Progress in green ammonia production as potential carbon-free fuel

G Chehade, I Dincer - Fuel, 2021 - Elsevier
This paper focuses on the challenges, opportunities and future potentials with ammonia as a
carbon-free fuel, and covers recent technological solutions to overcome the barriers with the …

A novel combination of machine learning and intelligent optimization algorithm for modeling and optimization of green ammonia synthesis

Z Deng, L Zhang, B Miao, Q Liu, Z Pan, W Zhang… - Energy Conversion and …, 2024 - Elsevier
Green ammonia synthesis is an important industrial chemical process, which is widely
applied in fields such as fertilizers, petrochemicals and fuel cells. In order to improve green …

An improved elephant herding optimization for global optimization problems

H Singh, B Singh, M Kaur - Engineering with Computers, 2022 - Springer
This study proposes a modified Elephant Herding Optimization algorithm to enhance the
capability of a classical algorithm for convalescent convergence rate and precision to solve …

Comparison between three types of ammonia synthesis reactor configurations in terms of cooling methods

MH Khademi, RS Sabbaghi - Chemical Engineering Research and Design, 2017 - Elsevier
In this study, simulation and optimization of ammonia synthesis reactor based on the
implemented cooling methods was presented in three cases: internal direct cooling reactor …

Plant-wide modeling and techno-economic optimization of a low-pressure microwave-assisted ammonia synthesis process with adsorption separation

O Ogunniyan, ME Haque, Y Wang, J Hu… - International Journal of …, 2024 - Elsevier
Ammonia production has traditionally been done by using the Haber-Bosch process, that
operates at extremely high pressure (200–300 bar), has a large carbon footprint, and …

A novel multi-objective optimization strategy based on vibrating particle system algorithm applied to chemical process design

JC Andrade, FS Lobato, SMS Neiro, GB Libotte… - … Research and Design, 2024 - Elsevier
Chemical process design is a highly interesting field within the chemical engineering
community due to the numerous potential applications it offers. Traditionally, this problem …

Sustainable ammonia production from steam reforming of biomass-derived glycerol in a heat-integrated intensified process: Modeling and feasibility study

MH Khademi, M Lotfi-Varnoosfaderani - Journal of Cleaner Production, 2021 - Elsevier
Currently, ammonia, as a clean and sustainable energy carrier, is intensively synthesized
from its elements during the Haber-Bosch technology. This process requires a large amount …

Comparative evaluation of spherical radial flow reactor, spherical axial flow reactor, and tubular reactor in ammonia production by using CFD simulation

A Nikzad, D Iranshahi, M Ranjbaran - Fuel, 2023 - Elsevier
Computational fluid dynamics (CFD) simulations have been conducted to analyze and
compare three configurations of an ammonia synthesis packed bed reactor by …

Advanced kinetic modelling and simulation of a new small modular ammonia production unit

G Chehade, I Dincer - Chemical Engineering Science, 2021 - Elsevier
This study aims to propose and develop a novel small modular ammonia synthesizer that
enables ammonia to be produced on demand for the consumer with zero carbon emissions …

Towards technology, economy, energy and environment oriented simultaneous optimization of ammonia production process: Further analysis of green process

AM Gujarathi, R Al-Hajri, Z Al-Ani, M Al-Abri… - Heliyon, 2023 - cell.com
Ammonia is one of the most produced chemicals around the world due to its various uses.
However its traditional production process is associated with high fossil fuel consumption …