State of the Art in Separation Processes for Alternative Working Fluids in Clean and Efficient Power Generation

Separations

article

Odi Fawwaz Alrebei¹  Abdulkarem I. Amhamed¹  Muftah H. El-Naas²  Mahmoud Hayajnh³  Yasmeen A. Orabi⁵  Ward Fawaz²  Ahmad S. Al-tawaha⁴  Agustin Valera Medina⁷ 

[1] Qatar Environment and Energy Research Institute, Hamad Bin Khalifa University;Gas Processing Center, College of Engineering, Qatar University;School of Aerospace Engineering, Georgia Institute of Technology;Department of Aeronautical Engineering, Jordan University of Science and Technology;Department of Chemical Engineering, Jordan University of Science and Technology;Department of Electrical & Computer Engineering, Virginia Polytechnic Institute and State University;Mechanical and Aerospace Engineering Department, Cardiff School of Engineering, Queen’s Buildings Cardiff University

关键词: air separation;    steam methane reforming;    water gas shift;    alternative fluids;    gas turbine;   

DOI  :  10.3390/separations9010014

学科分类：社会科学、人文和艺术（综合）

来源: mdpi

【 摘 要 】

Gas turbines must now comply with much stricter emission control regulations. In fact, to combat the greenhouse effect, regulatory authorities have drastically reduced allowable emission levels. For example, in less than 12 years, the United States’ Clean Air Act issued the New Source Performance Standards (NSPS), which tightened the NOx emission margin of natural gas combustion (from 75 ppm to 10 ppm). On the other hand, despite those efforts, the high demand for energy produced by fossil-fueled gas turbines in power plants has resulted in dramatic increases in anthropogenic CO2 and NOx emitted by gas combustors. Most systems responsible for these undesirable emissions are directly linked to power generation, with gas turbines playing a pivotal role. Yet, gas turbines are still widely used in power plants and will continue to meet the growing demand. Therefore, sequestration and separation techniques such as Carbon Capture and Storage (CCS) and Air Separation Units (ASU) are essential to reduce CO2 and NOx emissions while allowing large amounts of power to be generated from these systems. This paper provides an in-depth examination of the current state of the art in alternative working fluids utilized in the power generation industry (i.e., gas turbines, combustion). In addition, this paper highlights the recent contribution of integrating separation techniques, such as air separation, steam methane reforming, and water-gas shifting, to the power generation industry to facilitate a continuous and adequate supply of alternative working fluids.

【 授权许可】

CC BY