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Short presentation of SusTrEE project

The project Evaluation of sustainability of eco-friendly processes used in wastewater treatment based on an integrated environmental and economic assessment approach (SusTrEE) aims at providing the optimal solution(s) in terms of non-conventional and eco-friendly wastewater treatment processes sustainability by aligning environmental, human health, economic and social interests based on the development of an experimental demonstration model which works as a validated system. SusTrEE proposal addresses as primary scope the issue of the elimination of environmental pollution caused by persistent pollutants. The project scope is addressing the processes sustainability through Life Cycle Analysis and Life Cycle Costing methodologies, by making a genuine and complex comparison between two processes used for wastewater treatment, namely biosorption and bioaccumulation using dead and living microorganisms for the removal of persistent pollutants. The project aims at finding a compromise highlighting the optimal solution(s) between emissions, design and costs in the life cycle stages of processes applied for the wastewater treatment facilities. The application of the proposed knowledge into practice is a key issue for sustainable development with both industrial and societal benefits. In this context, SusTrEE project proposes innovative validated solutions which will allow the sustainable application of biosorption and bioaccumulation processes at large scale.


Novelty and relevance of SusTrEE project


The originality and innovation of the SusTrEE project is given by the implementation of its ambitious objectives and as seen in the state-of-the-art by the existing gaps, which will be filled through the application of SusTrEE project in current practice. The SusTrEE contribution will not only be focused on the scientific community, but also on raising public awareness on environmental, human health and economic benefits by providing a sustainable viability of different processes considered as eco-friendly solutions for the removal of pollutants. The OVERALL OBJECTIVE of the SusTrEE project focuses on developing a validated methodological framework addressing the sustainability of different wastewater treatment technologies, with a special focus on eco-friendly and non-conventional technologies such as biosorption and bioaccumulation used for the removal of persistent pollutants and considering life cycle impacts and life cycle costing methodologies, which will allow their integration in large-scale systems.

The innovation of SusTrEE project can be summarized as follows:
  • novelty consists, first, in the integrated manner developed in the proposal, by providing environmental, human health, social and economic benefits, which will lead to the assessment of the processes sustainability for further use in large-scale treatment facilities;

  • second, the novelty of the proposal lies in the application for the first time, as far as we are aware, of a comparative analysis in terms of environmental and human health impacts and design costs for biosorption and bioaccumulation of selected persistent pollutants from wastewaters, based on LCA and LCC methodologies, which will lead to high visibility at both national and international levels; (iii) third, the literature review highlights the feasibility of the proposal approach associating skills from different disciplines;

  • third, the related literature highlights the feasibility of the proposal, which combines skills from different disciplines
  • forth, the deliverables of the project will provide data for assessing the sustainability and the economic viability of the processes at large scale, pointing out also the eco-friendliness of these processes compared to conventional ones.


As far as we are aware of, there is no study considering integrating LCA and LCC methodologies for wastewater treatment processes such as biosorption and bioaccumulation process, as a new alternative to wastewater treatment. By integrating LCA and LCC analyses in an early design phase we can identify justified environmental and economic design strategies linking to sustainable perspectives, not only for industry but also from the consumer point of view. SusTrEE aims to make a complete comparison, in terms of process evaluation through experiments and modelling, environmental and human health impacts based on LCA and their financial outcomes through LCC, justifying the way through a more sustainable Life Cycle Management (LCM) of wastewater treatment processes.

In the context created by the SusTrEE project, the integrated framework combining LCA and LCC methodologies as a supporting tool that provides the optimal solution(s) in terms of environmental, human health and economic benefits for non-conventional and environmentally friendly processes involves the implementation of three major stages (as represented in the figure below), as follows:

  • STAGE 1. Current state of research and integrated studies in research laboratories;
  • STAGE 2. Evaluation of the interaction between microorganisms and environmental pollutants considering different modeling tools;
  • STAGE 3. Assessing the global impact and costs of wastewater treatment strategies in a comprehensive analysis combining LCA and LCC methodologies.

The integration of all the stages considered in the SusTrEE project, based simultaneously on the impact on the environment and on human health and on the economic evaluation of the studied processes, completes the lack of knowledge for wastewater treatment processes towards sustainable technological, ecological and economic applications. Within the project, we were able to provide a consistent and validated methodology to justify decisions and to support progress in the three dimensions of sustainable development: economic, environmental and social.


Integrated framework based on LCA and LCC methodologies as a supporting tool regarding environmental, human health and economic benefits for non-conventional and environmentally friendly processes


Activity report Stage 1 - Stage 2

Activity report Stage 3