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Odor control in lagoons.

X L Zhang¹, S Yan, R D Tyagi

¹Institut National de la Recherche Scientifique-Eau, Terre et Environnement, 490, rue de la Couronne, Québec, Québec G1K 9A9, Canada.

Journal of Environmental Management

|April 24, 2013

Summary

This summary is machine-generated.

Controlling lagoon odor requires identifying the cause and applying targeted strategies. Biological methods, like aeration and biofiltration, offer a feasible approach to wastewater treatment odor management.

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Area of Science:

Environmental Engineering
Wastewater Treatment Technologies
Odor Control Science

Background:

Lagoons are common in rural wastewater treatment but suffer from odor issues.
Odor emission from lagoons stems from various root causes.
Effective odor control necessitates identifying specific causes and implementing tailored strategies.

Purpose of the Study:

To review and compare physical, chemical, and biological odor control methods for wastewater treatment lagoons.
To highlight the feasibility and effectiveness of different odor mitigation techniques.

Main Methods:

Review of physical odor control technologies (masking, capturing, sorption).
Analysis of chemical odor control technologies (damaging odorant sources, converting odorants).
Examination of biological odor control methods (aeration, biocover, biofiltration) focusing on aerobic enhancement and biological decomposition.

Main Results:

Physical methods offer temporary mitigation but do not resolve the root cause.
Chemical methods provide rapid and efficient odor control by targeting odorant production or conversion.
Biological methods enhance aerobic conditions or promote methanogenesis for odorant decomposition.

Conclusions:

Biological methods are generally more feasible for long-term odor management in wastewater lagoons compared to physical and chemical approaches.
Tailored strategies based on the specific cause of odor emission are crucial for effective lagoon management.