137 results about "Feldspar" patented technology

The invention discloses a matte glaze and a preparation method thereof. The matte glaze comprises the following components by weight: 1-5 parts of zinc oxide, 5-15 parts of barium carbonate, 0-15 parts of zirconium silicate, 10-25 parts of potassium feldspar, 10-20 parts of kaolin, 5-15 parts of calcite, 5-15 parts of calcined talcum powder, 20-35 parts of a matte frit and 0.5-1 part of an additive. Specifically, the matte frit comprises the following components by weight: 30-50 parts of SiO2, 15-20 parts of Al2O3, 0.01-0.5 part of Fe2O3, 3-10 parts of CaO, 0.5-5 parts of MgO, 1-5 parts of K2O, 3-10 parts of Na2O, 3-10 parts of ZnO, 0.1-1 part of B2O3 and 10-25 parts of BaO. By introducing the matte frit, the melting temperature of the formula is lowered, the firing range of the formula isbroadened, and the glaze texture achieves a fine matte effect.

The invention discloses a blue-and-white glaze and a preparation method and application thereof, and belongs to the technical field of inorganic non-metallic materials (ceramics), the blue-and-white glaze comprises quartz, feldspar, limestone, plant ash and other basic raw materials, zinc oxide, aluminum oxide, lanthanum oxide, cerium oxide and other rare earth elements, and a modified organic additive is introduced. Compared with the prior art, the blue-and-white glaze shows excellent stability in the drying and firing process, the phenomena of cracking and glaze stripping are effectively reduced, the friction coefficient after firing is low, the breaking strength and the breaking modulus are high, the glossiness and transparency of a glaze surface are remarkably improved, and the blue-and-white glaze has important application value.

The invention discloses a ceramic rock plate with a decorative effect and a production process thereof, and belongs to the technical field of ceramics. The rock plate is composed of a green body layer, a ground glaze layer, a cover glaze layer and an ink jet pattern layer, and after firing, a micro-nano rough and low-surface-energy synergistic protection layer is formed through oxygen-nitrogen plasma activation, a hydrothermal reaction of aluminum salt and an ammonia source compound, high-temperature calcination and silane derivative dipping and curing. The green body takes wollastonite, quartz sand and the like as raw materials, and the ground glaze and the cover glaze adopt a feldspar-quartz-nepheline system; after firing, performing plasma treatment and hydrothermal treatment to generate needle-shaped aluminum oxide, and introducing a silane derivative to realize double functions of super-hydrophobicity and wear resistance. Compared with the prior art, the anti-fouling and wear-resistant coating reaches the national standard 5 level, the process is simple, and the coating can be directly connected to an existing production line and is suitable for high-end wall floor decoration.

The invention discloses a fluoride-free flotation-microbiological leaching-multistage magnetic separation synergistic tailing purification process, which takes mine tailings as raw materials and is realized by the following steps: 1, fluoride-free flotation desliming and impurity removal: replacing hydrofluoric acid with a novel anion collector (fatty acid derivative), and preferentially removing mica and feldspar under the condition that the pH is 2.5-3.5; 2, removing iron and aluminum by microbiological leaching: leaching for 48 hours at the temperature of 35 DEG C by utilizing an acidophilus bacillus ferroxidans bacterial solution, and dissolving Fe2O3 and Al2O3 in a wrapped state; 3, high-gradient magnetic separation refining: removing magnetic minerals through 1.2 T strong magnetic separation, and then separating weak magnetic impurities through 0.8 T weak magnetic separation; the indexes of the final product are as follows: the purity of SiO2 is greater than or equal to 99.9%, the whiteness is greater than or equal to 94% (ISO standard), the content of Fe2O3 is less than or equal to 80ppm, Al2O3 is less than or equal to 1200ppm, and the requirements of electronic grade (IOTA-4 standard) quartz powder are met.

The invention belongs to the technical field of ceramics, and particularly relates to a three-dimensional effect glaze, a three-dimensional effect ceramic tile and a preparation method thereof. The three-dimensional effect glaze is composed of honeycomb ground glaze and honeycomb effect glaze; the honeycomb ground glaze comprises the following mineral components in percentage by mass: 20%-30% of quartz, 5%-10% of kaolin, 12%-18% of albite, 7%-15% of calcite, 2%-7% of wollastonite, 12%-17% of calcined talc, 15%-25% of calcined zinc oxide, 2%-6% of titanium dioxide, 2%-4% of glass powder, 1%-3% of strontium carbonate and 1%-5% of dolomite. The glaze with the honeycomb effect comprises the following mineral components in percentage by mass: 5%-15% of quartz, 5%-10% of kaolin, 40%-55% of albite, 2%-6% of barium ice feldspar, 2%-10% of calcite, 7%-15% of calcined talc, 1%-4% of calcined zinc oxide, 7%-15% of red mud and 3%-5% of coal gangue. The novel effect glaze is developed, the glaze surface is flat and smooth, meanwhile, the ground glaze is pushed to the surface through the gas phase disturbance effect, and the effect glaze sinks and wraps the ground glaze in a three-dimensional honeycomb shape.

The invention discloses a method for purifying high-purity quartz sand, which belongs to the technical field of preparation of high-purity quartz sand, and comprises the following steps: (1) sequentially carrying out high-pressure water jet scrubbing, gradient screening classification and dielectric separation on sandstone type quartz ore raw ore with SiO2 content of 85-90% to remove feldspar to obtain quartz particles with feldspar content of less than or equal to 2%; (2) sequentially carrying out microwave field pretreatment, infrared light field crack propagation and pulse laser implosion stripping on the quartz particles obtained in the step (1), and regulating and controlling technological parameters of the three fields through linkage of a PLC (Programmable Logic Controller) system, so that the stripping rate of an impurity inclusion is greater than or equal to 92%; according to the invention, aiming at quartz particles with different particle sizes, a plurality of process parameters are automatically optimized and adjusted through the PLC system, accurate control and adaptive production are realized, and high-purity products can be stably produced from sandstone type quartz raw materials with different grades in different regions. And the inclusion is opened from inside to outside through a multi-field synergistic effect, and the completeness of the quartz particles is retained to the greatest extent by combining with an optimized fluoride-free acid leaching condition.

The invention provides a high-selectivity flotation method for micro-fine particle lepidolite containing rubidium and cesium, which comprises the following steps: levigating raw lepidolite ore, and desliming to obtain a flotation material and slime; adding sodium hexametaphosphate and a collecting agent HT8-01 into the flotation material, stirring, and roughing to obtain lepidolite rough concentrate and flotation tailings I; a collecting agent HT8-01 is added into the flotation tailings I for two times of scavenging, flotation tailings and two scavenging middlings are obtained, and the scavenging middlings are sequentially returned to the upper layer for operation; sodium hexametaphosphate is added into the lepidolite rough concentrate for two times of concentration, lepidolite concentrate and two concentrated middlings are obtained, and the concentrated middlings are sequentially returned to the upper layer for operation; the collecting agent HT8-01 is obtained by mixing octadecylamine and sodium dioctyl sulfosuccinate according to the mass ratio of 5: 3. According to the method, the separation effect of the rubidium-cesium-lithium-containing mica and gangue minerals such as quartz and feldspar is improved, the problems that foam is too stable, the viscosity is too high and the size is too large are solved, and high-selectivity separation of the micro-fine-particle rubidium-cesium-lithium-containing mica is achieved.

The preparation process comprises the following steps: uniformly mixing 80-90 parts by mass of fused mullite, 1-2 parts by mass of modified ZrSiO4 fine powder, 5-8 parts by mass of alpha-Al2O3 fine powder, 2-4 parts by mass of silicon powder, 3-5 parts by mass of aluminum powder and 3-5 parts by mass of mullite microsphere powder, adding 5-8 parts by mass of a binding agent, and uniformly mixing to obtain pug; the preparation process of the mullite microspheres comprises the following steps: mixing bauxite, feldspar and silica powder, adding water, grinding into slurry, carrying out spray drying, sintering, and rapidly cooling after sintering; the pug is sealed and stacked for 12-24 h and then subjected to high-pressure forming, and a blank is obtained; and gradually heating the blank to 120 DEG C, drying for 24-48 hours, and firing and molding. The ultralow-porosity anti-erosion brick is low in porosity and good in anti-erosion performance.

The application discloses a kind of high wear-resistant hot bending forming rock plate, including following weight parts raw materials: kaolin 30-35 parts, fine ball clay 20-25 parts, wollastonite 10-15 parts, super white sand 10-15 parts, feldspar 8-14 parts, pyroxene 7-12 parts, talc 6-10 parts, bentonite 5-8 parts, tremolite 4-7 parts, sodium tripolyphosphate 3-5 parts, modified additive 4-7 parts.The high wear-resistant hot bending forming rock plate of the application uses kaolin, fine ball and other raw materials with modified additive, through the modification of mullite and cordierite in modified additive by specific modified liquid stirring, the silicon carbide whisker liquid in modified liquid cooperates with hydroxyapatite agent into the system, through the coordination and synergistic effect between raw materials, so that the performance of the product is further improved, the toughness performance, fracture performance and wear resistance of the product are improved in coordination.

The invention belongs to the technical field of mineral separation, and discloses an amidated carboxylic acid compound, a collecting agent for spodumene flotation, a preparation method of the amidated carboxylic acid compound and application of the amidated carboxylic acid compound in spodumene flotation. The amidated carboxylic acid compound is obtained through the reaction of amino acid, acyl chloride and sodium hydroxide, is resistant to acid and alkali in the normal temperature state, is not prone to decomposition and can improve the selectivity of the collecting agent. The collecting agent comprises 30-45 parts of amidated carboxylic acid compounds, 5-15 parts of oleic acid, 3-10 parts of inorganic base and 10-25 parts of alcohol compounds. The spodumene flotation collecting agent has good dispersity, foaming capacity and capacity of inhibiting gangue, feldspar and quartz minerals, has a good collecting effect on spodumene at the room temperature, remarkably improves ore selectivity, guarantees the concentrate grade of spodumene, meanwhile improves the recovery rate and has a good application effect in spodumene flotation.

The invention discloses a fluoride-free strong-acid-free reverse flotation method for extracting a high-purity quartz sand flotation product from granite pegmatite, and belongs to the technical field of mineral flotation. The method comprises the following steps: carrying out graded crushing and ore grinding on granite pegmatite to obtain slurry to be treated; carrying out wet magnetic separation on the to-be-treated slurry to obtain ore pulp after magnetic separation and magnetic-containing minerals; the pH value of the ore pulp is not adjusted, reverse flotation is carried out in the presence of a quartz mixed inhibitor, and a feldspar product and a quartz product are obtained; the quartz mixed inhibitor is a combination of a component A and a component B, wherein the component A is selected from at least one of sodium metasilicate, sodium tripolyphosphate, sodium hexametaphosphate, carboxymethyl cellulose and salinized water glass; the component B is selected from at least one of guar gum, Arabic gum, sodium humate and citric acid. The method is free of fluorine and strong acid, green and efficient, and is a method for preparing high-purity quartz sand from pegmatite with high industrial application feasibility.

The invention discloses a method for preparing a cementing material from tailings, and relates to the technical field of comprehensive utilization of mine tailings, and the method comprises the following steps: S1, classifying the tailings into fine tailings and coarse tailings; s2, iron impurities are removed from the fine tailings, and the fine tailings are ground to obtain tailing micro powder; s3, the coarse tailings are subjected to low-intensity magnetic separation, high-intensity magnetic separation and flotation, and feldspar is obtained; s4, calcining and grinding feldspar to obtain feldspar powder; s5, uniformly mixing feldspar powder, tailing micro powder, gypsum and slaked lime to obtain a mixture; s6, mixing water glass, NaOH and water to prepare an alkali activator solution; and S7, adding the alkali activator solution into the mixture, intensely stirring, and carrying out medium-temperature maintenance to obtain the cementing material. According to the method, the tailings are subjected to grading treatment, the fine tailings and the rough tailings are subjected to targeted processing, mineral components of the tailings are fully utilized, the comprehensive utilization rate of the tailings is remarkably increased, and accumulation of the tailings is reduced.

The invention belongs to the technical field of ceramic production, and particularly relates to high-quality copper red glaze, copper red glaze porcelain and a preparation method thereof. The copper red glaze is prepared from feldspar, quartz, wollastonite, copper oxide, calcite, malachite, talcum powder, Sanbao mud and glaze stone. According to the invention, the raw ore is taken as the main raw material, the raw ore has the advantages of low cost and environmental protection, in addition, the unique internal structure and components of the raw ore can endow porcelain with excellent color and luster, so that the surface of the copper red glaze is smoother, the color is more gorgeous, and the copper red glaze is more layered. Meanwhile, by strictly controlling the conditions and parameters of the preparation process, the cracking rate and defects of the glaze surface can be greatly reduced, and the quality of the copper red glaze is higher.

The invention discloses a lightweight lithium mineral microscopic image real-time detection and instance segmentation method, and belongs to the technical field of computer vision and image segmentation, and the method comprises the steps: constructing a sample data set; wherein the sample data set comprises lithium mineral microscopic images and corresponding segmentation labels; the YOLO11-seg segmentation model is improved, and the improved YOLO11-seg segmentation model is obtained; the sample data set is used to train the improved YOLO11-seg segmentation model; and the trained and improved YOLO11-seg segmentation model is utilized to realize lithium mineral microscopic image real-time detection and instance segmentation. The model provided by the invention can be deployed in resource-constrained equipment and embedded equipment, and can realize accurate detection and segmentation of main components (lepidolite, quartz and feldspar components) in lithium ore.

The invention provides a comprehensive utilization method of lithium-containing granite resources, which comprises the following steps: grinding lithium-containing granite raw ore to below 0.6 mm to obtain coarsely ground ore which accounts for 20-35% of the coarsely ground ore with the particle size of 0.6-0.3 mm; carrying out low-intensity magnetic separation and high-background field intensity magnetic separation on the roughly ground minerals to obtain a magnetic substance 1 and a non-magnetic substance 1; the magnetic substance 1 is subjected to regrinding, desliming and flotation to obtain lithium concentrate, and the groove bottom ore pulp 1 is subjected to high background field intensity magnetic separation to obtain porcelain clay; and the non-magnetic substance 1 is subjected to reselection, scrubbing, screening, flotation and the like to obtain tin concentrate, a feldspar product and low-iron quartz sand, and the low-iron quartz sand is subjected to acid pickling to obtain a high-quality quartz sand product. According to the method, the recovery rate of Li2O is increased, besides lithium concentrate, various products meeting market requirements such as feldspar concentrate, low-iron photovoltaic quartz sand, ceramic raw materials and tin-grade concentrate can be obtained, the discharge amount of tailings is low, and the method has the advantages of being high in comprehensive utilization rate of resources and low in processing cost.

The application discloses a kind of jade color seepage luxury stone effect ceramic rock plate and preparation method thereof, the ceramic rock plate includes body, transparent face glaze layer, jade texture pattern layer, composite dry particle layer, first protective glaze layer, transparent dry particle layer and second protective glaze layer in turn from bottom to top;The raw material components of preparation composite dry particle layer include seepage color dry particle and transmittance dry particle, and the raw material components of seepage color dry particle include by weight 65-69 parts of zircon, 5-7 parts of lithium mica, 10-15 parts of opal, 3-5 parts of kyanite and 1-5 parts of calcium-aluminium garnet;The raw material components of transmittance dry particle include by weight 20-25 parts of sodium feldspar, 25-30 parts of quartz, 14-16 parts of calcite, 8-12 parts of wollastonite and 13.5-15.5 parts of zinc oxide.The ceramic rock plate can truly restore the randomness, level and multicolor interweaving effect of jade color seepage, improve the warm and moist texture and natural luster of product surface, realize the luxury stone effect of jade color seepage.

The invention discloses a flotation collecting agent formula based on quartz, a preparation method and an extraction method. The flotation collecting agent formula comprises a cation collecting agent and an anion collecting agent which are used in cooperation. Wherein the cation collecting agent is prepared from the following components in parts by weight: 10 to 40 parts of dodecyl amine, 10 to 40 parts of coconut oil alkylamine, 2 to 8 parts of dodecyl trimethyl ammonium chloride, 1 to 4 parts of a nonionic surfactant, 2 to 8 parts of ethanol and 5 to 10 parts of hydrochloric acid; the anion collecting agent comprises a sulfonate surfactant; the use of hydrofluoric acid is greatly reduced, fluorine pollution is reduced, the anionic collector and the cationic collector are compounded to play a synergistic role, implementation can be carried out under the weak acid condition, agent preparation and process control are simple and convenient, the agent dispersity is good, temperature and ore property fluctuation can be adapted, the flotation selectivity and recovery rate of quartz and feldspar can be remarkably improved, and the flotation efficiency is improved. The resource utilization value of the tailings is improved.

The application discloses a white granite type high-purity quartz purity prediction method and application thereof, and belongs to the technical field of rock purity prediction. The prediction method encodes and assigns one or more prediction parameters, such as main mica types, rock structures, rock structures, feldspar types, quartz types, solid inclusions, liquid inclusions, solid inclusion quantity, aluminum impurity element content grading, titanium and lithium element content grading, calcium and phosphorus element content grading, potassium and sodium element content grading and grain factor grading, and then predicts the quartz purity in the ore based on a random forest classifier prediction model or a support vector machine prediction model. The comparison between the actual measurement and the prediction result proves that the prediction method has accurate and reliable prediction results, realizes the replacement of manual detection by artificial intelligence prediction, greatly reduces the manpower and material resources, and provides an efficient and accurate prediction method for quartz purity prediction.

The application discloses a method for purifying feldspar concentrate by superconducting high-intensity magnetic separation, and belongs to the technical field of high-quality industrial raw material purification, and comprises the following steps: crushing, grinding, desliming, high-intensity rough magnetic separation, high-intensity magnetic separation, grading, fine-particle high-intensity magnetic separation, solid-liquid separation and dehydration; according to the differences between feldspar ore and associated minerals in hardness, granularity, dissociation degree and specific magnetic susceptibility, reasonable physical beneficiation processes are selected, and the raw ore is selected into three products, i.e., building material raw materials which can be used as cement and aerated brick raw materials, and medium-granularity feldspar concentrate and fine-granularity feldspar concentrate which can be used as photovoltaic glass raw materials, so that the comprehensive utilization rate is 100%, all the processes are green and environmentally-friendly physical beneficiation processes, no pollution is generated, no flotation process is needed, tailing and tail water zero discharge is realized, and the method is suitable for large-scale production and application.

The present invention discloses a method for purifying Cambrian powder quartz to prepare 4N grade high-purity quartz, including: coordinating and scrubbing the raw ore with a dispersant; removing 400 mesh fine mud by sedimentation to extract silicon and reduce impurities; removing iron-containing minerals by strong magnetic separation to obtain magnetic and non-magnetic materials; screening the non-magnetic materials to remove +40 mesh coarse particles; using a new agent to reversely flotate the 40+400 mesh non-magnetic materials to remove feldspar and other black impurity minerals to obtain a flotation concentrate; screening the flotation concentrate to obtain 40+80 mesh coarse particles, which are then pickled, calcined, water-quenched, and pickled to obtain a 4N grade high-purity quartz concentrate; screening the flotation concentrate to obtain 80+400 mesh fine particles, which are then pickled once to obtain a 3N7 grade high-purity quartz concentrate; the fine mud, magnetic materials, +40 mesh coarse particles, and flotation quartz can be used to make aerated bricks and new building materials. The present invention realizes the cascade high-value utilization of Cambrian powder quartz resources, greatly improves economic value and social benefits, and is also applicable to the purification of other types of powder quartz.

The invention discloses a method for recovering fine-crushed gold-loaded resin from gold ore leaching residues, and belongs to the technical field of mineral processing. The invention provides an efficient recovery method aiming at the problem of resource waste caused by loss of fine-crushed gold-loaded resin along with leaching residues in the gold extraction process of a resin ore pulp method. The gold ore tailings mainly comprise silicate minerals such as quartz, feldspar and mica, the granularity is fine, and the viscosity of ore pulp is high. The method comprises the following steps: carrying out size mixing and dispersion pretreatment on the tailings containing the fine-crushed gold-loaded resin; gold-bearing resin rough concentrate is obtained through screening and grading; the rough concentrate is subjected to desliming pretreatment; the deslimed materials are subjected to dense medium separation and concentration, and efficient separation is achieved through the density difference between resin and gangue minerals; and finally, the obtained gold-bearing resin concentrate is subjected to medium drainage washing. The sorting technology adopted by the invention has the advantages of high separation precision, strong adaptability and the like, can realize efficient recovery of fine-crushed gold-loaded resin from a complex tailing system, and has remarkable economic benefits and environmental benefits.

The application provides an asynchronous flotation enrichment method and application based on quartz and feldspar. The asynchronous flotation enrichment method comprises the following steps: S1, providing a to-be-processed ore material containing quartz and feldspar; S2, adding a tertiary amine cationic collector and then adding an anionic collector in the presence of a feldspar depressant, and then performing quartz flotation on the ore material to obtain a first feldspar and quartz rough concentrate; and S3, performing feldspar flotation on the quartz rough concentrate by using a feldspar combined collector in the presence of a feldspar activator and a quartz depressant to obtain a second feldspar and quartz concentrate. In the quartz flotation, the combination of the tertiary amine cationic collector and the anionic collector can realize the pre-enrichment of the quartz under neutral conditions; meanwhile, the pre-enrichment of the quartz reduces the feldspar content of the to-be-processed ore slurry in the feldspar flotation, and the use amount of the feldspar activator can be effectively reduced, so that the feldspar flotation under weakly acidic or neutral conditions is realized.

This invention discloses a black-based blue-spotted glaze with an earthworm-like pattern and its preparation method. The glaze consists of a body, a black base glaze, and a blue-spotted glaze from the inside out. The raw materials for the black base glaze are: feldspar, calcite, calcium borate, dolomite, talc, barium carbonate, quartz, bentonite, zirconium silicate, rutile, cobalt oxide, manganese oxide, and iron oxide. The raw materials for the blue-spotted glaze are: feldspar, limestone, alumina, talc, barium sulfate, Datong clay, zinc oxide, quartz, and titanium dioxide. The preparation method includes: 1. Wet ball milling the black base glaze raw materials to obtain a black base glaze slurry; 2. Wet ball milling the blue-spotted glaze raw materials to obtain a blue-spotted glaze slurry; 3. Bisque firing the body; 4. Applying the black base glaze slurry to the body and drying it; 5. Applying the blue-spotted glaze slurry to the body and drying it; 6. Oxidation firing and reduction firing of the body, followed by natural cooling to obtain the black-based blue-spotted glaze. The raw material formula of this invention is reasonable and environmentally friendly, which can improve the mechanical properties of the glaze; the preparation method is simple and the yield is high.

The invention discloses an environment-friendly feldspar supramolecular inhibitor as well as a preparation method and application thereof, and relates to the field of mineral processing. Wherein R is shown in the specification. The method is used for separating quartz and feldspar in minerals with the feldspar content higher than that of quartz. According to the method, feldspar in minerals is inhibited through the fluorine-free environment-friendly feldspar supramolecular inhibitor, quartz is floated, the agent is green and environmentally friendly, the dosage of the agent is small, the cost is reduced, and the separation efficiency and the purity of quartz are improved.

The invention discloses a high-shading low-contrast reddish brown colored drawing porcelain glaze and a preparation method thereof, and belongs to the technical field of inorganic non-metallic materials. The porcelain glaze is prepared from the following components in percentage by mass: 18 to 25 percent of quartz, 25 to 40 percent of feldspar, 4 to 6 percent of calcite, 10 to 20 percent of kaolin, 8 to 12 percent of iron-rich clay, 0.3 to 0.8 percent of sodium carboxymethyl cellulose and 0.1 to 0.3 percent of sodium tripolyphosphate. The preparation method comprises the following steps: carrying out wet ball milling on a glaze raw material to prepare glaze slip, and controlling the specific gravity to be 1.40-1.50 g / cm < 3 >; applying to a glaze blank to form a glaze layer with the thickness of 0.2-0.5 mm; and sintering by keeping the temperature of 1150-1190 DEG C in an oxidizing atmosphere for 40-60 minutes. Through specific component design and application of the non-presintered iron-rich clay, in combination with optimized glaze slip performance and firing system, directional diffusion of iron ions and precipitation of alphaFe2O3 microcrystals are effectively promoted, and a reddish brown colored drawing effect with natural color transition, strong rendering feeling and low contrast is obtained; the technical problem that traditional reddish brown colored drawing is fuzzy in boundary and uncontrollable in shading is solved, and the product is high in artistic expressive force and good in process repeatability.

The present disclosure provides a soil composition including zeolites, mineral components, activating components, and additives, wherein zeolites may include phillipsite, chabazite, and faujasite. Furthermore, mineral components may include brown tuff, coarse tuff, olivine, clay, and pyroxene, while the activating components may include calcite, smectite, volcanic glass, and feldspar. On the other hand, beneficial additives and fertilizers related additives are included in the composition of the present disclosure to improve soil health and nutrient availability. The soil composition is configured to improve plant growth and optimizing soil health for sustainable agricultural and horticultural applications. The present disclosure also provides a method for preparing the soil composition.

The invention discloses a method for determining a black shale material source carrying path, and relates to the technical field of shale oil and shale gas exploration and development engineering. According to the method, the contents of clay minerals and feldspar are specially selected to be combined with the granularity of shale particles to establish a series of plane contour maps, and through superposition of the plane contour maps, a carrying path with siliceous clastic rock as a main material source, a carrying path with carbonate rock as a main material source and a carrying path of gravity flow are judged; and the carrying path of the black shale of the target layer series in the research area is determined through superposition of the carrying paths. According to the method for determining the carrying path of the black shale material source, the ancient landform of the sedimentary basin can be effectively recovered, an important means is provided for optimization of a favorable shale oil and gas exploration and development area, and then the success rate of well drilling can be effectively increased.

The invention discloses a process for directly purifying quartz sand through gravity-flotation combined separation, and belongs to the technical field of deep processing of non-metallic ores. An existing acid leaching-roasting method is large in pollution and high in cost, and impurities such as Fe, Ti and Al are difficult to remove at the same time through single reselection or flotation. The method comprises the following steps: firstly, crushing raw ore, performing rod milling, and classifying by a cyclone until d90 is equal to 0.15 mm; then combined reselection is conducted through a two-section table concentrator and a centrifugal machine, pre-enriched concentrate with SiO2 larger than or equal to 99.2% is obtained, and the heavy mineral removal rate is larger than or equal to 65%; then, under different pH conditions, lauric acid, a neutral oil emulsified collecting agent and a mixed amine collecting agent are used for collecting mica and feldspar in a segmented mode, so that the grade of SiO2 is increased to be larger than or equal to 99.9%, and Al2O3 and Fe2O3 are reduced to be larger than or equal to 85% and larger than or equal to 70% relative to gravity concentrate; finally, deionized water washing and vacuum drying are conducted, and the high-purity quartz sand is obtained. The whole process is free of hydrofluoric acid and high-temperature roasting, the recovery rate of SiO2 with the size fraction of-0.6 + 0.1 mm is increased to 93-95%, product indexes are stable, equipment is conventional, and industrial popularization is easy.

The invention discloses celeste glaze fired in a non-reducing atmosphere and a preparation method of the celeste glaze. The celeste glaze provided by the invention is prepared from the following raw materials in percentage by mass: 56 to 60 percent of feldspar, 15 to 18 percent of quartz, 10 to 13 percent of calcite, 1 to 3 percent of talc, 5 to 8 percent of kaolin and 6 to 8 percent of celadon pigment. The main crystalline phase of the celadon pigment is zirconium silicate, vanadium ions and iron ions playing a coloring role are wrapped outside the zirconium silicate, the molar concentration of the vanadium ions is 2%-4%, and the molar concentration of the iron ions is 1%-3%. According to the method, the vanadium iron ion celadon pigment wrapped by the high-temperature pre-stabilized zirconium silicate is used as the coloring agent, and the celeste blue glazed porcelain is fired in the non-reducing atmosphere, so that the core problem existing in the traditional firing in the reducing atmosphere is successfully solved. And ferrovanadium ions in the coloring agent are stably wrapped in zirconium silicate crystals and are not influenced by the fluctuation of the firing atmosphere, so that the consistency of the glaze color of the same batch of celeste glaze is ensured. Regulation and control of the celeste glaze color are achieved through the adding amount of the celadon pigment, operation is easy, convenient and visual, and dependence on technical experience of operators is reduced.

A composition for manufacturing an engineered stone, said composition comprising a binder and a mineral filler, wherein said binder represents less than 15 % on a weight basis of the composition wherein: - said mineral filler comprises one or more feldspathoid; and / or - said mineral filler comprises a feldspar.