GEOECOLOGICAL RISK MANAGEMENT BY OPTIMIZING THE COMPRESSOR PLANT OPERATION AT THE NATURAL GAS MAIN PIPELINES

The approaches for optimizing the ecological risk management in the impact areas of compressor stations of natural gas main pipelines are considered based on the minimization of energy consumption. The relevant mathematical models for the given optimization task are suggested. As a pilot project the main pipeline “Central Asia – Center ” is selected aimed the increasing gas transport and reconstruction. The emission optimization calculation and critical loads for emitted pollutants on the impacted ecosystems are carried out. The economical speculations are suggested to include the preventive ecological damage. Due to the works carried out under Gazprom’s “Gas transportation ” program in 2005 the economy of fuel-energy resources amounted to 2720,5 mln m3 of natural gas, 385,1 mln KWh of electric power and 260,1 thou heat energy. Nevertheless, gas emissions into the atmosphere at gas-turbine units (GTU) or gas-processing plants (GPP) of Gazprom’s gas transmission system are currently estimated at: nitric oxide – 140 thou t/y, carbon monoxide – 210 thou t/y and carbonic dioxide – 81.5 mln t/y. An average weighted concentration of pollutants is as follows: nitric oxide – around 180 mg/m3 and carbon monoxide – 250 mg/m3 [1]. It is clear that the emissions of suc