氯化胆碱类低共熔溶剂对木质纤维素分离及其利用的研究进展

doi:10.11924/j.issn.1000-6850.casb2022-0835

中国农学通报 ›› 2023, Vol. 39 ›› Issue (33): 156-164.doi: 10.11924/j.issn.1000-6850.casb2022-0835

• 生物质能源 • 上一篇

氯化胆碱类低共熔溶剂对木质纤维素分离及其利用的研究进展

柳静¹(), 王昌梅¹, 赵兴玲¹, 吴凯¹, 尹芳¹^,², 杨红¹, 杨斌¹, 梁承月¹, 张无敌¹^,²()

¹ 云南师范大学能源与环境科学学院，昆明 650500
² 云南省农村能源工程重点实验室，昆明 650500

收稿日期:2022-10-09 修回日期:2023-01-15 出版日期:2023-11-25 发布日期:2023-11-22
通讯作者: 张无敌，男，1965年出生，云南石屏人，研究员，本科，学士，主要从事生物质资源综合利用技术开发研究工作。通信地址：650500 云南省昆明市呈贡区聚贤街768号云南师范大学能源与环境科学学院，Tel：0871-65940928，E-mail：wootichang@163.com。
作者简介:
柳静，女，1985年出生，云南曲靖人，讲师，硕士研究生，研究方向：木质纤维素综合利用。通信地址：650500 云南省昆明市呈贡区聚贤街768号云南师范大学能源与环境科学学院，Tel：0871-65940928，E-mail：lj@ynnu.edu.cn。
基金资助:
云南师范大学研究生科研创新基金“低共熔溶剂预处理玉米秸秆的研究”(YJSJJ21-A06); 云南省万人计划产业技术领军人才项目“有机废弃物能源回收与资源化利用关键技术研发及示范”(20191096); 云南省国际科技合作专项“中国昆明——老挝万象可再生能源推广与示范科技创新中心”(202003AF140001); 昆明市国际（对外）科技合作基地“昆明-万象创新中心”(GHJD-2020026)

Lignocellulose Separation and Utilization Based on Choline Chloride Eutectic Solvents: A Review

LIU Jing¹(), WANG Changmei¹, ZHAO Xingling¹, WU Kai¹, YIN Fang¹^,², YANG Hong¹, YANG Bin¹, LIANG Chengyue¹, ZHANG Wudi¹^,²()

¹ College of Energy and Environment, Yunnan Normal University, Kunming 650500
² Yunnan Key Laboratory of Rural Energy Engineering, Kunming 650500

Received:2022-10-09 Revised:2023-01-15 Published-:2023-11-25 Online:2023-11-22

摘要/Abstract

摘要：

为了去除木质纤维素固有复杂抗性结构，实现木质纤维素原料的高效利用，研究人员不断开发新的木质纤维素预处理技术。低共熔溶剂(Deep Eutectic Solvents, DESs)作为一种绿色溶剂，具有成本低、制备简单、热稳定性好、可设计性等优势，在促进木质纤维素原料预处理、原料酶解转化方面有着较好的应用潜力，得到了研究者们的广泛关注和认可。本研究在查阅国内外研究现状和研究成果的相关报道基础上，综述了氯化胆碱DESs的合成及性质，预处理木质纤维素的作用机理，对木质纤维素酶解效果及转化为生物乙醇的相关研究，指出不同氢键供体、不同的预处理条件对原料的木质素去除率及葡萄糖产量有很大影响，认为DESs预处理木质纤维素极大提高了后续纤维素酶解过程的糖化率，并对DESs预处理机理、循环使用、工艺参数优化方面提出了展望。

关键词: 低共熔溶剂, 木质纤维素, 酶解, 生物乙醇

Abstract:

In order to remove the inherent complex resistance structure of lignocellulose and achieve efficient utilization of lignocellulose, new lignocellulosic pretreatment technologies have been improved continuously. As green solvents, Deep Eutectic Solvents (DESs) have the advantages of low cost, simple preparation, thermal stability, and designability. They have great application potential in promoting the pretreatment of lignocellulose and enzymatic hydrolysis, and have received widespread attention. Based on the analysis and summary of the research status and achievements at home and abroad, the research progress of synthesis and properties of DESs, pretreatment mechanism, enzymatic hydrolysis, and bioethanol conversion were discussed. It was pointed out that different hydrogen bond donors and different pre-treatment conditions had a significant impact on the lignin removal rate and glucose yield. It was believed that pretreatment of lignocellulose with DESs could greatly improve the saccharification rate. Prospects for DESs pretreatment mechanism, recycling, and process parameter optimization were proposed.

Key words: deep eutectic solvents, lignocellulose, enzymolysis, bioethanol

柳静, 王昌梅, 赵兴玲, 吴凯, 尹芳, 杨红, 杨斌, 梁承月, 张无敌. 氯化胆碱类低共熔溶剂对木质纤维素分离及其利用的研究进展[J]. 中国农学通报, 2023, 39(33): 156-164.

LIU Jing, WANG Changmei, ZHAO Xingling, WU Kai, YIN Fang, YANG Hong, YANG Bin, LIANG Chengyue, ZHANG Wudi. Lignocellulose Separation and Utilization Based on Choline Chloride Eutectic Solvents: A Review[J]. Chinese Agricultural Science Bulletin, 2023, 39(33): 156-164.

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[78]	汝娟坚, 张远, 卜骄骄, 等. 低共熔溶剂在电沉积金属及其合金方面的研究进展[J]. 科学技术创新, 2019, 20:191.

DESs	熔点/℃	黏度/Pa.S	密度/(g/cm³)	表面张力/(mN/N)	电导率/(S/m)	参考文献
ChCl/尿素(1:2)	12	0.75（25℃）	1.25	52.00	0.075（25℃）	[37]
ChCl/丙三醇(1:2)	-36.15	0.26（25℃）	1.18	--	0.105（25℃）	[37]
ChCl/乙二醇(1:2)	-66.01	0.037（25℃）	1.12	48.91	0.761（25℃）	[38]
ChCl/1,4-丁二醇(1:3)	-32	0.14（25℃）	1.06	47.17	0.164（25℃）	[38]
ChCl/草酸(1:1)	34	--	--	--	--	[16]
ChCl/苹果酸(1:1)	--	3.34（25℃）	--	65.68	0.0036	[39,40]
ChCl/乙酰苯 (1:2)	--	--	--	41.86	--	[40]

DESs	熔点/℃	黏度/Pa.S	密度/(g/cm³)	表面张力/(mN/N)	电导率/(S/m)	参考文献
ChCl/尿素(1:2)	12	0.75（25℃）	1.25	52.00	0.075（25℃）	[37]
ChCl/丙三醇(1:2)	-36.15	0.26（25℃）	1.18	--	0.105（25℃）	[37]
ChCl/乙二醇(1:2)	-66.01	0.037（25℃）	1.12	48.91	0.761（25℃）	[38]
ChCl/1,4-丁二醇(1:3)	-32	0.14（25℃）	1.06	47.17	0.164（25℃）	[38]
ChCl/草酸(1:1)	34	--	--	--	--	[16]
ChCl/苹果酸(1:1)	--	3.34（25℃）	--	65.68	0.0036	[39,40]
ChCl/乙酰苯 (1:2)	--	--	--	41.86	--	[40]

DESs	摩尔比	木质素溶解度/%	木聚糖溶解度/%	纤维素溶解度/%	参考文献
ChCl/甲酸	1:2	14	<1	<1	[45]
ChCl/乳酸	1:10	13	<5	<3
ChCl/乙酸	1:2	12	<1	<1
甜菜碱/乳酸	1:2	9	<1	<1
脯氨酸/乳酸	1:3.3	9	<1	<1

DESs	摩尔比	木质素溶解度/%	木聚糖溶解度/%	纤维素溶解度/%	参考文献
ChCl/甲酸	1:2	14	<1	<1	[45]
ChCl/乳酸	1:10	13	<5	<3
ChCl/乙酸	1:2	12	<1	<1
甜菜碱/乳酸	1:2	9	<1	<1
脯氨酸/乳酸	1:3.3	9	<1	<1

原料	DESs	摩尔比	预处理条件	木质素去除率/%	参考文献
小麦秸秆	ChCl/单乙醇胺	1:2	90 ℃，12 h	81.0	[59]
小麦秸秆	ChCl/二乙醇胺	1:8	90 ℃，12 h	73.5
小麦秸秆	ChCl/甲基二乙醇胺	1:10	90 ℃，12 h	44.6
小麦秸秆	ChCl/乙酰胺	1:2	90 ℃，12 h	3.4
小麦秸秆	ChCl/尿素	1:2	70 ℃，12 h	76.4
小麦秸秆	ChCl/单乙醇胺	1:6	110 ℃，12 h	87.7
玉米芯	ChCl/尿素	1:2	80 ℃，15 h	40.0	[50]
玉米芯	ChCl/咪唑	3:7	115 ℃，15 h	70.0
玉米芯	ChCl/咪唑	3:7	150 ℃，15 h	88.0
玉米芯	ChCl/咪唑	3:7	120 ℃，4 h	11.1
核桃壳	ChCl/乳酸	1:2	145 ℃，6 h	64.3	[60]
桃核	ChCl/乳酸	1:2	145 ℃，6 h	70.2	[60]
油棕空果壳	ChCl/苹果酸	1:1	120 ℃，8 h	22.9	[58]
油棕空果壳	ChCl/柠檬酸	1:1	120 ℃，8 h	20.6
油棕空果壳	ChCl/甲酸	1:2	120 ℃，8 h	61.9
油棕空果壳	ChCl/甲酸	1:5	120 ℃，8 h	25.0
油棕空果壳	ChCl/乙酸	1:2	120 ℃，8 h	28.0
油棕空果壳	ChCl/乙酸	1:5	120 ℃，8 h	40.0
油棕空果壳	ChCl/丙酸	1:2	120 ℃，8 h	20.4
油棕空果壳	ChCl/丁酸	1:2	120 ℃，8 h	14.3
油棕空果壳	ChCl/琥珀酸	2:1	120 ℃，8 h	10.7
玉米芯	ChCl/乙二醇	1:2	90 ℃，24 h	87.6	[11]
玉米芯	ChCl/丙三醇	1:2	90 ℃，24 h	71.3	[11]
玉米芯	ChCl/丙三醇/聚乙二醇	1:2:1	60 ℃，2 h	62.9	[61]
稻草	ChCl/乙二醇	1:1	120 ℃，3 h	28.7	[55]
稻草	ChCl/1,2-丙二醇	1:1	120 ℃，3 h	32.9
稻草	ChCl/1,3-丙二醇	1:1	120 ℃，3 h	34.2
杨木	ChCl/乳酸	1:2	170 ℃，4 h	49.2	[62]

氯化胆碱类低共熔溶剂对木质纤维素分离及其利用的研究进展

Lignocellulose Separation and Utilization Based on Choline Chloride Eutectic Solvents: A Review

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