先进的生物3D接口太阳能蒸汽发电机与单向供水,用于高效的海水淡化和防止油污污染
Yiming Bu1, Xin Li1, Weiwei Lei1
1Institute for Frontier Materials, Deakin University, Geelong, VIC, 3216, Australia.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|December 25, 2024
概括
这项研究介绍了一种创新的半球蒸发器,使用植物提取物来有效地产生太阳能蒸汽. 它实现了高蒸发率,抵抗盐的积累,并排斥油,为净化水提供了可持续的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 接口太阳能蒸汽发电 (ISSG) 对于淡化和废水净化至关重要.
- 优化ISSG的水转移方向,热管理,盐积累和油污阻力仍然是一个挑战.
- 当前的ISSG技术往往缺乏成本效益和可靠性.
研究的目的:
- 开发一个具有成本效益和可靠的ISSG设备,并优化单向水传输.
- 为了增强热定位,防止盐的积累,并实现油脂排斥.
- 创建一个可持续的太阳能发电机,以自然系统为灵感.
主要方法:
- 使用环保植物提取物制造酸-酸半球蒸发器 (STHE).
- 集成的中心垂直的道,以单向的水流,模仿海鸟的和植物的透气.
- 描述STHE在太阳辐射下的性能,包括蒸发速度,盐耐受性和油排斥性测试.
主要成果:
- 在一个太阳下,STHE实现了太阳能驱动的水蒸发率约为2.26kg m-2h-1的速度.
- 该设备表现出极好的盐分耐受性,即使在15.0重量%的盐水中也没有形成盐晶.
- 半球结构和超性提供了有效的油排斥力.
- 渐变的通道确保了单向的水流,并抑制了向下传递的热量,提高了能源效率.
结论:
- 开发的STHE为太阳能蒸汽发电提供了高效,耐盐,耐油的解决方案.
- 仿生设计为下一代太阳能净水技术提供了一种新的方法.
- 这项工作提出了一种具有成本效益和可持续的方法来解决全球淡水短缺问题.
相关概念视频
01:29Bioreactor Design and Operational System
139
Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
139
01:28Bioreactor Controls-I
72
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly...
72
01:18Bioreactor Controls-II
61
In aerobic fermentations, oxygen is vital for microbial growth and metabolite production. Since air comprises only about 20% oxygen and the gas is poorly soluble in water—just 9 ppm at 20°C—supplying sufficient oxygen becomes a critical challenge, especially in high-demand processes like yeast growth or citric acid production. Even a fully saturated broth may offer only a few seconds of oxygen availability.To address this, sterile or scrubbed air is introduced into the...
61
01:22Bioreactor Controls-III
54
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
54