Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Microbial Leaching01:27

Microbial Leaching

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...
The Winogradsky Column01:27

The Winogradsky Column

A Winogradsky column provides a powerful tool for studying microbial ecology and metabolic interactions in a stratified, self-contained environment. This artificial ecosystem, developed by Sergei Winogradsky in the late 19th century, replicates the complex biogeochemical gradients found in natural sediments, allowing researchers to observe microbial succession and interactions over time.The column is typically assembled in a transparent glass cylinder filled halfway with sediment mixed with...
Ion Exchange01:17

Ion Exchange

Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or basic...
Microbial Bioremediation of Uranium01:25

Microbial Bioremediation of Uranium

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, which use...
Silica Gel Column Chromatography: Overview01:10

Silica Gel Column Chromatography: Overview

Silica gel column chromatography is a technique for separating compounds using a column packed with silica gel as the stationary phase. This method relies on differences in the polarity of compounds. Based on their polarities, compounds move between the stationary phase (silica gel) and the mobile phase (the solvent), forming discrete bands in the column.
Polar components tend to bind strongly to the silica gel, causing them to move slowly through the column. In contrast, nonpolar compounds...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Direct and real-time quantification of tenofovir release from ph-sensitive microparticles into simulated biological fluids using (1)h nuclear magnetic resonance.

Journal of pharmaceutical sciences·2014
Same author

Dual responsive enzyme mimicking activity of AgX (X=Cl, Br, I) nanoparticles and its application for cancer cell detection.

ACS applied materials & interfaces·2014
Same author

Naphthoquinone-directed C-H annulation and C(sp³)-H bond cleavage: one-pot synthesis of tetracyclic naphthoxazoles.

The Journal of organic chemistry·2014
Same author

Pulmonary toxicity in mice following exposure to cerium chloride.

Biological trace element research·2014
Same author

Role of surgery in the treatment of patients with high-risk neuroblastoma who have a poor response to induction chemotherapy.

Journal of pediatric surgery·2014
Same author

Glutathione-S-transferase polymorphisms (GSTM1, GSTT1 and GSTP1) and acute leukemia risk in Asians: a meta-analysis.

Asian Pacific journal of cancer prevention : APJCP·2014

Related Experiment Video

Updated: Jun 4, 2026

Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron (Oxy)Hydroxides, Trace Elements, and Bacteria
06:52

Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron (Oxy)Hydroxides, Trace Elements, and Bacteria

Published on: December 19, 2017

Fixed-bed column study for Cu2+ removal from solution using expanding rice husk.

Xuegang Luo1, Zaifang Deng, Xiaoyan Lin

  • 1Engineering Research Center of Biomass Materials of Education Ministry, Southwest University of Science and Technology, Mianyang, Sichuan 621010, China. lxg-2007@163.com

Journal of Hazardous Materials
|February 1, 2011
PubMed
Summary
This summary is machine-generated.

This study shows that expanding rice husk (ERH) effectively removes copper ions from water, outperforming raw rice husk (RRH) and coconut-shell activated carbon (C-AC). ERH offers a sustainable solution for copper ion remediation.

More Related Videos

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis
10:44

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis

Published on: February 12, 2019

Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper
06:36

Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper

Published on: February 27, 2021

Related Experiment Videos

Last Updated: Jun 4, 2026

Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron (Oxy)Hydroxides, Trace Elements, and Bacteria
06:52

Experimental Column Setup for Studying Anaerobic Biogeochemical Interactions Between Iron (Oxy)Hydroxides, Trace Elements, and Bacteria

Published on: December 19, 2017

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis
10:44

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis

Published on: February 12, 2019

Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper
06:36

Preparation of Expanded Chitin Foams and their Use in the Removal of Aqueous Copper

Published on: February 27, 2021

Area of Science:

  • Environmental Science
  • Materials Science
  • Chemical Engineering

Background:

  • Copper ion contamination in water poses significant environmental and health risks.
  • Developing cost-effective and efficient adsorbents for heavy metal removal is crucial.
  • Agricultural byproducts like rice husk present a sustainable source for adsorbent materials.

Purpose of the Study:

  • To evaluate the efficacy of raw rice husk (RRH) and expanding rice husk (ERH) for copper ion removal from aqueous solutions.
  • To investigate the impact of column design parameters on copper ion adsorption.
  • To compare the performance of ERH with conventional adsorbents like coconut-shell activated carbon (C-AC).

Main Methods:

  • Batch adsorption experiments were conducted using RRH and ERH.
  • Column studies were performed to assess the influence of bed depth, flow rate, and initial copper concentration.
  • Desorption and regeneration studies were carried out using HCl and NaOH solutions.

Main Results:

  • Adsorption capacity increased with initial copper concentration but decreased with flow rate and bed depth.
  • ERH demonstrated higher adsorption capacity and longer breakthrough times than RRH.
  • ERH showed superior performance in Cu(2+) removal compared to C-AC.

Conclusions:

  • Expanding rice husk (ERH) is a highly effective adsorbent for copper ion removal.
  • ERH offers a promising, sustainable alternative to conventional adsorbents for wastewater treatment.
  • Optimized column design parameters can enhance the efficiency of ERH-based copper remediation systems.