Dongguan Juzhengyuan
Entity
Dongguan Juzhengyuan Technology Co., Ltd. (Grand Resource)
Predominantly Chemicals Operations
Lisha Island
http://www.jzyjt.cn/cpfw/info.aspx?itemid=231

Production equipment introduction

Dongguan Juzhengyuan Technology Co., Ltd.’s propane dehydrogenation to high-performance polypropylene project has a total polypropylene production capacity of 1.2 million tons/year in two phases. The first phase of the 600,000 tons/year production capacity was put into production in 2019, and the second phase of the 600,000 tons/year production capacity was put into trial production in May 2023.

The production unit mainly consists of three parts: PDH unit, PP unit and PSA hydrogen production unit.

The PDH unit adopts the patented CATOFIN technology of Lummus Corporation of the United States, which uses chromium-based catalysts to dehydrogenate propane into propylene in a fixed-bed reactor. 

The PP device adopts the UNIPOL gas phase process of Grace Company of the United States, which is a gas phase fluidized bed process. It adopts a high-efficiency catalyst system. The main catalyst is a high-efficiency carrier catalyst, and the co-catalyst is triethyl aluminum and an electron donor. It has the characteristics of simple process, flexibility, economy and safety.

The PSA hydrogen production unit utilizes the PDH unit to produce tail gas and adopts the pressure swing adsorption technology of Southwest Chemical Research and Design Institute Co., Ltd. to produce high-purity hydrogen with a purity of 99.999% and an annual production capacity of 3,000 tons. It is currently the largest source of hydrogen in the hinterland of the Greater Bay Area and is responsible for ensuring the supply of hydrogen for the development of the Greater Bay Area’s hydrogen energy industry.

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UserPic  Kokel, Nicolas
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