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Zinc and Chromium removal mechanisms from industrial wastewater by using water hyacinth, eicchonia crassipes

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par John Gakwavu Rugigana
National University of Rwanda - Master's in WREM (water resources and environmental management) 2007

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1.6 Scope of the research

The research was aimed to investigate on the mechanisms involved in Cr (VI) and Zn (II) removal by water hyacinth plants in a closed system. That's why this research was limited at a laboratory pilot scale by using an industrial synthetic wastewater prepared in the lab by adding different concentrations of Cr (VI) and Zn (II), water hyacinth plants were used as adsorbent to assess the mechanisms of removal.

1.7 Report outline

This study has been delimited in six chapters according to the general introduction (background, problem description, objectives, research questions, hypotheses and the limitation of the research), literature review (general in formations on heavy metals, water hyacinth, wastewater treatment), materials and methods used, results found, discussions on results found, conclusions and recommendations followed by references and some appendices.

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