Acknowledgements
The works of the papers entitled “Evaluation of a Novel Integrated Bioreactor–AOS System for Treating Oil-Containing Restaurant Wastewater on Site in Hong Kong” and “Determination of the Optimal and Economical Biofilter Depth in an Anaerobic Hybrid Reactor for Treating Livestock Industrial Wastewater” published on 40 (1), pp 215–243 were funded by the National Natural Science Foundation of China. (No. 50222204).