Avanços na reciclagem e gestão de resíduos

In recent years, the proliferation of electronic devices has led to a surge in electronic waste (e-waste), creating a pressing need for sustainable disposal and recycling solutions. One promising avenue is the conversion of e-waste plastics, such as High-Impact Polystyrene (HIPS), into 3D printing filament. This innovative approach not only addresses the e-waste crisis but also contributes to the circular economy.

This article provides an in-depth analysis of opinions surrounding the thermochemical recycling of plastic wastes for the production of alternative fuels. Thermochemical processes, such as pyrolysis and gasification, have gained attention as viable methods for converting plastic waste into valuable fuels, thereby mitigating environmental concerns associated with plastic disposal. This study synthesizes and evaluates diverse viewpoints from experts, policymakers, and stakeholders, focusing on the technical, economic, and environmental aspects of this innovative approach. The research emphasizes the potential of thermochemical recycling as a critical component in transitioning towards a more sustainable and circular economy.

This article delves into the concept of closing nutrient cycles within aquaponic systems through the utilization of system-internal resource streams. By incorporating innovative approaches to feed development and nutrient management, aquaponics has the potential to revolutionize sustainable food production. The study explores the implications of achieving circularity in aquaponics, focusing on enhanced nutrient utilization, reduced environmental impacts, and increased resilience in food production. The research highlights the critical role of feed formulation, system design, and operational practices in realizing the vision of circular multitrophic food production systems.

This article explores a ground-breaking method for improving the efficiency of anaerobic digestion in treating sewage sludge by utilizing hydrolase enzymes produced through the fermentation of food waste. The integration of hydrolase into the anaerobic digestion process has the potential to revolutionize sewage sludge treatment, offering a sustainable and effective solution to address the challenges associated with the heterogeneous nature of sludge.

In an era marked by escalating environmental concerns, the imperative to devise sustainable solutions to address pollution and waste management has never been more critical. Among the myriad pollutants that afflict our ecosystems, Perfluorooctanoic Acid (PFOA) stands out as a persistent and potentially harmful compound. Originating from various industrial processes, PFOA poses serious threats to both human health and the environment.

The utilization of industrial waste in construction materials has gained significant attention in recent years due to its potential economic and environmental benefits. This study focuses on the evaluation of the chemical reactivity of waste generated from Brazilian stone cutting plants with cementitious matrices. The abundant waste produced in stone cutting processes poses a challenge for disposal and environmental impact. By investigating its compatibility with cementitious materials, we aim to contribute to sustainable waste management practices while enhancing the properties of construction materials. This article presents a comprehensive analysis of the chemical interactions between Brazilian stone cutting plant waste and cementitious matrices, shedding light on the potential applications and benefits in the construction industry.

Industrial processes generate significant amounts of waste, posing environmental challenges. Disposal of industrial waste can have adverse effects on ecosystems and water quality. This study explores the potential of utilizing waste materials for pigment production as a sustainable waste management solution. The development of sustainable waste management solutions is imperative. One promising avenue is the utilization of waste materials in the production of valuable products, such as pigments.

This article provides an in-depth analysis of opinions surrounding the thermochemical recycling of plastic wastes for the production of alternative fuels. Thermochemical processes, such as pyrolysis and gasification, have gained attention as viable methods for converting plastic waste into valuable fuels, thereby mitigating environmental concerns associated with plastic disposal. This study synthesizes and evaluates diverse viewpoints from experts, policymakers, and stakeholders, focusing on the technical, economic, and environmental aspects of this innovative approach. The research emphasizes the potential of thermochemical recycling as a critical component in transitioning towards a more sustainable and circular economy.