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Studies show that conventional treatment has been shown to be inefficient in removing most emerging contaminants, which are found at trace levels, however, are bioaccumulative. Taking into account that the Water Treatment Station and the Sewage Treatment Station, both located in Ribeirão Taquaruçu, municipality of Palmas - TO, use a conventional method for water treatment, based on the identification of contaminants emerging, it will be possible to propose the inclusion of this “new” class of pollutants in monitoring programs and an adaptation of available treatment technologies for the treatment of wastewater and drinking water, as these have numerous harmful effects on the ecosystem and human health.

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1 - Computational Modeling;
2 - Hydrological Modeling;
3 - Modeling water quality.

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Fernanda: - During the process of occupation of areas for human activities and exploration of natural resources, environmental accidents of great relevance were recorded, especially the contamination of water courses by dam rupture and oil leakage, leading to concern about pollution by oil and ore tailings, in the Quadrilátero Ferrífero region in Minas Gerais and Campos Basin in Rio de Janeiro. - There are several technologies for removing water from ore tailings and treating oily water. However, vegetable tannins have shown effective and non-toxic properties for the coagulation of contaminants, unlike the traditional aluminum salts used, which are not only toxic but also bioaccumulators. - Thus, studies with industrial wastewater have already shown that tannins used in the recovery of oils and heavy metals such as iron and copper in water formed chelates that helped in recovery. Tannins are hydrolysable, that is, of lower molecular weight, which interact with the inorganic material in suspension, making it more compact and heavier, providing decantation. - Environmental conditions that stress some plant species such as light, temperature, low availability of water and nutrients stimulate the production of tannins as a form of defense and protection for the plant. Thus, the work is important in verifying the best species for tannin extraction and how they can be used for depollution.

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Fernanda: - During the process of occupation of areas for human activities and exploration of natural resources, environmental accidents of great relevance were recorded, especially the contamination of water courses by dam rupture and oil leakage, leading to concern about pollution by oil and ore tailings, in the Quadrilátero Ferrífero region in Minas Gerais and Campos Basin in Rio de Janeiro. - There are several technologies for removing water from ore tailings and treating oily water. However, vegetable tannins have shown effective and non-toxic properties for the coagulation of contaminants, unlike the traditional aluminum salts used, which are not only toxic but also bioaccumulators. - Thus, studies with industrial wastewater have already shown that tannins used in the recovery of oils and heavy metals such as iron and copper in water formed chelates that helped in recovery. Tannins are hydrolysable, that is, of lower molecular weight, which interact with the inorganic material in suspension, making it more compact and heavier, providing decantation. - Environmental conditions that stress some plant species such as light, temperature, low availability of water and nutrients stimulate the production of tannins as a form of defense and protection for the plant. Thus, the work is important in verifying the best species for tannin extraction and how they can be used for depollution.

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1 - Create a technical and economic model structure for suporting the popularization of anaerobic digestion applications on industrial regional enviroment.

2 - Excecuting a concept proof and emphasize the economic path for that.

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Fernanda: 1 - analysis of the tannin production of some plant species under different environmental conditions; 2 - use of plant extracts in the treatment of water contaminated by iron ore and oil.

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Fernanda: 1 - analysis of the tannin production of some plant species under different environmental conditions; 2 - use of plant extracts in the treatment of water contaminated by iron ore and oil.

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identification of the pollution plume trajectory

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It has long been said that the production of energy through hydroelectric does not generate negative environmental impacts on the environment, but many studies have shown that this form of energy generation, previously considered "clean energy", can cause serious negative environmental impacts not only during construction, as well as during operation.

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- collect water samples
- perform laboratory analysis
- compare some water quality parameters
- correlate the results obtained with the main land uses and occupation

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impacts of hydropower on water quality

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Fernanda: Decontamination of oil and mineral pollution using vegetable tannins

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Fernanda: Decontamination of oil and mineral pollution using vegetable tannins

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Waterwaste reuse from industrial processement

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- The objective of this work is to demonstrate in a practical way that it is more economically and environmentally positive to carry out the management of plastic waste on land, that is, to avoid its release from water bodies;
- The origin of plastics is terrestrial, so it is better to collect them than from water bodies, to prevent them from being released;
- Prove that reducing the amount of plastic disposed in water bodies is the best solution for water pollution by packaging;
- Use of multi-criteria modeling to determine reverse logistics locations.

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- Conduct a systemic review of the literature;
- Use of AHP as a decision method;
- Bibliographic review and semi-structured interviews to define decision criteria and weights;
- Identification of collection points;
- Definition of the most assertive point.

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Using the AHP method to select post-consumer collection point

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The Committees are one of the main instruments of participatory management of water resources. Fundamental to guarantee the decentralization, effectiveness and democratization of public management of water resources.

The Committees guarantee the exercise of citizenship and contribute to the construction of strategies that guarantee the conservation of natural resources and improve people's living conditions.

There will only be effective protection and rational use of water resources when shared management processes are developed and implemented.

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- Participatory water management;
- Integrated water resources management;
- water resources management;
- watershed committees;

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Participatory process on water resources management by watershed committees.

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Laise: Brazil is a major agricultural producer. Agriculture uses fertilizers and pesticides. I want to study water pollution caused by agriculture

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Laise: Brazil is a major agricultural producer. Agriculture uses fertilizers and pesticides. I want to study water pollution caused by agriculture

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Laise: 1-Simulate a plantation and the consumption of fertilizers  2-Identify the presence of fertilizers in the rivers

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Laise: 1-Simulate a plantation and the consumption of fertilizers  2-Identify the presence of fertilizers in the rivers

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Laise: transport of pollutants in agriculture

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Laise: transport of pollutants in agriculture

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Computational modelling proved to be the best method to reach the forward problem in case of an oil spill. Nevertheless, this method tends to use a significant load of randomness in its inner source-codes whilst retrieving its data. Mastering these codes is of great support to calibrate the user's intentions and hold control over the output.

Needless to say that it is unexpected - to date - that science will provide an alternative to stochasticity, as there is likely to be countless phenomena, which are still to be learnt. Notwithstanding the intention of replacing the stochasticity, the aim here is to have better control over it. Consequently, providing a new and "natural" approach to find the forward problem.

As the next step in this pursuit, complex methods such as "Artificial Neural Network" and other nature-based mathematics could be applied in a classical trajectory standard so as to use a more natural approach.

The computational cost is still a matter to be resolved, due to the complexity and interaction among several different mathematical behaviour and the computer's capacity to run it thoroughly. As a step ahead: heading toward a systematic approach to find the source of a pollutant can be handy to identify illegal emissions and environmental threat origins, allowing this research to assist with the mitigation procedures.

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1 - Unwrap the science behind ordinary forward problem in oil tracking.
2 - Identify the stochasticity over trajectory patterns.
3 - Provide optimised methods to diminish the stochasticity inputs.
4 - Provide a reliable and systematic approach to find the emission point based on a random - though actual - observation at a random time.

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Pollutant trajectory identification

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Nowadays, the world is constantly suffering from the effects of climate change. Therefore, studies and research that simulate different intense rainfalls are extremely important.

A few decades ago, the simulation of these natural phenomena was practically impossible, due to the limitations of existing computers and software.

With the technological advance in this sector, it was possible to create several increasingly advanced software that simulate the behavior of water in various phenomena in nature.

With this evolution, mathematical, computational and hydrological models could be better developed and applied in different regions of interest.

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1 - Mathematical Modeling;
2 - Computational Modeling;
3 - Hydrological Modeling;
4 - Extreme Rain Modeling.

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Water resources

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1 - Research and improve the applications of anaerobic reactors on industrial process;
2 - Testing on site.