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Corrosion Of Nickle Based Alloy In Batch-Mode Biomass Supercritical Water Gasification(SCWG) System

Corrosion Of Nickle Based Alloy In Batch-Mode Biomass Supercritical Water Gasification(SCWG) System
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Supercritical water gasification (SCWG) is a promising thermochemical conversion technology in which supercritical water is used as the medium to convert different types of wet biomass (such as wastewater sludge, food waste or microalgae) and even crude bio-oils into hydrogenrich syngas without the need of costive pre-drying process.1 During typical SCWG conversion at temperature and pressure above the critical point of water (i.e., 374℃ and 22.1 MPa), alkali metal/metal oxide catalysts, carbon-based catalysts and Ni- or Fe-based catalysts are introduced to significantly improve the conversion efficiency on H2 production.2 

Product Number: 51322-18030-SG
Author: Haoyang Li, Xue Han, Kaiyang Li, Minkang Liu, Yimin Zeng, Chunbao (Charles) Xu
Publication Date: 2022
Industry: Corrosion Monitoring and Control
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Supercritical water gasification (SCWG) is a thermochemical conversion technology developed to transform various feedstocks, such as raw forest biomass materials, crude bio-oils and biowastes, into syngas (a combination of CO and H2) for clean energy production. Despite the intensive research efforts that have been applied on the development of SCWG technology, the optimal SCWG operating parameters (temperature, pressure, and biomass/water ratio, etc.) are not well defined because of the complexity of feedstock types and conversion reactor configurations (batch or continuous mode). Moreover, little information is available to determine which alloys are suitable for the reactor construction in a long-term safe and cost-effective manner. 

Supercritical water gasification (SCWG) is a thermochemical conversion technology developed to transform various feedstocks, such as raw forest biomass materials, crude bio-oils and biowastes, into syngas (a combination of CO and H2) for clean energy production. Despite the intensive research efforts that have been applied on the development of SCWG technology, the optimal SCWG operating parameters (temperature, pressure, and biomass/water ratio, etc.) are not well defined because of the complexity of feedstock types and conversion reactor configurations (batch or continuous mode). Moreover, little information is available to determine which alloys are suitable for the reactor construction in a long-term safe and cost-effective manner. 

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