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直接电流 (DC) 启动了Scenedesmus dimorphus的花形成

Noor Haleem^1,2, Jiahui Yuan¹, Seyit Uguz^1,3

¹Department of Agricultural and Biosystems Engineering, South Dakota State University, Brookings, SD, 57007, USA.

Environmental science and pollution research international

|April 1, 2025

概括

直流 (DC) 化提供了一种有效的方法,可以在没有化学污染物的情况下收获微藻. 这种技术达到高达94%的效率,为更清洁的藻类加工铺平了道路.

科学领域:

生物技术是生物技术.
环境工程环境工程
电化学电化学电化学

背景情况:

化学花剂将金属等污染物引入微藻中,阻碍下游应用.
开发环保和高效的微藻采集方法对于可持续生物技术至关重要.

研究的目的:

引入和评估用于微藻采集的直流 (DC) 启动花技术.
为了评估在不同电压梯度和持续时间下的直流花效率.

主要方法:

在板电极上施加直流 (DC) 电场,以诱导微藻细胞聚合.
在Scenedesmus dimorphus上测试了该方法,使用电压梯度从58到233V/m,充电时间为20,40和60分钟.

主要成果:

在干藻生物质的基础上达到高达94%的花效率.
证明电解产生的微泡形成对细胞分离的影响最小.
展示了与电凝相比,惰性电极可以最大限度地减少像Fe或Al这样的金属离子的引入.

结论:

电流启动的花是一种有希望的,无污染物替代的微藻收获方法.
这种电化学方法促进了更清洁的藻类加工和下游应用.
这项研究支持进一步研究电化学辅助藻类收获技术.

关键词:

电气双层电气双层电气在花过程中,花.收获收获的时间微藻类是一种微藻类.两极化的偏化

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Coagulation

Coagulation

Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...