Towards the development of a salinity impact category for South African life cycle assessments: Part 3 – Salinity potentials

Abstract

In Part 2 of this series of papers, a conceptual characterisation model was proposed for the inclusion of salinity impacts into environmental life cycle assessments. In this, the final part of the series, the results of a detailed characterisation model a re presented. The methodologies used to define the “unit South African catchment” are discussed, as are the methods used to predict salt concentrations in the various compartments, from which fate factors are derived. The effect factors used in the study are presented, and in combination with the fate factors, salinity potentials are derived for emissions into the various initial rel ease compartments.

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