Simulation study on steam gasification of Salix psammophila based on Aspen Plus

ZHEN Zheng; JIANG Yanchi; DU Kaixin; SU Zi; LI Yao; ZHU Zhixiang; WU Xiaojiang; ZHANG Zhongxiao

doi:10.12434/j.issn.2097-2547.20260042

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Simulation study on steam gasification of Salix psammophila based on Aspen Plus

更新时间：2026-05-29

- Simulation study on steam gasification of Salix psammophila based on Aspen Plus
- Pages: 1-9(2026)
- 作者机构：
  
  1.上海交通大学智慧能源创新学院，上海 200240
  2.上海交通大学机械与动力工程学院，上海 200240
  3.上海非碳基能源转换与利用研究院，上海 200240
  4.岐阜大学机械工程系，岐阜 501-1193
- 作者简介：
- 基金信息：
- DOI：10.12434/j.issn.2097-2547.20260042
  CLC： TK6
- Received：26 January 2026，
  
  Revised：2026-03-01，
  
  Online First：28 May 2026，
- 稿件说明：
移动端阅览
甄正,江砚池,杜锴欣等.基于Aspen Plus的沙柳水蒸气气化模拟研究[J].低碳化学与化工,

ZHEN Zheng,JIANG Yanchi,DU Kaixin,et al.Simulation study on steam gasification of Salix psammophila based on Aspen Plus[J].Low-Carbon Chemistry and Chemical Engineering,
甄正,江砚池,杜锴欣等.基于Aspen Plus的沙柳水蒸气气化模拟研究[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20260042.

ZHEN Zheng,JIANG Yanchi,DU Kaixin,et al.Simulation study on steam gasification of Salix psammophila based on Aspen Plus[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20260042.

摘要

沙柳的大规模气化是实现其生态和能源效益综合利用的重要技术。基于Aspen Plus构建了固定床、流化床和气流床气化模型，深入对比了沙柳与典型生物质的原料和气化特性，系统探究了温度、气化剂通入量和压力等工艺参数对沙柳气化过程的影响。结果表明，沙柳具有热值高、灰分含量低的优点，相同条件下气流床气化中合成气有效组分（CO + H

）含量（体积分数）为83.82%，碳转化率为97.87%，高于固定床和流化床气化过程。气化温度和

(水蒸气)/

(生物质)是影响沙柳高温气流床气化结果的主要因素，高温气化过程对压力响应不显著。气化温度低于1400 ℃时，气化温度升高有助于增大合成气有效组分产量，但对合成气中

(CO)影响更大，通入水蒸气可有效调节合成气中

(CO)，但有效合成气组分产量明显减小。在相同气化条件下，沙柳高温气化合成气生产绿甲醇的成本低于玉米秸秆，且通过沙柳气化合成的甲醇产量较玉米秸秆高45.97%。

Abstract

The large-scale gasification of Salix psammophila is a crucial technology for realizing the comprehensive utilization of its ecological and energy benefits. Gasification models of fixed bed

fluidized-bed

and entrained-flow bed were constructed based on Aspen Plus. The raw materials and gasification characteristics of Salix psammophila and typical biomass were deeply compared

and the effects of process parameters such as temperature

gasification agent feed rate and pressure on the gasification process of Salix psammophila were systematically studied. The results show that Salix psammophila exhibits advantages of high calorific value and low ash content. Under the same conditions

the proportion (volume fraction) of effective components (CO + H

) in syngas in the gas flow bed gasification is 83.82%

and the carbon conversion rate is 97.87%

which is higher than that in fixed bed and fluidized bed gasification processes. Gasification temperatures and

(steam)/

(biomass) are the main factors influencing the outcomes of the gasification results of Salix psammophila in the high-temperature gas flow bed

and the high-temperature gasification process is not significantly responsive to pressure. When the gasification temperature is lower than 1400 ℃

increasing temperature enhances the yield of effective syngas components but has a greater impact on

(CO). Introducing steam effectively adjusts

(CO) in syngas

though it leads to a more significant decline in the yield of effective syngas components. Under the same gasification conditions

the cost of producing green methanol from high-temperature gasification of Salix psammophila is lower than that from corn stover

and the methanol yield from Salix gasification is 45.97% higher than that from corn stover.

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