Subsequently, The PVAc undergoes a procedure often called alcoholysis (or hydrolysis) while in the presence of the Liquor and a powerful foundation or acid catalyst. The acetate teams within the PVAc are changed by hydroxyl teams, leading to the development of PVA. two) “PVA has lower degradation costs inside WWTPs https://www.tjcyindustrialchem.com/news/what-is-pva.html