9results about How to "Accelerate decomposition and conversion" patented technology

The invention discloses a biogas purification and heat supply method for boiler combustion, and relates to the technical field of biogas heat supply, the method comprises the following specific steps: biogas collection and primary treatment: collecting biogas from a biogas generation source, enabling the biogas to pass through a primary filter device with a filter screen with specific mesh number, removing dust and solid residue impurities, and performing secondary treatment; by introducing the magnetic field to assist the purification process, the purification efficiency of the biogas can be remarkably improved, magnetic impurity particles in the biogas can directionally move and gather under the action of the magnetic field, so that the magnetic impurity particles are more easily removed by a physical separation means, and meanwhile, the magnetic field can promote the activity and reaction rate of substances participating in the purification reaction, so that the purification efficiency is improved. By means of the magnetic field, decomposition and conversion of impurities are effectively accelerated, the biogas is more thoroughly purified, the quality of the biogas subjected to auxiliary purification of the magnetic field is remarkably improved, the impurity content is greatly reduced, the biogas can be more sufficiently combusted in the follow-up combustion heat supply link, more heat is released, and the combustion efficiency is improved.

The invention belongs to the field of fertilizers, and particularly relates to a soil conditioner and application thereof. The soil conditioner is prepared from the following components in parts by weight: 20 to 60 parts of biochar, 10 to 50 parts of silicon-calcium-potassium-magnesium, 10 to 30 parts of bentonite, 15 to 35 parts of surfactant and 3 to 15 parts of biostimulant, the surfactant comprises one or more of sodium lignin sulfonate, sodium taurine laurate or rhamnolipid, and the biostimulant comprises one or more of humic acid, chitosan, trehalose or polyglutamic acid. The conditioner is prepared by compounding a plurality of surfactants and biostimulant, and has three significant soil conditioning properties of ventilation, fertility increase and water retention. The soil conditioner can break soil hardening, loosen soil, improve soil permeability, reduce soil bulk density, promote soil microbial activity, enhance soil fertilizer and water permeability and improve crop yield.

The invention provides a two-phase aerobic fermentation device and an application method thereof. The device integrates a raw material pretreatment system, a feeding system, an aeration system, a stirring system, a heating and heat preservation system, a leachate backflow system, a decomposition bin, a decomposition bin, a waste gas treatment system and an intelligent control system. The method comprises the following steps: S1, raw material pretreatment; s2, metering and feeding the raw materials; s3, performing high-temperature aerobic decomposition; s4, medium and low temperature post-decomposition; s5, waste gas collection treatment; and S6, product discharging quality control. According to the method, aerobic fermentation is divided into a catabolism phase and an anabolism phase by taking a high-temperature period in a typical aerobic fermentation temperature change curve as a boundary, and decomposition-anabolism of aerobic microorganisms is enhanced by regulating and controlling a microenvironment in a split-phase manner, so that the aerobic biological treatment efficiency is effectively improved, and retention of different functional bacteria in a system is facilitated. The bottleneck problems of large occupied area, long period, low fertilizer efficiency, low functional strain preservation amount and the like of aerobic fermentation are solved, and safe and efficient resource conversion is realized.

This application relates to the field of wastewater treatment technology, specifically providing a method and system for the synergistic oxidation-reduction coupling treatment of ethylthionitrogen-C-N-S in mineral processing wastewater using a MABR oxygen stratification process. This method and system innovatively develops a time-sequential dissolved oxygen (DO) dynamic control strategy: by periodically / pulsally switching anaerobic-hypoxic-aerobic conditions, the oxidation and ammonification reactions of ethylthionitrogen are directionally enhanced, and the toxic inhibitory effects of intermediate products on functional bacteria are eliminated. Based on this strategy, the system can precisely utilize the spatial distribution of the biofilm oxygen gradient within a single MABR reactor to achieve a cascade reaction of ethylthionitrogen: "sulfur oxidation-ammonification → aerobic nitrification → anoxic denitrification"; or, for high-concentration ethylthionitrogen (>50 mg / L), it can couple a pre-anaerobic reactor to enhance ammonification detoxification and denitrification.

The invention discloses a method for preparing a biological fertilizer by using a high-purity threonine preparation process, and relates to the technical field of biological fertilizer preparation, and the method has the advantages that a specific adsorption slow-release agent is prepared, the specific adsorption slow-release agent is prepared from nano-scale hydroxyapatite and polyglutamic acid, and the specific adsorption slow-release agent is prepared from the nano-scale hydroxyapatite and the polyglutamic acid; the nano-scale hydroxyapatite strongly adsorbs threonine, nutrient components such as nitrogen, phosphorus and potassium and trace elements such as iron, zinc and copper in the fermentation waste liquid by virtue of high specific surface area and good adsorption performance, and is gradually degraded along with the action of microorganisms in soil and the change of the surrounding environment of a plant root system in the use process of the biological fertilizer; nutrients are continuously provided for different growth stages of plants, so that resource waste is effectively reduced, long-acting and stable supply of nutritional ingredients is realized, and rapid loss of the nutrients is avoided, so that the utilization rate of the fertilizer is remarkably improved, fermentation waste liquid which is possibly abandoned originally is successfully converted into valuable biological fertilizer resources, and environmental pollution is reduced. And continuous power and solid guarantee are provided for healthy growth of plants.

The utility model relates to the technical field of activated carbon regeneration, provide a kind of device for powder activated carbon regeneration, it include: bucket and filter box, further include: separation component, set in the inside of the bucket, for the separation of impurities, separation component includes: rectangular groove, open in the outer surface of the filter box near lower end, the inside of the rectangular groove is provided with filter screen plate;Rotary component, set in the inside of the bucket, by the limiting plate fixed mounting of filter box outer surface embedding the inside of bucket, with positioning plate is connected, the inside of bucket has chemical reagent, chemical reagent enters from the filter hole of filter box outer surface opening, and mix with the powder activated carbon in inside, chemical reagent will the pollutant on powder activated carbon decompose conversion, powder activated carbon is regenerated and handled, the lower end of filter box is provided with rectangular groove, filter screen plate is movably embedded in the inside of rectangular groove, filter screen plate can separate powder activated carbon from the precipitate impurities after dissolving.

The present invention provides a livestock and poultry manure hydrolyzed fertilizer and a preparation method and application thereof. The preparation method of the livestock and poultry manure hydrolyzed fertilizer comprises the following steps: (1) mixing livestock and poultry manure, a catalyst and water to obtain a mixture; (2) heating the mixture for hydrolysis, filtering the obtained filtrate to obtain the livestock and poultry manure hydrolyzed fertilizer. The livestock and poultry manure hydrolyzed fertilizer preparation method provided by the present invention can reduce the discharge of manure waste and promote resource utilization. Compared with the livestock and poultry manure hydrolysis process in the prior art, the product has moderate pH, high content of water-soluble organic matter and organic nitrogen nutrients, and can significantly improve crop yield and quality when used as soil fertilizer and foliar fertilizer.

The utility model discloses integrated kitchen waste rapid fermentation treatment equipment, which belongs to the technical field of kitchen waste rapid fermentation, and adopts the technical scheme that the integrated kitchen waste rapid fermentation treatment equipment comprises a mounting frame, the front side of the mounting frame is movably connected with a fermentation mechanism, and the right side of the fermentation mechanism is fixedly connected with an auxiliary mechanism; the inner wall of the mounting frame is fixedly connected with a conveying mechanism; the fermentation mechanism comprises a servo motor, a fermentation bin, a fixed shaft, a stirring rod, a heating pipe and a discharging pipe, the fermentation bin is movably connected to the front side of the mounting frame, the servo motor is fixedly connected to the top of the fermentation bin, the stirring rod and the heating pipe in the fermentation mechanism are arranged, the stirring rod is driven by the servo motor to stir kitchen waste, and the stirring rod is driven by the fixed shaft to stir the kitchen waste; the materials and the microbial agent are fully mixed, fermentation is promoted, the heating pipe increases the temperature in the fermentation bin, a proper growth environment is provided for microorganisms, the fermentation speed is increased, and the fermentation efficiency is improved.

The invention provides a preparation method of oil-absorbing moisture-absorbing anti-skid sawdust applied to a kitchen waste machine, which comprises the following steps: crushing wood in a crusher to obtain sawdust, drying the sawdust in a dryer at low temperature to obtain dried sawdust, cooling the dried sawdust, putting the cooled sawdust in a stirrer, adding compound bacterial sludge, and stirring to obtain the oil-absorbing moisture-absorbing anti-skid sawdust. And starting the stirrer to fully mix the sawdust and the composite bacterial sludge to obtain the composite sawdust. Firstly, the prepared composite sawdust is put into a kitchen waste machine, then the kitchen waste is put into the kitchen waste machine, the kitchen waste machine is started for crushing, sewage and oil water seeping in the crushing process are absorbed by the composite sawdust, the sewage and the oil water are decomposed and degraded by the composite bacterial sludge in the composite sawdust, the situation that the environment is polluted when the kitchen waste serves as waste is prevented, and the environmental protection performance is improved.