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The two environmental protection devices have significant effect on energy conservation and emission reduction
On January 22, the dry gas and liquefied gas desulfurization systems at the Golmud Refinery of the Qinghai Oilfield, along with the desorption and recovery unit for the 100,000-ton methanol plant, have been operating continuously for over a month. These systems have maintained high performance levels, delivering excellent results in terms of both economic and environmental benefits.
The Golmud Refinery has always prioritized clean and sustainable development alongside economic growth. During the "11th Five-Year Plan" period, the refinery identified the installation of dry gas and liquefied gas desulfurization equipment as a key environmental project. The system was successfully commissioned on December 22, 2007, producing qualified dry gas and liquefied gas. Previously, the high sulfur content in dry gas caused severe corrosion issues when used as fuel. To address this, the refinery accelerated the implementation of desulfurization, acid water stripping, and sulfur recovery projects. After the upgrades, the sulfur content in dry gas dropped from 5,000 ppm to below 20 ppm. As a result, all the heating furnaces and boilers in the plant now run on dry gas, significantly reducing natural gas consumption.
The desorption gas recovery and utilization system at the 100,000-ton methanol plant is another critical component of its energy-saving and emission-reduction initiatives. Since its full commissioning in December 2007, the system has proven highly effective, saving nearly 400 standard cubic meters of fuel and gas per hour. Additionally, it has led to a significant reduction in exhaust emissions, further supporting the plant’s sustainability goals. Overall, these projects demonstrate the refinery's commitment to technological innovation, environmental protection, and long-term operational efficiency.