Aspen Plus计算机模拟技术在纤维乙醇原料预处理中的应用研究进展

doi:10.3969/j.issn.0253-2417.2022.04.017

Abstract

Abstract:

Pretreatment was a key step in sugar platform -based biomass refinery using lignocellulosic biomass as raw material. In this paper, the advantages and disadvantages of the commonly used methods such as dilute acid/alkali, steam explosion, liquid hot water, microwave, subcritical CO₂, ionic liquids, deep-eutectic solvents, organosolv, milling/grinding, and biological, and the research progress of subsequent enzymatic hydrolysis and fermentation were reviewed. Furthermore, the application of the co-production of ethanol and platform chemicals in the pretreatment of biomass feedstock at home and abroad based on Aspen Plus and techno-economic analysis were introduced. Finally, the drawbacks of Aspen Plus in biomass pretreatment for ethanol production were summarized and the further research directions were proposed.

Key words: biomass, pretreatment, Aspen Plus, techno-economic analysis, ethanol

CLC Number:

TQ35
S216.2

Fang WANG, Hongdan ZHANG. Application of Aspen Plus in Lignocellulosic Biomass Pretreatment for Ethanol Production: A Review[J]. Chemistry and Industry of Forest Products, 2022, 42(4): 119-130.

Figures/Tables 7

Fig.1

Table 1

Fig.2

Table 2

Table 3

Fig.3

Table 4

References 66

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预处理方法 pretreatment method	活化物质 active agent	作用机制 mode of action
稀酸 dilute acid	H₂SO₄、H₃PO₄和其他强酸 H₂SO₄, H₃PO₄ and other strong acids	水解半纤维素 hydrolysis of hemicelluloses
碱 alkali	NaOH、Ca(OH)₂、Na₂CO₃等碱性物质 NaOH, Ca(OH)₂, Na₂CO₃ and similar alkaline compounds	提取木质素 extraction of lignin
蒸汽爆破 steam explosion	高温蒸汽(加入少量催化剂) high-temperature steam, catalyst may be added	水解半纤维素并分离纤维 hydrolysis of hemicelluloses, fibre separation
高温热水 liquid hot water	水解离出的H⁺ H⁺ from H₂O	水解半纤维素 hydrolysis of hemicelluloses
微波 microwave	催化剂 catalysts	水解半纤维素 hydrolysis of hemicelluloses
亚临界CO₂ subcritical CO₂	碳酸 carbonic acid	水解半纤维素并分离纤维 hydrolysis of hemicelluloses, fibre separation
离子液体 ionic liquids	有机阳离子和无机阴离子 organic cation and inorganic anion	组分分离 fractionation of polymers
低共熔溶剂 deep-eutectic solvents	路易斯和布朗斯特酸和碱的混合物 mixtures of Lewis and Bronsted acids and bases	组分分离 fractionation of polymers
有机溶剂 organosolv	乙醇、丁醇等有机溶剂 organic solvents, e.g. ethanol, butanol	提取木质素 extraction of lignin
研磨/粉碎 milling/grinding	缩小尺寸 particle size reduction	增加比表面积、提高可及度 surface increase and improved access
生物 biological	降解原料 degradation of the material	褐腐菌降解半纤维素和纤维素、白腐菌降解木质素、软腐菌降解纤维素 brown-rot degrades hemicelluloses and cellulose, white-rot degrades lignin, soft-rot degrades cellulose

方案 scenario	设备总投资/百万美元 total cost of investment /million US＄	总生产成本/(百万美元/年) total cost of production /(million US＄/a)	糠醛得率/% furfural yield	乙醇得率/% ethanol yield	内部收益率/% internal rate of return(IRR)
1	272	13.70	59.50	—	12.92
2	294	18.12	—	95.69	10.18
3	327	18.37	13.68	63.79	3.64
4	306	18.17	31.14	74.71	7.19
5	305	18.57	68.73	53.51	12.78
6	305	18.17	29.00	77.30	8.64
7	322	18.89	50.47	17.02	10.54

预处理方式 pretreatment	设备投资/亿元 equipment investment/ ×10⁸ yuan	总投资费用/亿元 total capital investment/ ×10⁸ yuan	总运营成本/(亿元/年) total variable operating costs/(×10⁸ yuan/a)	乙醇生产成本/ (元/升) the costs of ethanol/(yuan/L)	最低乙醇出厂价格/(元/升) minimum ethanol selling price(MESP)/(yuan/L)
稀酸dilute acid	15.74	28.47	5.43	2.59	4.32
氨纤维爆破 ammonia fiber expansion	15.82	28.56	5.26	2.74	4.62
液态热水 liquid hot water	16.07	29.02	5.00	2.64	4.59

参数 parameter	方案1 case 1	方案2 case 2	方案3 case 3	方案4 case 4	方案5 case 5	方案6 case 6
操作单元顺序 unit operation sequence	D-N-E	D-N-E	D-N-E	N-E-D	N-E-D	N-E-D
溶剂补充源 solvent make-up source	回收柱侧流 side stream from recycling column	发酵醪蒸馏塔产物 beer column product	精馏塔产物 rectifying column product	回收柱侧流 side stream from recycling column	发酵醪蒸馏塔产物 beer column product	精馏塔产物 rectifying column product
乙醇产量/(kg·h^-1) ethanol production	23 822	24 047	24 063	24 412	24 559	24 685
溶剂回收率/% solvent recovery	98.26	98.30	98.31	98.71	98.74	98.62
发酵后乙醇质量分数/% ethanol mass fraction after ferm.	11.47	11.29	11.25	11.13	11.25	10.65
水消耗量/(kg·h^-1) water consumption	182 021	180 253	184 663	191 652	195 053	206 465
总能量消耗/kW total power consumption	521.4	521.5	521.4	524.4	528.3	525.6

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Application of Aspen Plus in Lignocellulosic Biomass Pretreatment for Ethanol Production: A Review

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