167results about "Carbon dioxide producing fertilisers" patented technology

The invention relates to an effervescent composition of a water-soluble fertilizer and a preparation method thereof. The effervescent composition contains one or a plurality of plant nutrient substances and one or a plurality of compounds which are contacted with water to generate gas. The effervescent composition comprises an optimized proposal that the plant nutrient substance is monopotassium phosphate. The effervescent composition can be also added with acid, a plant growth conditioner, a surfactant, a filler, a disintegrating agent, an adhesive, dye, a lube and the like. The preparation method comprises the following steps: ingredients are weighed, mixed, pulverized, pelletized and dried to obtain the effervescence composition. The effervescent composition can be manufactured through a routine production process, has rapid disintegrating and dissolving (diffusing) speed in the water, does not block a spray head or drip a pipeline, is uneasy to absorb dampness, has high content of effective compositions, low packaging, storage, metering and using cost and high utilization rate of the effective compositions, reduces waste and pollution to environment, is widely applied to economic crops, gardening, lawns and urban landscaping and has wide market application prospect.

The process of producing composite fertilizer with the mixture of ammonia, CO2 and water from melamine producing plant, liquid urea plant and other plant includes pumping the mixture to the fertilizer producing shop, mixing, neutralizing, ammoniating and pelletizing to obtain high efficiency composite fertilizer. The present invention has high economic effect and environment friendship.

This invention provides time-release plant nutrient compositions, oxygen-generating nutrient compositions, and effervescing nutrient compositions, in the forms of powders, capsules, tablets, pellets, and granules. The oxygen-generating agents include peroxides, percarboxylics, percarbonates, and mixtures thereof. This invention provides methods for making the compositions of this invention and methods for fertilizing a plant or a seed and / or providing oxygen to a plant or seed growing in a hydroponics system.

The invention provides an agriculture waste cyclic utilization system which comprises an anaerobic subsystem, a marsh gas treatment subsystem, a solid-liquid separation subsystem, a biogas fluid concentration subsystem and an aerobic composting subsystem, wherein the anaerobic subsystem comprises an anaerobic reactor; the anaerobic reactor is provided with a marsh gas outlet and a solid-liquid outlet; the marsh gas treatment subsystem comprises a gas separation and purification unit; the gas separation and purification unit is connected with the marsh gas outlet of the anaerobic reactor to realize purification of marsh gas and separation of methane from carbon dioxide; the methane and the carbon dioxide which are separated respectively enter a methane storage device and a carbon dioxide storage device; the solid-liquid separation subsystem is connected with the solid-liquid outlet of the anaerobic reactor to realize separation of biogas fluid from biogas residues; the biogas fluid and the biogas residues which are separated respectively enter the biogas fluid concentration subsystem and the aerobic composting subsystem. The cyclic utilization system can cyclically use agricultural wastes, and is high in resource utilization rate.

The invention provides a strawberry high-yield planting method. The method comprises the following steps: (1) selecting cultivating land, preparing the land and building a greenhouse; (2) fertilizing; (3) disinfecting soil; (4) treating seeds; (5) performing field planting; (6) controlling temperature and moisture; (7) harvesting. According to the planting method, strawberry seeds are aired and cultivated after peeling, so that the germinating rate of seeds is increased effectively, and the germination cycle of the seeds can be shortened; an organic-inorganic compound fertilizer which comprises a core fertilizer and a coating layer coating the surface of the core fertilizer is adopted; a dual-layer structure is adopted, so that the slow-release effect is more remarkable, and the fertilizer efficiency lasts long; strawberries are planted in the greenhouse without being influenced by weather; a carbon dioxide gas fertilizer is applied in a planting process, so that photosynthesis in the greenhouse is enhanced, and the yield of the strawberries is increased; the core fertilizer is rich in trace elements, so that the nutrient value of the strawberries is increased, fertilizer components are friendly to soil, the production cost is low, market popularization is facilitated, and a good economical benefit is achieved.

The invention provides a method for treating sludge and extracting organic substances by using microwave. The method comprises the following steps of: 1) adding an alkali solution into concentrated sludge from a secondary sedimentation tank of a sewage treatment plant in an adjusting tank, controlling the water content to be between 85 and 93 percent, controlling the pH value to be 8-11, and stirring and mixing for 10 to 30 minutes to obtain a sludge solution; 2) putting the sludge solution stirred and mixed in the 1) into a pressure container, and heating the sludge solution to the temperature of between 110 and 150 DEG C for 40 to 60 minutes by using a microwave generator of which the frequency is 915MHz to 2.45GHz to obtain a sludge mixed solution; and 3) cooling the sludge mixed solution in the 2) to the temperature of between 70 and 90 DEG C by flash evaporation, and separating solid and liquid. The method for extracting protein is quick, energy-saving and low in cost.

The present invention relates to environment-friendly, synergistic carbon-nano complex fertilizers comprising carbon-containing-fertilizer. The complex fertilizers comprise carbon nanomaterials, which have the particle size in a range from 5 nm to 200 nm and particularly 5 nm to 100 nm, and optional ammonia stabilizer or nitric acid reductase inhibitor. The weight ratio of the carbonic fertilizer and the carbon nanomaterials is in a range from 100:0.1 to 100:1. The weight ratio of the carbon-containing-fertilizer and the ammonia stabilizer or nitric acid reductase inhibitor is in a range from 100:0.1 to 100:1. Said carbon-containing-fertilizer is ammonium bicarbonate, urea, or a combination thereof. The complex fertilizers show synergistic emission reduction. The present invention also relates to compound fertilizers, which comprise said complex fertilizer and organic fertilizer.

The invention provides a agaricus bisporus cultivation material manufacturing method and a cultivation method, and the manufacturing method comprises the steps of the preparation of the cultivation material, bag packaging to obtain a bar, disinfection, inoculation, sterilization and fruiting; the formula of the cultivation material comprises 70% bran, 10% wheat bran, 2.5% quicklime, 1% gesso, 8% corn flour, 6% lima bean powder, 2% potato powder, 0.03% sulfate, 0.04% zinc sulfate, 0.08% calcium superphosphate, 0.2% glucose and 0.15% vitamin D; trace element and vitamin necessary to human body are added into the cultivation material, thereby raising nutrition components for the agaricus bisporus and providing a beneficial environment for agaricus bisporus's growing; a black cultivation bag is used for packaging, which is more suitable for creating a dark wet environment and the agaricus bisporus is whiter than a white plastic foil and has a much better color; and the bar is put in a production environment which is more suitable for agaricus bisporus's growth, thereby raising agaricus bisporus's output.

The invention relates to periodic fermentation of agricultural organic waste and application thereof in facility cultivation. According to the invention, agricultural organic waste is subjected to biologic fermentation in a facility tunnel through adding high-efficiency microbial stains so as to apply carbon dioxide gas fertilizer to protectorate crops, therefore, the problem of the serious lack of carbon dioxide in current facility cultivation is solved fundamentally; fermentation residues are fermented for the second time in field by adding microbial antibiological inoculant and are directly composted to prepare biological organic fertilizer, therefore the problems of serious tunnel soil degeneration, continuous cropping obstacles and the like in facility cultivation can be solved; through reasonable carbon cycle of the agricultural organic waste, the problem of ecological environment pollution caused by the organic waste can be solved, and the practical production problems in facility cultivation, such as serious carbon dioxide lack, soil degeneration and the like, can also be solved; moreover, pollution sources are changed into valuable resources, agriculture production with the characteristics of no pollution, lowest pollution emission and waste recycling can be achieved; therefore, the periodic fermentation of agricultural organic waste and the application thereof in facility cultivation are significant for the sustainable development of facility agriculture and the construction of new socialist countryside.

The invention discloses the method and equipment of the amylum and alcohol wastewater comprehensive utilization. The method is that: the wastewater with high concentration flowing out from an ethanol distillation tower or an amylum pool first passes through an up-flow reactor to interact with the anaerobe in the reactor; the sediment settles in the reactor and is sent to marsh gas tank for fermentation or works as the maggot feed; the clear liquid enters the counterimpact jet gas mixing device and then enters an oxidation pond after absorbing the CO2 collecting from an alcohol fermentor; the aquatic energy crops with high yield are planted in the oxidation pond and can work as feed after harvest; the clear water can work as the production cooling water or is used for cleaning the equipments; the waste rootstalk after the aquatic energy crops are harvest, the animal wastes in the feeding farm and the residua are sent to the marsh gas tank for fermentation together; the marsh gas is used for the firing boiler to produce steam or is directly led in the direct-fired gas generator. The invention can treat the crude amylum with high concentration and difficulties, alcohol wastewater and wastes to be used at present, thereby can reach the demand of the power supply of the basical production and life.

The invention belongs to the technical field of planting industry, and discloses an automatic adjusting device and a method for concentration of CO2 in a greenhouse environment. The device comprises a CO2 gas control module, wherein an input end of the CO2 gas control module is respectively connected with a light intensity sensor and a CO2 concentration sensor; an output end of the CO2 gas control module is connected with a CO2 gas generating module; the light intensity sensor is used for collecting light intensity of the greenhouse environment; the CO2 concentration sensor is used for detecting CO2 concentration in the greenhouse environment; and the CO2 gas control module controls the CO2 gas generating module to discharge CO2 gas according to the light intensity and the CO2 concentration. According to the technical scheme of the invention, the feeding quantity of CO2 required by plants can be controlled accurately, the structure is simple, and the implementation is easy.

The invention provides a special fertilizer for mulberry trees, belonging to the technical field of organic fertilizers. The fertilizer comprises the following raw materials in parts by weight: 80-100 parts of fermented poultry and livestock excrement, 30-50 parts of humic acid, 60-80 parts of silkworm excrement, 20-30 parts of weathered coal, 1-3 parts of boron fertilizers, 3-5 parts of ferrous sulfate, 5-10 parts of ammonium molybdate, 30-50 parts of river mud, 5-10 parts of EM (effective microorganisms) and 50-80 parts of waste tea dregs. The special fertilizer for mulberry trees is reasonable in proportioning, is nutritious and efficient, can fully provide the nutrient elements required for growth of the mulberry trees, is beneficial for the mulberry trees to absorb, and has the effects of preventing soil hardening and greatly increasing the leaf forming quantities of the mulberry trees.

The invention discloses a straw mushroom cultivating method using a tunnel fermentation medium. The method comprises the steps that by weight, 7-8 parts of needle mushroom dregs and 2-3 parts of waste cotton are placed into a stirrer, quick lime accounting for 3%-6% the total weight of the culture medium is added, water is added, and the mixture is stirred, so that the water content of the culture medium is controlled within 65%-70%, and the pH value is controlled within 8-9; through tunnel fermentation, straw mushrooms are cultivated through inoculation, spawn running, cultivation and fruiting. The straw mushroom cultivating method has the advantages that 70%-80% waste cotton is replaced by the needle mushroom dregs, so the physicochemical property of the culture medium is improved, the culture medium becomes suitable for the mechanical mode of the stirrer, a traditional soaking and trampling mode is replaced, and environmental protection is facilitated; meanwhile, the dependence on the waste cotton is reduced, and therefore the production cost is lowered; a lot of energy consumption is lowered in the process of fermenting the culture medium through a ventilated fermentation tunnel and in the process of completing pasteurization through fermentation heat; meanwhile, nutrients of the culture medium are more easily absorbed by the straw mushrooms in the fermentation process, and therefore yield benefits are increased.

The invention relates to a method for producing a potassium-based fertilizer or a nitrogen-based fertilizer by a flue gas treatment process. Besides, the invention relates to a method for separating a fertilizer precursor from a flue gas flow. The method comprises an oxidation step including dry adsorbent operation, wet washing operation and removing air pollutants, a carbon dioxide trapping step and a sodium bicarbonate sedimentating step. The step comprising removal of the air pollutants is used for separating the precursor, and the precursor is used for fertilizer production. Besides, the invention relates to a method for removing carbon dioxide from the flue gas flow.

The present invention relates to an organo phosphatic fertilizer and to method for preparing the same. The method comprises treating, and optionally dehydrating, mixing it to a mineral fertilizer in a proportion of 40% to 90% of pig manure for 10 to 60% of mineral fertilizer and pelletizing the mixture.

The invention discloses a method for additionally applying a carbon dioxide air fertilizer to a warm-house booth through agricultural organic waste fermentation. The method comprises the following steps of: uniformly adding microorganism fermentation species in an amount of 0.3 percent of the weight of a fermentation substrate into the fermentation substrate, wherein the mixture of crop straw and animal manure is taken as the substrate, and the ratio of C to N in the substrate is 40 / 1; putting the mixture into a simple fermentation barrel; directly fermenting in the warmhouse booth to release the carbon dioxide air fertilizer; after fermenting for about 3 weeks, taking a part of fermentation waste residues out of the bottom of the simple fermentation barrel; adding a part of new substrate and species from top of the sample fermentation barrel; and keeping the concentration of the carbon dioxide air fertilizer in the warm-house booth at least at 800 mumL / L. Organic waste causing severe pollution on the ecological environment is subjected to reasonable carbon cycle, so that the pollution of the organic waste on the ecological environment can be avoided, and the practical production problems of severe lack of CO2 in warm-house booth cultivation, soil deterioration and the like are solved, the pollution is avoided, C and N resources are utilized fully, and the economic benefit and social effect are remarkable.

The invention provides a selenium enrichment cultivating method for Pennisetum sinese Roxb. The selenium enrichment cultivating method for Pennisetum sinese Roxb includes the following steps that base fertilizer containing Huifengyuan biological fertilizer is applied to a field, Pennisetum sinese Roxb seedlings are transplanted into the field, then field water and fertilizer cultivation and management are conducted, and selenium fertilizer is sprayed to leaf surfaces; the selenium fertilizer is prepared from, by weight, 2-3.5 parts of sodium selenite, 1.5-2 parts of ammonium molybdate, 4-5.0 parts of chelating iron, 5.0-6 parts of borax sand and 4-5.0 parts of monopotassium phosphate. The purpose of Pennisetum sinese Roxb selenium enrichment is achieved through root selenium supplementing and leaf surface selenium supplementing, and high-yield and high-nutrition protein selenium-enriched forage grass is provided for development of selenium-enriched animal husbandry.

The invention relates to a tail gas recycle and integrated utilization method, which prepares the smoke of coal boiler via temperature decreasing, de-rusting, dry method or wetting desulfuration denitration method, and finished desulfuration denitration into gas, liquid and solid carbon dioxide product to apply agriculture and forest.

The invention relates to a device for supplying heat and recovering carbon dioxide by using fermented manure. A water pipe is arranged on the top of a fermented manure tank; the water pipe is connected with a water supply valve and used for sprinkling water to improve the humidity of fermented manure materials; the bottom of the fermented manure tank is provided with an air vent which is connected with an air compressor through an air pipeline; capillary water paths are arranged in the fermented manure tank at intervals; the capillary water paths are connected with a pipeline to form a closed loop; the pipeline is connected with an external heat supply pipeline; a heating module is arranged on the pipeline, and a temperature probe is arranged in the pipeline; a humidity probe is arranged at a 1 / 3 position of the lower part of the fermented manure tank; the temperature probe and the humidity probe are respectively connected with a PLC (Programmable Logic Controller); the PLC is connected with the water supply valve, the heating module and the air compressor. The device disclosed by the invention not only can be used for obtaining heat generated in a composting process, controlling the temperature in the manure in an appropriate level to create a most appropriate composting environment and shortening the fermented manure composting time, but also can be used for recovering carbon dioxide formed in an oxidation process as a gaseous fertilizer.

The multiple effect CO2 fertilizer consists of two components, the component A is ammonium bicarbonate and the component B is potassium bisulfate and / or sodium bisulfate. It is suitable for applied to crop in protecting field and has the advantages of reliable effect, easy application, low cost, safe storage, etc. Its application time, site and CO2 density inside the green house may be controlled as required. The residuum after releasing CO2 is solid quick acting fertilizer capable of meeting the need of crop and without may residual pollutant.

The present invention relates to a thermal decomposition carbonic acid hydrogen ammonia method, the ammonium bicarbonate and water are mixed with a certain proportion and are heated in the reaction device, the ammonium bicarbonate is leaded to decompose and the alkaline air and carbon dioxide are discharged; after water filtration the alkaline air is dissolved into the water to form the nitrogenous fertilizer, and the carbon dioxide is discharged to the greenhouse to be used as gas fertilizer. The invention has the following beneficial effects: the operation is convenient, quick and safe; NH4HCO3 is converted to aqueous ammonia and CO2, the aqueous ammonia is applied along with water or is ploughed under the farmland after mixing with the farm manure to remain the function of the nitrogenous fertilizer, the CO2 decomposed from NH4HCO3 is fully used and the cost of using CO2 gas fertilizer is reduced, and the output value can be added for 20% above; the directly inputting of NH4HCO3 to the farmland and the emitting of CO2 are avoided and the environment protecting is facilitated.

The invention discloses a coating controlled-release carbon dioxide air fertilizer and a preparation method thereof, which belongs to fertilizers and fertilizer preparation methods, particularly fertilizers capable of producing carbon dioxide and preparation methods thereof. According to the preparation method, aluminum sulfate and light calcium carbonate are respectively pelleted and coated and then are uniformly mixed in parts by weight ratio of 2.2:1, the mixture is packaged in a sealing manner, and the two raw materials of the product are respectively coated so as to be separated in the storage and transportation process and be prevented from reacting, so that the storage time of the product can be effectively prolonged. The coating controlled-release carbon dioxide air fertilizer is uniform in particle and long in quality guarantee period and can react to give off pure carbon dioxide when encountering water. The preparation method has the characteristics of time and labor saving, economy, practicability and the like.

Disclosed is an edible mushroom cultivation method with reed substituting for cottonseed hull. Applied cultivation materials are composed of, by weight proportion, 48-52 of reed chips, 33-37 of corncob powder, 8-12 of wheat meal or corn meal, 2-4 of bean pulp, 0.5-1.5 of diammonium phosphate powder and 0.5-1.5 of lime powder. The method comprises the specific steps of, firstly, preparing the reed chips through crushing and fermenting processes; secondly, performing pretreatment on the corn meal or the wheat meal; thirdly, uniformly mixing the materials in a mixer, during mixing, feeding carbon dioxide into a mixing barrel; fifthly, bagging the materials; lastly, performing sterilization and inoculation. The invention also discloses a reed crushing device. The edible mushroom cultivation method with the reed substituting for the cottonseed hull has the advantage of, without the cottonseed hull as the raw materials, reducing the costs and avoiding the problems such as high pesticide residue, and during mycelial growth, being proper in nutrition, reducing contamination during edible mushroom cultivation, increasing the content of carbon dioxide in bags and being promising in mushroom bag production.

A method and an apparatus for processing organic material, the method employing at least two reactors and including the steps of combining carbon dioxide or carbon-dioxide containing gas and ammonia or ammonia-containing material in a first reactor to form a buffer compound / buffer compounds, then feeding the buffer compound or buffer compounds formed in the first reactor into a second reactor, and performing bioconversion on organic material in the second reactor. In that case, the carbon dioxide of the mixed carbon dioxide gas reacts with the ammonia, forming a buffer compound, such as ammonium bicarbonate and / or ammonium carbonate.

This invention discloses a CO2 liquid fertilizer containing 0.14% CO2 concentration and pH=6.0 including the following weight ratio formula: CO2 0.14%, KHCO3 0.005%, Mg(HCO3)2 0.005% and water. The preparation method includes: putting a liquid CO2 cylinder produced by plant slowly into a water tank filled with clean water to produce CO2 solution approaching saturation.