Peer-Reviewed Publications

  1. Shyu, H.Y., Castro, C.J., Bair, R. A., Lu, Q., Yeh, D.H. (2023). Development of a soft sensor using machine learning algorithms for predicting the water quality of an onsite wastewater treatment system. ACS Environmental Au. In press. DOI: 10.1021/acsenvironau.2c00072
  2. Watabe, S., Lohman, H.A.C., Morgan, V.L., Rowles, L.S., Stephen, T., Shyu, H.Y., Bair, R.A., Castro, C.J., Cusick, R.D., Yeh, D.H., Guest, J.S. (2023). Advancing the economic and environmental sustainability of the NEWgenerator™ non-sewered sanitation system. ACS Environmental Au. In press. DOI: 10.1021/acsenvironau.3c00001
  3. Castro, C.J., Shyu, H.Y., Hoque, B., Yeh, D.H. (2023). Evaluating the use of chemically modified clinoptilolite zeolite for the simultaneous recovery of ammonium and phosphate from blackwater. Environmental Science: Water Research & Technology, 2023(9), 818-832. DOI: 10.1039/D2EW00753C
  4. Castro, C.J., Taha, K., Kenney, I., Yeh, D.H. (2022). The role of carbon to nitrogen ratio on denitrifying biocathodes for decentralized wastewater treatment. Water, 14(19), 3076, DOI: 10.3390/w14193076
  5. Shyu, H., Bair, R., Castro, C.J., Xaba, L., Degaldo-Navarro, M., Sindall, R., Cottingham, R., Uman, A.E., Yeh, D.H. (2021). The NEWgenerator non-sewered sanitation system: Long-term field testing at an informal settlement community in eThekwini municipality, South Africa. Journal of Environmental Management, 296(2021), 112921 DOI:10.1016/j.jenvman.2021.112921
  6. Castro, C. J., Shyu, H., Xaba, L., Bair, R., Yeh, D.H. (2021). Performance and onsite regeneration of natural zeolite for ammonium removal in a field-scale non-sewered sanitation system. Science of the Total Environment, 776(2021), 145938 DOI:10.1016/j.scitotenv.2021.145938
  7. Castro, C. J., Srinivasan, V., Jack, J., Butler, C.S. (2016). Decentralized wastewater treatment using a bioelectrochemical system to produce methane and electricity. Journal of Water Sanitation and Hygiene for Development, 6(4), 613-621, DOI: 10.2166/washdev.2016.190
  8. Castro, C.J., Goodwill, J.E., Rogers, B., Henderson, M., Butler, C.S. (2014). Deployment of the microbial fuel cell latrine in Ghana for decentralized sanitation. Journal of Water Sanitation and Hygiene for Development, 4(4), 663-671, DOI:10.2166/washdev.2014.020

Theses

  • Castro, C.J. (2014). The green latrine: development of a large scale microbial fuel cell for the treatment of human waste in developing areas. Masters Reports. 68. doi: 10.7275/BEX1-WD44

Conference Proceedings and Abstracts

  1. Shyu, H.Y. Castro, C.J., Hoque, B., Bair, R., Xaba, L., Ndwandwe, B. Mutsakatira, E. Cottingham, R. Yeh, D.H. Towards meeting ISO 30500 effluent phosphorus criteria for onsite wastewater treatment by non-sewered sanitation systems (NSSS). National Onsite Wastewater Recycling Association Mega Conference. Springfield, MO. Nov. 2022.
  2. Bair. R., Castro, C.J., Shyu, H.Y., Yeh, D.H. Automation in onsite systems: Progress, future, and classification system. National Onsite Wastewater Recycling Association Mega Conference. Springfield, MO. Nov. 2022.
  3. Shyu, H.Y. Castro, C.J., Bair, R., Xaba, L., Yeh, D.H. Onsite water Reuse field testing at an informal settlement community. WaterReuse Symposium. San Antonio, TX. March, 2022.
  4. Bair, R., Castro, C.J., Shyu, H.Y., Xaba, L., Yeh, D.H. NEWgeneratorTM: Field Tests of an Off-grid Non-Sewered Sanitation System for developing countries and remote locations. National Onsite Wastewater Recycling Association Mega Conference. San Marcos, TX. October 2021.
  5. Vasquez, A.*, Castro, C.J., Yeh, D.H. Capacitive Deionization for Wastewater Nutrient Recovery. USF Undergraduate Research Summer Symposium. Tampa, FL. July 2019.
  6. Castro, C.J., Taha, K.*, Yeh, D.H. Bioelectrochemical denitrification: Mass Transport Limitations. Association of Environmental Engineering and Science Professors Annual Conference, Tempe, Arizona. May 2019.
  7. Taha, K.Z.*, Castro, C.J., Kenney, I.A.*, Yeh, D.H. Bioelectrochemical system (BES) design for nitrogen removal in decentralized anaerobic membrane bioreactor (AnMBR) Technology. Florida Water Resources Conference, Tampa, FL. April 2019.
  8. Castro, C.J., Taha, K.*, Yeh, D.H. Bioelectrochemical denitrification: limitations for scale-up. American Chemical Society Annual Conference, Orlando, FL. April 2019.
  9. Delgado-Navarro, M., Bair, R., Xaba, L., Shyu, H., Calabria, J., Castro, C., Long, P., Sindall, R., Cottingham, R., Buckley, C., Yeh, D.H. Durban field test of an off-grid anaerobic membrane bioreactor for onsite sanitation and water recycling. Fecal Sludge Management Conference, Durban, South Africa. February 2019.
  10. Butler, C., Clasby, D., Srinivasan, V., Castro, C., Sathymoorthy, S. Direct Electricity Generation from Biosolids using a Hybrid Fermentation-Bioelectrical System. New England Water Environment Association Annual Conference, Boston, MA. January 2017.
  11. Castro, C.J., Srinivasan, V., Jack, J., Butler, C. Evaluating the Robustness of Anode-respiring Biofilms: The Feasibility of Using Nitrate as an Inhibitor of Methanogenesis. WEFTEC, New Orleans, LA. September 2016.
  12. Castro, C., Vargas, I., Butler, C. Azufre River Sediments as an Inoculum for MFCs: Boon or Bane? New England Graduate Student Water Symposium. Amherst, MA. September 2015.
  13. Rojas, C., Tapia N., Anguita, J., Castro, C., Vargas, I. T. Microbial Fuel Cells (MFCs): Una Nueva Tecnologia Para el Desarollo Urbano Sustenable. Second International CEDEUS conference. Concepcion, Chile. March 2015.
  14. Castro, C., Butler, C. Microbial Fuel Cell for Nutrient and Organic Removal from Domestic Waste on Cape Cod. Smarter Cape Cod Economy Summit, Harwich, MA. May 2014.
  15. Castro, C., Butler, C. Large Scale Microbial Fuel Cell for Organic and Nitrogen Removal from Synthetic Human Waste. North American Meeting of the International Society of Microbial Electrochemical Technologies, State College, PA. May 2014.
  16. Castro, C., Butler, C. The MFC Latrine: Electricity-yielding, Decentralized Wastewater Treatment for Rural Areas. New England Water Environment Association Energy and Sustainability Joint Specialty Conference, Sturbridge, MA. May 2014.
  17. Srinivasan, V., Castro, C., Weinrich, J., Butler, C. Wastewater Treatment and Bioelectrochemical Systems. Joint NSF-GOI Workshop on Implementation of Sustainable Technologies for Water/Wastewater Treatment and Water Reuse, Chennai, India. January 2013.
  18. Castro, C., Goodwill, J., Butler, C. Decentralized Organic and Nitrogen Removal from Domestic Waste in Rural Ghana with a Microbial Fuel Cell. New England Water Environment Association Annual Conference, Boston, MA. January 2013.
  19. Castro, C., Goodwill, J., Rogers, B., Henderson, M., Butler, C. Decentralized Organic and Nitrogen Removal from Domestic Waste in Rural Ghana with a Microbial Fuel Cell. Fecal Sludge Management Conference, Durban, South Africa. November 2012.
  20. Castro, C., Goodwill, J., Butler, C. Development of the First Microbial Fuel Cell Composting Latrine. WEFTEC, New Orleans, LA. October 2012.
  21. Castro, C., Goodwill, J., Butler, C. Decentralized Organic and Nitrogen Removal from Domestic Waste in Rural Ghana with a Microbial Fuel Cell. North American Meeting of the International Society of Microbial Electrochemical Technologies, Ithaca, NY. October 2012.