Looking at the petrochemical along the river, why can the film of the laundry pod disappear?

Mondo Home Updated on 2024-01-29

Reporter Zhao Shizhen, Yan Ruyu, Liu Jinyan.

The river is galloping and thousands of sails are competing, and the butterflies have changed into new images in the past seven years.

In 2016, the general secretary of the Yangtze River Economic Belt held a symposium on promoting the development of the Yangtze River Economic Belt in Chongqing, proposing to "jointly grasp the great protection and not engage in large-scale development", so as to orient and steer the high-quality development of the Yangtze River Economic Belt.

Jointly protecting the Yangtze River and taking the road of transformation and upgrading is the only way for all enterprises along the Yangtze River to contribute to the high-quality development of the Yangtze River Economic Belt. Among the more than 30 Sinopec enterprises along the Yangtze River, Chuanwei Chemical, located in Chongqing Municipality in the upper reaches of the Yangtze River, and Jingmen Petrochemical in Hubei Province, in the middle reaches of the Yangtze River, have unique characteristics.

In November, the reporter successively came to Chuanwei Chemical and Jingmen Petrochemical to explore the successful experience of these two medium-sized refining and chemical enterprises along the Yangtze River on how to adapt measures to local conditions and take the road of characteristic development.

"Use clean raw materials and clean production methods to produce environmentally friendly products".

At the foot of the mountain city, the Jialing River and the Yangtze River meet and go east hand in hand. Chongqing, located in the upper reaches of the Yangtze River and the hinterland of the Three Gorges Reservoir area, is the last pass of the ecological barrier in the upper reaches of the Yangtze River. Chuanwei Chemical, the largest natural gas fine chemical and new materials enterprise in China, is located on the bank of the Yangtze River in Chongqing Changshou Economic and Technological Development Zone.

Different from other refining and chemical companies, as the only natural gas chemical enterprise of Sinopec, green and clean is its biggest advantage.

The reporter learned from Hu Ze, manager of the development planning department of Chuanwei Chemical Industry, that in the context of "double carbon", natural gas chemical industry has the advantage of low carbon emissions, and it is more efficient, which can realize atomic economy in a real sense.

In order to maximize the value of natural gas and not waste a cubic meter of gas, Chuanwei Chemical aims at the field of fine chemicals and new materials, continuously consolidates the unique core technology of natural gas-to-acetylene in China, optimizes the product structure, and takes the road of "basic + high-end" and "chemical + material" refined characteristic development.

In the laboratory of the inspection and measurement center, the purple liquid in the rows of test cups attracted the attention of reporters. The technician told reporters that this is the laundry detergent in the laundry pods, and the PVA (polyvinyl alcohol) products they produce as the main raw material for the outer film of the condensation beads, which have now been completely dissolved in the laundry detergent, so that there is no harm to the clothes and the human body.

PVA is a degradable polymer material, which belongs to natural gas green products, and is also one of the fine chemical products produced by Chuanwei Chemical, which has the characteristics of environmental protection, oil resistance, hydrophilicity, film formation, etc., and is widely used in medicine, food and cosmetics packaging and other fields.

It is our distinctive feature to produce environmentally friendly products with clean raw materials and clean production methods. Chen Tianwen, president of Chuanwei Chemical Research Institute, said. In recent years, by stimulating the vitality of scientific and technological innovation, a number of key strategic new material products developed by its research team have filled the domestic gap, and the products have gradually realized the transformation from primary to high-end, from import to domestic substitution, and from following to leading.

"Find the right positioning, differentiated development, and do the main business of refining and refining".

Crossing the Three Gorges and passing through the mountains on both sides of the river, the reporter arrived at Jingmen Petrochemical, which is located at the foot of Dongbao Mountain in Jingmen, Hubei Province.

Unlike Chuanwei Chemical, Jingmen Petrochemical is hidden in the mountains, and the shortage of resources and traffic congestion restricts the development of enterprises. Fifty-three years ago, in response to the needs of the country, Jingmen Petrochemical relied on manpower to open the mountain and build a war-ready oil refinery. Nowadays, in order to cope with market changes, it has once again "opened the mountain", transforming from a single fuel oil refinery to a comprehensive oil refining and chemical enterprise integrating fuel oil, special oil and chemical production.

Following a truck loaded with industrial white oil ( ) No. 68 slowly drove out of the factory area, the reporter came to Jingmen Chemical Recycling Industrial Park, where lithium battery companies are next to each other. Yang Tan, an employee of Hubei Enjie New Material Technology, told reporters that the quality of Jingmen Petrochemical's products is excellent, which is the best choice for them to produce lithium battery separators.

Special oils, including white oil, refer to specific high-quality products processed into environmentally friendly solvent oils, ink oils, rubber oils and other special oils through advanced refining and chemical processes. Compared with conventional oils, specialty oil products can better meet special needs and are more valuable. At present, Jingmen Petrochemical has developed more than 40 "high-precision and cutting-edge new" varieties of special oils, and some high-end white oil products have reached the international leading and domestic top level, becoming the most complete and largest special oil producer in China.

Yang Yonggang, Secretary of the Party Committee of Jingmen Petrochemical, said: "Refining and chemical enterprises along the Yangtze River are urgently transforming and upgrading, and we must find our own positioning, develop differentially, and do the main business of refining and special refining. ”

"Oil-to-special" is an important direction of Jingmen Petrochemical's current refining structure adjustment, transformation and upgrading, it is not a simple problem of equipment construction and product upgrading, but a profound change from the outside to the inside.

It's a path to regeneration. Yang Yonggang said. In the factory, those old devices that have been out of operation several times have been rejuvenated after product and process upgrades. In recent years, Jingmen Petrochemical has taken the initiative to adjust and optimize the industrial structure, orderly withdraw from some backward production capacity, convert and upgrade the growth momentum, establish a special oil department, build a test field for production, marketing, research and application reform, and make every effort to promote the steady and far-reaching road of "oil to special".

At present, special oils use 11% of resources, but create about one-third of the company's benefits. As a witness to the growth of special oil, Lin Yunxiang, deputy manager of the special oil department, was full of emotion, "Now that we have a broader stage, we have become more passionate and accomplished in our work." ”

It is a dream for all our scientific researchers to set up a specialized, special and new company. From green silk to silver hair, Zhou Zongwu, a 57-year-old member of Jingmen Petrochemical's specialty oil sales and R&D team, is looking forward to making his dream come true before retirement.

"Recycling, making the life cycle of industrial products 'cradle to cradle'".

At the Sinopec Southwest Hazardous Waste Disposal Center, which is about 5 kilometers away from Chuanwei Chemical, manager He Tao told reporters that it is currently the industrial waste comprehensive disposal center with the most extensive solid and hazardous waste disposal technology and the most complete types of disposal in southwest China. "The life cycle of an industrial product that used to be 'cradle-to-grave' has now become 'cradle-to-cradle'. We treat the slag produced after the incineration of hazardous waste, and the scrap iron is sent back to the steel plant for smelting, so as to turn waste into treasure. He Tao said.

Recycling, eating dry and squeezing clean have become a new mode of clean production in refining and chemical enterprises, and now the degree of resource utilization of industrial products is getting higher and higher. "At present, the comprehensive utilization rate of our factory is more than 98%. The hazardous waste generated in 2022 decreased by 5% year-on-year96%, achieving a win-win situation of environmental protection and economy. Zhang Yong, Department of Safety and Environmental Protection of Chuanwei Chemical, said.

A river of blue waves surrounds Chuanwei Chemical and flows quietly eastward. A set of recycling devices in the plant area will process and treat industrial by-products, waste gas, waste water and solid waste, surrounded by greenery outside the plant, and the largest hydrogen supply and hydrogenation integrated station in southwest China with industrial by-product hydrogen as raw material is ready to go, and the product life cycle continues to extend.

Yan Hong, Secretary of the Party Committee of Chuanwei Chemical, told reporters that as an enterprise along the Yangtze River in the upper reaches of the Yangtze River, over the years, they have deepened source emission reduction, end treatment, and recycling, consolidated the formation of a recycling, reduction, and harmless green production model, and built a higher standard odor-free factory and waste-free enterprise, and unswervingly took the road of ecological priority and green development.

If environmental protection is done well, the enterprise will get better and better. Chuanwei Chemical's sense of responsibility and mission for environmental protection has played an exemplary role for other local enterprises. Luo Xiaoling, director of the Chongqing Changshou District Ecological Environment Bureau, praised.

Also as a benchmark enterprise, Jingmen Petrochemical Co., Ltd. has actively cultivated and formed characteristic industries of special oil waxes, fine chemicals, olefins and aromatic hydrocarbon resource utilization in Jingmen Chemical Recycling Industrial Park by extending the downstream deep processing industrial chain, laying the foundation for the formation of a green and circular chemical industry cluster in the park.

Jingmen Petrochemical will accelerate the green and low-carbon transformation, and continue to provide green services for the society with green high-end products and green manufacturing as the starting point. Yang Yonggang said.

In recent years, Jingmen Petrochemical's white oil hydrogenation production process has been continuously upgraded, realizing the leap of the same brand of white oil from industrial grade to cosmetic grade and food grade, and the products are constantly green to new. A series of environmental protection products such as environmentally friendly rubber filler oil, asphalt modifier and white oil sell well all over the country.

The rivers are rushing endlessly, and the living water of innovation is surging. Although the two medium-sized refining and chemical enterprises along the Yangtze River have different geographical locations and development paths, they have relied on their own advantages to embark on a characteristic development path guided by ecological priority and green development, driven by scientific and technological innovation, and driven by transformation and upgrading, continuously injecting new vitality into the high-quality development of the Yangtze River Economic Belt.

Correspondents: Huang Jian, Huang Jin, Gan Zhihong, Pu Hongxia, and Chen Lin participated in the interview).

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