Currently, most of the physical and chemical technologies generally employed for the treatment of wastewater are costly and inefficient. Researchers have been working to find green technologies for the sustainable and economically viable treatment methods for wastewater, and Green Technologies for Wastewater Treatment and Bioenergy Production focuses on these latest advancements. These include bioremediation, bioaugmentation, wetlands, and algal treatment technologies, which are considered to contribute toward a circular bioeconomy and to be crucial in attaining various sustainable development goals.

• Examines the production of biofuels and other forms of bioenergy derived from wastewater.
• Explains how these emerging green technologies contribute toward a circular bioeconomy and aid in achieving various sustainable development goals.

Dr. Imran Ahmad is a dedicated researcher, academic, and scientific consultant deeply committed to environmental sustainability and algae biotechnology. With an MPhil and PhD from Universiti Teknologi Malaysia, his expertise lies in biological wastewater treatment, microalgal bioremediation, and resource recovery. His work bridges research and application, focusing on innovative solutions that address environmental challenges while contributing to the principles of a circular bioeconomy. He has been actively involved in designing and optimizing photobioreactors, anaerobic reactors, and microalgae-based treatment systems that offer sustainable alternatives for wastewater management and carbon sequestration.

He works as a Scientific Consultant and Bioprocess Engineer with ProAlgaeTech, a startup focused on microalgal carbon sequestration and wastewater bioremediation. His contributions extend beyond academic research, engaging in industrial applications that translate scientific advancements into real-world impact. He has been integral to international projects, including the Indo-European Horizon 2020 PAVITR project and Liquid Trees, where his insights have helped shape strategies for efficient wastewater treatment and bioenergy production. He also obtained a utility innovation for a modified grease trap design for restaurant wastewater, further demonstrating his ability to develop practical engineering solutions. His research has resulted in various high-impact publications, reflecting his commitment to advancing knowledge in environmental engineering.

His work has been recognized at both national and international levels. He has received the My Membrane Award from the Malaysia Membrane Society, UTM, and has been acknowledged by Japan's Algae Industry Incubation Consortium. He was also nominated as the Secretary of the International Conference on Environmental Science and Green Technology in 2022. Alongside his research contributions, he has spent more than eight years in academia, mentoring students, designing laboratory infrastructure, and fostering interdisciplinary collaborations. His experience in teaching and research has allowed him to contribute to shaping the future of environmental engineering education.

Beyond professional achievements, he remains committed to developing sustainable technologies that create meaningful change. His work is driven by the belief that scientific research should lead to practical, lasting solutions that benefit the environment and society. Whether through academia, consultancy, or industry partnerships, he continues exploring ways to integrate innovation with sustainability, ensuring that his contributions have a lasting impact on green technology.