Quantitative evaluation of treatment processes and mechanisms of organic matter, phosphorus, and nitrogen removal in a multi-soil-layering system

摘要: The water treatment performance of multi-soil-layering (MSL) systems has been mainly evaluated by measuring differences in the quality wastewater and treated water. Changes inside system have not assessed together with movement. In this study, therefore, quantitative evaluation processes MSL was conducted using laboratory-scale systems, which were set up 10 cm (depth) × 50 cm (width) × 23–73 cm (height) acrylic boxes enclosing “soil mixture blocks” alternating permeable zeolite layers. Six consisting one to six soil layers (SML) constructed, from SML between (PLb) collected separately at bottom each system. order determine system, wastewater, mean concentrations biological oxygen demand (BOD) 28.1 mg L−1, chemical (COD) 65.7 mg L−1, total nitrogen 9.8 mg L−1, p...