38 results about "Carbon pool" patented technology

The invention discloses a method for preparing lanthanum-loaded charcoal used for purifying phosphorus polluted water. The method comprises the following steps: adding maize straws which pass through a 60-100-mesh sieve into a lanthanum solution, regulating the pH of the solution to be not less than 10 by using 4-6M of NaOH or ammonium hydroxide, centrifuging, removing supernatant, and cleaning by using 95% ethanol; drying and mashing cleaned solids, and performing pyrolysis in a muffle furnace; cooling a pyrolysis product to room temperature, grinding the materials which pass through the 60-100-mesh sieve, repeatedly cleaning the materials to be pH of below 8 by using distilled water, and drying to obtain products, wherein the product which passes through the 60-100-mesh sieve is the lanthanum-loaded charcoal. The prepared lanthanum-loaded charcoal has the high phosphorus removal efficiency, the preparation process is simple and feasible, the preparation cost is low, straw wastes are fully utilized, the environmental pollution caused by straw incineration is reduced, the lanthanum-loaded charcoal is reutilized for returning to field, and the carbon pool and the phosphorus pool of soil are increased.

The invention provides a device for treating waste water of chemical fiber by adopting an anaerobic method, which relates to a device for treating waste water of industrial production.The invention provides the device for treating waste water of chemical fiber by adopting the anaerobic method, which has economical operation cost and remarkable treating effect.The invention comprise a grid, a water collecting well, a floating oil absorber, a regulating reservoir, an anaerobic pool, a triphase separator, a flow water pulser, a first level biological contact oxidization pond, a first level sedimentation pond, a secondary level biological contact oxidization pond, a secondary level sedimentation pond, a biological carbon pool, a clean water tank, a diving pump, a sludge pool, a submersible sewage pump, a sludge thickener, a dosing tank, a flocculating agent tank, a coagulating tank, a pressure filter, a sludge pump, a first lift pump, a second lift pump, a valve, pipes, etc.

The invention provides a special high-carbon based soil remediation fertilizer for tobacco fields and a production method and application method of the special high-carbon based soil remediation fertilizer for the tobacco fields. The special high-carbon based soil remediation fertilizer for the tobacco fields comprises the following components in percentage by weight: 25 to 35% of biochar, 4 to 6% of a cake fertilizer, 1 to 3% of humic acid, 10 to 15% of potassium nitrate, 4 to 6% of medical stone, 30 to 40% of dried cow-dung, 0.5 to 1% of shell powder, 2 to 4% of biological bacteria, 1 to 2% of white stone powder, and the balance of microelement fertilizers. According to the invention, organic materials which are high in carbon and low in nitrogen, loose and porous and high in specific surface area are mainly taken as carriers, a variety of mineral nutrient elements are directionally added, a variety of physiological active materials are combined, and remediation of soil carbon pools and activation of soil microbial communities are taken as purposes, and the micro-ecological environment of tobacco plant roots are coordinated and optimized to promote the root development of tobacco plants, balance the nutrition of the tobacco plants and improve the use efficiency of tobacco plant nutrients.

The invention relates to the technical field of agricultural cultivation, and discloses a method for corn-soybean strip type interplanting. With the adoption of the method, corns and soybeans are planted alternately in a strip type. When corn grain milk lines reach 1/2 to 3/4, a stalk and leaves above three leaves of an ear are removed, the three leaves of the ear are reserved, and all leaves below the three leaves of the ear are sheared off adopting a leaf ring as a basic standard. According to the invention, the leaves below the three leaves of the ear, and the stalk and the leaves above the three leaves of the ear are removed timely and suitably, the original source library relationship of corn plants is broken, the transport direction of organics is changed, a new source library relationship is established, a carbon pool effect of source leaves is enhanced, nutrition provided for grains is improved, simultaneously, the growing environment of the soybeans in a strip type interplanting mode is improved, and the corns and soybeans have high yield at the same time.

A method for developing new-climate economy and realizing global net zero carbon emission comprises steps of selecting excellent and high-yield biological kinds and repeatedly harvesting in unit time to increase biological carbon catching amount, planting trees, irrigating and planting weeds to form a multi-coverage composite ecological system to expand plant carbon storage amount, improving a ploughing way, utilizing biological fertilizers and improving soil carbon storage amount, producing carbon products and biological products in a bio-manufacturing way and expanding biological carbon sealing amount, breeding high-yield aquatic organisms to increase hydrosphere carbon conversion amount, developing animal husbandry to expand animal carbon transmission amount, collecting organisms to fill and bury to limit atmosphere total carbon amount, replacing fossil fuel by clean energy to control atmosphere carbon increase amount, conserving energy and reducing consumption and reducing man-made carbon emission, comprehensively developing and utilizing atmosphere carbon resource, building a manual carbon stock to create atmosphere carbon dividing amount. Through ways of carbon capture, storage, sealing, conversion, transmission, limit, control, decrease and utilization, global net zero carbon emission can be realized; and ecological, environmental, resource-related, economic and climatic problems can be solved.

The invention discloses an agricultural culturing medium, a producing method thereof and an application thereof, and belongs to the field of production of agricultural culturing media. The agricultural culturing medium is prepared from charcoal powder, fresh grass leaf powder, dry grass leaf powder, fungicides and pyroligneous liquid. The invention further discloses the producing method of the agricultural culturing medium. The method includes the following steps that 1, the mixture of the fungicides, the pyroligneous liquid and the charcoal powder is prepared, then the mixture, the fresh grass leaf powder and the dry grass leaf powder are evenly mixed, and a compost heap body is prepared; 2, heap-sealing anaerobic fermentation is carried out, and then aerobic fermentation is carried out; 3, the heap body is sealed, then overturned and aired, and the agricultural culturing medium is obtained. According to the agricultural culturing medium, the producing method and the application, landscaping waste serves as raw materials to produce the agricultural culturing medium, the landscaping waste is recycled, and the produced agricultural culturing medium can improve a soil carbon pool and improve soil, can be applied to gardening, agricultural production or forestry production.

The invention discloses a special fertilizer for carbon-based and selenium-rich tea. The fertilizer is composed of the following raw materials by weight parts: 22-25 parts of biological black carbon, 35-40 parts of urea, 14-16 parts of ammonium dihydrogen phosphate, 16-20 parts of potassium chloride, 4-6 parts of a binder, 1-2 parts of bone meal, 0.2-0.4 parts of ammonium sulfate, and 0.1-0.2 parts of attapulgite. According to the invention, increasing of soil carbon sequestration and organic carbon are obvious, wherein carbon-based carbon sequestration effects are obvious; due to chemical and microbiological inertia of the biological black carbon and physical protection of soil aggregates, the biological black carbon becomes inert carbon pool of the soil, only 5 % of the carbon are re-released into the atmosphere through effects of soil microbe, and 95 % of the carbon are fixed by the soil, thereby generating net carbon absorption; and a fixed time of the biological black carbon in the soil can be hundreds years. A content of soil organic matters can be increased in a short period through turning over of green manure for tea garden soil and application of organic manure, however, a decomposition period is only a few months, and an improvement for the content of the soil organic matters is far lower than the improvement by the biological black carbon. The tea special fertilizer applied with the biological black carbon as an adsorbent can substantially improve the content of soil organic matters and nutrient accumulation.

The invention relates to an optimal environment variable screening method for time-space dynamic prediction of a soil organic carbon pool. Soil databases in different periods, and dynamic and static environment variable sets are collected and sorted; and according to the timeliness of soil data, an effective time period, namely, "a time slice" for simulating the soil carbon pool is stipulated. Various attribute information of various dynamic and static environment variables is analyzed according to soil organic carbon density information in different landscape areas, so that an analytic hierarchy process and expert knowledge are used for constructing an effective optimal environment variable set in the specific time slice.

The invention discloses a carbon-nitrogen separated nitrogen removal process. The system is composed of a zeolite pool, a carbon pool, a nitrate pool and a purified water buffer pool. The process comprises the following steps: performing appropriate pretreatment on nitrogen-containing sewage, feeding the sewage into the zeolite pool to adsorb ammonia nitrogen in the sewage, and discharging the sewage in which carbon and nitrogen are separated into a carbon pool; performing aerated nitrification on zeolite for oxidizing ammonia nitrogen to be separated from the zeolite, thereby regenerating the zeolite, and discharging water containing nitrate nitrogen into the nitrate pool; then the sewage in the carbon pool and the nitrate pool is treated independently or in a combined manner by setting an appropriate treatment procedure outside the system, thereby removing nitrogen completely.

The invention discloses a method for precisely evaluating the storage amount of organic carbon in thicket-type carex swamp soil. The method comprises the steps that the density, the heights and the basal diameters of grass mounds are measured; the volumes of the grass mounds are calculated; the storage amount of the organic carbon in the grass mounds is calculated; the storage amount of the organic carbon in the soil under the grass mounds and the soil between the grass grounds are calculated; the storage amount of the organic carbon in the soil per unit area of a thicket-type carex swamp is calculated; and the storage amount of the organic carbon in the thicket-type carex swamp soil is evaluated. The method has the beneficial effects that (1) according to the actual shape of the grass mounds, an ellipsoidal or cylindrical grass ground volume calculating method is selected scientifically, and thus a grass mound organic carbon pool is evaluated more accurately; and (2) the differences among the soil volume weight and the organic carbon content in the grass mound carbon pool, the soil volume weight and the organic carbon content under covering of the grass mounds, and the soil volumeweight and the organic carbon content in the soil between the mounds are fully considered and calculated separately, and thus evaluation of the storage amount of the organic carbon in the thicket-type carex swamp soil is more precise and more scientific.

The invention discloses a method of increasing soil carbon sequestration capacity using organic fertilizers. The principle of the method is that after the organic fertilizers are applied to soil, the soil is improved structurally, the carbon sequestration surface area of soil aggregate is increased, and carbon sequestration capacity is enhanced. Due to the fact that the soil has the capacity for carbon emission remission and the potential for carbon emission reduction and is huge in size, the stability, the growth or release of a soil carbon pool is closely related to changes in CO2 concentration of the atmosphere. Soil organic matters are increased, the capacity, for isolating and absorbing organic carbon, of the oil aggregate is increased, organic compounds are restrained from breaking down into CO2, and therefore a great buffering effect on reduction of the greenhouse effect is achieved.

The invention discloses a soil conditioner for improving the organic carbon of soil and a production method of the soil conditioner and belongs to the technical field of soil conditioner preparation and utilization. The soil conditioner is composed of, by mass, 22-35% of humic acid, 5-12% of cow dung, 4-12% of tobacco powder, 8-20% of grass coal, 1-6% of calcium superphosphate, 1-5% of urea, 2-6% of potassium sulphate, 9-19% of calcium magnesium phosphate fertilizer, 0.5-2.5% of manganese sulfate, 0.5-2.5% of ferrous sulfate, 1-4% of zinc sulfate, 0.5-2.5% of ammonium molybdate, 3-7% of boric acid, 1-3% of BFA fungicide and 2-5% of bentonite, and the sum of all the components is 100%. According to the soil conditioner for improving the organic carbon of the soil, the organic nutrient of humic acid is taken as the main part, the soil conditioner contains rich organic matter, the content of the organic matter in the soil can be effectively increased, a soil organic carbon pool can be improved, soil nutrients are kept balanced, the microenvironment of the soil is improved, crop root growth is stimulated, and the crop quality and yield are improved.

The invention discloses a carbon-based soil conditioner for sticky saline-alkali soil, and relates to the technical field of soil conditioners, and the carbon-based soil conditioner comprises the following raw materials in percentage by weight: 45%-60% of biomass charcoal, 5%-10% of pyroligneous liquor, 10%-15% of humic acid, 5%-10% of phosphogypsum, 10%-15% of furfural residue and 5%-10% of aluminum sulfate. By utilizing the porous structure characteristic of the biochar, the water and fertilizer retention capacity of the soil is improved; by adding the biomass charcoal particles, the soil carbon pool can be increased, soil pores can be increased, the soil viscous structure can be improved, and the soil microbial environment can be improved; the pyroligneous liquor effectively kills soilpathogenic bacteria and prevents and treats soil-borne diseases; the carbon-based soil conditioner is rich in soluble organic carbon and organic acids, and can stimulate crop growth, adjust soil pH, activate medium trace elements, improve soil and improve soil fertility level; the biochemical humic acid can improve the soil structure, improve and fertilize soil and stimulate crop growth; and the furfural residues can effectively reduce the pH of the soil. By adopting the carbon-based soil conditioner, seedling protection, high quality and high yield of crops in viscous saline-alkali soil are realized.

The invention discloses a research method of the biomass distribution characteristics of an emblic leafflower fruit bushwood ecosystem, and relates to the technical field of the biomass distribution research of the ecosystem. The research method comprises the following specific research steps: (1) selecting a proper research area; (2) setting sample plots; (3) processing samples indoor; (4) carrying out data analysis and modeling; (5) obtaining a result, and carrying out analysis on (a) the biomass distribution characteristics of emblic leafflower fruits, (b) different growth parameter characteristics of the emblic leafflower fruits, (c) the biomass distribution characteristics of the emblic leafflower fruits of different branch diameters, (d) the biomass distribution characteristics of the emblic leafflower fruits of different plant heights and (e) the biomass distribution characteristics of the emblic leafflower fruits of different crown breadth areas; and (6) obtaining a conclusion. The research method is of great significance for the understanding of emblic leafflower fruit bushwood in the aspects of the fixation, the consumption, the distribution, the accumulation and the conversion of the substances and the energy of a terrestrial ecosystem and nutrition accumulation of the system and also has a great value in accurately estimating a terrestrial ecosystem carbon pool and carbon exchange.

The invention discloses a microbial fuel cell wastewater treatment system which comprises an iron-carbon pool, a cathode chamber, an iron-carbon reduction pool and an anode chamber, a water inlet pipeis arranged above the iron-carbon pool, an aeration device is arranged at the bottom of the iron-carbon pool, multiple iron-carbon filler layers are arranged in the iron-carbon pool, and gaps are formed between the iron-carbon filler layers; wherein the iron-carbon pool is communicated with the cathode chamber, a cathode is arranged in the cathode chamber, the cathode chamber is communicated withthe iron-carbon reduction pool, iron-carbon filler is arranged in the iron-carbon reduction pool, a reducing agent is added into the iron-carbon reduction pool in the wastewater treatment process, the iron-carbon reduction pool is communicated with the anode chamber, and an anode is arranged in the anode chamber. And a load is arranged between the anode and the cathode.

The invention discloses a method for evaluating the decomposition temperature sensitivity of a soil carbon bank. The method comprises the steps of (1) uniformly mixing different types of soil with biochar respectively, and putting the mixture into a culture bottle; 2) keeping the water content of the sample constant in the whole culture process by using a weighing method; (3) putting the sample and the opening of a small bottle containing alkali liquor into a non-transparent screw sealing bottle, and (4) putting the sealing bottle into two thermostats with different temperatures to be culturedin a dark place, and finally calculating the soil respiration CO2-C content. By adopting the method, the influence of the addition of the charcoal on the decomposition of the active and inert carbonbanks can be known.

The present invention relates to a process and an apparatus for utilizing fossil energy with low carbon emissions, which belongs to a technical field of clean energy and climate mitigation. The present invention is applicable for utilizing fossil, biomass and other carbon-containing fuels in coastal and marine areas to produce clean energy with low carbon emissions to atmosphere and low cost. The process comprises the main steps of carrying out the oxygen enriched combustion and using seawater to scrub the flue gas once to realize carbon capture, and the scrubbing water is recovered to a water quality in accordance with legal requirements and then is discharged into the ocean to realize carbon storage of ocean natural alkalinity, so that the resources of carbon sink and carbon pool in natural ocean are used to reduce greenhouse gases in the atmosphere in a safe and environment-friendly form.