相关实验视频

Updated: Jul 13, 2026

Sandy Soil Improvement through Microbially Induced Calcite Precipitation MICP by Immersion

Sandy Soil Improvement through Microbially Induced Calcite Precipitation MICP by Immersion

Published on: September 12, 2019

生物活性剂类型和引入顺序在MICP过程中影响生物CaCO₃的形态

Weida Wang¹, Mingtao Zhu², Changxiong Zou^2,3

¹School of Civil Engineering, Yancheng Institute of Technology, Yancheng, 224051, China. 2022023260@stu.imust.edu.cn.

World journal of microbiology & biotechnology

|June 24, 2025

概括

生物活性剂的类型和引入顺序在微生物诱导碳酸盐沉 (MICP) 中显著影响碳酸形态. 这项研究为控制生物-CaCO3结构提供了基础,以获得更好的MICP应用.

科学领域:

生物地质化学生物地质化学
材料科学材料科学材料科学
环境工程环境工程

背景情况:

微生物诱导碳酸盐沉 (MICP) 是一种有前途的技术,可用于各种应用.
生物碳酸 (Bio-CaCO3) 形态的变异性阻碍了MICP的实际使用.
了解控制生物-CaCO3形态的因素对于优化MICP至关重要.

研究的目的:

研究生物表面活性剂类型 (脂,脂) 和它们的引入顺序对生物CaCO3形态学的影响.
探索生物表面活性剂,溶解有机物 (DOM) 和生物CaCO3形成之间的关系.
为在MICP中调节生物-CaCO3形态提供理论基础.

主要方法:

使用微生物诱导的碳酸盐沉 (MICP) 含有或不含拉姆诺脂和脂.
生物表面活性剂的引入时间变化 (引入前与引入后).
分析了沉的Bio-CaCO3的形态和组成以及溶解有机物 (DOM) 的特征.

主要成果:

生物活性剂类型和引入顺序改变了生物-CaCO3形态和DOM组成.
没有生物表面活性剂,Bio-CaCO3主要由石和球形石组成.
在Rhamnolipids的引入前,它更喜欢结石;Sophorolipids更喜欢球形石聚合物.
介绍后,任何生物表面活性剂都稳定了空洞的球形体.

结论:

生物活性剂及其添加序列是控制MICP期间Bio-CaCO3形态的关键因素.
DOM组成受到生物表面活性剂的影响,这反过来又影响了MICP结果.
这项研究提供了一个框架,用于为增强的MICP应用量身定制Bio-CaCO3结构.

关键词:

生物表面活性剂是一种生物表面活性剂.这就是CaCO3CO3的含量.在MICP中,MICP是MICP.拉姆诺脂类是什么索福利皮德 (Sophorolipid) 是一种高脂的化合物.

更多相关视频

Studying Surfactant Effects on Hydrate Crystallization at Oil-Water Interfaces Using a Low-Cost Integrated Modular Peltier Device

Studying Surfactant Effects on Hydrate Crystallization at Oil-Water Interfaces Using a Low-Cost Integrated Modular Peltier Device

Published on: March 18, 2020

Enhanced Oil Recovery using a Combination of Biosurfactants

Enhanced Oil Recovery using a Combination of Biosurfactants

Published on: June 3, 2022

相关概念视频

Surface Active Agents

Surface Active Agents

Surfactants, named for their behavior at interfaces, positively adsorb at the interfaces of two phases, reducing interfacial tension. Their versatility as emulsifiers, detergents, and foaming agents stems from this ability. Surfactants, often termed amphiphiles, share the property of amphipathy, with molecules having both hydrophilic and hydrophobic portions. The hydrophilic part is called the head, and the hydrophobic part, including an elongated alkyl substituent, forms the tail.Surfactants...

Micelles

Micelles

Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...