甲基硫酸聚合物抗剂用于热淡化工艺中的应用
Ali A Al-Hamzah1,2, Christopher M Fellows1,2, Osman A Hamed1
1Water Technologies Innovation Institute & Research Advancement, Saudi Water Authority, Al Jubail 31961, Saudi Arabia.
Polymers
|October 16, 2024
概括
酸和甲基硫酸盐的新型共聚合物显示出作为热淡化中的有效规模抑制剂的前景. 低分子质量聚合物在高温下防止硫酸沉方面表现出卓越的性能.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 水处理 处理水的方法
背景情况:
- 在热淡化工艺中,垢形成是一个重大挑战,降低了效率并增加了运营成本.
- 开发有效的缩放抑制剂对于优化海水淡化厂的性能和寿命至关重要.
研究的目的:
- 评估新型烯酸和甲基硫酸盐共聚物作为缩抑制剂的有效性.
- 调查摩尔质量和硫化度对在高温下抑制剂性能的影响.
主要方法:
- 合成和测试了9种具有不同摩尔质量 (2000-9500 g/mol) 和硫化水平 (10-30 摩尔百分比) 的共聚物.
- 用压力测量和控制 (P-MAC) 装置和125°C的高温压力容器来评估尺度抑制.
- 在海水,缩海水和模型溶液中评估了有效性.
主要成果:
- 新型共聚合物表现出效率与商业抗抗剂相比,长达15分钟,在更长的时间内表现更好.
- 摩尔质量是一个比硫化度更关键的因素来确定尺度抑制的有效性.
- 摩尔质量在2000-2500g/mol之间的抗抗剂显示出最大的缓解硫酸沉.
- 摩尔质量为4500-5000g/mol的聚合物与摩尔质量较高 (7000-9500g/mol) 的聚合物相比,显示出更高的值效应.
结论:
- 亚克力酸和甲基硫酸盐共聚物是热淡化过程中有效的度抑制剂.
- 低分子量共聚合物,特别是2000-2500g/mol范围内的共聚合物,在防止硫酸沉方面最有效.
- 优化共聚物质量是提高在高温海水淡化环境中的缩放抑制性能的关键.
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