753 results about "Calcium pidolate" patented technology

The invention discloses ultra-high performance concrete and a preparation method thereof. The ultra-high performance concrete comprises the following components in percentage by mass: 15%-25% of cement, 3%-6% of nano SiO2, 30%-35% of fly ash or steel slag powder, 35%-40% of recycled aggregate, 1%-4% of fiber, 0.5% of a microbial remediation agent and 1%-3% of nano TiO2. The preparation method comprises the following steps: S1, pretreating the recycled aggregate; and S2, packaging the microbial remediation agent: mixing the bacillus pasteurii spores with calcium lactate, and wrapping the mixture in calcium phosphate microspheres. S3, step-by-step stirring; S3.1, dry mixing: uniformly stirring the cement, the fly ash, the nano SiO2, the nano TiO2 and the recycled aggregate; s3.2, wet mixing is carried out, water solution fibers containing the polycarboxylic acid water reducing agent are added, uniform stirring is carried out, and the water-binder ratio of the water solution containing the polycarboxylic acid water reducing agent is 0.18; s3.3, final mixing: adding the packaged microbial remediation agent, and uniformly stirring; and S4, directional curing: performing steam curing at 80 DEG C for 48 hours, performing ultraviolet irradiation, and performing constant-temperature and constant-humidity curing for 7 days. The ultra-high performance concrete has the effects of low cost, low carbon emission, multi-function integration and repeatable crack self-repairing.

The invention relates to the technical field of land improvement, in particular to an alginic acid type multifunctional long-acting soil conditioner and a preparation method and application of the alginic acid type multifunctional long-acting soil conditioner. The core particle layer comprises an organic material, nano silicon, calcium magnesium polyphosphate, magnesium hydride, ammonium borate, rhamnose and an adhesive, and the slow release layer comprises clay minerals and alginate; the mass ratio of the clay mineral to the alginate to the organic material to the calcium magnesium polyphosphate to the nano silicon to the magnesium hydride to the ammonium borate to the rhamnose to the binder is controlled within a certain range. The soil conditioner provided by the invention is good in slow release performance, can release effective components durably and slowly, and has multiple effects of improving soil quality, providing nutrition, promoting crop growth, improving resistance and the like; the problems of soil acidification, heavy metal pollution, micro-plastic pollution, pesticide pollution, antibiotic pollution and the like in agricultural production can be effectively solved.

The invention discloses low-alkali solid waste cementing material-based plant-growing concrete and a preparation method thereof. The vegetation concrete comprises a base layer framework and a surface layer material laid on the framework. Wherein the base layer framework is prepared from the following raw material components in parts by weight: 160 to 200 parts of low-alkali solid waste cement, 15 to 25 parts of phosphogypsum, 1380 to 2100 parts of mineralized concrete recycled aggregate, 62 to 102 parts of mineral admixture and 60 to 90 parts of mixing water. The surface layer material comprises the following raw material components: 1-5% of sodium alginate, 1-10% of calcium superphosphate, 1-10% of urea and the balance of soil. The mineralized concrete recycled aggregate is prepared by the following steps: soaking the concrete recycled aggregate in a diammonium hydrogen phosphate solution, and separating out the aggregate after soaking is completed, thereby obtaining the mineralized concrete recycled aggregate. According to the plant-growing concrete, alkalinity in concrete pores can be remarkably reduced, and the plant-growing concrete has stable later strength and good plant germination rate.

The invention discloses bone cement for orthopedic repair and a preparation method thereof, and relates to the technical field of bone cement. The bone cement for orthopedic repair comprises solid-phase powder and a liquid-phase component, the solid-phase powder comprises the following components in parts by weight: 55-65 parts of composite calcium phosphate, 10-15 parts of bioactive glass, 2-3 parts of a developing agent, 1-2 parts of hydroxyapatite, 8-12 parts of a modified toughening agent and 2-3 parts of nano cellulose fibers; the liquid phase component is prepared from the following components in parts by weight: 40 to 50 parts of a sodium alginate solution, 10 to 20 parts of methacrylated gelatin, 0.5 to 1 part of transglutaminase, 30 to 60 parts of a citric acid buffer solution and 1 to 2 parts of an antibacterial agent. The preparation method comprises the following steps: reacting pentaerythritol with 12-oxododecanoic acid to obtain an intermediate 1, and reacting the intermediate 1 with dopamine to prepare the modified toughening agent. The bone cement for orthopedic repair prepared by the invention has good mechanical, self-repairing and antibacterial properties.

The invention provides an antibacterial synergy-mineralization regulation difunctional nano material as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. The preparation method comprises the following steps: mixing a disodium hydrogen phosphate solution and a calcium chloride solution to obtain an amorphous calcium phosphate suspension; mixing the amorphous calcium phosphate suspension with a tannic acid solution to obtain an ACP-TA suspension; and finally, mixing the ACP (at) TA suspension and the hydroxypropyl trimethyl ammonium chloride chitosan solution to obtain the bifunctional nano material. A cross-linked shell is formed through the electrostatic adsorption effect of tannic acid and hydroxypropyl trimethyl ammonium chloride chitosan of the antibacterial layer, amorphous calcium phosphate is effectively wrapped, the crystallization process of amorphous calcium phosphate can be remarkably delayed, long-acting release of calcium and phosphorus ions is ensured, the antibacterial function can be effectively achieved, and the service life of the coating is prolonged. An ideal local microenvironment is provided for remineralization of tooth hard tissue, and finally biomimetic mineralization of enamel and deep mineralization plugging of dentinal tubules are achieved.

The invention discloses an inorganic modified super-long salt-spray-resistant water-based paint and a preparation method thereof, and relates to the technical field of water-based industrial paints. The inorganic modified super-long salt-spray-resistant water-based paint at least comprises the following raw materials in parts by mass: 60-70 parts of water-based acrylic resin, 0.1-0.5 part of a bactericide, 0.2-0.4 part of a wetting agent, 0.5-1 part of a dispersing agent, 0.1-0.3 part of a defoaming agent, 0.5-1 part of a pH regulator, 8-12 parts of nano silicon dioxide coated polymerized calcium phosphate, 0.5-2 parts of modified zinc phosphate, 8-10 parts of silk mica powder, 2-4 parts of a coalescing agent and 10-20 parts of water. And 0.5 to 1 part of a polyurethane thickening agent. The inorganic modified super-long salt-fog-resistant water-based paint prepared by the invention has super-long salt fog resistance, high base material adhesion and low ion dissolution amount, and the hardness and water resistance of a coating are also improved.

The invention relates to the technical field of sludge reduction and resource utilization, in particular to a method for resource utilization of sludge gasification slag. According to the method, municipal sludge gasification slag is smashed and then subjected to acid leaching, acid leaching liquid and acid leaching slag are obtained, iron in the acid leaching liquid is recycled, meanwhile, the acid leaching slag is subjected to alkaline leaching, under the strong alkaline condition, a calcium source is added into alkaline leaching liquid, then calcium phosphate sediment can be obtained, and iron in alkaline leaching separation liquid is recycled; a calcium ion solution can be generated in the processes of recovering iron in the pickle liquor and refining calcium phosphate, and the obtained calcium ion solution can be used as a calcium source for comprehensive utilization. The method disclosed by the invention can be used for realizing extraction and resource utilization of phosphorus, iron, aluminum and calcium in the sludge gasification slag, and has important significance on environmental protection and resource saving.

To provide a medical tissue reconstruction material, which is involved in tissue reconstruction and exhibits superior tissue affinity, tissue conductivity, and mechanical properties, and a method for producing the same.SOLUTION: The present invention provides a composite comprising a biodegradable polymer and calcium phosphate exhibiting one of scaly, acicular, grooved, or linear recessed structures, and / or calcium carbonate containing vaterite, the composite meeting specific conditions.SELECTED DRAWING: Figure 3

The invention relates to a preparation method of a cultivation material for cultivating selenium-rich black fungus, which comprises the following steps: respectively preparing a slow-release sodium chlorate composite material and a slow-release selenium-containing mineral material, and then mixing with carbon nutrition, nitrogen nutrition and mineral nutrition to obtain the cultivation material. The slow-release selenium mineral material is a polymer-coated slow-release selenium mineral material prepared by the following steps: preparing a selenium mineral core material from selenium powder, gypsum, calcium superphosphate, monopotassium phosphate, calcium sulfate, diatomite, nano silicon dioxide and a surfactant OP-10, preparing a coating material, adding the selenium mineral core material, and soaking with a Bis-Tris buffer solution. Sodium chlorate and selenium are respectively prepared into specific slow release systems, and are slowly released in the cultivation material to react to generate a seleninic acid component which can be easily absorbed and utilized by the black fungus, so that the concentration of seleninic acid in the cultivation material is regulated, the growth of the black fungus is promoted, the yield of the black fungus is increased, the quality of the black fungus is remarkably improved, and the cultivation cost is reduced. The selenium content and the amino acid content in the black fungus are obviously increased.

The invention discloses a preparation method and application of high-strength, high-inorganic-ratio and degradable organic-inorganic composite hydrogel, and belongs to the technical field of biomedical tissue engineering. The hydrogel is prepared from the following components in percentage by weight: 30 to 70 percent of calcium phosphate nano-cluster and 30 to 70 percent of sodium alginate. The organic-inorganic composite hydrogel is beneficial to proliferation and mineralization of bone cells, and more ideal bone guidance is realized. Experimental results prove that the material has good cytocompatibility, can quickly promote rat skull defect repair (8 mm limit bone injury repair time is shortened to 4 weeks), and has a more remarkable healing effect compared with a contrast autogenous bone graft material with an optimal clinical repair effect. The high-strength organic-inorganic composite hydrogel prepared by the invention is of a single-network structure, shows good mechanical properties, also has excellent degradability matched with tissues, and is beneficial to hard tissue repair.

The invention relates to a curcumin-loaded MMP response type melittin nano-pellicle vesicle as well as a preparation method and application thereof, and belongs to the technical field of pharmaceutical preparations. The preparation method comprises the following steps: firstly, preparing curcumin entrapped lipidosome; then carrying out culture amplification on engineering bacteria carrying melittin recombinant plasmids, extracting cell membranes after removing cell walls, and carrying out ultrasonic treatment and membrane extrusion to obtain melittin cell membrane nano-vesicles; fusing the curcumin lipidosome and the cell membrane nano-vesicles in an ultrasonic extrusion mode to obtain fused vesicles; and finally, carrying out surface calcium phosphate mineralization treatment on the fused vesicles to obtain the curcumin-loaded MMP response type melittin nano pellicle vesicles. The nano mycofilm vesicle prepared by the invention can be used for preparing antitumor drugs, and the biocompatibility and in-vivo stability of nanoparticles are improved by introducing a calcium phosphate coating; through combined delivery of melittin and curcumin, the anti-tumor effect is enhanced, so that the growth and proliferation of tumor cells are inhibited.

The invention provides a method for softening sewage and synchronously removing fluorine, which comprises the following steps: detecting the concentration of calcium ions and the concentration of fluorine ions in high-calcium and high-fluorine wastewater, and adjusting the pH value of the high-calcium and high-fluorine wastewater to 6.5-8.0; adjusting the temperature of the high-calcium high-fluorine wastewater to 25-35 DEG C; dihydric phosphate is added into the mixture; wherein the molar weight ratio of PO4 < 3-> to calcium ions is 3: 5; meanwhile, the molar weight ratio of PO4 < 3-> to fluorine ions is 3: 1. According to the method for softening sewage and synchronously removing fluorine, a chemical precipitation method is adopted, a dihydric phosphate agent is accurately added into high-calcium and high-fluorine wastewater, and calcium fluorophosphate precipitate is generated through a chemical reaction, so that the aim of synchronously removing calcium ions and fluorine ions is achieved, and the dual effects of softening sewage and removing fluorine are achieved.

The invention discloses a preparation method for simultaneously and efficiently extracting crocodile polypeptide and crocodile oil, and relates to the technical field of biological extraction, crocodile meat is used as a raw material, and heating micro-pressure treatment is sequentially performed to promote component dissolution; a multi-stage enzymolysis process is adopted, alkaline protease, neutral protease and lipase are sequentially used, and a calcium phosphate system is used for assisting filtration and a natural antioxidant is added in a gradient manner in the enzymolysis process; performing plate frame filtration and standing layering subsequently to realize crude separation of the oil peptide; finally, the crocodile polypeptide liquid is subjected to multi-stage membrane filtration and spray drying, the crocodile crude oil is subjected to ultrasonic-assisted fishy smell removal, ceramic membrane fine filtration and gradient cooling phase change refining, and after enzymolysis treatment and before filtration, a composite additive is added into enzymatic hydrolysate and stirred. No organic solvent exists in the whole process, and the product yield, purity and oxidation stability are remarkably improved.

The present invention relates to a method of manufacturing a surface-modified material wherein the method comprises the steps of applying a coating composition onto at least one surface of a substrate to form a porous coating thereon wherein the coating composition comprises mineral particles selected from the group consisting of calcium carbonate, calcium phosphate, hydromagnesite and mixtures thereof and a binder, and impregnating the porous coating with at least 150% by weight of an impregnating liquid composition based on the total weight of the porous coating to form a constraining liquid layer within and on the porous coating wherein the impregnating liquid composition is chemically inert to the substrate and the porous coating. Furthermore, the invention relates to a corresponding surface-modified material, an article comprising the same and the use of such a material.

The invention discloses a surface coating modified calcium phosphate microsphere and a preparation method thereof, and belongs to the technical field of calcium phosphate microsphere preparation. The surface coating modified calcium phosphate microspheres are prepared from the following components in parts by weight: 60 to 68 parts of calcium phosphate ceramic powder, 20 to 32 parts of modified bioactive bodies, 8 to 12 parts of composite pore forming agents and 2 to 5 parts of binding agents, the modified bioactive body is prepared from vinyltriethoxysilane, butyl dibutyl phosphate, citric acid, calcium acetate, magnesium sulfate and polyether-ether-ketone fibers, and the composite pore-forming agent is prepared from octyl dimethyl tertiary amine, epoxy chloropropane, hydrolyzed soybean protein and starch. The calcium phosphate microspheres prepared by the method have excellent porosity and biological activity.

The present application relates to the field of ceramsite, and specifically discloses a method for preparing binary ceramsite using coal gangue and the obtained ceramsite. The method comprises the following steps: preparing the core: fully mixing carbon-free industrial waste slag with calcium phosphate solution at a ratio of 1kg: (0.4-0.8)L, pressurizing, and then granulating to obtain green balls, and uniformly spraying a binding solution on the surface of the green balls to obtain the core; preparing the coating material: fully mixing coal gangue with sodium alginate solution at a ratio of 1kg: (0.2-0.5)L to obtain the coating material; overmolding: uniformly coating the core with the coating material to form a binary green ball, wherein 0.15 < d / D < 0.75, d is the green ball diameter, and D is the binary green ball diameter; preparing the ceramsite: drying, pyrolyzing, decarbonizing, sintering, and cooling the binary green balls to form binary ceramsite. The obtained ceramsite product not only has no black core, excellent strength, but also good water absorption.

The invention discloses a degradable organic-inorganic composite film and a preparation method and application thereof, and belongs to the technical field of composites.The method comprises the steps that 1, an organic amine stabilizer, a calcium source, a phosphorus source and an organic solvent are used for preparing a calcium phosphate nano-cluster precursor, and calcium phosphate nano-clusters are obtained through further separation; (2) mixing the calcium phosphate nano-cluster and a natural polymer material to prepare a uniformly dispersed emulsion, the natural polymer material including carboxymethyl chitosan and alginate, using the emulsion to prepare a membrane, and during the membrane preparation process, generating an evaporation-induced self-assembly process to prepare the membrane. The degradable organic-inorganic composite film is obtained by combining a rod-like hydroxyapatite nanocrystal which is formed by phase change of the calcium phosphate nanocluster and crystallization with a natural high polymer material. The organic-inorganic composite film has adjustable mechanical properties, can be naturally and directly degraded in soil, and has wide application prospects in the fields of packaging, agriculture, medical treatment and the like.

The invention discloses heavy metal resistant bacillus velezensis as well as a microbial remediation agent and application thereof. Bacillus velezensis DBS01 is screened from heavy metal contaminated soil in Dabaoshan mining areas in Shaoguan City, Guangdong province, is preserved in China Center for Type Culture Collection (CCTCC), has a preservation number of CCTCC M 20252228, not only has resistance to various heavy metals, but also can metabolize and secrete metabolites such as organic acid, cellulase and growth hormone in different growth stages, and can be used for preventing and treating various heavy metals. Multiple functions of curing heavy metals, dissolving phosphorus and potassium, promoting plant growth and the like are realized. According to the method, bacillus velezensis DBS01 is inoculated into a culture medium containing straw, calcium superphosphate, agar and sodium alginate are added, and a mixture containing the bacillus velezensis DBS01 is freeze-dried, so that the heavy metal contaminated soil in the mining area can be efficiently repaired in an environment-friendly manner at low cost, and the ecological function recovery of the soil is effectively promoted.

The invention provides a calcium fluoride sludge purification method, calcium fluoride fine powder and application thereof, and belongs to the field of calcium fluoride sludge treatment.The calcium fluoride sludge purification method comprises the following steps that calcium fluoride sludge and water are mixed to form a first mixed solution, a phosphate conversion agent is added, heating and stirring are conducted, and then filtering is conducted to obtain a first solid mixture; adding an acid solution into the first solid mixture, heating, stirring and filtering to obtain a second solid mixture; and water, an inhibitor, a collecting agent and a foaming agent are sequentially added into the second solid mixture to form a third mixed solution, flotation is conducted, and calcium fluoride fine powder is obtained. Impurity elements can be removed through combination of phosphate conversion and a flotation method, and compared with a method for removing calcium phosphate and calcium sulfate through a chemical treatment method, the reagent dosage is greatly reduced, the temperature needed by conversion is low, the conversion time is short, and the cost is low.

The invention discloses a grading reaction crystallization recovery process and system for semiconductor fluorine-containing and phosphorus-containing waste liquid, the fluorine-containing and phosphorus-containing waste liquid and a lime solution react in a fluorine recovery crystallization reactor under the condition that the pH is 3-4 to form calcium fluoride crystals, and the calcium fluoride crystals are dehydrated to obtain calcium fluoride particle crystal products; the effluent of the fluorine recovery crystallization reactor, the calcium fluoride crystal dehydration filtrate, the lime solution and the calcium chloride solution react in a secondary reaction tank under the condition that the pH is 5-6, and calcium fluoride, fluorapatite, silicon dioxide and silicon-aluminum precipitates are removed through coagulation, flocculation and precipitation; effluent of the second-stage reaction tank, the lime solution and the calcium chloride solution react in the phosphorus recovery crystallization reactor under the condition that the pH is 7-8 to generate hydroxyapatite crystals, and the hydroxyapatite crystals are dehydrated to obtain hydroxyl calcium phosphate particle crystal products. Meanwhile, a high-purity calcium fluoride crystal product and a hydroxyl calcium phosphate crystal product are produced, and fluorine and phosphorus are recycled.

The invention relates to the technical field of biological tissue adhesives, in particular to a biological tissue adhesive composition. The biological tissue adhesive composition comprises a powder A, a powder B and a powder C, wherein the powder A is obtained by curing calcium silicate and acidic calcium phosphate in a curing liquid, curing, drying and crushing; powder B: bivalent metal salt; powder C: phosphorylated amino acid; and an aqueous solvent; the biological tissue adhesive is used for bone adhesion and bone repair. According to the biological tissue adhesive composition provided by the invention, a silicate / hydroxyapatite composite material with a bone induction function is synthesized through optimized bone cement reaction, a curing liquid is added to react with phosphorylated amino acid, and a bone adhesive material is obtained through organic and inorganic material coordination reaction; the bone repairing and regenerating capability and the bone bonding capability are good.

The invention discloses a method for preparing lithium phosphate with high efficiency and low cost, which comprises the following steps: roasting spodumene concentrate and phosphoric acid, and carrying out slurrying leaching and solid-liquid separation to obtain a lithium dihydrogen phosphate solution; the method comprises the following steps: evaporating and concentrating a lithium dihydrogen phosphate solution, regulating the pH value of the lithium dihydrogen phosphate solution to 7-8 by adopting ammonia water, adding calcium phosphate seed crystals, inducing to remove residual calcium ions and magnesium ions in the solution, and carrying out solid-liquid separation to obtain a phosphate solution containing lithium ions; and then adjusting the pH value back to 11-13 by adopting alkali for lithium precipitation to obtain a lithium phosphate solid, and washing and drying to obtain a battery-grade lithium phosphate product. According to the preparation process of the lithium phosphate, the spodumene is acidized and roasted by adopting phosphoric acid, and pulpified and leached, and calcium ions and magnesium ions in a solution are directly induced by adopting calcium phosphate seed crystals to form crystals to be separated out on the basis of a weakly alkaline condition, so that the process steps are simple and convenient, the subsequent purification procedure is omitted, and the preparation process is more suitable for industrialization; meanwhile, the lithium phosphate product with high purity and high yield can be obtained through the simple and convenient process, the purity can reach 99.5% or above, and the yield can reach 92% or above.

The invention discloses a bone cement composition and application thereof, and relates to the technical field of bone cement. The bone cement composition comprises a solid phase component and a liquid phase component, wherein the solid phase component comprises 60-75 parts of composite calcium phosphate, 10-20 parts of strontium glass powder, 8-12 parts of a reinforcing agent and 3-7 parts of a solidification reaction regulator; the liquid phase component comprises 20-30 parts of a phosphate buffer solution, 3-8 parts of a sodium citrate solution, 5-15 parts of an anti-inflammatory agent and 1-5 parts of a hyaluronic acid solution. The preparation method comprises the following steps: reacting 1, 10-phenanthrene-2, 9-dicarboxylic acid with 2-aminomethyl furan to obtain an intermediate 1, and reacting the intermediate 1 with poly (ethylene glycol) maleimide to prepare the reinforcing agent. The prepared bone cement composition has good mechanical properties, self-repairing performance and anti-inflammatory performance, and has a good application prospect in the field of bone repairing.

The invention discloses an application of monocalcium aluminate in a premixed dental filling material, the premixed dental filling material and a preparation method of the premixed dental filling material, the premixed dental filling material takes monocalcium aluminate as a main hydraulic material, calcium oxide is supplemented as a curing accelerator and an expanding agent, and the premixed dental filling material can also comprise calcium pyrophosphate, calcium carbonate, calcium carbonate and calcium carbonate. The biological hydrogel paste with excellent injectable performance is prepared. The material keeps fluid under a sealed condition, and is hydrated, solidified and hardened after being placed in a physiological environment and contacted with physiological body fluid. According to the present invention, by using the excellent biocompatibility and the biological activity of the monocalcium aluminate, the premixed aluminate hydrogel dental filling material is prepared from the monocalcium aluminate, and can be used for medical applications and dental applications, including the fields of pulp capping, root canal therapy, hard tissue repair and the like.

A bone graft composition comprising a calcium phosphate putty is provided. A method of repairing a bone defect in a patient by applying the bone graft composition is also provided.

The invention discloses a bone cement composite material with collapse resistance and a preparation method thereof, and belongs to the technical field of biomedical materials. The composite material comprises a solid phase part and a liquid phase part, the liquid phase part and the solid phase part are mixed according to the liquid-solid ratio of 0.35 mL / g to 0.6 mL / g; the solid phase part is composed of calcium sulfate powder and calcium phosphate powder, and the mass ratio of the calcium sulfate powder to the calcium phosphate powder is 85: 15; the liquid phase part is selected from carboxymethyl chitosan or a combination of carboxymethyl chitosan and sodium alginate. The bone cement composite material prepared by the preparation method disclosed by the invention has good biocompatibility; due to a gel network formed by carboxymethyl chitosan and sodium alginate, the compressive strength of the bone cement is remarkably improved, and the collapse resistance and injectable performance are excellent; meanwhile, the bone cement composite material promotes the attachment and proliferation of osteoblasts, and can induce osteogenic differentiation in vitro.

Provided is a novel biomarker for determining the onset of urolithiasis. This biomarker for determining the onset of urolithiasis is characterized by comprising at least one among calcium phosphate crystals and amorphous calcium phosphate in urine.

The invention belongs to the technical field of waste recovery, and discloses a method for comprehensively recovering tungsten and phosphorus from scheelite smelting slag and tungsten-containing waste, which comprises the following steps: mixing the tungsten-containing waste, the scheelite smelting slag containing calcium phosphate and sodium salt, roasting to obtain a roasted material, leaching the roasted material with water to obtain a sodium phosphate solution and water leaching slag, and the water leaching residues are subjected to alkaline leaching, and then a sodium tungstate solution and alkaline leaching residues are obtained. The invention further comprises application of the sodium phosphate solution to scheelite decomposition. According to the method, phosphorus in the scheelite smelting slag and tungsten in the tungsten-containing waste can be efficiently recycled while the low cost, the minimum environmental pollution and the operation convenience are kept, and therefore cyclic utilization and sustainable development of resources are powerfully promoted.

The invention discloses a preparation method of a three-dimensional split-phase fancy glaze for coal gangue ceramic body decoration, the three-dimensional split-phase fancy glaze comprises a ground glaze and a cover glaze, the cover glaze comprises the following raw materials by weight: 15-20% of quartz, 10-15% of calcite, 5-10% of kaolin, 5-10% of zinc oxide, 10-15% of calcium phosphate, 25-30% of potassium feldspar, 2-5% of calcium borate, 5-10% of tin dioxide, 3-5% of spodumene, and 2-5% of a coloring oxide; the ground glaze is prepared from the following raw materials in percentage by weight: 15-20% of quartz, 10-15% of wollastonite, 5-10% of kaolin, 10-15% of zinc oxide, 15-20% of calcium phosphate, 15-20% of spodumene, 5-10% of titanium dioxide, 5-10% of calcium borate, 2-5% of coal gangue and 2-5% of coloring oxide, and the product is obtained through raw material preparation, glazing and sintering. The prepared three-dimensional split-phase fancy glaze is simple in process, high in adaptability, unique in effect and wide in market prospect.

The invention discloses a heavy metal-tolerant phosphate-solubilizing Leclercia adcarboxcarboxy YZ30 strain and application thereof, and belongs to the field of microorganisms, the strain is preserved in the China Center for Type Culture Collection (CCTCC), and the preservation number is CCTCC NO: M 20211025. The phosphorus solubilizing amount of the strain to insoluble inorganic phosphorus (calcium phosphate) reaches 705.82 mg / L, the phosphorus solubilizing amount to insoluble organic phosphorus (calcium phytate and calcium and magnesium phytate) reaches 698.89 mg / L and 688.48 mg / L, and the strain has high tolerance to heavy metals such as zinc, cadmium and chromium and can keep high phosphorus solubilizing amount under the maximum tolerance concentration of 1050 mg / kg (zinc), 450 mg / kg (cadmium) and 1248 mg / kg (chromium). In addition, the compound has a certain degradation effect on aniline, and the degradation rate is 32.94%. The strain has relatively strong phosphate solubilizing capacity and heavy metal tolerance, can be used for repairing and reclaiming heavy metal polluted land, and has a very wide application prospect.