ORCID Profile
0000-0001-6892-0901
Current Organisation
University of Adelaide
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Publisher: Elsevier BV
Date: 09-2017
Publisher: MDPI AG
Date: 05-07-2019
DOI: 10.3390/EN12132591
Abstract: A thermodynamic assessment is conducted for a new configuration of a supercritical water gasification plant with a water–gas shift reactor. The proposed configuration offers the potential for the production of syngas at different H2:CO ratios for various applications such as the Fischer–Tropsch process or fuel cells, and it is a path for addressing the common challenges associated with conventional gasification plants such as nitrogen dilution and ash separation. The proposed concept consists of two reactors, R1 and R2, where the carbon containing fuel is gasified (in reactor R1) and in reactor R2, the quality of the syngas (H2:CO ratio) is substantially improved. Reactor R1 is a supercritical water gasifier and reactor R2 is a water–gas shift reactor. The proposed concept was modelled using the Gibbs minimization method with HSC chemistry software. Our results show that the supercritical water to fuel ratio (SCW/C) is a key parameter for determining the quality of syngas (molar ratio of H2:CO) and the carbon conversion reaches 100%, when the SWC/C ratio ranges between two and 2.5 at 500–1000 °C.
Publisher: Elsevier BV
Date: 06-2017
Publisher: Ovid Technologies (Wolters Kluwer Health)
Date: 09-2013
Publisher: Elsevier BV
Date: 06-2019
Publisher: Elsevier BV
Date: 08-2014
Publisher: Elsevier BV
Date: 04-2019
Publisher: Wiley
Date: 05-09-2016
Publisher: Elsevier BV
Date: 05-2018
Publisher: Hindawi Limited
Date: 14-02-2011
DOI: 10.1002/ER.1688
Publisher: Elsevier BV
Date: 04-2018
Publisher: Author(s)
Date: 2017
DOI: 10.1063/1.4984483
Publisher: Hindawi Limited
Date: 13-07-2014
DOI: 10.1002/ER.3244
Publisher: Springer Science and Business Media LLC
Date: 07-06-2017
Publisher: Elsevier BV
Date: 11-2014
Publisher: Elsevier BV
Date: 03-2013
Publisher: Elsevier BV
Date: 12-2015
Publisher: Elsevier BV
Date: 06-2017
Publisher: Elsevier BV
Date: 12-2022
Publisher: Elsevier BV
Date: 11-2017
Publisher: Elsevier BV
Date: 2017
Publisher: Elsevier BV
Date: 02-2019
Publisher: Elsevier BV
Date: 04-2019
Publisher: Elsevier BV
Date: 03-2019
Publisher: Elsevier BV
Date: 09-2017
Publisher: Elsevier BV
Date: 2018
Publisher: Elsevier BV
Date: 04-2017
Publisher: Elsevier BV
Date: 03-2019
Publisher: Elsevier BV
Date: 05-2010
Publisher: Elsevier BV
Date: 06-2019
Publisher: No publisher found
Date: 2014
DOI: 10.1021/EF402542B
Publisher: Elsevier BV
Date: 12-2019
Publisher: Elsevier BV
Date: 07-2014
Publisher: Elsevier BV
Date: 12-2021
Publisher: Elsevier BV
Date: 12-2016
Publisher: Elsevier BV
Date: 06-2019
Publisher: Elsevier BV
Date: 05-2013
Publisher: Elsevier BV
Date: 06-2020
Publisher: Elsevier BV
Date: 2019
Publisher: Hindawi Limited
Date: 30-09-2009
DOI: 10.1002/ER.1619
Publisher: MDPI AG
Date: 08-09-2021
DOI: 10.3390/EN14185646
Abstract: With the fast evolution in greenhouse gas (GHG) emissions (e.g., CO2, N2O) caused by fossil fuel combustion and global warming, climate change has been identified as a critical threat to the sustainable development of human society, public health, and the environment. To reduce GHG emissions, besides minimizing waste heat production at the source, an integrated approach should be adopted for waste heat management, namely, waste heat collection and recycling. One solution to enable waste heat capture and conversion into useful energy forms (e.g., electricity) is employing solid-state energy converters, such as thermoelectric generators (TEGs). The simplicity of thermoelectric generators enables them to be applied in various industries, specifically those that generate heat as the primary waste product at a temperature of several hundred degrees. Nevertheless, thermoelectric generators can be used over a broad range of temperatures for various applications for ex le, at low temperatures for human body heat harvesting, at mid-temperature for automobile exhaust recovery systems, and at high temperatures for cement industries, concentrated solar heat exchangers, or NASA exploration rovers. We present the trends in the development of thermoelectric devices used for thermal management and waste heat recovery. In addition, a brief account is presented on the scientific development of TE materials with the various approaches implemented to improve the conversion efficiency of thermoelectric compounds through manipulation of Figure of Merit, a unitless factor indicative of TE conversion efficiency. Finally, as a case study, work on waste heat recovery from rotary cement kiln reactors is evaluated and discussed.
Publisher: Elsevier BV
Date: 03-2018
Publisher: Elsevier BV
Date: 06-2017
No related grants have been discovered for Mehdi Jafarian.