Gasification studies of low-grade Indian coal and biomass in a lab-scale pressurized circulating fluidized bed

Mahapatro, Abinash; Mahanta, Pinakeswar

doi:10.1016/j.renene.2019.10.038

Cited by 36 publications

(8 citation statements)

References 38 publications

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“…The above result was mainly associated with the higher volatiles and the catalytic effect of ash on biomass [59]. Opposite results were observed by Mahapatro et al [44], who note that the LHV g was higher for tests with 100% coal compared with sawdust and rice husk in a fluidized bed gasifier operating with air.…”

Section: Lower Heating Value (𝐋𝐋𝐋𝐋𝐕𝐕 𝐠𝐠 ) Of the Syngasmentioning

confidence: 70%

“…On the other hand, Equation 4 [44] gives the dry gas yield (𝑌𝑌) defined as the syngas production in Nm 3 per kg of solid fuel, where 𝑄𝑄 𝑎𝑎 denotes the air volumetric flow, 𝑥𝑥 𝐴𝐴𝑠𝑠ℎ is the ash content of feedstock in the proximate analysis, and 𝑦𝑦 𝑁𝑁 2 is the molar fraction of N2 in the syngas. Mahapatro et al [44] indicated that a high ash content of the feedstock impacts the dry gas yield estimation.…”

Section: Experimental Conditionsmentioning

confidence: 99%

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Co-gasification of biomass and coal in a top-lit updraft fixed bed gasifier: Syngas composition and its interchangeability with natural gas for combustion applications

Quintero

Rodas

Corredor

et al. 2022

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Section: Lower Heating Value (𝐋𝐋𝐋𝐋𝐕𝐕 𝐠𝐠 ) Of the Syngasmentioning

confidence: 70%

Section: Experimental Conditionsmentioning

confidence: 99%

Co-gasification of biomass and coal in a top-lit updraft fixed bed gasifier: Syngas composition and its interchangeability with natural gas for combustion applications

Quintero

Rodas

Corredor

et al. 2022

Fuel

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“…La gasificación por vapor de CA es un proceso económico que da lugar a corrientes ricas en H2 con altos valores caloríficos (Makwana et a., 2015;. La gasificación de CA también se lleva a cabo a varias presiones de 1-4 bar y se ha encontrado que el rendimiento de gas y la eficiencia de conversión de carbono aumentan con el aumento de la temperatura, sin embargo, es menos significativo en el rendimiento de H2 (Mahapatro & Mahanta 2020). Los aceites gaseosos condensables tienen una alta viscosidad y un bajo poder calorífico.…”

Section: Gasificación De La Cascarilla De Arrozunclassified

Uso sostenible de la cascarilla de arroz para productos de valor añadido

Ubau

Martínez

Pérez³

2022

Higo

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En este artículo se hace una revisión exhaustiva de la conversión termoquímica de la cáscara de arroz (CA) en productos de valor añadido. La cáscara de arroz es un residuo orgánico que se produce en volúmenes considerables en Nicaragua, representando una fuente viable de productos de valor añadido a partir de procesos termoquímicos. Las propiedades de la CA y las condiciones de funcionamiento afectan la calidad y el rendimiento de los productos de bioaceite, biochar y en la elaboración de concreto. Se revisaron sistemáticamente las técnicas de conversión, como la gasificación, la pirólisis lenta y rápida, y la distribución de los productos. La bibliografía muestra que los catalizadores basados en níquel (Ni) demostraron una alta actividad en el craqueo de compuestos de alquitrán e hidrocarburos, mejoraron la calidad del gas y obtuvieron una alta producción de hidrógeno. Las cenizas de CA también se utilizan como material cementante alternativo en el sector de la construcción. El nivel óptimo de sustitución del cemento por cenizas de CA en el concreto es del 15-20%, y se observa una mayor resistencia a la compresión en el concreto con cenizas de CA que en el concreto de cemento convencional.

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“…In 2017-2018, India imported 213 million tons of coal. Being the third-largest producer of coal in the world, India still requires coal imports, because the available coal has low calorific value and ash content up to 50% [133,134]. Hence, Indian thermal power plants that are run by coal are the most inefficient ones.…”

Section: Impacts Of Dust On India's Pv Generation and Barriers For Enmentioning

confidence: 99%

Soiling Losses: A Barrier for India’s Energy Security Dependency from Photovoltaic Power

Ghosh

2020

Challenges

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Worldwide photovoltaic power generation is affected by deposited dust on photovoltaic (PV) systems, which creates soiling losses. In this work, factors that have a detrimental influence on dust deposition and an impact on PV systems performance were reviewed. The different ways that dust deposition can be a barrier for India’s energy security plan involving PV were also discussed. Different available cleaning techniques were also introduced. The nature, size, and morphology of dust particles vary with geographical location. Any increase of the PV tilt angle, or high wind speed and heavy rain showers reduce dust deposition. Deposited dust reduces the incident transmitted light on the PV, which has an adverse impact on the reduction of short circuit current. However, the open-circuit voltage has a reduced effect due to dust deposition. The enhancement of temperature caused by dust-covered PVs is still a debatable area. A universal cleaning technique is required to eliminate the soiling losses from PV. India has a solar mission to generate 100 GW of PV power by 2022. However, India’s poor air quality can undermine efforts to achieve this target.

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Gasification studies of low-grade Indian coal and biomass in a lab-scale pressurized circulating fluidized bed

Cited by 36 publications

References 38 publications

Co-gasification of biomass and coal in a top-lit updraft fixed bed gasifier: Syngas composition and its interchangeability with natural gas for combustion applications

Co-gasification of biomass and coal in a top-lit updraft fixed bed gasifier: Syngas composition and its interchangeability with natural gas for combustion applications

Uso sostenible de la cascarilla de arroz para productos de valor añadido

Soiling Losses: A Barrier for India’s Energy Security Dependency from Photovoltaic Power

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