Results 191 to 200 of about 31,892 (230)

How sensitive is a dynamic ammonia synthesis process? Global sensitivity analysis of a dynamic Haber-Bosch process (for flexible seasonal energy storage)

Energy, 2021
The transition towards a sustainable energy sector depends on how we safely manage the transport and storage of energy to keep up with the demand. Large storage (TWh) of renewable energy can be accomplished by producing an energy carrier like ammonia ...
Kevin Verleysen, Alessandro Parente, Francesco Contino   +2 more
exaly   +3 more sources

Heat integration and part-load performance of an SOEC-coupled Haber–Bosch process

International Journal of Hydrogen Energy
Integrating the Haber–Bosch (HB) process with high-temperature water electrolysis for hydrogen production, such as using solid oxide electrolysis cells (SOEC), offers a promising opportunity to utilize the heat generated during ammonia synthesis for steam generation to partially cover the steam demand of the SOEC.
Rafael Nogueira Nakashima, Henrik Lund Frandsen   +1 more
exaly   +3 more sources

Economically feasible decarbonization of the Haber-Bosch process through supercritical CO2 Allam cycle integration

Applied Energy, 2021
The well-established Haber-Bosch (HB) process (industrial ammonia production) is a significant contributor to the world's carbon emissions as it is a major consumer of natural gas as well as being energy-intensive in general. This work addresses the
M. Byun, Dongjun Lim, Boreum Lee, A. Kim, I. Lee, B. Brigljević, Hankwon Lim   +6 more
semanticscholar   +4 more sources

Kinetic-quantum chemical model for catalytic cycles: the Haber-Bosch process and the effect of reagent concentration.

The Journal of Physical Chemistry A, 2008
A combined kinetic-quantum chemical model is developed with the goal of estimating in a straightforward way the turnover frequency (TOF) of catalytic cycles, based on the state energies obtained by quantum chemical calculations.
S. Kozuch, S. Shaik
semanticscholar   +4 more sources

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Shrinking the Haber-Bosch process

C&EN Global Enterprise, 2019
The Haber-Bosch process is responsible for over 1% of global carbon dioxide emissions every year, making it the biggest CO2 belcher among industrial chemical reactions.
Leigh Krietsch Boerner
semanticscholar   +2 more sources

Sustainable N fertilizer production based on a loop: Straw - biogas – ‘Haber-Bosch’ process

Agricultural Systems, 2021
CONTEXT A concept was presented to produce N fertilizer by digesting straw in a biogas plant and transporting bio-methane to a fertilizer plant through a gas grid substituting natural gas.
G. Bertilsson, H. Kirchmann
semanticscholar   +2 more sources

Electrochemical synthesis of ammonia as a potential alternative to the Haber–Bosch process

Nature Catalysis, 2019
The preeminent Haber–Bosch process has been feeding humankind for more than one hundred years. Are electrochemical pathways for ammonia synthesis able to compete with it in the future? Electrocatalysts, electrolytes and novel cell design may be key.
G. Soloveichik
semanticscholar   +2 more sources

The Haber-Bosch Process and the Development of Chemical Engineering

, 1982
M. Appl
semanticscholar   +2 more sources

Life cycle analysis of an alternative to the haber‐bosch process: Non‐renewable energy usage and global warming potential of liquid ammonia from cyanobacteria

, 2014
The production of ammonia via the Haber-Bosch process consumes large amounts of fossil fuels and releases large amounts of greenhouse gases. Ammonia has many important applications including fertilizer for crops and for microalgae-derived biofuel systems.
L. Razon
semanticscholar   +2 more sources

Haber‐Bosch process

, 2020
R. Schlögl, A. Scheybal
semanticscholar   +2 more sources