一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization
以胜利褐煤为原料，通过浓硫酸一步炭化磺化法制备煤基固体酸催化剂，以油酸和甲醇的酯化反应评价催化剂的催化活性。采用单因素实验考察了固液比、磺化温度、磺化时间对催化活性的影响。采用红外光谱、元素分析、BET、SEM、XRD、热重分析等对煤基固体酸催化剂进行表征。结果表明，当磺化温度为110 ℃、磺化时间为90 min、固液比为1∶ 17时，煤基固体酸催化剂具有最优的催化活性，其催化油酸和甲醇的酯化反应的酯化率达到93.50%。煤基固体酸催化剂为具有较低石墨化程度的无定形碳结构，磺酸基已成功键合到了碳基载体上，同时具有丰富的含氧官能团，其表面呈现密集孔结构，且以介孔为主。煤基固体酸催化剂在低于140...
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| Format: | Article |
| Language: | English |
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中粮工科（西安）国际工程有限公司
2022-06-01
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| Series: | Zhongguo youzhi |
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| Online Access: | http://tg.chinaoils.cn/ch/reader/create_pdf.aspx?file_no=20220615&year_id=2022&quarter_id=6&falg=1 |
| _version_ | 1797755731680690176 |
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| author | 王雪，王克冰，钟源，刘玉玲 WANG Xue， WANG Kebing， ZHONG Yuan， LIU Yuling |
| author_facet | 王雪，王克冰，钟源，刘玉玲 WANG Xue， WANG Kebing， ZHONG Yuan， LIU Yuling |
| author_sort | 王雪，王克冰，钟源，刘玉玲 WANG Xue， WANG Kebing， ZHONG Yuan， LIU Yuling |
| collection | DOAJ |
| description | 以胜利褐煤为原料，通过浓硫酸一步炭化磺化法制备煤基固体酸催化剂，以油酸和甲醇的酯化反应评价催化剂的催化活性。采用单因素实验考察了固液比、磺化温度、磺化时间对催化活性的影响。采用红外光谱、元素分析、BET、SEM、XRD、热重分析等对煤基固体酸催化剂进行表征。结果表明，当磺化温度为110 ℃、磺化时间为90 min、固液比为1∶ 17时，煤基固体酸催化剂具有最优的催化活性，其催化油酸和甲醇的酯化反应的酯化率达到93.50%。煤基固体酸催化剂为具有较低石墨化程度的无定形碳结构，磺酸基已成功键合到了碳基载体上，同时具有丰富的含氧官能团，其表面呈现密集孔结构，且以介孔为主。煤基固体酸催化剂在低于140 ℃时具有较好的热稳定性，重复使用5次后，催化酯化率为57.21%。
Using Shengli lignite as raw material, coal based solid acid catalyst was prepared by one-step carbonization sulfonation of concentrated sulfuric acid. The catalytic activity of the catalyst was evaluated by esterification reaction of oleic acid and methanol.The effects of solid-liquid ratio, sulfonation temperature and sulfonation time on the catalytic activity were investigated.The coal based solid acid catalyst was characterized by IR, EA, BET, SEM, XRD and TG-DTG.The results showed that when the sulfonation temperature was 110 ℃, the sulfonation time was 90 min, and the solid-liquid ratio was 1∶ 17, the coal based solid acid catalyst had the best catalytic activity with the esterification rate reaching 93.50%.The catalyst was amorphous carbon structure with low graphitization degree. The sulfonic acid group was successfully bonded to the carbon-based support. The catalyst had abundant oxygen-containing functional groups, and its surface presented dense pore structure, which was mainly mesoporous. The catalyst had better thermal stability below 140 ℃. After repeated use for 5 times, the esterification rate was 57.21%. |
| first_indexed | 2024-03-12T17:50:25Z |
| format | Article |
| id | doaj.art-4780b67f4cca492da848bd08303ad99b |
| institution | Directory Open Access Journal |
| issn | 1003-7969 |
| language | English |
| last_indexed | 2024-03-12T17:50:25Z |
| publishDate | 2022-06-01 |
| publisher | 中粮工科（西安）国际工程有限公司 |
| record_format | Article |
| series | Zhongguo youzhi |
| spelling | doaj.art-4780b67f4cca492da848bd08303ad99b2023-08-03T07:14:21Zeng中粮工科（西安）国际工程有限公司Zhongguo youzhi1003-79692022-06-0147610010410.19902/j.cnki.zgyz.1003-7969.210316一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization王雪，王克冰，钟源，刘玉玲 WANG Xue， WANG Kebing， ZHONG Yuan， LIU Yuling0内蒙古农业大学 理学院，呼和浩特 010018College of Science, Inner Mongolia Agricultural University, Hohhot 010018, China以胜利褐煤为原料，通过浓硫酸一步炭化磺化法制备煤基固体酸催化剂，以油酸和甲醇的酯化反应评价催化剂的催化活性。采用单因素实验考察了固液比、磺化温度、磺化时间对催化活性的影响。采用红外光谱、元素分析、BET、SEM、XRD、热重分析等对煤基固体酸催化剂进行表征。结果表明，当磺化温度为110 ℃、磺化时间为90 min、固液比为1∶ 17时，煤基固体酸催化剂具有最优的催化活性，其催化油酸和甲醇的酯化反应的酯化率达到93.50%。煤基固体酸催化剂为具有较低石墨化程度的无定形碳结构，磺酸基已成功键合到了碳基载体上，同时具有丰富的含氧官能团，其表面呈现密集孔结构，且以介孔为主。煤基固体酸催化剂在低于140 ℃时具有较好的热稳定性，重复使用5次后，催化酯化率为57.21%。 Using Shengli lignite as raw material, coal based solid acid catalyst was prepared by one-step carbonization sulfonation of concentrated sulfuric acid. The catalytic activity of the catalyst was evaluated by esterification reaction of oleic acid and methanol.The effects of solid-liquid ratio, sulfonation temperature and sulfonation time on the catalytic activity were investigated.The coal based solid acid catalyst was characterized by IR, EA, BET, SEM, XRD and TG-DTG.The results showed that when the sulfonation temperature was 110 ℃, the sulfonation time was 90 min, and the solid-liquid ratio was 1∶ 17, the coal based solid acid catalyst had the best catalytic activity with the esterification rate reaching 93.50%.The catalyst was amorphous carbon structure with low graphitization degree. The sulfonic acid group was successfully bonded to the carbon-based support. The catalyst had abundant oxygen-containing functional groups, and its surface presented dense pore structure, which was mainly mesoporous. The catalyst had better thermal stability below 140 ℃. After repeated use for 5 times, the esterification rate was 57.21%.http://tg.chinaoils.cn/ch/reader/create_pdf.aspx?file_no=20220615&year_id=2022&quarter_id=6&falg=1煤基固体酸；一步法；炭化磺化；催化剂；酯化反应coal based solid acid;one-step method; carbonization sulfonation; catalyst; esterification reaction |
| spellingShingle | 王雪，王克冰，钟源，刘玉玲 WANG Xue， WANG Kebing， ZHONG Yuan， LIU Yuling 一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization Zhongguo youzhi 煤基固体酸；一步法；炭化磺化；催化剂；酯化反应 coal based solid acid;one-step method; carbonization sulfonation; catalyst; esterification reaction |
| title | 一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization |
| title_full | 一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization |
| title_fullStr | 一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization |
| title_full_unstemmed | 一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization |
| title_short | 一步炭化磺化法制备煤基固体酸催化剂及其表征Preparation of coal based solid acid catalyst by one-step carbonization sulfonation and its characterization |
| title_sort | 一步炭化磺化法制备煤基固体酸催化剂及其表征preparation of coal based solid acid catalyst by one step carbonization sulfonation and its characterization |
| topic | 煤基固体酸；一步法；炭化磺化；催化剂；酯化反应 coal based solid acid;one-step method; carbonization sulfonation; catalyst; esterification reaction |
| url | http://tg.chinaoils.cn/ch/reader/create_pdf.aspx?file_no=20220615&year_id=2022&quarter_id=6&falg=1 |
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