International scientific cooperation: Michal Piasecki, Ph.D., from Czestochowa, was a key member of the research team, working with scientists from India on a new method of wastewater treatment . Development of an innovative photocatalyst: Pole co-invented a technology to produce acermanite from waste (rice husk ash and blast furnace slag), which decomposes permanent dyes in water when exposed to light . Publication of research results: The result of the work of Dr. Michał Piasecki and the Indian team is a scientific article published in the international journal Journal of Water Process Engineering .