In Tatarstan, thanks to the national project "Ecology" landfill gas is converted into electricity
A pilot project for the reclamation of the Samosyrov solid waste landfill has been completed in the Republic. The body of the reclaimed landfill has already been sown with grass, and these works will continue in the spring. As Deputy Minister of Ecology Egor Tarnavsky told reporters today during a press tour, until recently there were two huge garbage mountains here, and this spring residents will see green hills in their place.
"On the eve of the President of our country, Vladimir Putin, identified the key vectors for the next six years. Special emphasis was placed on the issue of ecology. It was announced that during the implementation of the national project "Ecology" within the framework of the federal project "Clean Country", 128 landfills in large cities and 80 objects of accumulated damage were eliminated. Of course, our republic is actively involved in all these areas. These are landfills in Nizhnekamsk and Menzelinsky districts. Well, today we are at a pilot facility - this is the project of reclamation of the Samosyrovsky landfill in Kazan. It was completed last year, the total cost was 872 million rubles," the deputy minister told reporters.
He recalled that due to complaints from Kazan residents about the quality of atmospheric air in the landfill area, work has begun since 2018 to study the experience of reclamation of MSW facilities. It was decided to include a pilot technology of active degassing. This system allows you to eliminate the release of landfill gas into the atmospheric air as much as possible. In 2018, by order of PJSC Tatneft, comprehensive work on gas chemical studies was carried out and recommendations on the installation of an active degassing system were developed.
Within the framework of the federal Clean Country project of the national Ecology project, work on the reclamation of the Samosyrovsky landfill began in 2021.
"The task of reclamation, first of all, was set by the residents of Kazan: in just a year we received more than 300 complaints about air quality. And, of course, thanks to the Ministry of Natural Resources and Ecology of the Russian Federation, this facility was successfully implemented in 2021-2023. During the implementation, atmospheric air quality control was constantly carried out with the help of the Rosprirodnadzor laboratory. No excess was found. The project was highly appreciated by Deputy Prime Minister of the Russian Federation Victoria Abramchenko. She noted that the project is like a flagship for our whole country, and I am sure that this technology will continue to be used after it has been tested in Kazan," said Egor Tarnavsky.
Work on the facility took place from 2021 to 2023, as a result, 342.9 thousand residents of the surrounding areas of Kazan and suburban settlements began to live in more favorable environmental conditions.
The chief engineer of Yadran-Stroy LLC (the contractor of the project) said that thanks to the active degassing system, landfill gas can be directed to the production of electric energy.
The gas collected through special drains is removed from the body of the former landfill and enters the coal filter. The main mechanical impurities are deposited on it. Then the gas enters the grates for further cleaning, and then cools down — at this stage, moisture condenses from it and goes into the drainage system. Next, the gas is heated again and brought to the required pressure, and then fed to the gas piston installations, where electricity is generated. Landfill gas for energy production will be enough, approximately, for 20-25 years.
The flare installation serves as a waste gas discharge line — it is an open-type burner from which an analog of natural gas comes out. It is oxidized in the burner, and as a result, only water vapor and carbon dioxide escape from the torch into the atmosphere.
The mini-power plant has three gas piston units, 500 megawatts each. One such installation can provide electricity for lighting and equipment operation on the territory of four landfills similar to Samosyrov.
Currently, the Executive Committee of Kazan is determining the operating organization, as well as consumers of the generated electric energy.
For reference:
In 1960, the operation of the Samosyrov landfill began.
In 2004, in the immediate vicinity of the Samosyrov landfill, the landfill of MSW "Samosyrovo" and the waste sorting station of CJSC "KEK" were created. It was operated until July 5, 2017.
In 2012, the Vostochny landfill was created.
The volume of waste is 1,560 thousand cubic meters.