9 results about "Palygorskite" patented technology

The application discloses a palygorskite / calcium silicate composite material. The palygorskite / calcium silicate composite material is composed of calcium silicate and modified palygorskite, wherein the modified palygorskite is palygorskite modified by succinic acid and catechin, and the modified palygorskite is loaded on the surface of the calcium silicate. Compared with the prior art, the application combines the modified palygorskite and the calcium silicate to form a synergistic effect, so that the acid soil can be repaired efficiently, economically and sustainably.

The application discloses a palygorskite organic modified polyferric flocculant, a preparation method and application thereof, and the preparation method of the flocculant comprises the following steps: activating palygorskite with hydrochloric acid, modifying the palygorskite with a silane coupling agent, copolymerizing the modified palygorskite with ferric chloride and sodium hydroxide alkalization, and obtaining the palygorskite organic modified polyferric flocculant through standing, curing and calcining of the product. The flocculant has the advantages of low cost, simple synthesis method, mild reaction condition, good treatment effect, effective reduction of the dosing amount, improved water treatment capacity, excellent removal rates of COD and heavy metal antimony of printing and dyeing wastewater. After the printing and dyeing wastewater is treated by the flocculant, the optimal removal rate of COD reaches 73.2%, and the total antimony removal rate reaches 98.53%.

The present application relates to the technical field of photocatalytic treatment of antibiotics in wastewater, and particularly relates to a composite photocatalytic material, a preparation method and application thereof. Melamine, palygorskite and water are mixed to obtain a mixed solution; the mixed solution is mixed with melamine foam, and after the melamine foam absorbs the mixed solution, drying is performed to obtain a precursor; the precursor is calcined to obtain the composite photocatalytic material. The composite photocatalytic material prepared by the present application can effectively improve the performance of the material in adsorbing antibiotics in water, enhance the photocatalytic degradation activity, and is easy to recycle, thus having a broad development prospect.

The present application relates to the technical field of honeycomb ceramics, in particular to a bonding material, application and preparation method of large-specification super-high-pore-density dense alumina honeycomb ceramics. The composition of the bonding material comprises low-melting-point glass powder, spherical alumina powder, inorganic gel, palygorskite powder, silica sol and water. The bonding material can realize low-temperature sintering, significantly reduce energy consumption and avoid the unit block cracking problem of super-high-pore-density dense alumina honeycomb ceramics caused by secondary high-temperature sintering; and make the bonding material have an ultra-long shelf life without using organic suspending agents; the method can realize the preparation of super-large-specification products, sinter a plurality of unit blocks at one time, and significantly reduce production cost.

The application relates to the technical field of building waterproofing, and discloses modified attapulgite, a preparation method of the modified attapulgite, a composition for asphalt waterproof coating, asphalt waterproof coating, a preparation method of the asphalt waterproof coating and application. The preparation method of the modified attapulgite comprises the following steps: mixing and treating a dispersion medium in which a modifier is dispersed and attapulgite at 90-110 DEG C to obtain the modified attapulgite; the modifier is selected from cerium stearate and / or lanthanum stearate; and the mass ratio of the attapulgite to the modifier is 1:0.03-0.2. The asphalt waterproof coating provided by the application can form a three-dimensional network structure through 'interface vulcanization', and can endow the product with higher shearing resistance and bonding strength, and can effectively resist the overall slippage of the waterproof layer.

The application belongs to the technical field of mortar preparation, and particularly relates to a preparation method of modified cement-based polymer mortar, which comprises the following composition raw materials of the modified cement-based polymer mortar: nano aluminum sol, volcanic rock powder, Portland cement, palygorskite powder, modified fiber, industrial solid waste powder, styrene-acrylic emulsion, 3-chloro-2-hydroxypropane sulfonic acid ionization modified hyperbranched polyamino acid, fatty acid-based polyadduct, calcium borogluconate, sodium lauryl polyoxyethylene ether sulfate modified cross-linking type superabsorbent resin, fine sand, flocculating agent, accelerator and powdery water reducing agent. In the application, the flocculating agent and the accelerator are prepared, the flowability of the polymer cement-based mortar is sufficient to meet the construction requirements, the defects of the conventional polymer cement waterproof mortar, such as low compressive strength, large shrinkage rate and poor corrosion resistance, are solved, and the modified cement-based polymer mortar has the remarkable advantages of good impermeability, high water absorption rate, high bending strength and high bonding strength, and convenient construction.

The application relates to the technical field of building waterproofing, and discloses modified attapulgite, a preparation method of the modified attapulgite, a composition for asphalt waterproof coating, asphalt waterproof coating and a preparation method of the asphalt waterproof coating; the preparation method of the modified attapulgite comprises the following steps: mixing attapulgite, a modified solution and aliphatic diglycidyl ether to obtain the modified attapulgite; the modified solution contains 3-5 wt% of a silane coupling agent and 2-3 wt% of an intercalating agent; the aliphatic diglycidyl ether is at least one selected from polypropylene glycol diglycidyl ether, glycerol polyglycerol ether and 1,6-hexanediol diglycidyl ether; the mass ratio of the attapulgite to the modified solution is 1:3-8; and the mass ratio of the attapulgite to the aliphatic diglycidyl ether is 100:0.5-3. The waterproof coating prepared from the modified attapulgite has excellent adhesion, shear resistance and anti-slippage performance.

The application discloses a preparation method of low-calcium-magnesium strontium-rich water and application thereof. The method comprises the following steps: filtering strontium-containing raw water through quartz sand and activated carbon in sequence, and performing primary nanofiltration separation through a polyamide composite nanofiltration membrane; and then performing secondary nanofiltration separation through a sulfonated polyether sulfone composite nanofiltration membrane. According to the strontium content in the water produced by the secondary nanofiltration, the water can be mineralized through a selective strontium-rich mineralization filter element made of strontium spar, celestite and palygorskite which are sintered and subjected to carbonation treatment. Through the cascade synergistic effect of the two-stage nanofiltration, the application realizes efficient removal of calcium and magnesium ions, and obtains strontium-rich water with a strontium content of 2.0-8.5 mg / L and a significantly reduced calcium, magnesium and chlorine ion content, which can be applied in the fields of medicine, beverage, drinking water or health food.

The application discloses a light autoclaved aerated concrete block and relates to the technical field of concrete blocks.The light autoclaved aerated concrete block comprises the following raw materials: cement, lime, base material, modified palygorskite, calcium sulfate dihydrate, aluminum paste, foam stabilizer and deionized water.In the application, the fibrous structure of the modified palygorskite can form a network framework in the slurry, fill the internal pores and block the capillary channels, so that the overall structural compactness and surface strength of the block are improved, and the drying shrinkage and water absorption are reduced.The alkyl benzene sulfonic acid sodium in the foam stabilizer can reduce the surface tension of the slurry and promote the generation of a large number of bubbles.Nano silicon dioxide can form a rigid support framework in the bubble liquid film to prevent the bubbles from merging or breaking.Polyvinyl alcohol forms an elastic protective film on the bubble surface, prolongs the bubble life, greatly improves the block closed porosity, guarantees the light weight of the block, reduces the drying shrinkage due to the uniformity of the pores, and improves the impermeability and overall strength.