Wastewater treatment plants - Activated sludge processes Ingestion-build-73073 BS EN 16087‑1 describes a

BS EN 16087‑1 describes a method to determine the aerobic biological activity of growing media and soil improvers or constituents thereof by measuring the oxygen uptake rate (OUR)

An Ubbelohde type viscometer or suspended-level viscometer is a measuring instrument that uses a capillary-based method of measuring viscosity

Why should you use BS 4258-5 - Silica content of phosphoric acid for industrial use

ISO 1641-1 when used in conjunction with ISO 3338-1

ISO/TR 23276 provides an unambiguous algorithm for feature parameters PSm

Wastewater treatment plants - Activated sludge processes Ingestion-build-73073 BS EN 16087‑1 describes a1 Scope This European Standard specifies the performance requirements for treatment of wastewater using the activated sludge process for plants over 50 PT. Differences in wastewater treatment throughout Europe have led to a variety of systems being developed. This standard gives fundamental information about the systems; this standard has not attempted to specify all available systems. Detailed information additional to that contained in this standard