Supercritical Fluid Extraction of Direct Coal Liquefaction Residue Basing on Hansen Solubility Parameters†

doi:10.7503/cjcu20140705

Abstract

Abstract:

The supercritical fluid extraction(SFE) of direct coal liquefaction residue using acetone, isopropanol and benzene as solvents was investigated. The Hansen solubility parameters were used to clarify the variations of both solvent and the solute in SFE process. An empirical equation in terms of the extended Hansen approach was proposed to correlate the extraction capacity with the Hansen solubility parameters of solvents. The results show that the extraction yield using supercritical benzene, of which the dispersive component is the major in total solubility parameters, obtained the highest extraction yield. The ideal solubility on organic components in direct coal liquefaction residue improved with the extraction temperature increasing. The empirical equation shows high consistency with experimental results. As a consequence, the theory of Hansen solubility parameter and extended Hansen approach are applicable to the study on supercritical fluid extraction of direct coal liquefaction residue.

Key words: Direct coal liquefaction residue, Supercritical fluid extraction(SFE), Hansen solubility parameter, Regression model

CLC Number:

TrendMD:

JIANG Guangce, LIN Xiongchao, ZHANG Shengjuan, WANG Zhongqi, WANG Yonggang, CHEN Qiang, ZHU Yufei. Supercritical Fluid Extraction of Direct Coal Liquefaction Residue Basing on Hansen Solubility Parameters^†[J]. Chem. J. Chinese Universities, 2015, 36(3): 544.

Figures/Tables 7

Fig.1 Schematic diagram of supercritical fluid extraction system 1. Extractor; 2. fraction column; 3. pressure gauge; 4. throttle; 5. collecting pot; 6. condensation system; 7. solvent tank; 8. pump; 9. nitrogen cylinder; 10. preheater.

Fig.2 Relationship between pressure and molar volume of the supercritical solvents estimated by T-L EOS

Fig.3 Relationship between pressure and Hansen solubility parameters of supercritical solvents (at critical temperature of each solvent) (A) Benzene; (B) acetone; (C) isopropanol.

Fig.4 Relationship between temperature and ideal solubility of dibenzo[a,i]pyrene

Table 1 Experimental conditions and results

Test number	Solvent	T/K	p/MPa	V_m/(cm³·mol^-1)	Hansen solubility parameter of solvent/MPa^1/2			y(%)
Test number	Solvent	T/K	p/MPa	V_m/(cm³·mol^-1)	δ_d		δ_p	δ_hb
1	Benzene	563	4.7	256	4.95	0	0.83	41.10
2			5.7	198	6.82	0	0.95	43.01
3			6.7	179	7.73	0	1.00	47.39
4			7.7	169	8.31	0	1.03	49.27
5			8.7	162	8.76	0	1.05	53.78
6	Isopropanol	508	4.7	220	4.24	3.61	7.35	21.86
7			5.7	176	5.61	4.03	8.21	20.21
8			6.7	161	6.27	4.21	8.59	21.42
9			7.7	153	6.68	4.32	8.81	27.42
10			8.7	146	7.08	4.43	9.02	30.12
11	Acetone	508	4.7	209	4.19	6.18	2.94	24.61
12			5.7	159	5.9	7.08	3.37	26.25
13			6.7	145	6.62	7.42	3.52	31.67
14			7.7	137	7.11	7.63	3.63	37.04
15			8.7	131	7.51	7.81	3.71	45.85

Table 2 Results of regression analysis[coefficients and constant term of Eq.(6)]

A	B	C	D	R₀″'	R^*(%)	AARD(%)
-1.2994	5.9894	-0.4689	5.3103	-29.1537	95.64	7.99

Fig.5 Absolute error between calculated values and experimental results

References 30

[1]	Gu X. H., Clean Coal Technology, 2012, 18(3), 63—66
	(谷小会. 洁净煤技术, 2012, 18(3), 63—66)
[2]	Chu X. J., Li W., Bai Z. Q., Li B. Q., Chen H. K., J. Fuel Chem. Technol., 2010, 38(1), 1—5
	(楚希杰, 李文, 白宗庆, 李保庆, 陈皓侃. 燃料化学学报. 2010, 38(1), 1—5)
[3]	Li J., Yang J. L., Liu Z. Y., Catal. Today,2008, 130(2/4), 389—394
[4]	Li J., Yang J. L., Liu Z. Y., Fuel Process Technol., 2009, 90(4), 490—495
[5]	Zhu W. P., Shenhua Science and Technology, 2009, 7(6), 68—71
	(朱伟平, 神华科技, 2009, 7(6), 68—71)
[6]	Wang Z. X., Yang J. L., Liu Z. Y., J. Fuel Chem. Technol., 2007, 35(1), 109—112
	(王寨霞, 杨建丽, 刘振宇, 燃料化学学报, 2007, 35(1), 109—112)
[7]	Zhang Y., Preparation of New Carbon Materials from Coal Hydroliquefaction Residue, Dalian University of Technology, Dalian, 2007
	(张艳. 煤炭直接液化残渣制备新型炭材料, 大连: 大连理工大学, 2007)
[8]	Zhou Y., Zhang Y., Li Z. T., Yu G. H., Qiu J. S., Coal Conversion,2007, 30(3), 41—44
	(周颖, 张艳, 李振涛, 余桂红, 邱介山. 煤炭转化, 2007, 30(3), 41—44)
[9]	Zhang Z. G., Guo S. H., Zhao S. Q., Mu T., J. Fuel Chem. Technol., 2006, 34(4), 427—433
	(张占纲, 郭绍辉, 赵锁奇, 牟彤. 燃料化学学报, 2006, 34(4), 427—433)
[10]	Liu Y. X., Xu Z. M., Li F. J., Zhao S. Q., Acta Petrolei Sinica(Petroleum Processing Section), 2007, 23(5), 90—94
	(刘玉新, 许志明, 李凤娟, 赵锁奇. 石油学报(石油加工), 2007, 23(5), 90—94)
[11]	Shishido M., Mashiko T., Arai K., Fuel,1991, 70(4), 545—549
[12]	Sangon S., Ratanavaraha S., Ngamprasertsith S., Prasassarakich P., Fuel Process Technol., 2006, 87(3), 201—207
[13]	Svetlana R., Pavel S., Applied Energy,2014, 113, 1397—1404
[14]	Ramazan O. C., Can E., Chem. Eng. Res. & Des., 2014, 92(10), 1845—1863
[15]	Liu P. F., Zhang Y. Q., Fang Y. T., Zhao J. T., J. Fuel Chem. Technol., 2012, 40(7), 776—781
	(刘朋飞, 张永奇, 房倚天, 赵建涛. 燃料化学学报, 2012, 40(7), 776—781)
[16]	Yizhak M., J. Supercritical Fluids, 2006, 38, 7—12
[17]	Yizhak M., J. Supercritical Fluids, 2012, 62, 60—64
[18]	Jonathan J. K., Robert C. B., Org. Geochem., 2014, 73, 56—69
[19]	Filly A., Fabiano-Tixier A. S., Lemasson Y., Roy C., Fernandez X., Chemat F., CR. Chim., 2014, 17(12), 1268—1275
[20]	Wang L., Li R. L., Sun L. T., Chen K. X., Chem. J. Chinese Universities,2009, 30(8), 1631—1635
	(王琳, 李入林, 孙林涛, 陈开勋. 高等学校化学学报, 2009, 30(8), 1631—1635)
[21]	Yu H. Q., Zhang Y., Wu B., Yang N. N., Yang X. N., Liu X. J., Chem. Res. Chinese Universities,2011, 27(5), 850—853
[22]	Hansen C. M., Progress in Organic Coatings, 2004, 51, 77—84
[23]	Wu P. L., Beerbower A., Martin A., J. Pharm. Sci., 1982, 71, 1285—1287
[24]	Ding Y. H., Chen H., Wang D. F., Ma W. G., Wang J. F., Xu D. P., Wang Y. G., J. Fuel Chem. Technol., 2010, 38(2), 140—143
	(丁一慧, 陈航, 王东飞, 马伟光, 王金凤, 许德平, 王永刚. 燃料化学学报, 2010, 38(2), 140—143)
[25]	Martin A., Newburger J., Adjei A., J. Pharm. Sci., 1980, 69, 487—491
[26]	Hansen C.M., Hansen Solubility Parameters—A User’s Handbook, 2nd Ed., CRC Press, Boca Raton, FL, 2007, 190—196
[27]	Tong J. S., Liu Y. P., J. Eng. Thermophys., 1982, 3(3), 209—215
	(童景山, 刘裕品. 工程热物理学报, 1982, 3(3), 209—215)
[28]	Tong J. S., Liu Y. P., Acta Petrolei Sinica(Petroleum Processing Section), 1986, 2(1), 51—56
	(童景山, 刘裕品. 石油学报(石油加工), 1986, 2(1), 51—56)
[29]	Roux M.V., Temprado M., Chickos J. S., Nagano Y ., J. Phys. Chem. Ref., 2008, 37, 1855—1996
[30]	Stefanis E., Panayiotou C., Int. J. Thermophys., 2008, 29(1), 568—585