About this Research Topic
The aerobic granular sludge technology is gaining increasing attention due to its superior advantages, such as its compact structure and greater settle-ability, denser biomass and higher treatment capacity, smaller footprint and lower costs. Over the past three decades, more and more lab-, pilot-, and full-scale applications have been conducted and established worldwide. However, there are still fundamental questions that need to be addressed regarding granulation(including fast granulation), stable operation, monitoring and modeling, as well as scaling up for this promising technology.
As we are aware, waste activated sludge contains a substantial amount of carbon and nutrients that could potentially be further recovered. Currently, efforts have been made to recover energy through anaerobic digestion in the form of methane. However, the efficiency of carbon recovery remains low. Additionally, the development of nutrient recovery (phosphorus and ammonium) from waste activated sludge is still in its early stage.
Given this context, exploring the following questions can help shed light on the development of aerobic granular sludge technology:
1. What are the identified mechanisms for aerobic sludge granulation?
2. How to maintain the stability of aerobic granular sludge over long-term operation?
3. What strategies can be employed to maximize the performance of nutrient removal?
4. How to improve resources and energy recovery from aerobic granular sludge?
5. What methods and techniques can be utilized to effectively monitor and model aerobic granular sludge reactors?
6. What are the key factors to consider when scaling up in sequencing and continuous flow configurations?
7. How to enhance the efficiency of Anaerobic digestion for waste activated sludge？
8. What approaches can be taken to achieve efficient recovery of nitrogen and phosphorus resources from waste activated sludge？
9. How to reduce odor emissions in aerobic composting of waste activated sludge?
10. What strategies can be implemented to achieve efficient recovery of biomass from waste activated sludge？
To address these questions, further research on aerobic granular sludge is urgently needed. Therefore, this Research Topic aims to bring out novel advances in the fields of aerobic granular sludge technology and recycling technology of waste activated sludge. Submissions of Original Research articles and Reviews on the following subtopics are welcome, but not limited to:
• Aerobic sludge (fast) granulation process and novel strategies;
• Maintenance and optimization of aerobic granular sludge stability;
• Maximization of treatment performance and identification of key parameters;
• Pathways and applications for resources and energy recovery;
• Monitoring and modeling of aerobic granular sludge reactors;
• Scaling up and application of aerobic granular sludge-related technologies;
• Aerobic composting technology for sludge;
• New strategies for phosphorus (or nitrogen or carbon) recovery from sludge;
• Energy recovery from Anaerobic digestion sludge.
As we are aware, waste activated sludge contains a substantial amount of carbon and nutrients that could potentially be further recovered. Currently, efforts have been made to recover energy through anaerobic digestion in the form of methane. However, the efficiency of carbon recovery remains low. Additionally, the development of nutrient recovery (phosphorus and ammonium) from waste activated sludge is still in its early stage.
Given this context, exploring the following questions can help shed light on the development of aerobic granular sludge technology:
1. What are the identified mechanisms for aerobic sludge granulation?
2. How to maintain the stability of aerobic granular sludge over long-term operation?
3. What strategies can be employed to maximize the performance of nutrient removal?
4. How to improve resources and energy recovery from aerobic granular sludge?
5. What methods and techniques can be utilized to effectively monitor and model aerobic granular sludge reactors?
6. What are the key factors to consider when scaling up in sequencing and continuous flow configurations?
7. How to enhance the efficiency of Anaerobic digestion for waste activated sludge？
8. What approaches can be taken to achieve efficient recovery of nitrogen and phosphorus resources from waste activated sludge？
9. How to reduce odor emissions in aerobic composting of waste activated sludge?
10. What strategies can be implemented to achieve efficient recovery of biomass from waste activated sludge？
To address these questions, further research on aerobic granular sludge is urgently needed. Therefore, this Research Topic aims to bring out novel advances in the fields of aerobic granular sludge technology and recycling technology of waste activated sludge. Submissions of Original Research articles and Reviews on the following subtopics are welcome, but not limited to:
• Aerobic sludge (fast) granulation process and novel strategies;
• Maintenance and optimization of aerobic granular sludge stability;
• Maximization of treatment performance and identification of key parameters;
• Pathways and applications for resources and energy recovery;
• Monitoring and modeling of aerobic granular sludge reactors;
• Scaling up and application of aerobic granular sludge-related technologies;
• Aerobic composting technology for sludge;
• New strategies for phosphorus (or nitrogen or carbon) recovery from sludge;
• Energy recovery from Anaerobic digestion sludge.
Keywords: aerobic granular sludge, granulation, application, efficiency, resources recovery, sludge, compost
Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.
