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40results about How to "Increase ion content" patented technology

Conditioner for heavy-metal-contaminated soil of acid farmland and preparation method and application thereof

The invention discloses a conditioner for heavy-metal-contaminated soil of an acid farmland and a preparation method and application thereof. The soil conditioner is mainly composed of clay minerals,iron-based minerals, phosphorus-based compounds, betel nut residue decomposed fertilizer, betel nut residue powder, quick lime and the like; the preparation method of the conditioner comprises the steps that betel nut residues, farmyard manure and straw are decomposed by means of an accumulation method to obtain the betel nut residue decomposed fertilizer; betel nut residues are dried and crushedto obtain the betel nut residue powder; after the betel nut residue decomposed fertilizer, the betel nut residue powder, the clay minerals, the iron-based minerals and the phosphorus-based compounds are mixed, the quick lime is adopted for adjusting the pH to alkalinity, and the conditioner is obtained; the conditioner is used for the heavy-metal-contaminated soil so that not only can free heavy metal ions in the soil be efficiently adsorbed and fixed and prevented from entering crops effectively, but also the original ecological environment and soil structure of the farmland are not destroyed, the soil fertility is improved at the same time, the damage of harmful organisms in soil is reduced, and the yield of the crops is increased.
Owner:湖南本农环境科技有限公司

Method for preparing spherical silicon dioxide fine powder high in insulation property

The invention provides a method for preparing spherical silicon dioxide fine powder high in insulation property. A combustion furnace and a classifier are included. The classifier is connected with a draught fan, a conveying pipeline is arranged between a discharging opening of the combustion furnace and a feed inlet of the classifier, and the conveying pipeline is provided with a humidifying device and a diluent air inlet. During preparation, silicon dioxide fine powder with the purity of 99.8% or above is selected as the raw material and is combusted by the combustion furnace to obtain spherical silicon dioxide fine powder, then the spherical silicon dioxide fine powder enters the conveying pipeline, air or inert gas serves as a diluent, combustion waste heat of the combustion furnace serves as impurity removal heat, the humidity of the diluent in the conveying pipeline is controlled through the humidifying device, the spherical silicon dioxide fine powder is subjected to impurity removal, and finally the spherical silicon dioxide fine powder without impurities is collected through the classifier. The prepared silicon dioxide fine powder has a low ion content and shows a better filler insulation property, and heat resistance and electric performance of downstream products produced through the method are more excellent.
Owner:JIANGSU NOVORAY NEW MATERIAL CO LTD

Preparing method for quaternary ion copolymer-inorganic composite bionic electric driving active material

The invention discloses a preparing method for a quaternary ion copolymer-inorganic composite bionic electric driving active material. The preparing method comprises three technology steps of quaternary ion copolymer nano-emulsion preparing, quaternary ion copolymer latex film preparing and quaternary ion copolymer and inorganic electric conduction filler composite electrode layer preparing. The semicontinuous emulsion polymerization technology is adopted for quaternary ion copolymer nano-emulsion preparing, reduced pressure distillation treatment is conducted on reaction monomer, a polymerization inhibitor is removed, low-temperature storage is conducted for later usage, and then the quaternary ion copolymer nano-emulsion is prepared by implementing the polymerization reaction technology. During quaternary ion copolymer latex film preparing, polymer nano-emulsion is slowly poured in a flat bottom groove glass die in the normal-temperature and normal-pressure environment, and a quaternary ion copolymer latex film is prepared. Raw materials for preparing the quaternary ion copolymer-inorganic composite bionic electric driving active material are common and easy to obtain, and the preparing technology is simple and environment-friendly; and the prepared product has the beneficial effects that flexibility and tenacity are combined, the bionic electric driving performance is good, biocompatibility is good, the preparing cost is low, and the application prospects are wide.
Owner:QINGDAO UNIV

A wastewater treatment technology device for nickel-containing wastewater

ActiveCN113735290BFacilitated DiffusionAchieve the effect of secondary filtering treatmentWater contaminantsTreatment involving filtrationSorbentPhysical chemistry
The invention discloses a wastewater treatment technology device for nickel-containing wastewater, which comprises a purification cylinder and a cylinder cover. The upper end surface of the purification cylinder is provided with four sets of limit blocks at equal intervals in a ring, and the ground of the cylinder cover is fixed at an equal interval in a ring. Four sets of limit rods are connected, and the block-shaped heavy metal adsorbent above the bottom of the I-shaped plate is slowly dissolved by water, and moves up and down as the I-shaped plate moves up and down, thereby dissolving the block-shaped heavy metal adsorbent on the outer surface. The heavy metal particles are rapidly diffused outward by the agitation of water, thereby absorbing heavy metal ions such as nickel ions in the water, and finally fall on the upper surface of the first film through the filter holes of the I-shaped plate, and the water flows from the gap between the first film and the purification chamber. The gap flows out and leaves the device through the water outlet, and the heavy metal adsorbent particles adsorbed with heavy metal ions such as nickel ions slowly accumulate on the first film, thereby completing the collection of heavy metal ions such as nickel ions.
Owner:深圳市源创鑫环保科技有限公司
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