Fields of work

Water-waste-energy nexus in urban areas
Sustainable and circular resource management
Sustainability assessment

Current projects

PhD Dissertation project on sustainable and circular water-waste-energy nexus in Latin America.

Professional background

2019 - 2020	Project leader Phosphorus-Recycling Baden-Württemberg at the German Association for Water, Wastewater and Waste (Stuttgart)
2017 - 2018	Intern and Research assistant at Fraunhofer Institute IGB – Sustainable nutrients recycling (Stuttgart)
2017	Research assistant at Fraunhofer Institute IBP – Life Cycle Engineering GaBi (Stuttgart)
2015 - 2018	Master’s degree (M.Sc.) Air Quality Control, Solid Waste and Wastewater Process Engineering at University of Stuttgart (Germany)
2013 - 2015	Health safety & environment supervisor at KMMP Peru S.A (Peru)
2012 - 2013	Environmental engineer at CONCAR S.A. (Peru)
2011	Environmental assistant at MINPETEL S.A (Peru)
2005 - 2010	Bachelor’s degree (B.Sc.) Environmental engineering at the University Agraria La Molina (Peru)

Publications

2025

Journal Articles

Bolivar, V.; Poganietz, W.-R.; Fröhling, M.
Advancing circularity in a Chilean neighborhood through the water-waste-energy nexus: A stakeholder analysis
2025. Resources, Conservation and Recycling, 212, 107986. doi:10.1016/j.resconrec.2024.107986

2024

Journal Articles

Rodríguez-Castillo, M.; Balsebre, N.; Bolivar-Paypay, V.; Poganietz, W.-R.; Prieto, A. L.
Sustainability assessment of a sequential anaerobic-algal membrane bioreactor for wastewater reuse
2024. Sustainable Production and Consumption, 49, 104–114. doi:10.1016/j.spc.2024.06.017

Presentations

Bolivar Paypay, V.; Poganietz, W.-R.
Coupling stakeholder analysis with the development of a circular Water-Waste-Energy management System: First insights of a study case from Chile
2024. 16th Biennial International Conference on EcoBalance (2024 2024), Sendai, Japan, November 3–7, 2024

2023

Journal Articles

Rodríguez-Castillo, M.; Bolívar-Paypay, V.; Poganietz, W.-R.; Prieto, A. L.
Indicators for the sustainability assessment of MBR technologies for wastewater reuse in Chile: The good, the bad, and the ugly
2023. MethodsX, 10, Art.-Nr.: 102111. doi:10.1016/j.mex.2023.102111

Presentations

Bolivar Paypay, V.; Suryandari, D.; Gallardo, J. P.; Fuss, M.; Poganietz, W.-R.
Investigating sustainable alternative sanitation systems through the lens of the Water-Wastewater-Waste-Energy-Food Nexus in Chilean and Indonesian communities
2023. 11th International Conference on Industrial Ecology (ISIE 2023), Leiden, Netherlands, July 2–5, 2023

2022

Presentations

Gallardo Gonzales, G. P.; Mejías, J. P.; Vergara Araya, M.; Bolivar Paypay, V.; Chamy Maggi , R.; Poganietz, W.-R.
Lifecycle costing of a separated wastewater system in Placilla de Peñuelas, Chile
2022. 37th International Conference - Congreso Interamericano Ingeniería Sanitaria y Ambiental (AIDIS 2022), Punta Cana, Dominican Republic, November 13–17, 2022