23results about How to "Adjust pH" patented technology

The invention relates to the field of plant growth regulators, in particular to an ultramicro-granulated energy-gathered humic acid composite preparation which is prepared from the following raw materials in parts by weight: 50-80 parts of ultramicro-granulated energy-gathered humic acid, 10-30 parts of nanoscale metal oxide, 5-20 parts of a microbial agent, 1-10 parts of a plant growth regulator and 5-15 parts of a slow release agent. According to the invention, ultrafine particle shaped humic acid, nano-scale metal oxide, a microbial agent, a plant growth regulator and a slow-release agent are organically combined. The effect of the soil conditioner is far better than that of a single component or a traditional soil conditioner.

The invention relates to a two-agent type copper acid etching solution for a liquid crystal panel as well as a preparation method and application of the two-agent type copper acid etching solution. The etching liquid comprises an etching liquid main agent and an etching liquid auxiliary agent, and the etching liquid main agent comprises the following components in parts by weight: 5-20 parts of hydrogen peroxide; 5-15 parts of an acidic material; 3-10 parts of an organic base; 0.01 to 0.1 part of a corrosion inhibitor; 0.01 to 0.08 part of a chelating agent; 0.3-2 parts of a stabilizer; 60 to 80 parts of deionized water; the etching liquid auxiliary agent comprises the following components: 30-45 parts of an acidic material; 30 to 50 parts of organic base; 0.02 to 0.2 part of a corrosion inhibitor; 0.3-2 parts of a stabilizer; and 40 to 60 parts of deionized water. The chelating agent in the etching solution has double effects of corrosion inhibition and chelation, the pH value of the main agent can be adjusted, the etching environment of the etching solution is stabilized, the service cycle of the main agent in the etching process is prolonged, the etching capability of the two-agent type etching solution can be kept consistent after 48 hours, and the pH value and the hydrogen peroxide content are kept stable.

The invention discloses a saline-alkali soil remediation system and method, and relates to the technical field of saline-alkali soil remediation. The system comprises a soil sample collection and preliminary analysis module, a microbial community optimization design module, a microbial mixture preparation and putting module, a soil remediation process monitoring module and a soil remediation effect evaluation module. And the synergistic effect of the microflora under the target soil condition is ensured, so that the soil remediation efficiency and effect are remarkably improved. And through accurate microorganism proportion and concentration adjustment, the microorganism dosage in the remediation process is more scientific and reasonable, and resource waste is avoided, so that the total cost of soil remediation is reduced. Compared with a traditional chemical remediation method, the adopted microbial remediation method has the advantages that the negative influence on the environment is smaller, and the health and sustainability of a soil ecological system can be protected.

The present invention provides a device and method for mineralizing desalinated seawater, belonging to the technical field of desalination water production. The device of the present invention comprises a concentrated brine device 100, a bipolar membrane device 200 and a mineralization device 300 connected in sequence; wherein the concentrated brine device 100 comprises a sodium sulfate concentrated solution tank 101. The present invention prepares desalinated water into a sodium sulfate solution, and there is no risk of scaling and clogging during bipolar membrane electrodialysis, thereby ensuring the safe operation of the bipolar membrane device 200, and the corrosiveness of sulfate to the pipe network is reduced compared to chloride ions. The mineralization device 300 of the present invention comprises a dilute acid tank 301, which can control the pH value of the acid solution before mineralization; the dilute sulfuric acid solution enters the mineralization tower 302, which can effectively convert the acidity of the solution into alkalinity and increase the hardness; the alkali produced by the bipolar membrane alkali chamber 201 enters the mineralized water mixing tank 303, which can adjust the pH value of the water produced by the mineralization tower, so that the mineralized water produced by the desalinated seawater meets the drinking standard.

The invention discloses a soil matrix preparation device for ecological remediation and relates to the technical field of ecological soil remediation. An isolation heat preservation barrel is fixed to the top end of an integration bearing frame, the inner side of the isolation heat preservation barrel is sleeved with a treatment integration barrel, an integration motor is installed at one end of the treatment integration barrel through a motor base, and a porous integration frame is fixed to one end of an output shaft of the integration motor; a plurality of lower discharging mixing pipes are connected to the bottom of the side end of the treatment integration barrel at equal intervals in a penetrating mode, an integration laying barrel is connected to the inner side of the fixed inlet and outlet barrel in a sleeving mode, and a mixing motor is installed at one end of the integration laying barrel through a motor base. In addition, through internal and external heat exchange and multi-group heat cycle treatment, stable temperature control is achieved, meanwhile, the situation that the compost fermentation process is affected due to the fact that the material temperature is too low is reduced, and therefore the production efficiency of the soil matrix and the product quality are guaranteed.

The present application relates to the field of agricultural soil improvement material and fertilizer engineering technology, in particular to an acid paddy soil organic-inorganic improver preparation method based on multi-component distribution ratio; the process comprises the steps of preparing a composite pore substrate loaded with trace elements, forming an inorganic core, constructing an organic buffer layer, coating a micro-ecological layer and cross-linking and solidifying; the method is based on a hot-activated composite of attapulgite and sodium bentonite, and an inorganic core is constructed by combining step-by-step vacuum impregnation of trace elements; the core is to use xanthated in situ coordination and cross-linking on the surface of the core to form an isolation film and a buffer layer, and to suspend spore powder in sodium alginate and the like, and to synchronously spray calcium chloride to cross-link and solidify to construct a microcapsule shell; the present application avoids the loss of biological effectiveness of trace elements due to the formation of precipitates, gently adjusts the pH value of the soil, effectively solves the problem of easy loss of activity of microorganisms in the conventional process, and improves the physical structure of the soil for water and fertilizer conservation.

The invention discloses a soil repair agent based on trace elements of coal gangue and a preparation method thereof, which belongs to the technical field of soil repair agents, and comprises the following steps: mixing dark fermentation strains with beneficial soil bacteria to obtain composite strains, coating the composite strains with starch, and then mixing with a bio-based foaming agent to obtain a composite foaming agent; mixing modified cellulose, a composite foaming agent, coal gangue powder and a gelling agent to obtain a hydrogel, and freeze-drying to obtain a loaded coal gangue particle aerogel; mixing the loaded coal gangue particle aerogel with trace elements, adding peat soil, lignite, vermiculite, and corn stalks for stirring, and drying and packaging to obtain a soil repair agent. The starch-encapsulated strains in the composite foaming agent have better stability and can be better propagated and developed in the soil; the encapsulated hydrogen-producing strains can better complete the dark fermentation reaction, increase the biohydrogen content in the soil, and restore soil fertility.

This utility model discloses an environmentally friendly wastewater filtration device, relating to the field of wastewater treatment technology. It includes a fixed base plate and a treatment assembly. The fixed base plate is an integrated structure, with a supporting column installed on the left end of its upper surface. The treatment assembly is located on top of the supporting column and includes a sludge sedimentation tank, a supporting top plate, a servo motor, a connecting shaft, a stirring rod, a connecting frame, a scraper, a sludge discharge pipe, and a sludge pump. The sludge sedimentation tank is located on top of the supporting column, with the upper surface of the supporting column tightly connected to the lower surface of the sludge sedimentation tank. The supporting top plate is installed on the upper inner side of the sludge sedimentation tank, and a servo motor is installed on the upper surface of the supporting top plate. This environmentally friendly wastewater filtration device, through the treatment assembly, facilitates sludge pretreatment, preventing sludge from clogging the filtration mechanism. The filtration assembly enables the device to fully filter wastewater and facilitates cleaning of the filtration mechanism.

The invention relates to a kitchen garbage treatment method which comprises the following steps: S1, collecting general kitchen garbage, and performing three-phase separation after pretreatment to obtain slurry residue a, sewage and waste oil; s2, soybean curb residue waste and bread waste are collected, after pretreatment, wheat skin worm larvae are added and cultured, then worm and material separation is conducted, and pulp residue b, wheat skin worm pupae and wheat skin worm adults are obtained; s3, blending the slurry residue a, the slurry residue b and modified diatomite, adding hermetia illucens larvae and dry animal waste, culturing, and then separating the larvae from the materials to obtain a fertilizer, hermetia illucens pupae and hermetia illucens adults; s4, blending the wheat skin worm pupae and the wheat skin worm adults with the hermetia illucens pupae and the hermetia illucens adults, adding soybean curb residue waste for filling, and drying to obtain the protein feed. The kitchen garbage treatment method provided by the invention can simplify the conventional treatment process, reduce the cost, obtain the fertilizer and the protein feed at the same time, and improve the economic benefits of enterprises.

The application discloses a traditional Chinese medicine probiotic agent with spleen and stomach function regulation and a preparation method thereof. The traditional Chinese medicine probiotic agent is composed of A component oligosaccharide and B component traditional Chinese medicine extract. The probiotic agent is a mixture of microorganisms, such as fermented lactic acid bacteria, plant lactobacillus, animal bifidobacterium, rhamnose lactic acid bacteria, swiss lactic acid bacteria and acidophilic lactobacillus. The traditional Chinese medicine food materials are composed of cassia, red mushroom, golden camellia, pueraria, dried tangerine or orange peel, lemon, vitis lamprochloa, moringa leaf, fig, eucommia ulmoides, cistanche and momordica grosvenorii. The traditional Chinese medicine food material extract and the probiotic agent are synergistically used, the problems of single function, low bioavailability and unsuitability for the internal environment of the human intestinal stomach with cereal as staple food of existing products are effectively solved, the functions of stomach, intestine, spleen, liver, gallbladder and kidney are improved, and a safer and more efficient, more targeted health solution is provided for the people with digestive system function disorder, especially spleen and stomach function disorder.

The invention relates to the technical field of soil conditioners, and provides a soil conditioner for improving fertility of saline-alkali soil, the soil conditioner comprises the following raw materials by weight: 10-15 parts of an organosilicon fertilizer, 2-5 parts of humic acid, 20-25 parts of modified sepiolite, 5-10 parts of potassium feldspar, 1-2 parts of a dispersant, and 80-90 parts of water, the modified sepiolite is obtained by modifying sepiolite with a modifier, and the modified sepiolite is obtained by modifying sepiolite with a modifier. The modifier is prepared from 3-carboxyl methyl amino methyl-4-hydroxybenzoic acid and / or N-(carboxymethyl) maleamic acid. According to the technical scheme, the problem that the improvement effect of a soil conditioner on saline-alkali soil in the prior art is not ideal is solved.

The invention discloses an inorganic plastic oxygen composite material and application thereof in a green agriculture and plant maintenance system. The inorganic plastic oxygen composite material is prepared from the following components: an inorganic internal peroxide bridge composite compound, an inorganic mediated catalytic material and a material balancing and stabilizing system, through the synergistic effect of all the components, the generation amount and the utilization efficiency of singlet oxygen are remarkably improved, and then the excellent pest control and pesticide residue degradation effects are achieved. In actual agricultural application, an aqueous solution prepared from the composite material can generate air containing singlet oxygen after being atomized and aerated, the air is uniformly released through a greenhouse pipeline, germ spores in the air can be quickly killed, and meanwhile, the composite material is sprayed on the surfaces of crops, so that mold and gray mold of the crops such as tomatoes and cucumbers can be effectively prevented and treated; the efficient degradation effect on organic phosphorus pesticide residues on the surfaces of the vegetables is realized. The whole technical scheme does not need to use chemical pesticides, meets the development requirements of green agriculture, can effectively reduce pesticide residue pollution, and protects the ecological environment of soil.

The present application belongs to the field of fertilizer preparation, and particularly relates to an active silicon-calcium-potassium-magnesium fertilizer, and preparation and application thereof. The active silicon-calcium-potassium-magnesium fertilizer contains biomass ash 60%, mineral humic acid 30% and binder 10% by weight. The active silicon-calcium-potassium-magnesium fertilizer is used as base fertilizer or topdressing. When used as base fertilizer, the application amount is 200 kg, and when used as topdressing, the application amount is 50 kg. The present application uses biomass ash of a biomass thermal power plant as the main raw material, adds appropriate amount of mineral humic acid, uses clay as binder, and uses granulation process to prepare granules, and then uses film spraying technology to inoculate functional bacterial agent. On the one hand, the present application solves the resource recycling of a large amount of biomass ash of a biomass power plant, and on the other hand, the present application improves the activity of silicon, calcium, potassium and magnesium in the product, and meets the needs of crops for silicon, calcium, potassium and magnesium.

The utility model discloses a device that improves chlorate decomposition quantity in ion exchange membrane caustic soda production, including stirring drum, the outer surface of stirring drum is installed with a set of support leg, and the bottom of each support leg is fixedly connected with support seat, the outer surface of stirring drum is installed with decomposition device, and the decomposition device includes first cross board, and the first cross board installs in the outer surface of stirring drum, and the upper surface of first cross board is installed with dissolving box, and the outer surface of dissolving box is installed with pH value detector. The device that improves chlorate decomposition quantity in ion exchange membrane caustic soda production, through the cooperation setting of decomposition device and stirring drum, through the collaborative work of metering pump and injection mixer, can real -time, accurate regulation chlorate decomposition tank export brine pH value, make it satisfy the requirement of dechlorination system, breaked through because of the pH value limit leads to the problem of chlorate decomposition quantity limited.

The invention belongs to a method for preparing an organic fertilizer through continuous and rapid fermentation of furfural residues. The preparation method comprises the following steps: adjusting the pH value of furfural residues, and adding a fermentation detonating agent and a microbial agent into the furfural residues after the pH value is adjusted; uniformly mixing the materials to form a fermented material pile for fermentation; when the temperature of the fermentation material pile is higher than 60 DEG C, adding a new material into the fermentation material pile and mixing with the fermentation material pile to form a master batch; when the temperature of the master batch is higher than 60 DEG C, the sub-materials are moved out of the master batch pile, new materials are added into the master batch pile after the sub-materials are moved out, and the sub-materials are the first batch of sub-materials; when the temperature of the master batch is larger than 60 DEG C again, the sub-materials are moved out of the master batch pile, new materials are added into the master batch pile after the sub-materials are moved out, and the sub-materials are two batches of sub-materials; the fermentation completion time of the first batch of sub-materials is 8-10 days after the fermentation of the fermentation material pile, and the fermentation completion time of the second batch of sub-materials is 8-10 days after the new materials are added for the first time; the device has the advantages that the furfural residues can be continuously fed, and the organic fertilizer is continuously produced.

The application discloses a kind of complex phase alumina fibers and preparation method thereof, belong to ceramic fiber technical field, the preparation method is composed of the following steps: spinning, drying, heat treatment;The spinning, alumina spinning sol is carried out dry spinning, and alumina gel fiber is obtained;The crystal phase of the complex phase alumina fiber is one of the composite crystal phase of mullite and gamma-alumina or the composite crystal phase of mullite and alpha-alumina;The preparation method of the application improves ceramic yield, solves the problem of high mullite phase transition temperature of gel fiber, and the complex phase alumina fiber prepared has good mechanical properties and temperature resistance.

The application discloses a kind of lithium-containing wastewater's resource processing device and method, lithium-containing wastewater's resource processing device includes reaction tank, stirring assembly, reaction tank is used to store lithium-containing wastewater, stirring assembly is used to stir and handle lithium-containing wastewater in reaction tank, stirring assembly includes mounting bracket, mounting bracket is rotatably connected with stirring main rod, stirring main rod is provided with several stirring branch rods, first cavity is opened in stirring main rod, second cavity is opened in stirring branch rod, first cavity and second cavity are communicated, first cavity, second cavity can be used to flow heat source, stirring assembly further includes dosing line, dosing line is set on stirring main rod.Compared with prior art, a kind of lithium-containing wastewater's resource processing device of the application is conducive to extracting heavy metal ions in lithium-containing wastewater, reduces the filtration pressure of filter device, thereby reducing the cleaning and maintenance frequency of filter device, reduces the cost of lithium-containing wastewater's resource processing.

This invention discloses a method for preparing phenolic chemicals by hydrogenolysis of lignin catalyzed by a cobalt-based nitrogen-carbon composite material. Using organosoluble lignin as raw material, a cobalt-based nitrogen-carbon composite material as catalyst, and a mixed solvent of small organic molecule alcohol and formic acid, the reaction is carried out under an inert gas atmosphere of 0.5–3 MPa, maintaining a reaction temperature of 210–250 °C, and a reaction time of 2–6 h. This method catalyzes the depolymerization of lignin to obtain a series of p-hydroxyphenyl products, achieving high-value utilization of lignin. The lignin conversion rate of this invention is as high as 89.6%, the total yield of monophenolic products can reach 17.7%, of which the yield of p-hydroxyphenyl products reaches 9.0%, with a selectivity of 50.8%. The catalyst preparation process used in this invention is simple and can catalyze the hydrogenolysis of lignin by short-chain alcohols and carboxylic acid solvents under mild conditions to obtain high-value-added chemicals such as p-hydroxyphenyl products.

The present application relates to the field of freeze-dried preparations of leeches, and provides a freeze-dried powder containing multiple active enzymes and a preparation method thereof, to solve the problem that the prior art cannot simultaneously ensure the release of active ingredients and the maintenance of the stability of active ingredients, comprising the following steps: S100, cooling leeches to obtain freeze-dried leeches; S200, putting the freeze-dried leeches into a solution system, crushing, centrifuging, and taking the supernatant; the pH value of the solution system is 6.5-8.5; the solution system at least comprises water; the crushing speed is 150-250 r / min, and the time is 5-8 min; S300, after the supernatant is separated and purified, freeze-drying is performed to obtain the freeze-dried powder of leeches. The present application adopts a freeze-crushing process, and after freezing, not only can the crushing operation be simply realized, but also the loss of active ingredients caused by high temperature can be reduced by utilizing the crushing process at low temperature of raw materials.

The invention belongs to the technical field of fluorine-resistant, acid-resistant and corrosion-resistant, and particularly relates to a fluorine-resistant, dilute-acid-resistant and concentrated-acid-resistant corrosion-resistant structure which comprises a sewage treatment tank, a water inlet pipe, a discharge pipe and an access hole, one end of the sewage treatment tank is connected with the water inlet pipe, the other end of the sewage treatment tank is connected with the discharge pipe, and the access hole is formed in the top of the sewage treatment tank; a flocculation precipitation cavity is formed in the sewage treatment tank, a neutralization cavity is formed in the sewage treatment tank, and an online fluorine ion concentration meter is mounted at the top of the sewage treatment tank. According to the invention, the inner primer has waterproof and anti-corrosion effects, the inner intermediate coating has higher chemical stability, phenolic resin is not easy to erode by acid and alkali after curing, the acid resistance of the coating is further enhanced, the inner finish paint uses acrylic acid waterproof paint to effectively resist water, the zinc coating slows down the corrosion speed of a base material, the outer intermediate coating has excellent corrosion resistance, and the service life of the coating is prolonged. The outer finish paint has good water resistance, and the corrosion resistance and dilute acid resistance of the box wall can be effectively improved through multiple coatings.

The utility model discloses a continuous ion exchange system based on multi-stage dynamic switching and intelligent feedback control, which is characterized in that a liquid inlet control device is arranged on a main liquid inlet pipe of each process position and is used for acquiring liquid inlet pressure and flow velocity in real time; an ultrasonic distance sensor is arranged at the upper end part of each resin column and is used for immediately detecting the height of resin in the resin column; a multi-dimensional data acquisition device is arranged on a liquid outlet pipe of each resin column and is used for acquiring the solid content, the ion concentration and the pH value of discharged liquid in real time; after the collected data is efficiently analyzed by the control system, the indexes of liquid inlet and liquid outlet of the ion exchange system can be monitored, and dynamic switching can be carried out in time. According to the scheme, the stability of the whole ion exchange system can be improved by monitoring the feed liquid in each stage in real time, manual intervention caused by sudden feed concentration change is reduced, the working efficiency is greatly improved, and meanwhile, the expenditure cost of a large amount of manpower and material resources is saved.

The invention discloses a new technology which can select a carbon nano tube as a carrier, nano calcium carbonate (CaCO3) capable of regulating and controlling a tumor microenvironment is prepared on the surface through an in-situ deposition technology, a drug carrier (CNTs / CaCO3) is formed by the carbon nano tube (CNTs) loaded with the CaCO3, and the effect of killing cancer cells is achieved in combination with an anti-tumor drug. The composite material is subjected to x-ray diffraction analysis, and the result shows that the carbon nano tube is successfully coated with calcium carbonate; the research on the drug loading performance of the composite material further shows that the drug loading rate of the composite material is high. The prepared material CNTs / CaCO3 can wrap a drug to reach a tumor area, calcium carbonate is decomposed in a slightly acidic environment in a tumor, and drug release is accelerated while the pH value of the tumor microenvironment is adjusted. Therefore, the compound has a wide application prospect in the aspect of biological medicine.

The invention discloses a composite permeable reactive barrier material based on a lanthanum-iron-magnesium-aluminum modified silicon-based porous medium and application of the composite permeable reactive barrier material, and relates to the technical field of environmental restoration. A composite permeable reactive barrier material based on a lanthanum-iron-magnesium-aluminum modified silicon-based porous medium comprises a reactive medium filled in a permeable reactive barrier, the reactive medium is composed of a phosphorus removal material, a heavy metal curing material and a microbial activator, and the surface of each component is coated with a slow release layer; wherein the phosphorus removal material is a silicon-based porous medium modified by lanthanum, iron, magnesium and aluminum elements. Compared with the prior art, according to the prepared composite reactive barrier system, through the synergistic effect of multi-component materials, phosphorus, heavy metal and organic matter in underground water are efficiently and synchronously removed, and the problems that a traditional medium is single in remediation target and prone to blockage are solved. Due to the specific design of the slow-release layer, the structural stability and the long-term effect of the material are remarkably enhanced, and the microbial activity and the extremely high pollutant removal efficiency can still be maintained in a low-temperature environment.