相关实验视频

Updated: Sep 16, 2025

Enhanced Oil Recovery using a Combination of Biosurfactants

Enhanced Oil Recovery using a Combination of Biosurfactants

Published on: June 3, 2022

超细贝粉的协同物理化学微生物合,用于增强沉积物修复

Shuang Zhang¹, Yumeng Xie², Chao Zeng³

¹State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China; The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, China; Key Laboratory of Pollution Processes and Environmental Criteria of Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering of Nankai University, Tianjin 300350, China.

Marine pollution bulletin

|July 6, 2025

概括

将超细粉 (UOSP) 添加到海洋沉积物中可以改善pH值,并减少H2S,Pb和Mn等毒素. 这种天然的粉应用有利于盆地生态系统,并支持沉积物恢复.

科学领域:

海洋生物学海洋生物学
环境科学环境科学
地质化学地质化学

背景情况:

海洋沉积物中含有来自生物的碳酸,可能有助于盆地生态系统.
沉积物质量对于海洋生物的健康至关重要.

研究的目的:

为了研究将超细贝粉 (UOSP) 添加到海洋沉积物的生态影响.
评估UOSP对沉积物化学,细菌群落和盆地动物群的影响.

主要方法:

在海洋沉积物样本中添加UOSP.
测量沉积物的pH值,硫化 (H2S), (Pb) 和 (Mn) 度.
使用冗余分析 (RDA) 分析细菌社区结构.
盆地动物 (双体和多体) 湿重的量化.

主要成果:

UOSP将沉积物的pH值从7.11提高到7.78.
UOSP显著降低了H2S,Pb和Mn水平,分别降低了55.27%,83.92%和76.17%.
细菌社区结构发生了变化,pH值显著影响了对碳硫循环至关重要的基石物种.
双动物和多动物的湿重分别增加了18.43%和13.98%.

结论:

超细贝粉 (UOSP) 为海洋底层生态系统提供了显著的生态效益.
应用UOSP是一种可行的战略,用于恢复海洋沉积物,改善环境条件和支持谷底生物.

关键词:

细菌社区结构的细菌社区结构.地生态系统地生态系统在野生动物.沉积物的质量沉积物的质量沉积物恢复沉积物恢复

更多相关视频

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation

Prospecting Microbial Strains for Bioremediation and Probiotics Development for Metaorganism Research and Preservation

Published on: October 31, 2019

Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions

Combined Size and Density Fractionation of Soils for Investigations of Organo-Mineral Interactions

Published on: February 15, 2019

相关概念视频

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.

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...

Colloidal precipitates

Colloidal precipitates

The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...