Catalytic nitrate removal from water, past, present and future perspectives

Catalytic hydrogenation of nitrates has been studied since the beginning of the nineties. Despite the encouraging initial results the problematic of ammonium by-product formation is yet to be solved. This manuscript aims to be an overview of past and present research in the field and propose some key areas, which should be addressed to improve current and newly developed systems.

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► Overview of past and present literature.
► Future opportunities.
► Perspective and recommendations.