评估 Ni/M.Al2O3（M= La、Mn、Cr）在甘油干转化反应中的催化性能

IF 5.8 2区生物学 Q1 AGRICULTURAL ENGINEERING Biomass & Bioenergy Pub Date : 2024-04-08 DOI:10.1016/j.biombioe.2024.107185

Mohadeseh Golestani Kashani , Armin Ourang , Fereshteh Meshkani

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摘要

研究了各种二元氧化物（如 M2O3.Al2O3（M = La、Mn 和 Cr））对甘油转化为合成气的影响，这些氧化物是通过简单的固态路线和 10% 重量级 Ni 的浸渍法制备的。本研究采用了 BET、XRD、TPR、TPO、TPD 和 SEM 技术来评估材料的物理化学特性。在所研究的催化剂中，10Ni/La2O3.Al2O3 样品在 750 °C 和 GHSV = 54000 mL/g.h 条件下可将甘油转化率提高到 54.61%，并且由于强碱性位点的存在，10Ni/Al2O3 的长期稳定性得到改善。在下一阶段的研究中，我们合成了不同的 xLa2O3.yAl2O3 重量比，以评估 La 的最佳含量。重量比等于 1 时，催化活性和耐久性表现最佳。对反应条件（即 GHSV 和 CGR）的研究证明，这些参数是主要的有效参数，其增加趋势会导致甘油转化率降低。

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Evaluation of Ni/M.Al2O3 (M= La, Mn, Cr) catalytic performance in glycerol dry reforming reaction

Glycerol to syngas conversion was investigated with the effect of various binary oxides such as M₂O₃.Al₂O₃ (M = La, Mn, and Cr), prepared by simple solid state route, along with impregnation method of 10% wt Ni. BET, XRD, TPR, TPO, TPD, and SEM techniques were applied in this study for the evaluation of the physicochemical characteristics of materials. Amid the examined catalysts, 10Ni/La₂O₃.Al₂O₃ sample caused an increase in glycerol conversion to 54.61% at 750 °C and GHSV = 54000 mL/g.h and led to improved long stability of the 10Ni/Al₂O₃ due to the presence of strong basic sites. In the next phase of research, different xLa₂O₃.yAl₂O₃ weight ratios were synthesized to evaluate the optimum La content. Weight ratio equal to one selected to achieve the best performance in terms of catalytic activity and durability. Reaction conditions’ investigation i.e. GHSV and CGR proved that were mainly effective parameters whose increasing trend leads to a decrease in glycerol conversion.

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来源期刊

Biomass & Bioenergy 工程技术-能源与燃料

CiteScore

11.50

自引率

3.30%

发文量

258

审稿时长

60 days

期刊介绍： Biomass & Bioenergy is an international journal publishing original research papers and short communications, review articles and case studies on biological resources, chemical and biological processes, and biomass products for new renewable sources of energy and materials. The scope of the journal extends to the environmental, management and economic aspects of biomass and bioenergy. Key areas covered by the journal: • Biomass: sources, energy crop production processes, genetic improvements, composition. Please note that research on these biomass subjects must be linked directly to bioenergy generation. • Biological Residues: residues/rests from agricultural production, forestry and plantations (palm, sugar etc), processing industries, and municipal sources (MSW). Papers on the use of biomass residues through innovative processes/technological novelty and/or consideration of feedstock/system sustainability (or unsustainability) are welcomed. However waste treatment processes and pollution control or mitigation which are only tangentially related to bioenergy are not in the scope of the journal, as they are more suited to publications in the environmental arena. Papers that describe conventional waste streams (ie well described in existing literature) that do not empirically address ''new'' added value from the process are not suitable for submission to the journal. • Bioenergy Processes: fermentations, thermochemical conversions, liquid and gaseous fuels, and petrochemical substitutes • Bioenergy Utilization: direct combustion, gasification, electricity production, chemical processes, and by-product remediation • Biomass and the Environment: carbon cycle, the net energy efficiency of bioenergy systems, assessment of sustainability, and biodiversity issues.