在微生物和化学相互作用引起的生物脱硫和脱过程中有效的硫积累
Jinlan Xu1,2,3, Fen Cao1,2,3, Chen He1,2,3
1School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an, People's Republic of China.
Environmental technology
|October 21, 2024
概括
添加硫酸盐和硫酸盐可以在脱硫-脱过程中增强生物元素硫的产生. 这一过程促进了硫的积累,特别是在高硫化物负载下,为经济和环境带来了好处.
科学领域:
- 环境科学 环境科学
- 生物技术是生物技术.
- 化学工程是化学工程的重要组成部分.
背景情况:
- 同时的脱硫和脱过程通过高效的硫积累提供了显著的经济和环境优势.
- 了解元素硫生产的机制对于优化这些过程至关重要.
研究的目的:
- 调查中间产品 (硫酸盐) 和最终产品 (硫酸盐) 积累对元素硫生产的影响.
- 阐明驱动增强元素硫积累的潜在机制.
主要方法:
- 进行脱硫-脱实验,使用不同度的硫酸盐和硫酸盐.
- 测量元素硫的生产率和细菌种群,特别是*Thiobacillus denitrificans*.
- 分析蛋白质含量的变化和反应平衡的变化.
主要成果:
- 添加硫酸盐和硫酸盐显著增加了元素硫的产量,达到65.94毫克/升,硫化物负载为300毫克/升,硫酸盐30毫克/升和硫酸盐20毫克/升.
- 添加硫酸盐加速了*Thiobacillus denitrificans*的传播 (1.122.98倍高的可活性计数),并增加了芳香蛋白质含量.
- 硫酸盐促进了细菌早期参与生产硫的反应,并改变了平衡,抑制了硫酸盐的形成并增强了硫的积累.
结论:
- 产品积累,特别是硫酸盐,可以在脱硫-脱处理中人工促进高效的元素硫积累.
- 优化硫酸盐添加可以增强微生物活动和转移反应通路,以改善硫的回收.
- 这项研究为旨在加强硫回收和废物处理的工业应用提供了宝贵的见解.
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