China Petroleum Chemical Corporation

Dalian University of Technology

Dalian Research Institute of Petroleum and Petrochemicals, Sinopec Corp.

Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd.

Dalian Research Institute of Petroleum and Petrochemicals, Corp.

Tao Yang

Xiangchen Fang

Tiebin Liu

Lu Liu

Huihong Zhu

Guang Yang

Zhenhui Lv

Hao Jin

Zhe Sun

Guiyong Zhang

Zhihong Yin

Hao Wang

Biye Yang

Yuyan Jiang

Zhi Zong

Tong Zhou

Yiming Shi

Zhaohui Meng

Guangan Jiang

Hongshan Guo

Zhaoyang Chen

A pseudo-boehmite has a dry basis content of 55-85 wt % and contains a phosphoric acid ester group. The sodium oxide content is not greater than 0.5 wt %, and the phosphorus content (in terms of phosphorus pentoxide) is 1.2-5.7 wt %, relative to 100 wt % of the total weight of the pseudo-boehmite. The pseudo-boehmite has a low sodium content.

Pseudo-boehmite, manufacturing process and application thereof

A silica-alumina material, its preparation and application thereof are provided. The silica-alumina material has a SiO/AlOmolar ratio of 0.8-1.5, and has a lamellar structure with an average length of 0.5-2 μm and an average thickness of 30-80 nm, and its calcined form has a specific XRD pattern. The silica-alumina material has the characteristics of large pore volume, two-stage gradient pore channels of mesopores and macropores, as well as high B acid content as in molecular sieve, and shows crystal characteristics of a molecular sieve, and low impurity content, and thus is suitable for use as a carrier for catalytic materials, particularly a carrier for heavy oil hydrogenation catalysts.

Silica-alumina material containing lamellar structure, its preparation and application thereof

The present invention relates to a solid precipitation apparatus and a solid precipitation process, wherein said apparatus and said process, particularly when used for the desalination of a high-salinity wastewater, can meet the requirement of stable operation for a long period, can realize efficient removal of salts from the wastewater, and solve the problems of difficult desalination of high-salinity wastewater, easy blockage, and the like. The solid precipitation apparatus comprises a housing, an inlet for a stream, a discharging outlet, and a support disposed in an inner chamber of said housing, wherein the configuration of said support is suitable for a solid substance to be deposited and loaded thereon.

Solid precipitation apparatus and solid precipitation process

In a method of ice distribution and data processing for ship ice resistance experiment in broken ice field, the ice floe is uniformly distributed in the broken ice field before each ship ice resistance experiment with eliminating the mutually overlapped broken ice to make it close to the experimental design working condition, and independent repeated experiments are carried out on each ship ice resistance experiment to reduce the influence of accidental factors; after finishing the experiment, the experimental data are divided into intervals and the experimental data corresponding to unreasonable subdomains are eliminated by mathematical statistics, and the uncertainty analysis is carried out; image correction is carried out for pictures of in broken ice field in the pre-experimental data, and the pictures are divided to obtain subdomain pictures to calculate the actual coverage rate of each subdomain; the ice resistance in the experimental data corresponding to each remaining subdomain is modified.

Method of ice distribution and data processing for ship ice resistance experiment in broken ice field

Growing community of inventors

Liaoning, China

Tao Yang