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Does anyone know how good Changzhou Ruihua’s styrene technology is, and what is the status of production using this technology?
I really don’t know about this. I’ll cover for you for now; I hope someone can help you.
As someone from the chemical industry in Changzhou, I’m not sure about this either; I only know that there are several fairly large styrene-producing enterprises in Changzhou and Jiangyin
In China, the most authoritative team in this field is likely that of Professor Zhu Zibin from East China University of Science and Technology; back then, it was one of the key technologies developed by Sinopec and was successfully brought to industrial application. This one in Changzhou seems to be run by a young teacher from Huali University on his own.
Xinyang Technology Group uses Ruihua’s styrene technology; its current annual production capacity is 500,000 tons, and this technology is considered leading in China at present
The styrene used in Heze Yuhuang Phase II is based on the technology developed by Changzhou Ruihua, which is currently considered advanced in China
Ruihua has quite a number of applications for its technologies. The Nippon Steel plants have two units, one with a capacity of 250,000 tons and the other with a capacity of 300,000 tons. Two sets from Yuhuang, 250,000 tons each. Do you have any new installations to put in use?
Overall, Changzhou Ruihua’s styrene technology – in terms of energy consumption and material usage – does not differ much from that of foreign companies such as Ruums and Begier. It has the advantage of being more flexible due to the technical alliance formed by Shanghai Petrochemical Research Institute, Beijing Institute of Petrochemical Technology, and East China University of Science and Technology. The advantage of Ruihua’s technology is that it incorporates the core elements of styrene production; however, a possible drawback is that the calculations take into account too much flexibility on the part of project owners during construction, which is a common issue with other domestic technologies as well. Companies that are currently using Ruihua’s technology include Heze Yuhuang Chemical (200,000 tons in phase 1 and 250,000 tons in phase 2), Changzhou Xinyang Group (250,000 tons in phase 1), and Shandong Shengyuan Chemical. Projects under construction include Abel Chemical’s facility with a capacity of 300,000 tons and Xinyang Group’s facility with a similar capacity.
The last edit to this post was made by ljtjbx on 2015-10-13 at 11:24. Well, Wuxi used to have several quite good companies in that field; these days, it seems that there are more such companies in Shandong