Tsinghua University

China University of Petroleum

Petrochina Company Limited

Huadian Coal Industry Group Co., Ltd.

Xiulin Wang

Changyu Sun

Tong Wang

Fei Wei

Guangjin Chen

An Ma

Weizhong Qian

Changping Gao

Yu Cui

Xiaoping Tang

Zuoru Yin

Xiaofan Huang

Lijun Yan

Xuqiang Guo

The present invention relates to a system and process for preparing aromatics from syngases, which has advantages of shortened flow process and reduced investment. The process comprises reforming the liquefied gas, separated dry gas with a water steam to produce carbon monoxide and hydrogen, which return, as raw materials, to the aromatization system, so that the problem of by-product utilization is solved, and the syngas unit consumption per ton of aromatic products is reduced. The problem of utilization of a dry gas as a by-product is also solved in the present invention from the perspective of recycling economy, which reduces the water consumption in the process, and conforms to the concept of green chemistry.

System and method for preparing aromatics by using syngas

An apparatus and a method that increase the concentration of recycled hydrogen in the hydrogenation unit are disclosed having a hydration separation unit included between the high-pressure separator and hydrocracking reactor. A part of the recycled hydrogen contacts with the water-in-oil microemulsion to form hydrates from which the light hydrocarbon components are removed. The gas flow entering into the hydration separation unit is present in amount of 20%&#x2dc;100% of the total gas flow coming from the high-pressure separator; the water-in-oil microemulsion, in which the volume ratio of oil and water is 1:1 to 5:1 may increase hydrogen partial pressure in the reactor and thus upgrade the performance of hydrogenation.

Apparatus and method for increasing the concentration of recycled hydrogen in a high pressure hydrogenation reactor

Growing community of inventors

Beijing, China

Xiulin Wang