Towards a low-carbon future: exploring green urea synthesis for sustainable agriculture

Khan, Ansub; Abbas, Abiha; Dickson, Rofice

doi:10.1039/d3gc03228k

Cited by 6 publications

(1 citation statement)

References 26 publications

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“…Pure oxygen is provided to avoid the addition of the carbon capture unit downstream of the power generation process and its energy penalty. For this, ASU is used to separate the oxygen using cryogenic temperatures of −196 • C [20,21]. The outlet flue gases of the GT are still at high temperatures, which are passed through an HRSG to produce superheated steam at 300 • C and 30 bar [22].…”

Section: Case 1 (Base Case)mentioning

confidence: 99%

Integration of Methane Reforming and Chemical Looping Technologies for Power Generation from Waste Plastic: Technical and Economic Assessment

Alqarzaee,

Ahmed

2024

Sustainability

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An imperative environmental concern is escalating due to the widespread disposal of plastic waste in oceans and landfills, adversely impacting ecosystems and marine life. In this context, sustainable methods for plastic waste utilisation were evaluated, particularly for power generation. Two case studies were developed to assess the potential utilisation of waste plastic, specifically polyethylene and polypropylene, by integrating gasification with steam methane reforming (SMR) alongside two oxygen-supplying techniques for combustion including cryogenic air separation (ASU) and chemical looping combustion (CLC) for case 1 and case 2, respectively. For this, thorough process simulations of both case studies were performed to obtain detailed material and energy balances. The techno-economic analysis was performed to assess the economic performance of the processes by estimating levelized cost of electricity (LCOE). The results indicated that case 2 is more efficient (5.4%) due to the lower utility requirement of the CLC process as compared to ASU. Consequently, case 2 generated a LCOE of USD 137/MW. It was also seen from the results that the power output is directly proportional to the methane input while the increase in gasifier temperature enhances the H2 and CO content in syngas.

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Section: Case 1 (Base Case)mentioning

confidence: 99%

Integration of Methane Reforming and Chemical Looping Technologies for Power Generation from Waste Plastic: Technical and Economic Assessment

Alqarzaee,

Ahmed

2024

Sustainability

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show abstract

Towards Sustainable Agricultural Practices in Tekirdağ, Türkiye: Greenhouse Gas Emissions and Energy Use Efficiency of Vitis vinifera L. Production

Say,

Pan,

Yalçınkaya

et al. 2024

Applied Fruit Science

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Decarbonizing urea: Techno-economic and environmental analysis of a model hydroelectricity and carbon capture based green urea production

Devkota,

Karmacharya,

Maharjan

et al. 2024

Applied Energy

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Towards a low-carbon future: exploring green urea synthesis for sustainable agriculture

Abstract: Urea, an important derivative of ammonia, has become an integral part of modern agriculture to meet the increasing global food demand.

Cited by 6 publications

References 26 publications

Integration of Methane Reforming and Chemical Looping Technologies for Power Generation from Waste Plastic: Technical and Economic Assessment

Integration of Methane Reforming and Chemical Looping Technologies for Power Generation from Waste Plastic: Technical and Economic Assessment

Towards Sustainable Agricultural Practices in Tekirdağ, Türkiye: Greenhouse Gas Emissions and Energy Use Efficiency of Vitis vinifera L. Production

Decarbonizing urea: Techno-economic and environmental analysis of a model hydroelectricity and carbon capture based green urea production

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