回收和废物管理的进步

As the world grapples with the challenges of climate change and the need for sustainable energy sources, the focus on renewable and environmentally friendly alternatives has intensified. This article delves into the current state of biogas generation from organic fraction municipal solid waste (OFMSW) in Canada and explores the future prospects of this promising energy source. Biogas, a mixture of methane and carbon dioxide produced through the anaerobic digestion of organic waste, holds significant potential for addressing both environmental and energy concerns. In Canada, where waste management and renewable energy are key priorities, the exploration of biogas from OFMSW emerges as a crucial component of a sustainable future.

Biogas production from organic waste is a promising renewable energy source. However, the presence of CO₂ in biogas reduces its energy content. This article explores the potential of enhancing biogas quality through CO₂ sequestration using newly isolated bacteria, while concurrently producing valuable acetic acid. The study integrates microbiology, biotechnology, and environmental engineering to optimize biogas production processes. Key aspects such as bacterial isolation, acetic acid yield, CO₂ sequestration efficiency, and overall process economics are discussed. The findings suggest a viable strategy for improving biogas quality and simultaneously obtaining valuable biochemicals.

Biomass waste, including agricultural residues, forestry waste, and organic municipal waste, represents a significant environmental challenge due to its potential for pollution and greenhouse gas emissions. However, advancements in biomass waste conversion technologies offer promising solutions for sustainable waste management and renewable energy production. This article provides an in-depth exploration of various biomass waste conversion technologies, their environmental impacts, and their role in promoting environmentally sustainable development. The review encompasses a discussion on thermochemical, biochemical, and physicochemical conversion processes, along with an analysis of their advantages, limitations, and potential applications. Additionally, the article explores policy frameworks and regulatory measures that can facilitate the widespread adoption of biomass waste conversion technologies for a cleaner and greener future.

Anaerobic Membrane Bioreactors (AnMBRs) have emerged as a promising technology for treating municipal wastewater, digesting sewage sludge, and upgrading biogas. This article provides a comprehensive overview of AnMBRs, focusing on their design, operation, performance, and applications in wastewater treatment and bioenergy production. The review discusses the key advantages, challenges, and recent advancements in AnMBR technology, highlighting its potential for sustainable wastewater management and resource recovery.