Classification and analysis of optimization techniques for integrated energy systems utilizing renewable energy sources: a review for CHP and CCHP systems

MA Bagherian, K Mehranzamir, AB Pour, S Rezania… - Processes, 2021 - mdpi.com
Energy generation and its utilization is bound to increase in the following years resulting in
accelerating depletion of fossil fuels, and consequently, undeniable damages to our …

State-of-the-art assessment of natural gas liquids recovery processes: Techno-economic evaluation, policy implications, open issues, and the way forward

MA Qyyum, A Naquash, J Haider, SA Al-Sobhi, M Lee - Energy, 2022 - Elsevier
Although many improved conceptual designs of natural gas liquids (NGLs) recovery
processes have been introduced to enhance the economics and efficiency, real-world …

100% saturated liquid hydrogen production: Mixed-refrigerant cascaded process with two-stage ortho-to-para hydrogen conversion

MA Qyyum, A Riaz, A Naquash, J Haider… - Energy Conversion and …, 2021 - Elsevier
To reduce CO 2 emissions and address climate change concerns, most futuristic studies
investigating 100% renewable energy sources and subsequent power-to-gas/fuel/liquid/X …

Performance improvement potential of harnessing LNG regasification for hydrogen liquefaction process: Energy and exergy perspectives

A Riaz, MA Qyyum, S Min, S Lee, M Lee - Applied Energy, 2021 - Elsevier
Hydrogen serves as an energy vector; however, its storage and bulk transport are
challenging because of its low energy content per unit volume. Similar to liquefied natural …

Energy efficiency enhancement of a single mixed refrigerant LNG process using a novel hydraulic turbine

MA Qyyum, W Ali, NVD Long, MS Khan, M Lee - Energy, 2018 - Elsevier
The advancement in hydraulic turbine (HT) technology was exploited for energy and cost
benefits in natural gas liquefaction. Replacing the conventional Joule–Thompson (JT) valve …

[HTML][HTML] Synthesis and optimization of energy integrated advanced distillation sequences

Q Li, AJ Finn, SJ Doyle, R Smith, AA Kiss - Separation and Purification …, 2023 - Elsevier
This paper explores the basis on which reliable screening of distillation sequences for
energy-efficient separation of zeotropic multicomponent mixtures can be carried out. A case …

Teaching-learning self-study approach for optimal retrofitting of dual mixed refrigerant LNG process: Energy and exergy perspective

MA Qyyum, F Ahmed, A Nawaz, T He, M Lee - Applied Energy, 2021 - Elsevier
This study unfolds the advanced process configuration modification in the evolution of a dual
mixed refrigerant (DMR) process for natural gas liquefaction, followed by its optimization …

Extractive-dividing-wall column and multi-objective optimizations of green entrainer-based ultra-high-purity recovery of methyl di glycol and N-Methyl-2-Pyrrolidone

A Lee, J Gu, YD Chaniago, JA Ningtyas… - Separation and …, 2023 - Elsevier
The waste solvent is frequently generated from the processes that highly rely on solvents.
Diethylene glycol monomethyl ether or methyl di glycols (MDG) and N-methyl-2-pyrrolidone …

Design optimization of single mixed refrigerant LNG process using a hybrid modified coordinate descent algorithm

MA Qyyum, NVD Long, M Lee - Cryogenics, 2018 - Elsevier
Abstract Design optimization of the single mixed refrigerant (SMR) natural gas liquefaction
(LNG) process involves highly non-linear interactions between decision variables …

Two-phase expander refrigeration cycles with ethane–nitrogen: A cost-efficient alternative LNG processes for offshore applications

MA Qyyum, K Qadeer, A Ahmad, F Ahmed… - Journal of Cleaner …, 2020 - Elsevier
Nitrogen expander-based natural gas (NG) liquefaction processes are considered to be the
most feasible and economic practices for offshore applications. The nitrogen single …