4.7 Article

Impact of Gas-Solid Reaction Thermodynamics on the Performance of a Chemical Looping Ammonia Synthesis Process

Related references

Note: Only part of the references are listed.
Article Energy & Fuels

Utilization of carbon-based energy as raw material instead of fuel with low CO2 emissions: Energy analyses and process integration of chemical looping ammonia generation

Jing Fang et al.

Summary: Ammonia has potential as a fuel and energy carrier due to its transportability and cleanliness. A highly efficient system based on chemical looping ammonia generation (CLAG) is proposed, which can generate ammonia with reduced carbon emissions and produce valuable by-products such as steam, carbon monoxide, and urea.

APPLIED ENERGY (2022)

Article Thermodynamics

Techno-economic assessment of blue and green ammonia as energy carriers in a low-carbon future

Carlos Arnaiz del Pozo et al.

Summary: This study evaluates the prospects of blue and green ammonia as future energy carriers and compares them with conventional technologies. The results show that blue ammonia is more economically attractive, while green ammonia has higher costs in technology integration and energy.

ENERGY CONVERSION AND MANAGEMENT (2022)

Article Chemistry, Physical

Molybdenum-based nitrogen carrier for ammonia production via a chemical looping route

Song Yang et al.

Summary: Chemical looping ammonia synthesis (CLAS) using Mo2N as nitrogen carrier was demonstrated to be an effective and sustainable method for ammonia generation. The two-step CLAS showed high N release/fixation efficiency and achieved a higher NH3 production rate compared to the thermo-catalytic ammonia synthesis route catalyzed by Mo2N. The study also confirmed the stability and feasibility of using Mo2N as an NC during the CLAS process.

APPLIED CATALYSIS B-ENVIRONMENTAL (2022)

Article Chemistry, Applied

Towards anti-perovskite nitrides as potential nitrogen storage materials for chemical looping ammonia production: Reduction of Co3ZnN, Ni3ZnN, Co3InN and Ni3InN under hydrogen

Y. Goto et al.

Summary: The ammonia production properties of anti-perovskite nitrides Co3ZnN, Ni3ZnN, Co3InN, and Ni3InN were investigated upon reduction in hydrogen. Differences in ammonia production yield and release rates were observed among these nitrides.

CATALYSIS TODAY (2021)

Article Chemistry, Physical

Vanadium Hydride as an Ammonia Synthesis Catalyst

Yu Cao et al.

Summary: Early transition metals V and Nb show enhanced catalytic activity through hydride diffusion due to their body-centered cubic (bcc) related structures and relatively lower M-N bond strengths. The activity of vanadium hydride surpasses previously reported hydrogenated titanium and is comparable to TiH2 and Cs-Ru/MgO at 400°C under 5 MPa. These findings suggest potential for developing new single-phase hydride catalysts for previously overlooked elements without compromising activity levels.

CHEMCATCHEM (2021)

Article Engineering, Environmental

Thermodynamic feasibility analysis of distributed chemical looping ammonia synthesis

Laron Burrows et al.

Summary: The paper explores intensified Chemical looping for Ammonia Synthesis (CLAS) as a process suitable for remote deployment at Stranded Natural Gas (SNG) sites, aiming to address the challenges in utilizing SNG. By systematically evaluating CLAS, promising chemical loops such as Ca3N2/CaH2, SrH2/Sr3N2, MnO2/Mn5N2 and MoO2/Mo2N are found, indicating potential for further research towards a distributed ammonia synthesis solution.

CHEMICAL ENGINEERING JOURNAL (2021)

Article Chemistry, Physical

Lithium Palladium Hydride Promotes Chemical Looping Ammonia Synthesis Mediated by Lithium Imide and Hydride

Hanxue Yan et al.

Summary: This study demonstrates that the reactivity of palladium (Pd) can be changed when reacting with lithium hydride (LiH) to form a series of lithium palladium hydrides, which promote ammonia synthesis. The resulting ammonia production rate achieved is significantly higher than that of traditional methods, indicating the potential of this novel approach for efficient ammonia production.

JOURNAL OF PHYSICAL CHEMISTRY C (2021)

Article Chemistry, Physical

Ternary ruthenium complex hydrides for ammonia synthesis via the associative mechanism

Qianru Wang et al.

Summary: The authors introduce ternary ruthenium complex hydrides of lithium and barium as alternative catalysts for ammonia production, which activate dinitrogen via a lower-energy path and exhibit superior kinetics under mild conditions.

NATURE CATALYSIS (2021)

Article Thermodynamics

Process design and exergy cost analysis of a chemical looping ammonia generation system using AlN/Al2O3 as a nitrogen carrier

Xiaoyu Wang et al.

Summary: Chemical looping ammonia generation (CLAG) utilizes nitrogen carriers for N-2 fixation and hydrolysis reactions, offering low-pressure, low energy consumption, and high ammonia yield. The system model with a capacity of 300,000 t/a was established, and optimal operation conditions were determined through sensitivity analyses. The exergy efficiency of the system reached about 26%, with further improvement needed in air separation unit, N-2 fixation reactor, and compression and purification unit.

ENERGY (2021)

Article Chemistry, Applied

On the Structural Transformation of Ni/BaH2 During a N2-H2 Chemical Looping Process for Ammonia Synthesis: A Joint In Situ Inelastic Neutron Scattering and First-Principles Simulation Study

Jisue Moon et al.

Summary: The increasing demand for decarbonizing the ammonia industry using renewable energy has led to research interest in catalyst development for effective N-2 reduction under mild conditions. Ni/BaH2 shows promise in ammonia synthesis, but further investigation is needed into the structural transformation of the catalyst during the chemical looping process.

TOPICS IN CATALYSIS (2021)

Article Chemistry, Physical

Barium chromium nitride-hydride for ammonia synthesis

Yeqin Guan et al.

Summary: This study reveals a strategy to activate early transition metals for effective ammonia catalysis by forming nitride-hydride compounds. The catalyst shows high ammonia synthesis rate and low apparent activation energy under mild conditions. The active phase contains reactive hydrogen and nitrogen that are involved in ammonia formation.

CHEM CATALYSIS (2021)

Article Chemistry, Physical

A multi-functional composite nitrogen carrier for ammonia production via a chemical looping route

Sheng Feng et al.

Summary: Chemical looping for sustainable ammonia synthesis is gaining attention, with a multi-functional composite nitrogen carrier identified in this study to significantly enhance ammonia production efficiency under mild conditions. This discovery opens opportunities for new nitrogen carriers design and development with multiple components and functionalities.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Article Engineering, Chemical

Design and Scheduling of Semibatch Chemical-Looping Reactors

Chen Chen et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2020)

Article Multidisciplinary Sciences

Vacancy-enabled N2activation for ammonia synthesis on an Ni-loaded catalyst

Tian-Nan Ye et al.

NATURE (2020)

Article Energy & Fuels

A comparative study on clean ammonia production using chemical looping based technology

Reinaldo Juan Lee Pereira et al.

APPLIED ENERGY (2020)

Article Chemistry, Physical

Light-Driven Chemical Looping for Ammonia Synthesis

Dayne F. Swearer et al.

ACS ENERGY LETTERS (2019)

Article Chemistry, Multidisciplinary

Efficient ammonia synthesis over a Ru/La0.5Ce0.5O1.75 catalyst pre-reduced at high temperature

Yuta Ogura et al.

CHEMICAL SCIENCE (2018)

Article Chemistry, Multidisciplinary

Alkali and Alkaline Earth Hydrides-Driven N-2 Activation and Transformation over Mn Nitride Catalyst

Fei Chang et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2018)

Article Chemistry, Multidisciplinary

Ammonia synthesis from N2 and H2O using a lithium cycling electrification strategy at atmospheric pressure

Joshua M. McEnaney et al.

ENERGY & ENVIRONMENTAL SCIENCE (2017)

Article Chemistry, Multidisciplinary

Titanium-Based Hydrides as Heterogeneous Catalysts for Ammonia Synthesis

Yoji Kobayashi et al.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2017)

Review Chemistry, Physical

Ru-Loaded C12A7:e- Electride as a Catalyst for Ammonia Synthesis

Michikazu Hara et al.

ACS CATALYSIS (2017)

Article Green & Sustainable Science & Technology

Reactor design and operation strategies for a large-scale packed-bed CLC power plant with coal syngas

V. Spallina et al.

INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL (2015)

Article Chemistry, Physical

From the Sabatier principle to a predictive theory of transition-metal heterogeneous catalysis

Andrew J. Medford et al.

JOURNAL OF CATALYSIS (2015)

Review Green & Sustainable Science & Technology

Hydrogen selective membranes: A review of palladium-based dense metal membranes

N. A. Al-Mufachi et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2015)

Article Chemistry, Multidisciplinary

Chemical looping of metal nitride catalysts: low-pressure ammonia synthesis for energy storage

R. Michalsky et al.

CHEMICAL SCIENCE (2015)

Article Chemistry, Physical

High H- ionic conductivity in barium hydride

Maarten C. Verbraeken et al.

NATURE MATERIALS (2015)

Article Engineering, Environmental

CFD studies of dual circulating fluidized bed reactors for chemical looping combustion processes

Wang Shuai et al.

CHEMICAL ENGINEERING JOURNAL (2014)

Article Engineering, Chemical

Nitrides as ammonia synthesis catalysts and as potential nitrogen transfer reagents

J. S. J. Hargreaves

APPLIED PETROCHEMICAL RESEARCH (2014)

Article Nanoscience & Nanotechnology

Commentary: The Materials Project: A materials genome approach to accelerating materials innovation

Anubhav Jain et al.

APL MATERIALS (2013)

Article Chemistry, Physical

An Ionicity Rationale to Design Solid phase Metal Nitride Reactants for Solar Ammonia Production

Ronald Michalsky et al.

JOURNAL OF PHYSICAL CHEMISTRY C (2012)

Article Chemistry, Multidisciplinary

Ammonia synthesis using a stable electride as an electron donor and reversible hydrogen store

Masaaki Kitano et al.

NATURE CHEMISTRY (2012)

Article Chemistry, Physical

Palladium-Based Alloy Membranes for Separation of High Purity Hydrogen from Hydrogen-Containing Gas Mixtures

Gennady S. Burkhanov et al.

PLATINUM METALS REVIEW (2011)

Article Engineering, Chemical

A Novel Dual Circulating Fluidized Bed System for Chemical Looping Processes

Tobias Proell et al.

AICHE JOURNAL (2009)

Article Geosciences, Multidisciplinary

How a century of ammonia synthesis changed the world

Jan Willem Erisman et al.

NATURE GEOSCIENCE (2008)

Article Engineering, Chemical

Ammonia production via a two-step Al2O3/AlN thermochemical cycle.: 1.: Thermodynamic, environmental, and economic analyses

M. E. Galvez et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2007)

Article Thermodynamics

The importance of the ammonia purification process in ammonia-water absorption systems

J Fernández-Seara et al.

ENERGY CONVERSION AND MANAGEMENT (2006)

Article Chemistry, Inorganic & Nuclear

Standard absolute entropy, S○298, values from volume or density.: 1.: Inorganic materials

HDB Jenkins et al.

INORGANIC CHEMISTRY (2003)

Article Chemistry, Physical

Cobalt molybdenum bimetallic nitride catalysts for ammonia synthesis Part 2. Kinetic study

R Kojima et al.

APPLIED CATALYSIS A-GENERAL (2001)