Eco-Friendly Brand New Energo-Technological Complexes: Ensuring Innovation-Driven Development Of Organic Energy Industry

Abstract

To date,concerns have been increasingly raised about emissionsofgreenhousegases (CO₂, inparticular) andglobalwarming. Oxy-fuel combustionconstitutes one of thekeytechnologiestocurbemissionsofCO₂in energy sector.Theunitswithpure oxygen-enriched fuel combustion are attractivedue to a minimum content of harmful admixtures in the oxy-fuelcombinedcyclegasturbineunits (OCCGTUs) exhaust gas. Wastefluidtherewithcontainsmostlyvapours ofwaterandcarbondioxide, and only СО₂ remains after water condensation.

For a unitwithoxy-fuelcombustion,thecompressor-lesscombinedcyclegasturbineunitisconsidered, where,in the liquid phase, pumping equipment increases pressure of all fluid components prior to their supplying to a combustion chamber.There is a description of theprocessflow diagram (PFD) ofthesuggestedunitthat employsorganicRankinecycle(ORC), which substantially augments (by about 5 absolute percent) the unit efficiency factor (EF). Potentialadvantagesof compressor-less combined cycle gas-turbine unit have been presented.

Thearticleexaminestheprospectsofusingthesuggested PFD in energo-technological complexes of different types. The “ArcticCascade” Projectwithcompressor-lesscombinedcyclegasturbineunitandintegration ofthepower-producing unitthermodynamic cycle with theliquefied natural gasplant (LNG-plant) bring considerableeconomic andenvironmental benefits.

It is necessary to widen the searches forinnovativeconcepts of creatinghigh-efficiencypower-producingunitsto the systems, that take into accountenergy production preparation, and energy generation, potentialcombination with processcyclesandmanufacture ofchemical products, andutilisationofproductionwaste as well.