Related Experiment Videos
[Quinoline removal in fluidized-bed bioreactor using immobilized cells].
1State Key Joint Laboratory of Environment Simulation and Pollution Control, Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, China. lp.h@263.net
Huan Jing Ke Xue= Huanjing Kexue
|May 31, 2001
Summary
This study immobilized Burkholderia pickettii for efficient quinoline biodegradation in wastewater using a novel bioreactor. The system demonstrated complete removal of quinoline at various concentrations and shock loads.
Area of Science:
- Environmental Microbiology
- Bioremediation Technologies
- Chemical Engineering
Context:
- Quinoline is a persistent organic pollutant found in industrial wastewater.
- Effective treatment methods are needed to remove quinoline and mitigate environmental contamination.
- Burkholderia pickettii exhibits potential for degrading aromatic nitrogen-containing heterocyclic compounds.
Purpose:
- To develop and evaluate an immobilized bioreactor for efficient quinoline degradation.
- To investigate the kinetic performance of the bioreactor under varying quinoline concentrations.
- To assess the bioreactor's tolerance to shock loading conditions.
Summary:
- Burkholderia pickettii was immobilized using a PVA-H3BO3-gauze method and employed in a fluidized-bed bioreactor for quinoline removal.
- The bioreactor achieved complete quinoline degradation within 2.5 to 12 hours for initial concentrations of 100 to 500 mg/L.
- Zero-order kinetics were proposed, and continuous flow experiments assessed performance at different hydraulic retention times (HRTs) and shock loads.
Impact:
- Demonstrates a robust and efficient method for treating quinoline-contaminated wastewater.
- Provides kinetic insights into the biodegradation process for process optimization.
- Highlights the potential for scalable bioremediation solutions in industrial settings.