Scholarlink

<p>Conventional disinfection techniques often rely on UV light or chemicals, both of which have environmental and health hazards. Accordingly, low-cost technologies for efficient wastewater treatment and disinfection are necessary for commercial use of the product. A moving bed biofilm reactor (MBBR), followed by a saturated sand filter (SSF), was designed, evaluated and established for the complete disinfection of Total Coliform (TC) from municipal wastewater. The MBBR was employed as a secondary treatment process followed by the SSF as tertiary treatment. The MBBR-SSF system reduced TC from 4.3 ± 0.2 log<sub>10</sub> CFU to 1.18 ± 0.97 log<sub>10</sub> CFU for 15&#xa0;L/d flowrate and from 4.50 ± 0.33 log<sub>10</sub> CFU to 1.37 ± 0.98 log<sub>10</sub> CFU for 30&#xa0;L/d flowrate, achieving reductions of 99.68% and 99.79%, respectively. Additionally, the MBBR-SSF demonstrated removal efficiencies of 95.07% for chemical oxygen demand (COD), 94.73% for biological oxygen demand (BOD₅), 79.78% for total organic carbon (TOC), 80.32% for total carbon, and 76.61% for total nitrogen (TN) at a 15&#xa0;L/d. For a 30&#xa0;L/d flow rate, the removal efficiencies were 87.86% for COD, 85.64% for BOD₅, 73.01% for TOC, 74.64% for total carbon, and 72.76% for TN. As a result, the MBBR-SSF system offers a renewable and viable way to enhance biological disinfection and effectively handle wastewater.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Biological disinfection of municipal wastewater using a moving bed biofilm reactor coupled with a saturated sand filter and its metagenomic insights

  • 期刊论文

  • 发表日期：

    2025年10月15日

查看全文
  • Sanam Prabhudesai,
  • Srikanth Mutnuri

摘要

Conventional disinfection techniques often rely on UV light or chemicals, both of which have environmental and health hazards. Accordingly, low-cost technologies for efficient wastewater treatment and disinfection are necessary for commercial use of the product. A moving bed biofilm reactor (MBBR), followed by a saturated sand filter (SSF), was designed, evaluated and established for the complete disinfection of Total Coliform (TC) from municipal wastewater. The MBBR was employed as a secondary treatment process followed by the SSF as tertiary treatment. The MBBR-SSF system reduced TC from 4.3 ± 0.2 log10 CFU to 1.18 ± 0.97 log10 CFU for 15 L/d flowrate and from 4.50 ± 0.33 log10 CFU to 1.37 ± 0.98 log10 CFU for 30 L/d flowrate, achieving reductions of 99.68% and 99.79%, respectively. Additionally, the MBBR-SSF demonstrated removal efficiencies of 95.07% for chemical oxygen demand (COD), 94.73% for biological oxygen demand (BOD₅), 79.78% for total organic carbon (TOC), 80.32% for total carbon, and 76.61% for total nitrogen (TN) at a 15 L/d. For a 30 L/d flow rate, the removal efficiencies were 87.86% for COD, 85.64% for BOD₅, 73.01% for TOC, 74.64% for total carbon, and 72.76% for TN. As a result, the MBBR-SSF system offers a renewable and viable way to enhance biological disinfection and effectively handle wastewater.