Contains supplementary material and data generated in the experimental work of Treatment of waste activated sludge (WAS) by steam explosion and two staged anaerobic digestion (2021). Revista Mexicana de Ingeniería Química 20, 3, IA2388. https://doi.org/10.24275/rmiq/IA2388 which studies the main operations of a this process to increase the transformation of the floc solids (cells and extracellular polymeric substances) into volatile fatty acids and eventually methane and carbonic gas. The process is bases in alkaline steam explosion of the concentrated WAS and further treat the remaining solids by alkaline fermentation. Overall the process will transform 77% of the produced solids in 10 days retention time as compared to 65% in 30 days. The use of a flow cytometer is proposed to monitor the destruction of flocs as an alternative to the gravimetry. This material contains figures of the main equipment used: a bench scale steam explosion reactor and a lab scale UASB. It also contains a figure following the volatile fatty acid during the continuous alkaline fermentation. An excell file of steam exploded waste activated sludge and alkaline fermentation of the exploded suspension. Also data from the flow cytometer and the correlations with the conventional gravimetric method.
Steps to reproduce
All the steps can be read at materials and methods in Tafolla, R., Ramírez, F., Ortiz, R., Cortés, E., Ortiz, I., & Monroy, O. (2021). Treatment of waste activated sludge by steam explosion and alkaline acidogenesis. Revista Mexicana De Ingeniería Química, 20(3), IA2388. https://doi.org/10.24275/rmiq/IA2388