China's Oil Refining and Petrochemical Business Achieves "Eleventh Five-Year Plan" Energy Saving and Emission Reduction

Presenting the trend of “increasing and decreasing”, during the “Eleventh Five-Year Plan” period, China's oil refining and refining business showed a good trend of “increasing or decreasing”. As of the end of 2009, compared with the end of the “10th Five-Year Plan” period, when crude oil processing volume and chemical commodity volume increased by 12.5% ​​and 38.5% respectively, the energy consumption rate of oil-refining tons decreased by 13.5%, and the water consumption rate decreased by 30.5%; The energy consumption rate of chemical products per ton decreased by 19.2%, water consumption rate decreased by 23.6%, COD emissions decreased by 17.5%, and petroleum emissions decreased by 38.1%. The refining and chemical sector accumulated a total of 3.754 million tons of standard coal, saving 144 million tons of water, and fulfilling the “Eleventh Five-Year Plan” energy-saving and emission reduction targets issued by China National Petroleum Corporation one year ahead of schedule.
Refining and chemical companies are the management units responsible for the refining and chemical production of China's petroleum products and sales of chemical products. They are also the first large consumers of energy consumption and water consumption, and their responsibility for energy conservation and emission reduction is significant. In order to realize the harmonious development of energy and the environment, the company attaches great importance to the work of energy saving and consumption reduction, and realizes industrial upgrading through the measures of structural adjustment, technological research, comprehensive optimization and benchmarking management, and takes the road of resource-saving development.
During the “Eleventh Five-Year Plan” period, the refining and chemical companies built four 10 million-ton oil refining production bases, four large-scale vinyl sites, two large aromatic hydrocarbon bases, and four in accordance with the principles of optimized layout, concentrated development, and advancement and retreat. The fertilizer production base closed seven small oil refineries such as Maling, Majiatan, Linyuan, Jilin Jiangnan, Jilin Oilfield, Qianguo and Anshan, and shut down 133 sets of inefficient and high-efficiency devices. With the continuous increase in the processing capacity of average crude oil plants, the economic scale and industrial concentration of installations have been significantly improved.
Refining and chemical companies focus on breaking key technologies, carry out scientific and technological breakthroughs, and continuously enhance the driving force of energy conservation and emission reduction. During the “Eleventh Five-Year Plan” period, the company invested a total of 3.904 billion yuan to implement key equipment such as ethylene, atmospheric and vacuum, catalytic cracking, hydrocracking, reforming aromatics and synthetic ammonia, as well as high-energy-consuming equipment such as heating furnaces and boilers. There are more than 300 energy-saving renovation projects. Through the implementation of energy-saving technologies such as thermal integration of equipment, optimization of heat exchanger networks, utilization of low-temperature heat, optimization of circulating water systems, and recovery of condensed water, the main energy consumption and water consumption indicators have generally kept declining. .
Refining and chemical companies give full play to the advantages of refining and chemical integration, optimize resources according to maximum efficiency, and increase resource utilization. In terms of crude oil processing, the implementation of crude oil procurement, storage and transportation, and production are optimized. Relatively concentrated crude oils of different quality are processed to optimize the allocation of raw materials. In the aspect of ethylene raw materials, refinery oil production and cracking material supply are optimized, and ethylene, ethane and other resources are recovered from the catalytic cracking dry gas in the refinery as supplementary feeds; external naphtha, light hydrocarbons, and condensate are fully utilized. The oil and top oil resources maximize the lightening of ethylene raw materials, and the ethylene yield reached 32.79%, maintaining the domestic advanced level.
Refining and chemical companies continued to implement benchmarking management to ensure the meticulous management of energy conservation and emissions reduction. On the basis of benchmarking, the company has formulated a three-year implementation plan for energy-saving and emission reduction after the “Eleventh Five-Year Plan”, continuously strengthening the construction of energy-saving emission reduction systems and basic management, so that energy-saving emission reduction work is standardized, scientific and institutionalized.
In 2009, the 29 major technical and economic indicators of China's oil refining and refining business were better than the previous year, and 20 indicators reached the highest level in history.

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