Simulation and modeling of hydrogen production and power from wheat straw biomass at supercritical condition through Aspen Plus and ANN approaches

Within integrated steelmaking industries significant research efforts are devoted to the efficient use of resources and the reduction of CO2 emissions. Integrated steelworks consume a considerable quantity of raw materials and produce a high amount of by-products, such as off-gases, currently used for the internal production of heat, steam or electricity. These off-gases can be further valorized as feedstock for methane and methanol syntheses, but their hydrogen content is often inadequate to reach high conversions in synthesis processes. The addition of hydrogen is fundamental and a suitable hydrogen production process must be selected to obtain advantages in process economy and sustainability. This paper presents a comparative analysis of different hydrogen production processes from renewable energy, namely polymer electrolyte membrane electrolysis, solid oxide electrolyze cell electrolysis, and biomass gasification. Aspen Plus® V11-based models were developed, and simulations were conducted for sensitivity analyses to acquire useful information related to the process behavior. Advantages and disadvantages for each considered process were highlighted. In addition, the integration of the analyzed hydrogen production methods with methane and methanol syntheses is analyzed through further Aspen Plus®-based simulations. The pros and cons of the different hydrogen production options coupled with methane and methanol syntheses included in steelmaking industries are analyzed.

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Catalytic gasification of wheat straw in hot compressed (subcritical and supercritical) water for hydrogen production

Energy Science & Engineering ◽

10.1002/ese3.219 ◽

2018 ◽

Vol 6 (5) ◽

pp. 448-459 ◽

Cited By ~ 26

Author(s):

Sonil Nanda ◽

Sivamohan N. Reddy ◽

Dai-Viet N. Vo ◽

Bichitra N. Sahoo ◽

Janusz A. Kozinski

Keyword(s):

Hydrogen Production ◽

Wheat Straw ◽

Supercritical Water ◽

Catalytic Gasification

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Synergistic effects of mixing hybrid poplar and wheat straw biomass for bioconversion processes

Biotechnology for Biofuels ◽

10.1186/s13068-015-0414-9 ◽

2015 ◽

Vol 8 (1) ◽

Cited By ~ 15

Author(s):

Rodrigo Morales Vera ◽

Renata Bura ◽

Rick Gustafson

Keyword(s):

Wheat Straw ◽

Synergistic Effects ◽

Hybrid Poplar ◽

Wheat Straw Biomass

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Analysis on Active Behavior of Wheat Straw by Py-GC-MS

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.496.189 ◽

2012 ◽

Vol 496 ◽

pp. 189-193

Author(s):

Hai Yan Guo ◽

Zhen Zhen Zheng

Keyword(s):

Acetic Acid ◽

Wheat Straw ◽

Octadecenoic Acid ◽

Active Behavior ◽

Wheat Straw Biomass

In order to find out its active behavior, the extractives of wheat straw biomass were adsorbed and determined by Py-GC-MS. And the main constituents were eicosane, stigmasterol, 22,23-dihydro-, .gamma.-sitosterol, stigmasterol, campesterol, nonacosane, stigmast-4-en-3-one, lup-20(29)-en-3-one, 13-tetradecen-1-ol acetate, 1,3-butadiene, 2- methyl-, 9-octadecenoic acid, (e)-, acetic acid, stigmast-5-en-3-ol, oleate, 1-nonadecene, heptacosane, 4,22-stigmastadiene-3-one, 4-((1e)-3-hydroxy-1-propenyl)-2- methoxyphenol, 1-heptene, 2-isohexyl-6-methyl-, etc.

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Optimization of Pre-treatment Using RSM on Wheat Straw and Production of Lactic Acid Using Thermotolerant, Inhibitor Tolerant and Xylose Utilizing Bacillus Sonorenesis Strain DGS15

10.21203/rs.3.rs-1204425/v1 ◽

2022 ◽

Author(s):

Simarpreet Kaur Chawla ◽

Dinesh Goyal

Keyword(s):

Lactic Acid ◽

Wheat Straw ◽

Lignocellulosic Biomass ◽

Fermentation Broth ◽

Lactic Acid Production ◽

Reducing Sugar ◽

Hot Water ◽

Pre Treatment ◽

Wheat Straw Biomass ◽

Pretreated Biomass

Abstract Thermotolerant lactic acid producing bacteria, isolated from red soil of brick kiln was identified by 16S rRNA sequencing as Bacillus sonorenesis , which showed remarkable capability to ferment sugars of lignocellulosic biomass after pre-treatment, yielding 0.97 g/g lactic acid with overall productivity of 0.38 g L -1/ h. RSM was employed to optimize the sulphuric acid pre-treatment combined with dilute NaOH and hot water pre-treatment. Pretreated wheat straw biomass had 40.4% cellulose, 18.4% hemicellulose, 12.4% lignin and 28.2 g L -1 reducing sugar, while native wheat straw biomass had 36% cellulose, 25% hemicellulose, 20% total lignin, and 0.94 g L -1 reducing sugar. Scanning electron microscopy (SEM) revealed that the ordered and compact structure of wheat straw was destroyed upon pre-treatment. X-ray diffractogram (XRD) revealed 9.71% increase in crystallinity index ( CrI ) in pretreated biomass. FTIR spectrogram showed removal of lignin due to reduction of peak at 1640 cm -1 in pretreated biomass. Bacillus sonorenesis DGS15 is inhibitor tolerant (furfural (1.2 g L -1 ) and HMF (2.4 g L -1 )). Furfural was consumed after 72 h of fermentation and HMF got accumulated with 3.75-fold increase in concentration in the fermentation broth. In terms of final concentration, yield, and fermentation duration, this is the best performance of DGS15 for lactic acid production utilizing xylose, glucose as the carbon source. All of these findings showed that the thermotolerant Bacillus sonorenesis strain DGS15 is a novel, attractive candidate for producing lactic acid from lignocellulosic biomass.

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