Vermifilter(VF)被认为是农村地区的可持续发展;然而,过滤介质是最重要的,但已探索较少。这项研究评估了使用各种过滤介质处理生活污水(DWW)的驱虫性能,包括槟榔果壳(AS),稻草(RS),干叶(DL),和鸡蛋壳(ES)。我们将结果与四个不同的反应器进行了比较:R1(AS),R2(RS),R3(DL),和R4(ES)。DWW以1m3/m2/d的水力负荷率(HLR)与Eiseniafetidaearth物种一起使用。结果表明,生化需氧量(BOD)的去除率为82%,76%,73%,和87%;化学需氧量(COD)减少75%,73%,72%,和88%;磷酸盐增加36%,25%,27%,和50%;硫酸盐减少56%,54%,53%,和71%分别在R1、R2、R3和R4中。同时,R4经历了总细菌的五倍减少和总大肠杆菌的六倍减少。此外,最特殊的过滤介质是对蚯蚓的生长和处理功效的蛋壳。
Vermifilter (VF) is considered sustainable for rural areas; however, filter media is the most important but has been explored less. This study evaluated the performance of vermifilters in treating domestic wastewater (DWW) using various filter media, including areca nutshell (AS), rice straw (RS), dry leaves (DL), and chicken eggshells (ES). We compared the results with four different reactors: R1 (AS), R2 (RS), R3 (DL), and R4 (ES). DWW was applied with a hydraulic loading rate (HLR) of 1 m3/m2/d with Eisenia fetida earthworm species. The results showed the removal of biochemical oxygen demand (BOD) by 82%, 76%, 73%, and 87%; chemical oxygen demand (COD) by 75%, 73%, 72%, and 88%; phosphate by 36%, 25%, 27%, and 50%; sulfate by 56%, 54%, 53%, and 71% in R1, R2, R3, and R4, respectively. Simultaneously, R4 experienced a fivefold reduction in total bacteria and a sixfold reduction in total coliform. Moreover, the most exceptional filter media for vermifiltration is eggshells for the earthworm\'s growth and treatment efficacy.