The results of research on the creation of composite liquid fuels from industrial and household waste and renewable plant raw materials, carried out by scientists from Tomsk Polytechnic University (TPU), were reported at a meeting of the Presidium of the SB RAS by TPU professor Pavel Strizhak, reported April 26 in the SB RAS publication “Science in Siberia.”
According to experts, the transition from coal-fired thermal power plants to composite fuels should have an economic effect of about 250 billion rubles in 25 years of operation.
The need for such a transition is due to several reasons, among which the environmental one has recently come to the fore: more than 95 billion tons of waste have already accumulated on the territory of the Russian Federation, in addition, Russia has committed to reducing anthropogenic greenhouse gas emissions into the atmosphere. In 2021, the corresponding federal law was adopted.
At the same time, according to researchers, about three million people die prematurely every year due to environmental pollution.
The development of multifuel technologies is expected to help solve these problems, and the use of liquid biofuels in composite fuels increases the efficiency of their use.
As Pavel Strizhak explained, “the main components of new generation liquid fuels are now industrial waste from the raw materials sector, used oils (engines, turbines), petroleum products (diesel, resins), biomaterials (straw, waste containing oil from raw materials from processing plants, algae), municipal waste and wastewater”.
Currently, TSU scientists are conducting pilot tests at the university that will demonstrate to production workers how liquid fuels will work in industrial facilities.
Experts have already studied the technologies for the preparation of liquid fuel and are now studying the processes of its transportation, atomization, ignition and combustion in thermal power plants with the calculation of anthropogenic emissions.
“We have the ability to reproduce fuels using catalytic cracking, hydrocracking and Fischer-Tropsch reactor technologies. At experimental stations, we test the fuel in small volumes to determine its stability, combustion and anthropogenic emissions. Then we carry out numerical modeling and transfer to large facilities.””said Pavel Strizhak.
Scientists now consider their task to increase the performance of alternative fuels based on existing technologies. The existing base for full-size tests provides the opportunity to carry out relevant work on it to other teams of researchers working with alternative fuels.
“We have modules for testing aircraft and land engines (kerosene, gasoline, diesel, composite liquid fuels), a low-power power plant for the preparation and combustion of composite fuels, a filming stand for testing the atomization and combustion of liquids . biofuels, a module for the production of gas hydrates and tests of gas hydrate energy technologies”said Pavel Strizhak.
Scientists believe that for a rapid transition of the industry to alternative fuels, it is necessary to combine the efforts of the SB RAS institutes to form a new database on the properties of components and prepared fuels, since the current database Obsolete slows down work. of theorists.
Researchers also see the need to work together “on the creation of national industrial and laboratory samples of catalysts, additives, additives, digital twins of production and thermal conversion technologies”writes “Science in Siberia”.
Source: Rossa Primavera
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