A paper order from the National Development and Reform Commission does not stop the investment boom in the coal chemical industry. As one of the five demonstration projects of modern coal chemical industry, coal-based glycol is facing the double resistance of technological bottlenecks and commercial dilemma.
On June 6th, Henan Provincial Department of Science and Technology organized an expert demonstration of the coal-based glycol industrial technology research and development project declared by the Henan Coal Chemical Group and the Henan Coal Chemical Research Institute and included the project in the major scientific and technological projects in Henan Province. .
At the same time, a week ago, the China Chemical 7.17, 0.00, 0.00% Engineering Group and the Hebi City of Henan Province also signed a strategic cooperation agreement to develop a coal-based ethylene glycol project.
For the current state of the coal-based glycol field in China, an amount of 10.84, 0.01, and 0.09% of China National Petroleum Corporation and an industry insider of the Chemical Industry Association clearly pointed out that the large amount of funds invested by enterprises has caused some scientific research units to urgently seek technological development. Many hidden dangers arising from the process of engineering amplification will also become increasingly prominent.
According to information obtained by the reporter from an authoritative organization, as of May this year, there are 21 coal-based ethylene glycol projects planned to be built and under construction in China, with a total capacity of approximately 5 million tons/year, of which the scale of the equipment under construction is There are nine.
“The coal-to-ethylene glycol project has blindly followed the trend, and the technical problems that have hampered the development of the industry have not yet been completely resolved. It can be said that no one of the domestic coal-to-ethylene glycol plants can enter commercial operations.†Industry insiders said when interviewed by this reporter.
"catalyst" problem
At present, the domestic coal-to-ethylene glycol demonstration projects all suffer from the embarrassment of failing to reach production as scheduled. Industry analysts and the use of catalysts are the key to this phenomenon.
“The key to advanced ethylene glycol technology and whether products are competitive is to use catalysts that are highly selective, high conversion, low cost, and long-lived.†former deputy director of Fujian Institute of Materials Science and Technology, Chinese Academy of Sciences Yao Yuangen, head of the alcohol technology research group, said.
The reporter learned that with the continuous increase in the consumption of ethylene glycol in China, the coal-to-ethylene glycol project has also been enlarged from the kiloton and 10,000 tons to the 100,000 tons and 200,000 tons, and it has been used as the core technology of the device. The catalyst has encountered technical difficulties in its ever-expanding capacity target.
“The first generation of catalysts used in the main coal-based ethylene glycol demonstration project in China is the first-generation catalyst. Due to the increase in production capacity, the catalyst efficiency has not been fully utilized,†said Yao Yuangen.
In December 2009, the world’s first 200,000-ton/year coal-to-ethylene glycol industrial demonstration project initiated by the Fujian Institute of Physical and Chemical Research of the Chinese Academy of Sciences, Danhua Technology Co., Ltd., and Shanghai Jinmei Chemicals Co., Ltd. broke through the entire process and produced Qualified coal to ethylene glycol.
In March of this year, Danhua Technology announced that it had completed the scale-up and system integration of the 10,000-ton coal-to-ethylene glycol pilot test technology and formed a 200,000-ton coal-based glycol set technology that matches the performance of the catalyst. .
"At present, Danhua Technology is relatively advanced in the field of coal-to-ethylene glycol technology, but there are still some limitations in supporting technologies," said the Henan Coal Chemical Group source.
According to the industry insiders mentioned above, although Danhua Technology has improved the quality and stability of the catalyst to a certain extent, so far, the process and engineering problems encountered by Danhua Technology in the progress of the project have been in the stage of adjustment and rectification. . This is also one of the main reasons why its 200,000-ton/year coal-based glycol plant in Tongliao City, Inner Mongolia, failed to reach its scheduled production capacity.
The reporter has learned that as the world’s first coal-based glycol industrialization demonstration device, Tongliao Gold & Co.’s 200,000 tons project had a capacity of only 50% last year.
Technical path difficult to uniform
The investment boom in coal chemical industry has accelerated the pace of research and development in domestic scientific research institutions and many institutions. Major scientific research institutions have expressed that they own core technologies, and the subsequent hidden dangers caused the industry experts to be skeptical.
“Many research institutes have said that they have mastered advanced technologies and are eager to promote them. However, in fact, comprehensive, true and detailed cost data is required to undergo long-term experiments and operations.†Ma Xinbin, vice president of the Tianjin University School of Chemical Technology Our reporter said.
The reporter learned that the current industry's major coal-to-glycol projects include: the 200,000-ton project of Tongliao Gold and Steel, which uses the autonomous technology of the Fujian Institute for the Study of the Physical Structure of the Chinese Academy of Sciences, Huai'an, Anhui and Shanghai Pujing, using East China University of Science and Technology. The pilot 1,000-ton pilot project uses the CO2 gas-phase catalytic coupling hydrogenation technology independently developed by Tianjin University for the Shandong 10,000-ton pilot project and the 1,500-ton pilot project of Huayi Group's Shanghai Coking Autonomous Technology. Shandong Hualu Hang Seng's 50,000-tonne project using process tail gas to produce ethylene glycol, and 1,500 tons of pilot projects in Taizhou, Zhejiang Province, which are sponsored by Ube Technology, High Chemicals, and Donghua Engineering Technology.
In addition to the Tongliao gold coal project being listed as a national industrial demonstration project, most of the other projects are pilot plant with independent technology.
"Actually, every technology has its own limitations, which, to a large extent, also increases the risk of corporate investment." Ma Xinbin said.
At the same time, the insiders of the aforementioned China Petroleum and Chemical Industry Institute also pointed out that in terms of catalyst technology, although several scientific research institutes have developed catalysts, they all have short lifetimes, precious metal component contents and reaction processes. Hot spot control and other issues.
“The demand of enterprises has caused many scientific researchers to rush and this will cause a lot of problems in later projects,†the insider said.
On June 6th, Henan Provincial Department of Science and Technology organized an expert demonstration of the coal-based glycol industrial technology research and development project declared by the Henan Coal Chemical Group and the Henan Coal Chemical Research Institute and included the project in the major scientific and technological projects in Henan Province. .
At the same time, a week ago, the China Chemical 7.17, 0.00, 0.00% Engineering Group and the Hebi City of Henan Province also signed a strategic cooperation agreement to develop a coal-based ethylene glycol project.
For the current state of the coal-based glycol field in China, an amount of 10.84, 0.01, and 0.09% of China National Petroleum Corporation and an industry insider of the Chemical Industry Association clearly pointed out that the large amount of funds invested by enterprises has caused some scientific research units to urgently seek technological development. Many hidden dangers arising from the process of engineering amplification will also become increasingly prominent.
According to information obtained by the reporter from an authoritative organization, as of May this year, there are 21 coal-based ethylene glycol projects planned to be built and under construction in China, with a total capacity of approximately 5 million tons/year, of which the scale of the equipment under construction is There are nine.
“The coal-to-ethylene glycol project has blindly followed the trend, and the technical problems that have hampered the development of the industry have not yet been completely resolved. It can be said that no one of the domestic coal-to-ethylene glycol plants can enter commercial operations.†Industry insiders said when interviewed by this reporter.
"catalyst" problem
At present, the domestic coal-to-ethylene glycol demonstration projects all suffer from the embarrassment of failing to reach production as scheduled. Industry analysts and the use of catalysts are the key to this phenomenon.
“The key to advanced ethylene glycol technology and whether products are competitive is to use catalysts that are highly selective, high conversion, low cost, and long-lived.†former deputy director of Fujian Institute of Materials Science and Technology, Chinese Academy of Sciences Yao Yuangen, head of the alcohol technology research group, said.
The reporter learned that with the continuous increase in the consumption of ethylene glycol in China, the coal-to-ethylene glycol project has also been enlarged from the kiloton and 10,000 tons to the 100,000 tons and 200,000 tons, and it has been used as the core technology of the device. The catalyst has encountered technical difficulties in its ever-expanding capacity target.
“The first generation of catalysts used in the main coal-based ethylene glycol demonstration project in China is the first-generation catalyst. Due to the increase in production capacity, the catalyst efficiency has not been fully utilized,†said Yao Yuangen.
In December 2009, the world’s first 200,000-ton/year coal-to-ethylene glycol industrial demonstration project initiated by the Fujian Institute of Physical and Chemical Research of the Chinese Academy of Sciences, Danhua Technology Co., Ltd., and Shanghai Jinmei Chemicals Co., Ltd. broke through the entire process and produced Qualified coal to ethylene glycol.
In March of this year, Danhua Technology announced that it had completed the scale-up and system integration of the 10,000-ton coal-to-ethylene glycol pilot test technology and formed a 200,000-ton coal-based glycol set technology that matches the performance of the catalyst. .
"At present, Danhua Technology is relatively advanced in the field of coal-to-ethylene glycol technology, but there are still some limitations in supporting technologies," said the Henan Coal Chemical Group source.
According to the industry insiders mentioned above, although Danhua Technology has improved the quality and stability of the catalyst to a certain extent, so far, the process and engineering problems encountered by Danhua Technology in the progress of the project have been in the stage of adjustment and rectification. . This is also one of the main reasons why its 200,000-ton/year coal-based glycol plant in Tongliao City, Inner Mongolia, failed to reach its scheduled production capacity.
The reporter has learned that as the world’s first coal-based glycol industrialization demonstration device, Tongliao Gold & Co.’s 200,000 tons project had a capacity of only 50% last year.
Technical path difficult to uniform
The investment boom in coal chemical industry has accelerated the pace of research and development in domestic scientific research institutions and many institutions. Major scientific research institutions have expressed that they own core technologies, and the subsequent hidden dangers caused the industry experts to be skeptical.
“Many research institutes have said that they have mastered advanced technologies and are eager to promote them. However, in fact, comprehensive, true and detailed cost data is required to undergo long-term experiments and operations.†Ma Xinbin, vice president of the Tianjin University School of Chemical Technology Our reporter said.
The reporter learned that the current industry's major coal-to-glycol projects include: the 200,000-ton project of Tongliao Gold and Steel, which uses the autonomous technology of the Fujian Institute for the Study of the Physical Structure of the Chinese Academy of Sciences, Huai'an, Anhui and Shanghai Pujing, using East China University of Science and Technology. The pilot 1,000-ton pilot project uses the CO2 gas-phase catalytic coupling hydrogenation technology independently developed by Tianjin University for the Shandong 10,000-ton pilot project and the 1,500-ton pilot project of Huayi Group's Shanghai Coking Autonomous Technology. Shandong Hualu Hang Seng's 50,000-tonne project using process tail gas to produce ethylene glycol, and 1,500 tons of pilot projects in Taizhou, Zhejiang Province, which are sponsored by Ube Technology, High Chemicals, and Donghua Engineering Technology.
In addition to the Tongliao gold coal project being listed as a national industrial demonstration project, most of the other projects are pilot plant with independent technology.
"Actually, every technology has its own limitations, which, to a large extent, also increases the risk of corporate investment." Ma Xinbin said.
At the same time, the insiders of the aforementioned China Petroleum and Chemical Industry Institute also pointed out that in terms of catalyst technology, although several scientific research institutes have developed catalysts, they all have short lifetimes, precious metal component contents and reaction processes. Hot spot control and other issues.
“The demand of enterprises has caused many scientific researchers to rush and this will cause a lot of problems in later projects,†the insider said.
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