Total Site Water Main Concentration Selection: A Case Study

A water main is an interface between water sources and sinks to reduce the complexity of the Total Site Integration for water reuse. The selection of the contaminant concentration of water main can significantly affect the site freshwater use and wastewater generation. This paper proposes a hierarch...

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Main Authors: Xuexiu Jia, Petar Sabev Varbanov, Sharifah Rafidah Wan Alwi, Jirí Jaromír Klemeš
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2020-08-01
Series:Chemical Engineering Transactions
Online Access:https://www.cetjournal.it/index.php/cet/article/view/10985
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author Xuexiu Jia
Petar Sabev Varbanov
Sharifah Rafidah Wan Alwi
Jirí Jaromír Klemeš
author_facet Xuexiu Jia
Petar Sabev Varbanov
Sharifah Rafidah Wan Alwi
Jirí Jaromír Klemeš
author_sort Xuexiu Jia
collection DOAJ
description A water main is an interface between water sources and sinks to reduce the complexity of the Total Site Integration for water reuse. The selection of the contaminant concentration of water main can significantly affect the site freshwater use and wastewater generation. This paper proposes a hierarchical approach to the selection of the inter-plant water main concentration for minimising the water utilities. The algorithm first performs Plant-Level Water Integration, exposing to the site level only the residual water sources and sinks. The case study shows that, for the water main inlet concentration increase from 100 ppm to 800 ppm, the minimum freshwater input increases from 127.5 t/h to 133.3 t/h, and the wastewater generation increases from 132.5 to 138.4 t/h. The trend, in this case, can be explained by the fact that the water sinks require cleaner water than the water main can offer. The conclusion is that the selection of the water main contaminant concentration requires balancing the availability from water sources and the demand by water sinks at the site level.
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spelling doaj.art-fdff82d5285e49da8032e6fdb1eaa3f42022-12-21T19:04:49ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162020-08-018110.3303/CET2081044Total Site Water Main Concentration Selection: A Case StudyXuexiu JiaPetar Sabev VarbanovSharifah Rafidah Wan AlwiJirí Jaromír KlemešA water main is an interface between water sources and sinks to reduce the complexity of the Total Site Integration for water reuse. The selection of the contaminant concentration of water main can significantly affect the site freshwater use and wastewater generation. This paper proposes a hierarchical approach to the selection of the inter-plant water main concentration for minimising the water utilities. The algorithm first performs Plant-Level Water Integration, exposing to the site level only the residual water sources and sinks. The case study shows that, for the water main inlet concentration increase from 100 ppm to 800 ppm, the minimum freshwater input increases from 127.5 t/h to 133.3 t/h, and the wastewater generation increases from 132.5 to 138.4 t/h. The trend, in this case, can be explained by the fact that the water sinks require cleaner water than the water main can offer. The conclusion is that the selection of the water main contaminant concentration requires balancing the availability from water sources and the demand by water sinks at the site level.https://www.cetjournal.it/index.php/cet/article/view/10985
spellingShingle Xuexiu Jia
Petar Sabev Varbanov
Sharifah Rafidah Wan Alwi
Jirí Jaromír Klemeš
Total Site Water Main Concentration Selection: A Case Study
Chemical Engineering Transactions
title Total Site Water Main Concentration Selection: A Case Study
title_full Total Site Water Main Concentration Selection: A Case Study
title_fullStr Total Site Water Main Concentration Selection: A Case Study
title_full_unstemmed Total Site Water Main Concentration Selection: A Case Study
title_short Total Site Water Main Concentration Selection: A Case Study
title_sort total site water main concentration selection a case study
url https://www.cetjournal.it/index.php/cet/article/view/10985
work_keys_str_mv AT xuexiujia totalsitewatermainconcentrationselectionacasestudy
AT petarsabevvarbanov totalsitewatermainconcentrationselectionacasestudy
AT sharifahrafidahwanalwi totalsitewatermainconcentrationselectionacasestudy
AT jirijaromirklemes totalsitewatermainconcentrationselectionacasestudy