Bai, Xi, et al. “Schmutzdecke Maturation and Layers’ Contribution to Bacterial Removal Performance in Slow Sand Filters for Drinking Water Production.” Water Research, vol. 298, 9 Mar. 2026, p. 125716, www.sciencedirect.com/science/article/pii/S0043135426003982, https://doi.org/10.1016/j.watres.2026.125716.
Wendt C, Ives R, Hoyt AL, Conrad KE, Longstaff S, Kuennen RW, Rose JB. Microbial removals by a novel biofilter water treatment system. Am J Trop Med Hyg. 2015 Apr;92(4):765-772. doi: 10.4269/ajtmh. 14-0001. Epub 2015 Mar 9. PMID: 25758649; PMCID: PMC4385770.
World Health Organization. “Water, Sanitation and Hygiene Burden of Disease.” Www.who.int, 2019, www.who.int/data/gho/data/themes/topics/water-sanitation-and-hygiene-burden-of-disease.
“UN World Water Development Report 2026.” UN-Water, 2026, www.unwater.org/publications/un-world-water-development-report-2026
Gerdes, Megan E., et al. “Estimating Waterborne Infectious Disease Burden by Exposure Route, United States, 2014.” Emerging Infectious Diseases, vol. 29, no. 7, 1 July 2023, pp. 1357–1366, www.ncbi.nlm.nih.gov/pmc/articles/PMC10310388/, https://doi.org/10.3201/eid2907.230231.
“Polypropylene (PP) Price Trend, Chart, Index and Forecast.” Imarcgroup.com, 2026, www.imarcgroup.com/polypropylene-pricing-report.
AdTech. “Ceramic Foam Filter Price 2026 - AdTech.” AdTech, 24 Dec. 2025, www.c-adtech.com/ceramic-foam-filter-price-2026/. Accessed 3 May 2026.