The natural gas of Aizhong Gas Company comes from the urban and rural domestic gas purified from sour natural gas in Petro China Bandong 3 well work zone nearby waters,  hydrogen sulfide content is about 1500ppm/m³, total weight of desulfurizer filled in the desulfurization tower is 15 tons, the content of hydrogen sulfide after desulfurization is less than 20mg/m³, reaching the standard for domestic gas.

On-site construction staff

Loading and unloading desulfurizer.

Emergency exercise against hydrogen sulfide leaks