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

A new method to control electrolytes pH by circulation system in electrokinetic soil remediation.

H H Lee1, J W Yang

  • 1Department of Chemical Engineering, KAIST, 373-1, Kusung-dong, Yusung-gu, 305-701, Taejon, South Korea.

Journal of Hazardous Materials
|August 18, 2000
PubMed
Summary
This summary is machine-generated.

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

[Intelligent generation of occlusal surface morphology of dental crown using an octree-based diffusion model].

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology·2026
Same author

[Epidemiological analysis of children with respiratory syncytial virus infections in Kunming from 2018 to 2025 and prediction of epidemic trends].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2026
Same author

[The role of aging in degenerative temporomandibular joint diseases: from cellular senescence to systemic imbalance].

Zhonghua kou qiang yi xue za zhi = Zhonghua kouqiang yixue zazhi = Chinese journal of stomatology·2026
Same author

[A Silver-Russell syndrome family with HMGA2 gene variant].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2025
Same author

The differentiation of glial precursors into neuronal-like cells through the Wnt and Neurotrophin signaling pathways via Ctnnβ1.

Biotechnic & histochemistry : official publication of the Biological Stain Commission·2025
Same author

[A case of neurodevelopmental disorder associated with BCL11B gene variant].

Zhonghua er ke za zhi = Chinese journal of pediatrics·2025
Same journal

Corrigendum to "Enhancing neonicotinoid removal in recirculating constructed wetlands: The impact of Fe/Mn biochar and microbial interactions" [J Hazard Mater 476 (2024) 135139].

Journal of hazardous materials·2026
Same journal

Corrigendum to "Enhancing neonicotinoid removal in recirculating constructed wetlands: The impact of Fe/Mn biochar and microbial interactions" [J. Hazard. Mater. 476 (2024) 135139].

Journal of hazardous materials·2026
Same journal

Induction and persistence of VBNC pathogens during high solid pig manure anaerobic digestion, dewatering, and storage: Biothermal-enhanced vs. conventional systems.

Journal of hazardous materials·2026
Same journal

Schwertmannite transformation under strongly-acidic conditions favoring jarosite precipitation: The effect of arsenic(V) and temperature.

Journal of hazardous materials·2026
Same journal

Coupled metabolic and endocrine dysregulation underlies the intergenerational toxicity of BPTMC: Insights from sex-specific transmission.

Journal of hazardous materials·2026
Same journal

Volatility-induced of zinc: Tailoring lattice strain in high-entropy alloys for driving efficient peroxymonosulfate activation toward rapid emerging pollutant breakdown.

Journal of hazardous materials·2026
See all related articles

This study optimized electrokinetic remediation for lead(II) removal from kaolinite clay. Electrolyte circulation enhanced heavy metal precipitation and extended the process duration for improved efficiency.

Area of Science:

  • Environmental Science
  • Geotechnical Engineering
  • Chemical Engineering

Background:

  • Electrokinetic remediation is a promising technology for removing heavy metals from contaminated soils.
  • Traditional methods face challenges with pH control, affecting electro-osmotic flow and contaminant precipitation.
  • Lead(II) contamination in kaolinite clay requires effective remediation strategies.

Purpose of the Study:

  • To enhance heavy metal precipitation and maintain electro-osmotic flow during electrokinetic remediation.
  • To investigate the effectiveness of electrolyte circulation for pH control in kaolinite clay contaminated with lead(II).
  • To improve the overall efficiency and operational period of electrokinetic remediation.

Main Methods:

  • Simulated electrokinetic remediation experiments were performed on saturated kaolinite specimens.

Related Experiment Videos

  • An electrolyte circulation method was employed to control pH in the anode and cathode compartments.
  • Lead(II) removal efficiency and clay pH changes were monitored at a circulation rate of 1.1 ml/min.

    • Main Results:

    • Electrolyte circulation successfully increased anolyte pH (2 to 4) and decreased catholyte pH (12 to 8).
    • The rate of clay pH decrease was reduced, extending the operable period and increasing lead(II) removal efficiency.
    • Most effluent lead(II) was electroplated onto the cathode, with minimal precipitation or adsorption in the anode compartment.

    Conclusions:

    • Electrolyte circulation is an effective strategy for simultaneous pH control, enhancing heavy metal precipitation, and maintaining electro-osmotic flow.
    • This method significantly improves lead(II) removal efficiency and extends the operational lifespan of electrokinetic remediation.
    • The integrated system minimizes the need for electrolyte treatment due to minimal effluent contamination.