70results about How to "Great potential for industrial applications" patented technology

The present invention provides a method for preparing acetic acid through carbonylation of methanol, wherein raw materials such as methanol, carbon monoxide and water pass through a reaction zone carrying an organic amine adsorbing acidic molecular sieve adopted as a catalyst, and a reaction is performed under a certain condition to produce acetic acid. According to the present invention, the method has characteristics of high acetic acid selectivity and good catalyst stability; and the catalyst does not contain noble metals such as rhodium or iridium, does not require iodine-containing auxiliary agents, and does not produce strong corrosive hydroiodic acid and the like.

The invention relates to a Gordona terrae C-6 and its desulfurization effect, wherein the name of the bacterium is Gordona terrae C-6, it has been preserved in China General Microbiological Culture Collection Center (CGMCC), the collection number being CGMCC NO.1361. The bacterial strain is obtained through isolating from oil-water polluted soil around high-sulfur oil wells, and can be serve as catalyst for removing sulfur atoms in benzothiophene types sulfur-containing organic compounds, especially suitable for the removal of benzothiophenes organic heterocyclic sulfur in fossil fuels such as coal, oil and related products.

The invention provides a functionalized hollow mesoporous silicon dioxide nanometer sphere, a preparation method thereof and an application in absorbing heavy metal ions. The hollow mesoporous silica nanospheres are used as raw materials, and then aminated with a silane coupling agent, and then the aminated nano-silica is combined with sodium chloroacetate to make the nano-silica grafted with the ability to adsorb metal ions bidentate functional groups. The inorganic-organic hybrid material has both the large specific surface area of ​​the hollow mesoporous nano-silica microspheres, the hollow cavity and the abundant adsorption sites in the organic side chains. Effective separation of heavy metal ions such as Cu 2+ 、Cd 2+ 、Ni 2+ , Pb 2+ Wait. The raw material of the functionalized hollow mesoporous silica prepared by the invention is cheap and easy to obtain, the process is simple, the synthesis cost is low, and the invention has great application potential in the field of treating heavy metal ion pollution in water.

The present invention relates to a cycloalkyl-substituted N-5,6,7-hydro-quinoline-8-aryl imine nickel complex catalyst and a preparation method and application thereof. The N-5,6,7-hydro-quinoline-8-aryl imine nickel complex catalyst has a structural general formula as shown in a formula I. The catalyst complex can well catalyze vinyl polymerization under the effect of cocatalyst methylaluminoxane, diethylaluminium chloride and the like to obtain a low molecular weight high branching degree polymer, the catalyst complex also has high activity, the highest activity is up to 5.33*106g (PE) mol (Ni) <-1>h<-1>; the molecular weight of obtained polyethylene wax is 1430-3330g / mol, the molecular weight distribution is between 1.38-1.92, the branching degree is up to 422 / 1000C, and the catalyst complex has good prospects for industrial application.

The invention relates to a processing device for synthesizing a surface layer of a nano-composite material in situ by performing friction stir processing (FSP) on a metal workpiece through a stirring head capable of synchronously feeding powder, and a method. A clamping part 1, a shaft shoulder 2 and a stirring probe 3 of the stirring head can be a rigid whole body or a fastening coaxial separated body; a powder feeding channel A is arranged in the stirring head; the inlet of the channel A is positioned on the side or middle axial position of the clamping part 1; and the outlet of the channel A is positioned on the surface of the middle axial position of the probe 3, which is contacted with the workpiece. During processing, a hydraulic device in a worktable capable of automatically lifting is used for pressurizing along the axial direction B of the stirring head, a rotating shaft drives the stirring head to rotate at high speed and press the workpiece, an external automatic powder feeder feeds sub-micron reinforcing phase powder into a seriously plasticized area C on the surface layer of the workpiece through the powder feeding channel A of the stirring head, and the nano-composite material is synthesized in situ through friction heat. The device is simple, is convenient to operate, is suitable for the composition and structure refining of various metal substrates, and is high in technical and economic benefit and industrial application potential.