Technical and Economic Studies

Technical and Economic Studies

Uglemetan can undertake a variety of technical and economic studies.  The staff is familiar with technologies for utilizing CMM having prepared a number of studies in this field.  They have also produced inventories of greenhouse gas emissions and prepared carbon documentation (PIN and PDD) for compliance with international carbon emission protocols.

CMM Utilization Technologies

 

umg1CMM Utilization in Gas Generators (Production of Electricity and Heat)

Gas-fired generating units can be produced as modular sets which would  consist of a gas preparation system, an internal combustion engine and an electric generator. The gas generator units can be fueled by methane-air mixtures with a 30% methane concentration or greater.

An option of installing a gas-fired generator station consisting of 7 generators, 1.021 MW each, was considered for methane utilization at the Kirova Mine. Modular generators are shipped in containers and can be equipped with heat utilization devices (1.2 Gcal/MW). Total operating lifetime for the generator units is 150,000 -250000 hours.

Such a gas-fired generating station requires a methane flow rate of 4.5 m3/min (calculated at 100% methane concentration).

CMM Utilization in Modular Heating Plants (Production of Heat)

umk2

Modular heating plants use degas methane at 25-100% concentrations. Heat efficiency is from 0.5 to 10 MW.

Modular heating plants consist of a boiler, a feeding water tank, pumps, pipelines, gas and electricity supply lines, monitoring and measuring equipment for manual and automatic operation.

 

 

Catalytic oxidation of low concentration CMM (Production of Electricity and Heat)

umv3A catalytic energy unit uses flameless methane oxidation in a ceramic bed for utilization of low concentration methane (under 1%). Ventilation air containing methane passes through the bed and gets oxidized. The coal mine ventilation air is passed through the bed, the air increases in
temperature until the methane in the air is oxidized. Heat is released when the methane is oxidized.

In order to maintain the energy necessary for oxidation of incoming air, making the system self sustainable with oxidizing energy, a mere ~0.15% methane is required. When the energy content of methane in coal mine ventilation air is sufficient, the excess energy can be retrieved by embedded steam tubes.

The super heated steam is utilized to operate a conventional steam turbine-generator to get electricity and heat. Since the oxidation is taking place completely inside the ceramic bed, there is no open flame in the system. The temperature distribution in a cross section of the bed is very homogenous. These two facts bring the special feature that there are no local temperatures high enough for significant generation of thermal NOx. It is therefore considered to be a no-NOx system.

CMM Utilization Studies

Uglemetan welcomes foreign companies, individual brokers and investors interested in coalbed and coal mine methane development in Russia’s coal mining areas. Our Company can provide its superior expertise in compiling project-related technical and economic data and assist in:

  • Preparation of feasibility studies for methane utilization options as well as the assessment of project economic viability by a computerized financial model that considers costs, payback period, NPV and other aspects important for potential investors.
  • Defining geological conditions and the most appropriate methane utilization technologies with respect to gassy Kuzbass mines, which emit more than two billion cubic meters of methane annually.
  • General coordination of methane recovery and utilization project implementation, including serving as a liaison between project developers, investors, the Kemerovo Regional Administration, and National regulatory bodies .

 

Uglemetan CMM activities are carried out in full compliance with the Russian Government’s commitment to reducing GHG emissions. The range of expertise in this field covers

  • the implementation of feasibility studies on methane recovery and use projects at gassy Kuzbass coal mines,
  • participation in domestic and international programs to improve the efficiency and safety of coal production, and
  • introduction of clean coal and unconventional energy use technologies.

 

The following studies have been completed by Uglemetan:

Feasibility Studies

Komsomolets Mine – This project evaluated the conversion of coal-fired electric generators or boilerhouses to coal and gas co-firing.

Usinskaya/Lenina Mine –  This project considered in-seam bore hole drilling to a depth of 200-400 meters. As for methane utilization it recommended that their boiler house be retrofitted for coal and methane co-firing.

Pervomaiskaya Mine – This project will result in the displacement of approximately 12,200 tons of coal each year and in an annual reduction of 6,750 tons of methane emissions as well as reductions in sulfur dioxide, nitrogen dioxide and particulate emissions.

 

UNDP/GEF Project

This project studied the mitigation of greenhouse gas emissions by removing barriers to the implementation and financing of CMM recovery and utilization projects in Russia, while strengthening the institutional and financial framework for the promotion of CMM projects and facilitating implementation of selected demonstration projects. The initial focus of the project was on the Kuzbass region, with further replication potential in other coal producing areas in Russia and elsewhere.

Other Initiatives

To support continued CMM development Uglemetan has acted as prime contractor for a number of internationally-supported projects. The following companies have contacted Uglemetan with the respective contract proposals:

  • Toyo Engineering Corporation (Japan) – Identifying potential options to match Yuzhkuzbassugol needs and JBIC terms of financing for methane utilization projects.
  • Future Energy Solutions/AEA Technology Environment (UK)– Agreements for two contracts to facilitate the UK Government mission to Kuzbass and publication of supporting information brochures along with assistance in site visits to Kemerovo power plants and boilers.