4 results about "Inorganic sulfide" patented technology

The invention provides application of water-soluble inorganic sulfide in improvement of plant salt stress resistance and / or improvement of saline-alkali soil, relates to the technical field of agriculture, and provides application of water-soluble inorganic sulfide in improvement of plant salt stress resistance and / or improvement of saline-alkali soil. The water-soluble inorganic sulfide is selected from at least one of potassium sulfide, ammonium sulfide and calcium polysulfide, the potassium sulfide, the ammonium sulfide and the calcium polysulfide can effectively improve the germination ability of plant seeds under salt stress, and the calcium polysulfide can effectively improve the plant antioxidant system activity and the plant photosynthesis efficiency; the survival rate and the growth performance of the plants under salt stress are effectively improved; the water-soluble inorganic sulfide solution can effectively reduce the EC value of the saline-alkali soil, so that the germination rate of plant seeds in the saline-alkali soil is effectively increased, and the saline-alkali soil is effectively improved. Therefore, the application provided by the invention is of great significance in fully utilizing saline-alkali land resources and improving the crop yield.

The invention belongs to the technical field of all-solid-state battery materials, and discloses an inorganic sulfide solid electrolyte with cost advantage and high ionic conductivity as well as a preparation method and application of the inorganic sulfide solid electrolyte. The chemical general formula of the inorganic sulfide solid electrolyte is as follows: aP2S < 5-b > Li2O-cLiCl, wherein a = 0.5, 1.5 < = b < = 2.5, and 0.5 < = c < = 2. The novel high-ionic-conductivity inorganic sulfide solid electrolyte obtained by the invention can maximally realize gt; the ionic conductivity is 1mS. Cm <-1 >, and the existing high ionic conductivity (gt; the Li2S raw material with high cost is used during synthesis of the sulfide electrolyte (1, 1mS. Cm <-1 >), and the cost benefit is very good. According to the novel high-ionic-conductivity inorganic sulfide solid electrolyte, excellent ionic conductivity is reserved, meanwhile, the production cost of the sulfide solid electrolyte is well reduced, and the novel high-ionic-conductivity inorganic sulfide solid electrolyte has a good application prospect.

The invention relates to a sulfur-containing wastewater treatment method for efficiently removing sulfides. The method comprises the following steps: (1) treating sulfide-containing wastewater until the pH is alkaline; ozone is introduced into the alkaline sulfur-containing wastewater, and sulfide is oxidized into insoluble elemental sulfur; (2) adding one or two of coagulant polyaluminum chloride or polyferric sulfate, so that the elemental sulfur particles and other suspended impurities are coagulated to form large particle groups; (3) adding a cationic flocculant to flocculate elemental sulfur particles and other suspended impurities in the wastewater; and (4) carrying out solid-liquid separation on the flocculated wastewater through gravity settling, so as to realize desulfurization treatment on the wastewater containing inorganic sulfides such as S. HS and the like. According to the method, the sulfide removal rate is high and can reach 95% or above; the agent addition amount is small, the treatment cost is low, and economic benefits are good; the method is green, low-carbon and less in pesticide residue. The method is suitable for treating industrial wastewater containing S, HS, organic sulfide and the like in various industries such as coal chemical industry and petrochemical industry.

The present invention enables organically modifying a starting particle with a variety of molecular structures, such as AlN, TiN, Si3N4, or SiC, uniformly on the entire surface of the starting particle using a common method to easily provide an organically modified inorganic fine particle with further improved dispersibility in a solvent.The present invention is a method for producing an organically modified inorganic fine particle. The method includes: forming an oxide layer, an oxyhydroxide layer, and / or a hydroxide layer on a surface of at least one or more kinds of starting particle selected from inorganic nitrides, inorganic carbides, inorganic sulfides, and insoluble salts; and organically modifying the starting particle, on which the oxide layer, the oxyhydroxide layer, and / or the hydroxide layer is formed, in a reaction field of a supercritical, subcritical, or gas phase aqueous solvent to obtain an organically modified inorganic fine particle.