Academy of Scientific and Innovation Research (AcSIR), Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, Uttar Pradesh, India; Thermo-catalytic Process Area, Material Resource Efficiency Division, CSIR -Indian Institute of Petroleum, Dehradun 248005, Uttarakhand, India.
Department of Biological Systems Engineering, Bioproducts Sciences and Engineering Laboratory, Washington State University, Richland, WA 99354, USA.
Bioresour Technol. 2022 May;351:127047. doi: 10.1016/j.biortech.2022.127047. Epub 2022 Mar 23.
Hydropyrolysis of underutilized cotton stalks with catalytic upgradation was examined at different temperatures (500 to 800 °C) in the presence of nickel impregnated HY-zeolite (Ni/HY) catalysts using pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS). The effects of different metal loading (10, 15, 20 and 25 wt%) and its size were investigated to understand their impact on product distribution, mainly aromatic and aliphatic hydrocarbons. Aromatic hydrocarbons increased with an increase in metal content and optimum metal loading was 20 wt%. The pyrolysis temperature and hydrogen pressure had significant effect on product distribution. Aromatic hydrocarbon area% increased from 1.5% to 48% with an increase in temperature from 500 to 800 °C in non-catalytic hydropyrolysis. Aromatic hydrocarbon area% reached 75.5% with 20 wt% Ni/HY at 10 bar H pressure at 800 °C.
在不同温度（500 至 800°C）下，使用镍浸渍的 HY 沸石（Ni/HY）催化剂，通过热解-气相色谱-质谱联用仪（Py-GC/MS）对未充分利用的棉秆进行水热解和催化升级研究。考察了不同金属负载量（10、15、20 和 25wt%）及其粒径对产物分布（主要为芳烃和脂肪烃）的影响，以了解其影响。芳烃的含量随着金属含量的增加而增加，最佳的金属负载量为 20wt%。热解温度和氢气压力对产物分布有显著影响。在非催化水热解中，芳烃面积%从 500°C时的 1.5%增加到 800°C时的 48%。在 10 巴 H 压力下，800°C 时 20wt% Ni/HY 的芳烃面积%达到 75.5%。
