3results about How to "High metal content" patented technology

The invention discloses a titanium metallocene compound with limited geometric configuration and a preparation method and application thereof, the titanium metallocene compound with limited geometric configuration is a compound with a general formula (I): wherein R1, R2, R3 and R4 are the same or different and are respectively and independently selected from alkyl; r is selected from one of fluoro, methoxyl, methyl, tert-butyl and-H; and n is 1 or 0. The titanium metallocene compound with the limited geometric configuration has better catalytic activity, and prepared polypropylene is high in melt index and good in fluidity. The titanium metallocene compound with the limited geometric configuration is synthesized from different amido groups, the optimization of the whole synthesis route is completed, the problem of monosubstitution in silicon bridging reaction is solved, and the whole process has high yield. The raw materials are easy to obtain and low in cost, and technological production is easy to realize.

This utility model discloses a waste catalyst resource utilization system, comprising a waste catalyst storage tank, an electromagnetic powder separator, a silica storage tank, a mixer, a fluidized bed, a nitrogen pipeline, and a hydrogen chloride pipeline. The outlet of the waste catalyst storage tank is connected to the inlet of the electromagnetic powder separator; the outlets of both the electromagnetic powder separator and the silica storage tank are connected to the inlet of the mixer; the outlet of the mixer is connected to the inlet of the fluidized bed; and the outlets of the nitrogen and hydrogen chloride pipelines are connected to the inlet of the fluidized bed. The advantages of this utility model are: its simple connection structure is easy to implement, effectively reacting the silica powder in the waste catalyst to generate trichlorosilane, silicon tetrachloride, and other materials for the production of silica, thus fully utilizing the silica powder in the waste catalyst; the copper and other metal content in the remaining waste catalyst is significantly increased, allowing it to be used as a copper extraction raw material for direct sale, avoiding the generation of large amounts of industrial wastewater and increasing the economic benefits for enterprises.

The application discloses a catalytic hydrogenation method of carbon nine resin, and is characterized in that the method comprises the following steps: (1) placing a Pd-W-Yb / silica gel-activated carbon co-precipitation catalyst in the front half of a fixed bed, placing a Co-Ru-Yb / silica gel co-precipitation catalyst in the rear half of the fixed bed, and reducing by hydrogen; (2) catalytically hydrogenating pretreated carbon nine resin in the fixed bed. Compared with the prior art, the catalytic hydrogenation method of carbon nine resin has high catalytic efficiency and simple process, and the catalytic hydrogenation method can obtain a product with good colority and low bromine value.