相关实验视频

Updated: Jun 20, 2025

Waste Water Derived Electroactive Microbial Biofilms: Growth, Maintenance, and Basic Characterization

Waste Water Derived Electroactive Microbial Biofilms: Growth, Maintenance, and Basic Characterization

Published on: December 29, 2013

[水质的演变和微生物种群在屋顶雨水的不同储存形式的特征]

Yu-Fei Wang¹, Zan Gao¹, Qiong-Hua Zhang¹

¹School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.

Huan jing ke xue= Huanjing kexue

|July 18, 2024

概括

储存的雨水质量对于有效利用资源至关重要. PE材料可以促进病原体,而通风可以减少微生物,密封可以抑制特定的有害细菌,如军团菌.

科学领域:

环境科学环境科学
微生物学微生物学
水资源管理水资源管理

背景情况:

储存的雨水质量对于有效利用资源至关重要.
屋顶雨水收集为储存和应用提供了一个主要的场景.
了解微生物动态是确保水安全的关键.

研究的目的:

为了监测长期的屋顶雨水在储存期间的质量演变.
评估储存材料 (PE,玻璃) 和溶氧 (DO) 调节 (密封,通风) 对水质的影响.
描述微生物代谢在水质变化中的作用,并确定潜在的健康风险.

主要方法:

长期监测屋顶雨水质量.
使用不同的存储材料和DO调节模式构建实验装置.
16S rRNA微生物多样性的测序.
环境因素和微生物群落之间的相关性分析.

主要成果:

化学氧气需求 (COD) 的降解主要发生在前10天内.
营养素的转化主要是由微生物代谢驱动的.
聚乙烯 (PE) 材料促进了致病性细菌 (Xanthobacter,Alternaria,Stachybotrys,Cladosporium),与DO和pH负相关.
透气减少了总体细菌和真菌的数量.
密封的水储存抑制了病原性细菌,包括军团菌.

结论:

微生物的新陈代谢显著影响储存的雨水质量和营养循环.
储存材料的选择和DO管理极大地影响了微生物群体的组成和水安全.
透气和密封提供了不同的策略,以减轻储存雨水中的微生物风险,密封对特定的病原体如军菌有效.

关键词:

环境因素环境因素菌是一种真菌.微生物社区的微生物社区.屋顶上的雨水雨水储水系统的储水系统.

更多相关视频

A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.

A Modified EPA Method 1623 that Uses Tangential Flow Hollow-fiber Ultrafiltration and Heat Dissociation Steps to Detect Waterborne Cryptosporidium and Giardia spp.

Published on: July 9, 2012

Construction of a Low-cost Mobile Incubator for Field and Laboratory Use

Construction of a Low-cost Mobile Incubator for Field and Laboratory Use

Published on: March 19, 2019

相关概念视频

The Water Cycle

The Water Cycle

The Earth’s hydrosphere includes all of the areas where the storage and movement of water occurs. Since water is the basis of all living processes, the cycling of water is extremely important to ecosystem dynamics.

Precipitation and Co-precipitation

Precipitation and Co-precipitation

Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...