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Environmental Performance of Effluent Conditioning Systems for Reuse in Oil Refining Plants: A Case Study in Brazil

Author

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  • Hugo Sakamoto

    (Chemical Engineering Department, Polytechnic School of the University of São Paulo, Avenida Professor Lineu Prestes, 580, Bloco 18—Conjunto das Químicas, São Paulo 05508-000 SP, Brazil)

  • Flávia M. Ronquim

    (Chemical Engineering Department, Polytechnic School of the University of São Paulo, Avenida Professor Lineu Prestes, 580, Bloco 18—Conjunto das Químicas, São Paulo 05508-000 SP, Brazil)

  • Marcelo Martins Seckler

    (Chemical Engineering Department, Polytechnic School of the University of São Paulo, Avenida Professor Lineu Prestes, 580, Bloco 18—Conjunto das Químicas, São Paulo 05508-000 SP, Brazil)

  • Luiz Kulay

    (Chemical Engineering Department, Polytechnic School of the University of São Paulo, Avenida Professor Lineu Prestes, 580, Bloco 18—Conjunto das Químicas, São Paulo 05508-000 SP, Brazil)

Abstract

This study aims to evaluate the environmental and energy effects of the reuse of 1.0 m³ of water in a cooling tower obtained from an oil refinery effluent. An arrangement comprising reverse osmosis (RO), evaporation (EV), and crystallization (CR) was created for water desalination. Six process routes were evaluated; for this purpose, each of them was converted into an specific scenario of analysis: S1: pre-treatment with Ethylenediaminetetraacetic acid (EDTA) + RO + EV (multi-effect distillation) + CR; S2: S1 with pre-treatment by BaSO 4 ; S3: with Ca(OH) 2 /CaCO 3 /HCl; S4: S3 with waste heat to supply the thermal demand of EV; S5: S3 with steam recompression in EV; and, S6: S3 with HNO 3 in place of HCl. The analysis was carried out by attributional LCA for primary energy demand (PED) and global warming (GW) impacts. The comparison was carried out for a reference flow (RF) of: add 1.0 m 3 of reused water to a cooling tower with quality to proper functioning of this equipment. S4 presented the best performance among the analyzed possibilities (PED: 11.9 MJ/RF; and GW: 720 gCO 2,eq /RF). However, dependence on other refinery sectors makes it inadvisable as a regular treatment option. Thus, S5 appears as the lowest impact scenario in the series (PED: 17.2 MJ/RF; and GW: 1.24 kgCO 2,eq /RF), given the pre-treatment technique of RO-fed effluent, and the exclusive use of steam recompression to meet total EV energy demands. Finally, an intrinsic correlation was identified between RO water recovery efficiency and the accumulated PED and GW impacts on the arrangements that operate with heat and electricity.

Suggested Citation

  • Hugo Sakamoto & Flávia M. Ronquim & Marcelo Martins Seckler & Luiz Kulay, 2019. "Environmental Performance of Effluent Conditioning Systems for Reuse in Oil Refining Plants: A Case Study in Brazil," Energies, MDPI, vol. 12(2), pages 1-14, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:2:p:326-:d:199438
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    References listed on IDEAS

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    1. Lam, Chor-Man & Leng, Ling & Chen, Pi-Cheng & Lee, Po-Heng & Hsu, Shu-Chien, 2017. "Eco-efficiency analysis of non-potable water systems in domestic buildings," Applied Energy, Elsevier, vol. 202(C), pages 293-307.
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    Cited by:

    1. Sagar Shelare & Ravinder Kumar & Trupti Gajbhiye & Sumit Kanchan, 2023. "Role of Geothermal Energy in Sustainable Water Desalination—A Review on Current Status, Parameters, and Challenges," Energies, MDPI, vol. 16(6), pages 1-22, March.
    2. Isadora Luiza Climaco Cunha & Fábio Rosa & Luiz Kulay, 2021. "Green Coalescent Synthesis Based on the Design for Environment (DfE) Principles: Brazilian Experience," Sustainability, MDPI, vol. 13(22), pages 1-22, November.
    3. Hugo Sakamoto & Larissa Thaís Bruschi & Luiz Kulay & Akebo Yamakami, 2023. "Using the Life Cycle Approach for Multiobjective Optimization in the Context of the Green Supply Chain: A Case Study of Brazilian Coffee," Sustainability, MDPI, vol. 15(18), pages 1-18, September.
    4. Francesco Calise & Maria Vicidomini & Mário Costa & Qiuwang Wang & Poul Alberg Østergaard & Neven Duić, 2019. "Toward an Efficient and Sustainable Use of Energy in Industries and Cities," Energies, MDPI, vol. 12(16), pages 1-28, August.
    5. Natália de Almeida Menezes & Isadora Luiza Clímaco Cunha & Moisés Teles dos Santos & Luiz Kulay, 2022. "Obtaining bioLPG via the HVO Route in Brazil: A Prospect Study Based on Life Cycle Assessment Approach," Sustainability, MDPI, vol. 14(23), pages 1-21, November.

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