape; a horizontal solution storage groove is formed in the top of the shaft frame; the solution storage groove is connected with a submersible pump located in the culture solution tank through a liquid inlet pipe; an annular water collection groove is formed in the edge of the culture unit located at the bottommost side of the shaft frame and the water collection groove is communicated with the culture solution tank; the water treatment tank is internally provided with a water filtering unit and a water inlet is connected with the culture solution tank; a water outlet is arranged at one end relative to the water inlet. The umbrella-shaped tower type photobiological culture device combines microalgae culture and microalgae domestication, sewage treatment, biological carbon fixation and microalgae recycling and realizes integration of microalgae culture.