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Updated: Jun 22, 2026
08:05
Measurement of the Potential Rates of Dissimilatory Nitrate Reduction to Ammonium Based on 14NH4+/15NH4+ Analyses via Sequential Conversion to N2O
Published on: October 7, 2020
[Simultaneous removal of nitrate and 4-chlorophenol from contaminated water using solid-phase denitrification
1Laboratory of Environmental Technology, INET, Tsinghua University, Beijing 100084, China. xmwang@mail.tsinghua.edu.cn
Huan Jing Ke Xue= Huanjing Kexue
|June 30, 2009
Summary
A new solid-phase denitrification method effectively removes nitrate and 4-chlorophenol (4-CP) from water using biodegradable meal box (BMB). This sustainable approach shows high efficiency in pollutant removal, offering a promising solution for water purification.
Area of Science:
- Environmental Microbiology
- Water Treatment Technologies
Context:
- Nitrate and 4-chlorophenol (4-CP) are common water pollutants.
- Conventional denitrification methods face challenges in efficiency and cost.
Purpose:
- To introduce and evaluate a novel solid-phase denitrification process for simultaneous removal of nitrate and 4-CP.
- To assess the efficacy of biodegradable meal box (BMB) as a carbon source and biofilm carrier.
Summary:
- Solid-phase denitrification using BMB achieved a volumetric denitrification rate of 24.0 mg/(L x h) for nitrate.
- 4-CP removal efficiency reached 90% at 5 mg/L and 71% at 30 mg/L within 8 hours.
- 4-CP removal is attributed to both BMB absorption and microbial degradation.
Impact:
- Demonstrates a sustainable and effective method for removing nitrate and 4-CP from contaminated water.
- Highlights the potential of BMB in supporting denitrifying microbial communities for bioremediation.
- Offers a novel approach for advanced wastewater treatment and water quality improvement.
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