Jiujiang Petrochemical Co., Ltd. is actively advancing clean production under the framework of circular economy development. The comprehensive utilization of "three wastes" (waste gas, waste water, and solid waste) has become a key industry for the company. This not only promotes resource recycling and industrial synergy but also brings significant economic and environmental benefits.
The plant leverages technological innovation to transform waste into valuable resources. For instance, all acid gas is introduced into the sulfur recovery unit, producing nearly 8,000 tons of sulfur annually, which boosts profits by over 1 million yuan. A new wet oxidation device for soda slag has been built, along with a brick and mortar plant capable of producing 22 million blocks per year. This system recovers almost 500 tons of naphthenic acid from soda residue and utilizes over 200,000 tons of fly ash from boilers, generating nearly 1 million yuan in output value while reducing pollution and improving efficiency.
This year alone, the company used nearly 100,000 tons of combustible gas to treat 4 million tons of oil refining wastewater, handled 17,000 tons of alkaline slag, recovered 5,400 tons of sulfur oil, 6,300 tons of sulfur, and 417 tons of naphthenic acid, achieving a total output value of 20 million yuan from these efforts. In addition, the company has taken advantage of tax reduction and exemption policies for resource recycling, successfully applying for the “three wastes†comprehensive utilization tax relief program in Jiangxi Province, which received strong support from local government authorities.
Furthermore, the dry gas generated from the refinery is used as fuel for heating furnaces and power boilers. It also contains various petrochemical raw materials, allowing the company to make better use of low-value resources. By adjusting the route of fertilizer raw materials, they utilize synthetic gas from refinery dry gas, saving 3 tons of residual oil per hour and increasing annual efficiency by over 20 million yuan. These initiatives demonstrate the company’s commitment to sustainable and efficient operations.
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