Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Microbial Bioremediation of Uranium01:25

Microbial Bioremediation of Uranium

73
Microorganisms play a critical role in the transformation and immobilization of uranium in contaminated environments through four main pathways: bioreduction, biosorption, bioaccumulation, and biomineralization. These mechanisms reduce uranium’s toxicity and prevent its migration through groundwater systems, offering sustainable approaches for in situ bioremediation.Bioreduction of UraniumBioreduction is driven by anaerobic bacteria such as certain strains of Geobacter and Shewanella,...
73
Microbial Leaching01:27

Microbial Leaching

146
Microbial leaching, also known as bioleaching, is an environmentally favorable method for extracting metals from low-grade ores using specific microorganisms. This biotechnological approach is particularly valuable for mining operations targeting copper, gold, and uranium, where traditional extraction methods may be economically or environmentally impractical.Copper Leaching and Microbial CatalysisIn copper bioleaching, crushed ore is arranged into heaps and irrigated with a dilute sulfuric...
146
Precipitation and Co-precipitation01:17

Precipitation and Co-precipitation

5.8K
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...
5.8K
Extraction: Advanced Methods00:56

Extraction: Advanced Methods

1.3K
Metal ions can be separated from one another by complexation with organic ligands–the chelating agent– to form uncharged chelates. Here, the chelating agent must contain hydrophobic groups and behave as a weak acid, losing a proton to bind with the metal. Since most organic ligands used in this process are insoluble or undergo oxidation in the aqueous phase, the chelating agent is initially added to the organic phase and extracted into the aqueous phase. The metal-ligand complex is...
1.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Effective Vacancy Regulation Simultaneously Realizes High-Performance Thermoelectric Cooling and Power Generation in n-Type PbSe Crystals.

Journal of the American Chemical Society·2026
Same author

Organic Photovoltaic Cells for Reliable Energy Generation in Deep Space Environments.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Ultralow chromium doping enables all-PbSe thermoelectric cooling.

Science (New York, N.Y.)·2026
Same author

Tailoring Local-Global Structures via Hot Deformation for High-Performance BiSbSe<sub>3</sub> Thermoelectrics.

Journal of the American Chemical Society·2026
Same author

Multifunctional Cu Doping Enhances Electron Transport and Thermoelectric Performance in n-Type BiSbSe<sub>3</sub>.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Advances in electrochemical technologies for PFAS destruction.

Chemical science·2026
Same journal

A Ni-Mediated Cross-Coupling Approach to Deuterated <sup>18</sup>F- Fluoromethylated (Hetero)arenes.

Journal of the American Chemical Society·2026
Same journal

Efficient Light-Driven CO<sub>2</sub> Capture and Reversible Release Enabled by Metastable Photoacid-Decorated Metal-Organic Frameworks.

Journal of the American Chemical Society·2026
Same journal

In Situ Raman Spectroscopy Reveals the Dynamic Evolution and Ethanol Dependence of SEI Structure in Li-Mediated N<sub>2</sub> Reduction Reaction.

Journal of the American Chemical Society·2026
Same journal

Solvent Esterification and Stoichiometric Control in Ambient-Grown FAPbI<sub>3</sub> Single-Crystal Solar Cells.

Journal of the American Chemical Society·2026
Same journal

Unlocking Azulene Functionalization via Strain-Induced Azulyne Intermediates.

Journal of the American Chemical Society·2026
Same journal

An Oxazine-Locked Covalent Organic Framework by a Tandem Pinner/Schiff Base Reaction for Hydrogen Peroxide Photosynthesis.

Journal of the American Chemical Society·2026
查看所有相关文章

相关实验视频

Updated: Apr 17, 2026

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability
09:23

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability

Published on: June 21, 2015

10.4K

通过聚硫化物/多层双氧化物复合材料有效捕获.

Shulan Ma1,2, Lu Huang1, Lijiao Ma1

  • 1†Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China.

Journal of the American Chemical Society
|February 26, 2015
PubMed
概括
此摘要是机器生成的。

新的S(x) -LDH复合材料有效地从核废物和海水中捕获 (UO2(2+)). 这些材料表现出高的去除能力和选择性,即使在微量度,为整治提供了一个有希望的解决方案.

更多相关视频

U2O5 Film Preparation via UO2 Deposition by Direct Current Sputtering and Successive Oxidation and Reduction with Atomic Oxygen and Atomic Hydrogen
12:05

U2O5 Film Preparation via UO2 Deposition by Direct Current Sputtering and Successive Oxidation and Reduction with Atomic Oxygen and Atomic Hydrogen

Published on: February 21, 2019

8.6K
Resource Recycling of Red Soil to Synthesize Fe2O3/FAU-type Zeolite Composite Material for Heavy Metal Removal
05:52

Resource Recycling of Red Soil to Synthesize Fe2O3/FAU-type Zeolite Composite Material for Heavy Metal Removal

Published on: June 2, 2022

3.5K

相关实验视频

Last Updated: Apr 17, 2026

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability
09:23

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability

Published on: June 21, 2015

10.4K
U2O5 Film Preparation via UO2 Deposition by Direct Current Sputtering and Successive Oxidation and Reduction with Atomic Oxygen and Atomic Hydrogen
12:05

U2O5 Film Preparation via UO2 Deposition by Direct Current Sputtering and Successive Oxidation and Reduction with Atomic Oxygen and Atomic Hydrogen

Published on: February 21, 2019

8.6K
Resource Recycling of Red Soil to Synthesize Fe2O3/FAU-type Zeolite Composite Material for Heavy Metal Removal
05:52

Resource Recycling of Red Soil to Synthesize Fe2O3/FAU-type Zeolite Composite Material for Heavy Metal Removal

Published on: June 2, 2022

3.5K

科学领域:

  • 材料科学 材料科学 材料科学
  • 环境化学环境化学
  • 核工程 核工程是指核工程.

背景情况:

  • 核废物中的污染及其在海水中的存在带来了重大的环境挑战.
  • 现有的捕获的方法往往缺乏所需的选择性和效率.
  • 新型吸附剂的开发对于有效的整治至关重要.

研究的目的:

  • 为了研究S(x) -LDH复合物的离性能,对乌拉尼尔离子 (UO2(2+)).
  • 评估S(x) -LDH在从包括海水在内的各种水溶液中捕获的选择性和效率.
  • 为了比较S(x) -LDH与现有的吸附剂的性能.

主要方法:

  • 合成S(x) -LDH复合物 (LDH:Mg/Al分层双氧化物,S(x):聚硫化物).
  • 使用不同度 (ppm到ppb) 和在有竞争性离子的情况下的乌兰离子溶液的吸附实验.
  • 在不同条件下的吸附机制的表征 (低度与高度,Cl-的存在).

主要成果:

  • 聚-LDH复合材料表现出高的去除能力 (q) =330毫克/克) 和分布系数 (K) =10^4-10^6毫升/克).
  • 实现了高百分比的去除 (>95%在ppm水平, ~80%在海水中的ppb水平).
  • 对UO2 ((2+) 与Ca ((2+) 和Na ((+) 等常见离子具有较高的选择性,并具有快速吸附动力学.

结论:

  • S(x) -LDH材料在捕获来自各种水性环境的乌兰离子方面表现出卓越的效率和选择性.
  • 吸附机制因度而异,涉及LDH画廊内外的复杂形成.
  • S(x) -LDH成分的低成本和环保性质突显了它们在大规模捕获应用中的潜力.