Vu Thi Minh Chau*, Nguyen Trong Hiep and Le Thu Thuy 2022. Research on the treatment of rice paper processing wastewater on a household scale by Upflow sludge blanket filtration model. Version B of Vietnam Journal of Science and Technology. 64, 6 (Jun. 2022). DOI:https://doi.org/10.31276/VJST.64(6).53-57.