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Sulfuros

BIOLOGICAL SULFIDE OXIDATION APPLICATIONS IN LATIN AMERICAN TROPICAL COUNTRIES.

SUMARY
In Latin American countries, more than in European countries, people are very sensitive to odors, and the success of a wastewater treatment plant (WWTP) depends on the odor control. On an other hand, towns and industries are usually unable to invest in traditional activated sludge treatment plants, and are nearly never able to pay for their operation and maintenance costs. For that reason the cheaper UASB anaerobic treatment plants are so popular in Latin America, but their development has been limited by the odors generated in the air as well as in the effluent discharge.

Additionally, the biogas commercialization is an interesting possibility to cover the Operation and Maintenance costs of the UASB treatment plants, and the H2S removal could greatly facilitate its commercialization.

That’s why the micro-aerobic sulfide oxidation, which is a very new “high tech” technology, is already being used in several anaerobic wastewater treatment plants in Latin America, even for “down graded” low cost sewage plants.

KEYWORDS :
Anaerobic. UASB. Effluent. Odors. Sulphide. Biological filters. Air injection. Biogas valorization. Palm oil mill. Yeast factory. Rendering plant. Low cost sewage plant.

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