5 On-Site Wastewater Treatment System Performance The EN 12566 series of standards consists of a number of parts – refer to Fig. 5.1 for their applications. The normative requirements of the standards, at the date of publication, have been incorporated into this CoP. A treatment system should meet the requirements of I.S. EN 12566-3:2005 and … Read more
5.1 Performance Standards I.S. EN 12566-3:2005 and prEN 12566-6 specify the test procedures to be followed in the measurement of a range of parameters relevant to treatment efficiency for packaged and/or site-assembled treatment plants and for prefabricated treatment units for septic tank effluent, respectively. These standards do not specify treatment efficiency to be achieved for … Read more
Wastewater Characteristics involved in Percolation Application For the purposes of this CoP, a single-house system refers to a system serving a dwelling house of up to 10 people with toilet, living, sleeping, bathing, cooking and eating facilities. The strength of the inflow in terms of biochemical oxygen demand (BOD) into an on- site system will … Read more
Definitions Activated sludge treatment: Activated sludge is a process in sewage treatment in which air or oxygen is forced into sewage liquor to develop a biological floc, which reduces the organic content of the sewage. Aquifer: Any stratum or combination of strata that stores or transmits groundwater. Bedrock: The solid rock beneath the soil and … Read more