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.

• Chapter 1: An Introduction to Green Technologies for Wastewater TreatmentChapter 2: Bioremediation: An Innovative Approach for Wastewater TreatmentChapter 3: Investigating Ecological Friendly Advancements in Wastewater Treatment for Sustainable SolutionsChapter 4: Harnessing Microalgae for Wastewater Treatment: Optimizing Cultivation, Pollutant Removal, and Photobioreactor Technologies for a Sustainable FutureChapter 5: Microalgal treatment of wastewater by suspended and immobilized algal systems: An approach contributing to circular bioeconomyChapter 6: Microalgae-Bacteria Symbiotic System for Wastewater TreatmentChapter 7: Potential of Macroalgae (Seaweeds) in the treatment of wastewatersChapter 8: Open and closed photobioreactors for algal wastewater treatmentChapter 9: Microbial Nanomaterials for the Treatment of WastewatersChapter 10: Treatment Of Wastewater Using Nanoparticles From Seaweeds (Marine Algae) Chapter 11: Metagenomics: Hidden Details of Microbes Involved in Wastewater TreatmentChapter 12: Biofuels production from micro/macroalgae cultivated with wastewatersChapter 13: Biomethane production from the anaerobic digestion of wastewater: An IntroductionChapter 14: Biomethane production from the anaerobic digestion of wastewater: Process, Mechanism & Cost AnalysisChapter 15: Biohydrogen: A green fuel for sustainable energyChapter 16: Carbon Sequestration and Wastewater Treatment: An Approach to Reduce Carbon FootprintChapter 17: Circular Bioeconomy: An Environmentally Sustainable and Economically Viable Approach to Wastewater Treatment

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.

• Chapter 1: An Introduction to Green Technologies for Wastewater TreatmentChapter 2: Bioremediation: An Innovative Approach for Wastewater TreatmentChapter 3: Investigating Ecological Friendly Advancements in Wastewater Treatment for Sustainable SolutionsChapter 4: Harnessing Microalgae for Wastewater Treatment: Optimizing Cultivation, Pollutant Removal, and Photobioreactor Technologies for a Sustainable FutureChapter 5: Microalgal treatment of wastewater by suspended and immobilized algal systems: An approach contributing to circular bioeconomyChapter 6: Microalgae-Bacteria Symbiotic System for Wastewater TreatmentChapter 7: Potential of Macroalgae (Seaweeds) in the treatment of wastewatersChapter 8: Open and closed photobioreactors for algal wastewater treatmentChapter 9: Microbial Nanomaterials for the Treatment of WastewatersChapter 10: Treatment Of Wastewater Using Nanoparticles From Seaweeds (Marine Algae) Chapter 11: Metagenomics: Hidden Details of Microbes Involved in Wastewater TreatmentChapter 12: Biofuels production from micro/macroalgae cultivated with wastewatersChapter 13: Biomethane production from the anaerobic digestion of wastewater: An IntroductionChapter 14: Biomethane production from the anaerobic digestion of wastewater: Process, Mechanism & Cost AnalysisChapter 15: Biohydrogen: A green fuel for sustainable energyChapter 16: Carbon Sequestration and Wastewater Treatment: An Approach to Reduce Carbon FootprintChapter 17: Circular Bioeconomy: An Environmentally Sustainable and Economically Viable Approach to Wastewater Treatment

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.

• Chapter 1: An Introduction to Green Technologies for Wastewater TreatmentChapter 2: Bioremediation: An Innovative Approach for Wastewater TreatmentChapter 3: Investigating Ecological Friendly Advancements in Wastewater Treatment for Sustainable SolutionsChapter 4: Harnessing Microalgae for Wastewater Treatment: Optimizing Cultivation, Pollutant Removal, and Photobioreactor Technologies for a Sustainable FutureChapter 5: Microalgal treatment of wastewater by suspended and immobilized algal systems: An approach contributing to circular bioeconomyChapter 6: Microalgae-Bacteria Symbiotic System for Wastewater TreatmentChapter 7: Potential of Macroalgae (Seaweeds) in the treatment of wastewatersChapter 8: Open and closed photobioreactors for algal wastewater treatmentChapter 9: Microbial Nanomaterials for the Treatment of WastewatersChapter 10: Treatment Of Wastewater Using Nanoparticles From Seaweeds (Marine Algae) Chapter 11: Metagenomics: Hidden Details of Microbes Involved in Wastewater TreatmentChapter 12: Biofuels production from micro/macroalgae cultivated with wastewatersChapter 13: Biomethane production from the anaerobic digestion of wastewater: An IntroductionChapter 14: Biomethane production from the anaerobic digestion of wastewater: Process, Mechanism & Cost AnalysisChapter 15: Biohydrogen: A green fuel for sustainable energyChapter 16: Carbon Sequestration and Wastewater Treatment: An Approach to Reduce Carbon FootprintChapter 17: Circular Bioeconomy: An Environmentally Sustainable and Economically Viable Approach to Wastewater Treatment