China Petroleum & Chemical Corporation

Fushun Research Institute of Petroleum and Petrochemicals, Sinopec Corp.

Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp.

Yan Wang

Xiangchen Fang

Xin Chen

Huimin Qi

Luyao Wang

Deqiang Peng

Wei Liu

Tao Liu

Ronghui Zeng

Jianbing Chen

Shengzhong Zhang

Fanfei Meng

Zhiyu Liu

Xuehui Zhang

Xin Li

Baozhong Li

Jie Liu

Zhenmin Bai

Yuzhuo Zhao

A method of wax oil hydrocracking includes the steps of pre-hydrotreating wax oil to obtain a pre-hydrotreated material flow; controlling the pre-hydrotreated material flow and a hydrogen-containing material flow to contact with a first hydrocracking catalyst to obtain a first hydrocracked material flow, and dividing the first hydrocracked material flow into a first hydrocracked material flow A and a first hydrocracked material flow B; controlling the flow B and a hydrogen-containing material flow to contact with a second hydrocracking catalyst to obtain a second hydrocracked material flow, and then separating and fractionating the second hydrocracked material flow to obtain a hydrocracked tail oil product; controlling the flow A, at least a part of the hydrocracked tail oil product, and a hydrogen-containing material flow to contact with a hydrogenation isocracking catalyst to obtain a hydrogenation isocracked material flow, and then separating and fractionating the obtained hydrogenation isocracked material flow.

Wax oil hydrocracking method and system

A crystallization column and a crystallization method. The crystallization column comprises an upper head (), a tower body () and a lower head (), wherein a crystallization section () is provided with a tray (); and the tray () comprises a tray plate () and a plurality of lower crystallization members (). The top end of the lower crystallization member () can form a movable connection with the tray plate (), so that the two adjacent lower crystallizing members () are capable of oscillating collisions. The tray () may also comprise a plurality of upper crystallization members () extending upwardly from the upper surface of the tray plate ().

Crystallization column and crystallization method

The present disclosure provides a reactor for at least two liquid materials, comprising an enclosed reactor housing; a feeding tube having liquid material inlets for receiving corresponding liquid materials respectively; a distribution tube communicating with the feeding tube and extending into the reactor housing, the distribution tube being provided with a plurality of distribution holes in the region thereof extending into the reactor housing; a rotating bed in form of a hollow cylinder, which is disposed in the reactor housing via a fixing mechanism, thus dividing inner cavity of the reactor housing into a central area and an outer area, the rotating bed being capable of rotating driven by a driving mechanism; and a material outlet provided in a lower portion of the reactor housing for outputting product after reaction. The distribution tube extends into the central area spaced from inner surface of the rotating bed, so that materials can enter into the outer area from the central area through the rotating bed and can be output via the material outlet.

Reactor and alkylation process using the reactor

Growing community of inventors

Liaoning, China

Yan Wang