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      Uso de humedales construidos de flujo subsuperficial para la remoción de cobre y plomo de aguas de producción de petróleo Translated title: Use of subsurface flow constructed wetlands for the removal of copper and lead from oil production water

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          Translated abstract

          Subsurface Flow Constructed Wetlands (SFW) are natural purification systems characterized because has bed contains a porous mean in which are emergent aquatic plants. During this investigation the efficiency of the SFW, for the removal of copper and lead present in water from oil production, (OPW) was evaluated. A system conformed by two polythene trays with 0,175m3 capacity was used. In one tray these emergent species were implanted: Typha dominguensis, Cyperus luzulae, Cyperus feraz L. C and Cyperus ligularis L, one second tray was used as control (C) without plants. The organic load was 29.42 g/m2d and the hydraulic retention time (TRH) was 7 days. The wetland’s bed was provided of a gravel layer of 15 cm thickness with different granulometry. A weekly sampling was taken during four months. The metals copper and lead quantification was carried out through the instrumental technique of Atomic Absorption Spectrophotometry and the methodologies described in the Standard Methods. The results indicate statistically significant differences (P<0,05) between the removals of evaluated copper and lead in SFW and C. The average removals of copper and lead in the SFW were: 57.89% and 52.92% respectively whereas in C the copper removal was 39.91% and the of lead 22.94%. The results allow concluding that constructed wetlands are partially efficient for the removal of copper and lead water from oil crude production.

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          Most cited references22

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          Phytoremediation of chromium by model constructed wetland

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            Bioremediation of waters contaminated with crude oil and toxic heavy metals

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              • Report: not found

              Review of Constructed Subsurface Flow vs. Surface Flow Wetlands

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rtfiuz
                Revista Técnica de la Facultad de Ingeniería Universidad del Zulia
                Rev. Téc. Ing. Univ. Zulia
                Facultad de Ingeniería, Universidad del Zulia
                0254-0770
                December 2011
                : 34
                : 3
                : 238-245
                Affiliations
                [1 ] Universidad del Zulia Venezuela
                [2 ] Universidad del Zulia Venezuela
                [3 ] Universidad Experimental Rafael María Baralt Venezuela
                Article
                S0254-07702011000300006
                714bcc7c-5b77-4a00-ae97-a5a39916fe5b

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Venezuela

                Self URI (journal page): http://www.scielo.org.ve/scielo.php?script=sci_serial&pid=0254-0770&lng=en
                Categories
                ENGINEERING, MULTIDISCIPLINARY

                General engineering
                Agua de producción de petróleo,humedales construidos,flujo subsuperficial,macrófitas emergente,metales pesados,Water from oil crude production,constructed wetlands,subsurface flow,emergent aquatic plants,heavy metals

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