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At 14:50 on August 3, good news came from the start-up headquarters of the Changqing ethane-to-ethylene project of PetroChina Lanzhou Petrochemical Company.
Production runs, and qualified ethylene products are produced
.
The project is located in Yuheng Industrial Park, Yulin City, Shaanxi Province, with a total investment of 10.
86 billion yuan.
The 1.
05 million tons/year ethane produced by the Changqing Oilfield Natural Gas Separation Project is used as raw material to produce ethylene, hydrogen and carbon three through steam thermal cracking.
And heavy components, fuel oil and other chemical products, and produce polyethylene products through polymerization
.
The Changqing Ethane-to-Ethylene Project is a key project of Lanzhou Petrochemical’s refining and chemical transformation and upgrading.
It is a national ethane-cracking-to-ethylene demonstration project jointly approved by the National Development and Reform Commission and the Ministry of Industry and Information Technology.
The first domestic ethane-to-ethylene project with technology
.
Ethane-to-ethylene gets attention but few are built
Ethane-to-ethylene gets attention but few are builtEthylene industry is the core of petrochemical industry, known as the mother of petrochemical industry, and occupies an important position in the national economy
.
During the "13th Five-Year Plan" period, China's ethylene production capacity increased by 60% from 22 million tons/year to 35.
18 million tons/year
.
Compared with the traditional naphtha cracking to ethylene, the ethane cracking to ethylene plant has the advantages of short process flow, small footprint, less investment in the device (as shown in Table 1), and high ethylene yield (as shown in Figure 1).
and other advantages
.
In recent years, a number of Chinese companies have announced their intention to launch ethane cracking to produce ethylene.
According to statistics from relevant institutions, the number of ethane cracking to ethylene projects planned and under construction in China from 2021 to 2025 is as high as 19.
8 million tons.
However, due to uncertainties in the source of raw materials, Many projects have been delayed
.
The three major ethane-to-ethylene projects have been completed and put into operation one after another
.
During the "14th Five-Year Plan", the newly added ethylene production capacity in China is as high as 38.
32 million tons/year
32 million tons/year
During the "14th Five-Year Plan" period, the newly added ethylene production capacity in China was as high as 38.
32 million tons per year, as shown in Table 2
.
Among them, in 2021, domestic ethylene production will usher in the peak of expansion.
With the commissioning of a number of expansion and new projects such as Zhongsha Tianjin Petrochemical, Zhonghan Petrochemical, Changqing Ethane-to-ethylene and Tarim ethane-to-ethylene, ethylene production capacity may will usher in greater growth
.
It is expected that more than 8 million tons of ethylene production capacity in China will be put into operation in 2021, and the total production capacity will exceed the 40 million tons mark.
Further expansion, market competition will become more intense
.
