Treatment of sewage water from tourist areas by anaerobic fixed-bed reactor |
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| Authors: | Sa´nchez E Borja R Reyes O Cruz M Colmenarejo MF |
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| Institution: | (1) Departamento de Estudios sobre Contaminacio´n Ambiental (DECA-CNIC), PO Box 6990, La Habana, Cuba;(2) Instituto de la Grasa (CSIC). Avda, Padre Garci´a Tejero, 4, E-41012 Sevilla, Spain;(3) Centro de Ciencias Medioambientales (CSIC), Serrano 115 duplicado, 28006 Madrid, Spain |
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| Abstract: | A laboratory-scale anaerobic fixed-bed reactor, operating at ambient temperature (30 to 35°C), was used to treat sewage water from tourist areas in Cuba at hydraulic retention times (HRT) ranging from 4 to 72 h. The total chemical oxygen demand (T-COD), total biological oxygen demand (T-BOD) and total suspended solids removal varied between 30 and 80%, 40 and 95% and 25 and 80%, respectively. Total and faecal coliforms were reduced by 98.1 to 99.9% and by 99.0% to 99.9% respectively, despite the marked decrease in HRT from 72 to 4 h. |
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| Keywords: | Anaerobic fixed-bed reactor coliforms sewage water tourist areas |
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