78results about How to "Reduce decomposition time" patented technology

The invention discloses a method for producing organic fertilizers by using microbial fermentation of fungi dregs and poultry feather. According to the method, the production of organic fertilizers are implemented based on a series of steps including pretreatment of raw materials, preparation of a microbial fermentation zymophyte agent, treatment of edible fungi residues and poultry feather. The method is not only simple and convenient in operation, easily popularized, and requires small energy consumption and low treatment cost, but also edible fungi residues and poultry feather are changed into values, the obtained organic fertilizer is a high-efficient environment-friendly green fertilizer, and the technical indexes of the organic fertilizer meet the regulations of the professional standard of Agriculture Ministry NY525-2012 Organic Fertilizers.

A process for preparing aluminum hydroxide from sodium aluminate solution by electrolysis includes such steps as adding sodium aluminate slurry into the electrolyzer with anode made of Ti, cathode made of Ni or stainless steel and Na ion membrane, electrolyzing, adding crystal seeds to the solution in anode region to preare aluminum hydroxide, and using the solution in cathode region to extract from ore. The high-purity H2 and O2 can be also generated and used for H-O fuel battery.

The invention relates to a method for preparing spherical Bayer stones. The method comprises steps that: (1) an aqueous solution of sodium bicarbonate and a sodium aluminate solution are respectively added into a continuous crystallization reactor; a reaction is carried out under a temperature of 40-60 DEG C, and an average residence time is 45-90min; when the reaction reaches a steady state, a Bayer stone solid suspension solution is obtained, wherein the adding speed of the aqueous solution of sodium bicarbonate is 4.26-8.7mL/min; the adding speed of the sodium aluminate solution is 1.1-2.9mL/min; and the molar ratio of sodium bicarbonate to sodium oxide in aluminate is 0.90:1-2.59:1; (2) the suspension solution obtained in the step (1) is subject to solid-liquid separation; a solid phase and a liquid phase are collected; the solid phase is washed and dried, such that a Bayer stone product is obtained; (3) carbon dioxide gas is delivered to the liquid phase obtained in the step (2),such that a sodium bicarbonate solution is obtained; the produced sodium bicarbonate solution is used in the step (1), and the steps (1)-(3) are repeated. The method provided by the invention is advantaged in that: with the method, the prepared Bayer stones have regular spherical shapes and uniform particle distribution.

The invention discloses a chilli sauce preparing method and chilli sauce. Dry vegetable powder and dry fruit powder are used as raw materials and are obtained by dewatering and drying fresh fruits and fresh vegetables with a vacuum freeze dryer without adding any preservative, water in fresh fruits and fresh vegetables is directly sublimated into water vapor from solid ice in the vacuum freezing environment to be evaporated, dried fresh fruit particles and fresh vegetable particles are obtained, and nutrients in fresh fruits and fresh vegetables are not damaged. The chilli sauce prepared from dry vegetable powder and dry fruit powder does not require preservative and is easy to store. The dry vegetable powder and dry fruit powder can be easily matched with meat to obtain different kinds of chilli sauce products, nutrients are more balanced, and diversified development of chilli sauce products can be achieved.

The invention provides a sandy alumina preparation method which includes the following steps: a. sodium bicarbonate is added to sodium aluminate solution and is stirred for 10 minutes-4 hours at the temperature of 30-90 DEG C to obtain aluminum hydroxide solid suspension; b. Aluminum hydroxide solid suspension receives solid-liquid separation to respectively collect solid phase and liquid phase, the solid phase is calcined to obtain sandy alumina; c. carbon oxide gas is introduced to the liquid phase obtained in step b to produce sodium bicarbonate solution, and then the sodium bicarbonate solution is used for the steps a. the sandy alumina preparation method can prepare qualified sandy alumina products; the decomposition time of sodium aluminate solution is greatly reduced; seed crystals have no need to be added to the system and the aluminum recovery rate is greatly improved; In addition, the carbon dioxide gas is adopted to realize the regeneration of sodium bicarbonate for the recycling of sodium bicarbonate.

The invention discloses a process for preparing high natural apple essence comprising the steps of, squashing, enzyme treatment, squeezing, heating separation, scent scouring segregation purification, condensation, circulation scent extracting and purification segregation, and end product packaging.

The invention discloses a shell and movement decomposition device of an airplane pyrometer, and belongs to the technical field of aviation repair. The shell and movement decomposition device comprisesa base, a first support, a second support, a clamp ring, a screw and an annular copper pipe type welding ring. The first support is fixed to the base, and the airplane pyrometer is horizontally fixedto the first support. The second support is fixed to the base. The clamp ring is mounted in a through hole of the second support in a sleeved manner. The end, away from the airplane pyrometer, of theclamp ring stretches out of the second support. The screw and the clamp ring are in threaded fit. When the screw axially moves to the position of a movement plug of the airplane pyrometer, a clamp sleeve of the screw cooperates with the movement plug of the airplane pyrometer. The annular copper pipe type welding ring is mounted to the welding position of a shell and a movement of the airplane pyrometer in a sleeving manner and is connected with high-frequency induction heating equipment. Efficient and safe decomposition of the welding position of the shell and the movement of the airplane pyrometer can be achieved.

The invention relates to the technical field of garbage treatment, in particular to a novel short-process resourceful treatment process for kitchen garbage. The novel short-process resourceful treatment process comprises the following steps that after the kitchen garbage is collected and transported into a factory, materials are subjected to centralized and rapid three-phase separation through anefficient pretreatment system, separated solid-phase materials are subjected to aerobic composting treatment, a product obtained after composting treatment is organic coarse fertilizer, and then the organic coarse fertilizer is subjected to fine processing treatment to be prepared into solid organic fertilizer; impurities separated in the composting process are sent to a refuse landfill to be subjected to landfill treatment or incineration treatment, separated grease provides a qualified raw material product for biodiesel, a separated liquid phase is subjected to anaerobic fermentation to generate a large amount of biomass biogas, and the biomass biogas can be used as fuel of a boiler to provide heat energy and electric energy for a plant area; and as for biogas slurry digested by an anaerobic system, one path of the biogas slurry is adjusted back to the aerobic composting system for humidity and strain adjustment, the other path of the biogas slurry is processed into composite microbial liquid fertilizer for sale, and treated wastewater is discharged after reaching the standard. Waste gas generated in the whole treatment process is biologically deodorized and then discharged afterreaching the standard.

A method and apparatus for a steam biomass reactor converts organic waste placed inside a sealed steam injected reactor to biogas (methane CH₄ and carbon dioxide CO₂). The amount of liquid introduced into the reactor can be minimized, increased methane and CO₂ can be produced, and the methane produced can have higher Btu values as compared to methane produced in other reactors. Some embodiments provide a method of injecting steam into a sealed vessel that is loaded with organic waste and collecting the methane produced by accelerated decomposition/biodegradation of the organic component of the waste within the vessel. The steam accelerates the decomposition of the organic refuse, thereby enhancing the production of methane gas and CO₂.

The present invention discloses waste aluminum slag improved alumina producing Bayer process with diaspore. Specifically, in the diluting step and while adding red mud washing liquid, aluminum slag is added, with the added amount being 20-80 kg for each cubic meter of high pressure leached slurry. The present invention has the advantages of the comprehensive utilization of waste aluminum slag, improved alumina producing process, saving in resource and environment friendship. The method of adding waste aluminum slag is superior to the method of adding gibbsite.

The invention relates to the technical field of signal processing, and provides an ultrasonic signal processing method based on CEEMDAN combined wavelet packet threshold, which comprises the following steps of: 1, generating an excitation signal by using an electromagnetic ultrasonic transducer to detect an aluminum plate, and receiving an original signal of an ultrasonic lamb wave by using a receiving transducer on the other side of the aluminum plate; step 2, determining input parameters of complete set empirical mode decomposition of adaptive noise according to the obtained original signals of the ultrasonic lamb waves; step 3, according to the determined input parameters of the CEEMDAN, performing CEEMDAN decomposition to obtain n IMF components from high frequency to low frequency; 4, determining a k value through a correlation coefficient method; step 5, wavelet packet threshold processing is carried out on the first k-1 IMF components; and step 6, performing signal reconstruction on the IMF after threshold processing and the reserved IMF. The method can improve the signal processing efficiency and reduce the decomposition time.

The invention relates to the technical field of resource utilization of traditional Chinese medicine residues, in particular to a method for preparing a biological fertilizer by utilizing traditionalChinese medicine residue waste containing fat, saponins and proteins; the method comprises the steps of rinsing, centrifugal dewatering, constant-temperature low-pressure hydrolysis, enzymolysis, fermentation and the like. The method solves the problems of long period, incomplete fermentation and secondary pollution of the fertilizer prepared from the traditional Chinese medicine residues at present, the biological fertilizer prepared by the method plays a role in both pesticide and fertilizer, and the traditional Chinese medicine residues of plants are truly absorbed and utilized completely.

The invention relates to a method for removing hypochlorite and ferric iron interference in thiocyanate measurement, and belongs to a method for measuring thiocyanate in water. The method has the following beneficial effects that the reducibility of excessive hydrogen peroxide is utilized to react with pypocholoride in a sample so as to eliminate interference of pypocholoride; excessive hydrogen peroxide reacts with thiocyanate under an acidic condition, so that the excessive hydrogen peroxide needs to be eliminated, hydrogen peroxide does not react with thiocyanic acid under an alkaline condition, under the catalytic action of manganese dioxide, hydrogen peroxide is promoted to be rapidly decomposed, and when the pH value is adjusted to 10-12, the catalytic efficiency of manganese dioxideis the highest; manganese dioxide is insoluble under the alkaline condition, and the catalyst can be repeatedly used; copper chloride is adopted as a catalyst promoter, so that the catalytic efficiency of manganese dioxide is improved, the decomposition time of hydrogen peroxide is shortened, hydrogen peroxide is thoroughly destroyed, and the influence of ferric iron is masked by utilizing ascorbic acid; and the problem that thiocyanate in water containing pypocholoride and ferric iron cannot be accurately determined is solved.

The invention relates to a synthetic method of fluorine-containing aromatic compounds. The method comprises the following steps: adding aromatic compounds to a fluorination reagent in a refrigerating low-temperature closed reactor in a dropwise manner, stirring and mixing to form a fluorine salt solution, adding a diazotization reagent to the above synthesized fluorine salt solution, and standing and layering the obtained solution; and transferring a lower layer diazo liquid obtained after standing and layering to a low temperature container, heating an upper layer organic phase to a diazo salt decomposition temperature, adding the diazo liquid in the low temperature container to the heated organic phase, and carrying out a decomposition reaction to obtain a decomposed organic layer organic phase which is the corresponding fluorine-containing aromatic compounds. Use of solvents in the reaction reduces side reactions and the generation amount of tar in the reaction process and reduces the loss of hydrogen fluoride; and dropwise addition of the decomposed diazo salt is carried out, so the decomposition heat release amount is easily controlled, the operation safety is improved, the decomposition temperature is constant, the decomposition time is greatly shortened, the decomposition speed is controller, and the method is suitable for industrial production.

The invention relates to the technical field of garbage treatment, and discloses a kitchen garbage fermentable treatment device. The kitchen garbage fermentable treatment device comprises a fermentation tank, a feeder, a temperature and PH value detector, a one-way valve, a biogas storage device and a deodorization device. Biogas generated by fermenting kitchen garbage is accumulated in the fermentation tank, then ascends, and then pushes a rotating impeller, so power is transmitted to the stirring impeller through a transmission device; the stirring impeller is enabled to stir the kitchen garbage at a certain speed in the fermentation tank, so the spreading and heating uniformity of the biogas in the fermentation tank is improved, and meanwhile, the emission and ascending rate of the biogas is increased; and thus, a biogas collection speed is accelerated, and the decomposition rate of the kitchen garbage is increased. Hot water in a sterilization tank is introduced into the fermentation tank to heat the fermentation tank and keep an optimal reaction temperature, so the decomposition rate is further increased, and decomposition time is shortened; and thus, kitchen garbage treatmentefficiency is further improved, the utilization rate of biogas is increased, the consumption of external energy sources is reduced, and garbage treatment cost is lowered.

The invention discloses a microorganism mediated distillers' grain, straw and coal gangue full-element bio-organic fertilizer production technology and system. The technology comprises the following steps of 1, straw processing, wherein straw is secondarily crushed for use; 2, tailing processing, wherein air is introduced into a distiller's grain, ethyl alcohol is made to generate acetic acid, existing starch is made to react to generate acetic acid, and tailings are acidified or resolved or partially resolved; 3, granulation, wherein a mixture of tailings and distiller's grain obtained in step 2 passes through a spiral conveyor and is conveyed together with secondarily-crushed straw obtained in step 1 into a mixture fermentation tank, after 3-5 days, materials are turned, and while the materials are turned, decomposition cellulose and tailing functional flora are sprayed to the mixture; after fermentation decomposition is performed for 5-12 d, after granulation is performed, drying isperformed to obtain a finished product. The technology and system can obtain organic fertilizer with high fertility, and the production period is short.

The invention discloses a domestic water treatment device, comprising a casing with an inlet and an outlet, wherein the water inlet is arranged on the bottom of the casing, the water outlet is arranged on the top of the casing, and the casing is characterized in that: a nanometer titanium dioxide-supported catalytic reactor and a waterproof lighting device are arranged in the casing, the nanometer titanium dioxide-supported catalytic reactor is arranged on the bottom wall of the casing, the waterproof lighting device is fixed between the upper wall and the bottom wall of the casing, the nanometer titanium dioxide-supported catalytic reactor is at least composed of a nanometer titanium dioxide-supported catalytic member, the nanometer titanium dioxide-supported catalytic member is composed of a first clamp pipe, a nanometer titanium dioxide-supported catalytic sheet and a second clamp pipe, one side of the nanometer titanium dioxide-supported catalytic sheet is clampedly connected on the first clamp pipe, and the other side is clampedly connected on the second clamp pipe. The nanometer titanium dioxide-supported catalytic sheet, matched to illumination, is reacted with disinfection by-products in tap water, thereby effectively decomposing the disinfection by-products in tap water, and reaching an ideal water purification effect.