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 Experiment Videos

Cadmium removal using Cladophora in batch, semi-batch and flow reactors.

Steven P K Sternberg1, Ryan W Dorn

  • 1Department of Chemical Engineering, University of Minnesota at Duluth, 55812, USA. ssternbe@d.umn.edu

Bioresource Technology
|January 25, 2002
PubMed
Summary

Local Cladophora algae effectively removed 80-94% of cadmium from wastewater in batch tests. However, non-local Cladophora parriaudii showed limited removal in flow experiments due to insufficient quantity and poor contact.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Bioremoval of aqueous lead using Lemna minor.

International journal of phytoremediation·2009
Same author

Lead and nickel removal using Microspora and Lemna minor.

Bioresource technology·2003
See all related articles

Area of Science:

  • Environmental Science
  • Bioremediation
  • Aquatic Botany

Background:

  • Cadmium is a toxic heavy metal pollutant found in industrial wastewater.
  • Effective and sustainable methods for cadmium removal are crucial for environmental protection.
  • Algae show potential as a biological agent for heavy metal remediation.

Purpose of the Study:

  • To evaluate the efficacy of viable Cladophora algae in removing cadmium from synthetic wastewater.
  • To compare cadmium removal efficiency between a local Cladophora strain and a non-local strain (Cladophora parriaudii).
  • To identify factors limiting cadmium removal in flow conditions.

Main Methods:

  • Batch and semi-batch experiments using a local Cladophora strain.
  • Flow experiments utilizing non-local Cladophora parriaudii in a reactor.

Related Experiment Videos

  • Quantification of cadmium removal percentages.

    • Main Results:

    • The local Cladophora strain achieved 80-94% cadmium removal in batch/semi-batch tests.
    • Cladophora parriaudii demonstrated significantly lower cadmium removal (12.7% +/- 6.4%) in flow experiments.
    • Insufficient algal biomass and inadequate contact between algae and cadmium solution were identified as limiting factors.

    Conclusions:

    • Viable local Cladophora algae show high potential for cadmium removal from wastewater under controlled batch conditions.
    • Scaling up algal bioremediation using Cladophora parriaudii in flow systems requires optimization of algal quantity and contact.
    • Further research is needed to enhance the efficiency of Cladophora in continuous flow wastewater treatment.