256results about "Germanium compounds" patented technology

A method for reducing the leaching of lead from a lead projectile impact area acting to collect or stop such projectiles includes contacting the lead projectile impact area with a seed of dry granular lead stabilizing agents. This seeding or coating of lead stabilizing agents stabilizes lead in the bullet / shot impact area while also allowing for future lead bullets, fragments or lead shot fired into the soil to be stabilized upon contact with the lead stabilizing agent seeds or contact with rainwater leaching through the lead stabilizing agent seeds produced from the projectile coating, or excess seed from the lead shell projectiles. This method eliminates the need to remove or re-treat range soils and greatly reduces the environmental and health risks associated with the use of lead as projectiles in the open environment as well as at control trap ranges.

An outstandingly low environmental impact wet process recovers the lead content of an electrode slime and / or of lead minerals in the valuable form of high purity lead oxide or compound convertible to highly pure lead oxide by heat treatment in oven at relatively low temperature, perfectly suited for making active electrode pastes of new batteries or other uses. The process basically comprises the following treatments:a) suspending the impure lead containing material in an aqueous bath containing at least a lead oxide dissolving acid;b) reducing any insoluble lead dioxide to lead oxide by introducing in the suspension either hydrogen peroxide, a sulphite or sulphurous anhydride;c) converting all dissolved lead oxide to lead sulphate in the aqueous bath;d) obtaining a solution of lead sulphate obtained in an aqueous solution containing an acetate salt;e) precipitating and separating a purified lead compound in the form of either carbonate / oxycarbonate or of oxide / or hydroxide by adding to said acetate salt solution a carbonate salt or a hydroxide of the same cation of said acetate salt, respectively.Exemplary flow sheets according to several alternative embodiments and related processing plant diagrams are disclosed.

Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods include mixing fly ash particles with a sulfide salt and a metal salt to form a metal sulfide on the outer surface of the fly ash particles.

The present invention provides novel compounds of the formula Gei-x-ySixSny, wherein 0.01<y<0.11, and 0.26<x<0.35, and semiconductor structures comprising such compounds. The present invention also provides novel semiconductor structures comprising silicon substrates, an SiGe buffer layer, and a Group III-V or II-VI active layer. The present invention also provides novel semiconductor structures comprising silicon substrates, an SiGe buffer layer, an SiGeSn template layer, and an SiGe, Ge, Group III-V, or Group II-VI active layer.

The invention relates to a high-air-stability inorganic sulfide solid electrolyte and a preparation method and application thereof. The Sb element is applied to replace part or all of P element in thesulfide electrolyte so as to obtain the electrolyte with higher air stability and higher ion mobility and the electrolyte can be applied to the all-solid-state lithium secondary battery. The obtainedinorganic sulfide electrolyte materials are Li10M(P1-aSba)2S12, Li6 (P1-aSba)S5X, and Li3(P1-aSba)S4, wherein M is one or more of Ge, Si, and Sn, X is one or more of F, Cl, Br and I and 0.01<=a<=1.