Heat transfer enhancement, intensification and optimisation in heat exchanger network retrofit and operation

JJ Klemeš, QW Wang, PS Varbanov, M Zeng… - … and Sustainable Energy …, 2020 - Elsevier
The improvement of heat recovery in the industry has traditionally been approached from
two different viewpoints–Process Intensification and Process Integration. Many of the …

Heat exchanger network synthesis considering detailed thermal-hydraulic performance: Methods and perspectives

N Li, JJ Klemeš, B Sunden, Z Wu, Q Wang… - … and Sustainable Energy …, 2022 - Elsevier
Heat exchanger network synthesis is an essential optimisation tool for Process Integration,
particularly in energy-intensive industries. Proper design or retrofit of heat exchanger …

Estimation of thermal effects of fouling growth for application in the scheduling of heat exchangers cleaning

M Trafczynski, M Markowski, K Urbaniec… - Applied Thermal …, 2021 - Elsevier
Energy-saving heat recovery in an industrial heat exchanger network may by impaired by
fouling build-up on heat transfer surfaces of the exchangers. During longer periods of …

Energy saving and pollution reduction through optimal scheduling of cleaning actions in a heat exchanger network

M Trafczynski, M Markowski, K Urbaniec - Renewable and Sustainable …, 2023 - Elsevier
Heat exchanger fouling may impair energy recovery in Heat Exchanger Networks (HENs),
thereby increasing the energy intensity of production processes. Fouling growth on the heat …

Simultaneous optimization of flow velocity and cleaning schedule for mitigating fouling in refinery heat exchanger networks

J Tian, Y Wang, X Feng - Energy, 2016 - Elsevier
Fouling is a crucial problem in refinery HEN (heat exchanger network) that reduces heat
transfer and affects regular production. The conventional way to mitigate fouling is cleaning …

Application of the self-heat recuperation technology to crude oil distillation

Y Kansha, A Kishimoto, A Tsutsumi - Applied thermal engineering, 2012 - Elsevier
Crude oil distillation is an atmospheric distillation column using a furnace. It consumes about
50% of the energy required in an oil refinery plant. To reduce energy requirements, it is …

Optimization of velocity for energy saving and mitigating fouling in a crude oil preheat train with fixed network structure

Y Wang, S Zhan, X Feng - Energy, 2015 - Elsevier
Fouling of the inside of tubes in crude oil preheat systems increases pressure drop and
pumping costs. In this paper, a method is proposed for optimizing crude oil velocity to reduce …

Dynamic optimization of the flow rate distribution in heat exchanger networks for fouling mitigation

BCG Assis, JC Lemos, FS Liporace… - Industrial & …, 2015 - ACS Publications
Heat exchanger networks are structures composed of a set of heat exchangers
interconnected in order to reduce utilities consumption. During the network operation, heat …

Constrained thermohydraulic optimization of the flow rate distribution in crude preheat trains

BCG Assis, CO Gonçalves, FS Liporace… - … Research and Design, 2013 - Elsevier
Crude preheat trains are heat exchanger networks which heat the crude oil stream in the
petroleum distillation using hot product streams and pumparounds. The final heating step is …

Optimal allocation of cleanings in heat exchanger networks

BCG Assis, JC Lemos, EM Queiroz, FLP Pessoa… - Applied thermal …, 2013 - Elsevier
This paper addresses the identification of the optimal set of heat exchangers to be cleaned
during a plant maintenance shutdown. The proposed methodology is based on the …