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Maximising heat recovery in batch processes via product streams storage and shifting

In a batch process, either direct or indirect heat integration may be employed. The former involves direct heat transfer from hot to cold process streams. In the latter, heat from a hot process stream is first transferred to an intermediate fluid where the heat is stored until it is finally transfer...

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Main Authors: Chaturvedi, Nitin Dutt, Abdul Manan, Zainuddin, Wan Alwi, Sharifah Rafidah, Bandyopadhyay, Santanu
Format: Article
Published: Elsevier Ltd 2016
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/73961/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958123587&doi=10.1016%2fj.jclepro.2015.10.076&partnerID=40&md5=cc61222e0507ef4f3cdb79e31ad3b7c5
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spelling my.utm.739612017-11-23T01:37:07Z http://eprints.utm.my/id/eprint/73961/ Maximising heat recovery in batch processes via product streams storage and shifting Chaturvedi, Nitin Dutt Abdul Manan, Zainuddin Wan Alwi, Sharifah Rafidah Bandyopadhyay, Santanu TP Chemical technology In a batch process, either direct or indirect heat integration may be employed. The former involves direct heat transfer from hot to cold process streams. In the latter, heat from a hot process stream is first transferred to an intermediate fluid where the heat is stored until it is finally transferred to a cold stream. Storage of product streams allows direct heat integration to be delayed, thereby providing an opportunity for energy conservation while avoiding the use of an intermediate fluid. This paper presents a new methodology for batch heat integration that involves the direct storage of product streams within the procedure to set the minimum utility targets. Application of the proposed methodology on illustrative examples demonstrates that significant energy reduction can be achieved by shifting product streams on the time scale. Potential reductions of 33.2% cold utility and 45.1% hot utility were estimated for the first example when the product stream was stored. Similarly, reductions of 3.5% cold utility and 6.5% hot utility were observed for a two-product batch plant when the cooling requirement for one of the products was shifted on time scale. Elsevier Ltd 2016 Article PeerReviewed Chaturvedi, Nitin Dutt and Abdul Manan, Zainuddin and Wan Alwi, Sharifah Rafidah and Bandyopadhyay, Santanu (2016) Maximising heat recovery in batch processes via product streams storage and shifting. Journal of Cleaner Production, 112 . pp. 2802-2812. ISSN 0959-6526 https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958123587&doi=10.1016%2fj.jclepro.2015.10.076&partnerID=40&md5=cc61222e0507ef4f3cdb79e31ad3b7c5
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TP Chemical technology
spellingShingle TP Chemical technology
Chaturvedi, Nitin Dutt
Abdul Manan, Zainuddin
Wan Alwi, Sharifah Rafidah
Bandyopadhyay, Santanu
Maximising heat recovery in batch processes via product streams storage and shifting
description In a batch process, either direct or indirect heat integration may be employed. The former involves direct heat transfer from hot to cold process streams. In the latter, heat from a hot process stream is first transferred to an intermediate fluid where the heat is stored until it is finally transferred to a cold stream. Storage of product streams allows direct heat integration to be delayed, thereby providing an opportunity for energy conservation while avoiding the use of an intermediate fluid. This paper presents a new methodology for batch heat integration that involves the direct storage of product streams within the procedure to set the minimum utility targets. Application of the proposed methodology on illustrative examples demonstrates that significant energy reduction can be achieved by shifting product streams on the time scale. Potential reductions of 33.2% cold utility and 45.1% hot utility were estimated for the first example when the product stream was stored. Similarly, reductions of 3.5% cold utility and 6.5% hot utility were observed for a two-product batch plant when the cooling requirement for one of the products was shifted on time scale.
format Article
author Chaturvedi, Nitin Dutt
Abdul Manan, Zainuddin
Wan Alwi, Sharifah Rafidah
Bandyopadhyay, Santanu
author_facet Chaturvedi, Nitin Dutt
Abdul Manan, Zainuddin
Wan Alwi, Sharifah Rafidah
Bandyopadhyay, Santanu
author_sort Chaturvedi, Nitin Dutt
title Maximising heat recovery in batch processes via product streams storage and shifting
title_short Maximising heat recovery in batch processes via product streams storage and shifting
title_full Maximising heat recovery in batch processes via product streams storage and shifting
title_fullStr Maximising heat recovery in batch processes via product streams storage and shifting
title_full_unstemmed Maximising heat recovery in batch processes via product streams storage and shifting
title_sort maximising heat recovery in batch processes via product streams storage and shifting
publisher Elsevier Ltd
publishDate 2016
url http://eprints.utm.my/id/eprint/73961/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84958123587&doi=10.1016%2fj.jclepro.2015.10.076&partnerID=40&md5=cc61222e0507ef4f3cdb79e31ad3b7c5
_version_ 1643656792607031296
score 13.211869

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