从棕脂肪酸蒸物中生产可持续的阳离子生物活性剂的技术经济环境分析
Chanapol Charoentanaworakun1,2, Suttichai Assabumrungrat1,2, Apinan Soottitantawat2,3
1Center of Excellence in Catalysis and Catalytic Reaction Engineering, Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand.
ACS omega
|December 4, 2023
概括
棕油中的生物表面活性剂是石油表面活性剂的可行替代品. 甲基硫酸盐 (MES) 和基碳酸盐显示出强大的经济潜力,尽管基硫酸盐的二氧化碳排放量更高.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 生物技术是生物技术.
- 可持续化学 可持续化学
背景情况:
- 对环保表面活性剂的日益增长的需求推动了对生物表面活性剂的兴趣.
- 棕油衍生物为生物表面活性剂合成提供可再生原料.
- 基于石油的表面活性剂,如二甲基硫酸盐 (SDBS),面临着环境审查.
研究的目的:
- 模拟和评估从棕油生产生物表面活性剂的技术经济可行性.
- 将不同生物表面活性剂的经济性能和环境影响与SDBS进行比较.
- 确定最有前途的生物表面活性剂生产途径.
主要方法:
- 使用Aspen Plus软件进行过程模拟,用于热力学属性估计.
- 用于技术经济分析的化学工艺设备的设计和评估.
- 生命周期评估 (LCA) 用于量化环境影响,重点关注二氧化碳排放.
主要成果:
- 甲基硫酸盐 (MES) 产量产生了最高的净当前价值 (NPV),为1310万美元.
- 化碳酸盐生产显示出最好的利能力,最大的内部收益率 (IRR) 为79.81%,回报期为1.49年.
- 与MES,碳酸盐,甚至SDBS (2.46CO2/表面活性剂) 相比,硫酸生产的二氧化碳排放量更高 (2.88CO2/表面活性剂).
结论:
- 从棕油生产生物表面活性剂,特别是MES和基碳酸盐,提供了有吸引力的经济机会.
- 发现基酸盐的生产在经济上不太可行.
- 虽然通常更绿色,但硫酸路径需要进一步的环境优化,以减少二氧化碳足迹.
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