Sewage Treatment Terminology Explained A-Z Part 4; F to K; Ferric Sulphate to Kjeldahl Nitrogen

Welcome to our education blog explaining terms used in sewage treatment from A-Z. Part 4 is from Ferric Sulphate to Kjeldhal Nitrogen.

In Part 4 of our series explaining terms/jargon/terminology used in the area of sewage or wastewater treatment, we review terminology beginning with 'F-K'.  The terms are; Ferric Sulphate (FeSO4), Final Effluent, Final Settlement Tank, Foul Sewage, Humus Tank, Influent & Kjeldahl Nitrogen.

22. FERRIC SULPHATE (FeSO4): A chemical that is dosed into SEWAGE Treatment Plants to reduce PHOSPHORUS levels.

23. FINAL EFFLUENT: The effluent discharged from a SEWAGE TREATMENT PLANT after all treatment has occurred.

24. FINAL SETTLEMENT TANK: See HUMUS TANK

25. FOUL SEWAGE: Untreated SEWAGE.

26. HUMUS TANK: A tank in which Humus (or settleable solids) is separated from the effluent flowing through it, which comes from the AEROBIC or BIOZONE stage of a Treatment System. AKA; SECONDARY SETTLMENT, FINAL SETTLEMENT OR CLARIFIER.

27. INFLUENT: Sometimes used to describe the effluent entering a SEWAGE TREATMENT PLANT i.e. RAW SEWAGE.

28. KJELDAHL NITROGEN: It is the total of organic and AMMONIA NITROGEN.

BMS Education Blog/Customer Questions section is also an excellent source of information on sewage treatment and its terminology.  More detailed explanations of parameters used to measure final effluent quality can be found by clicking on the links e.g. BODSSNH4NCOD & P.

The next article will explain terms/jargon used in sewage treatment from N to P; Nitrate to Primary Settlement Tank.

If you have any questions of would like information on package wastewater treatment products, please do not hesitate to contact us.

A bit about the company:

BMS is a quality manufacturer of package products for wastewater and stormwater treatment. BMS started in 1986 and has exported products to over 50 countries around the world.  It is a third generation family business with huge expertise in wastewater and stormwater.
BMS manufacture a full range of products for surface water and wastewater treatment including our pioneering next generation RBC system the Aerotor, which forms part of our world leading Blivet package sewage treatment plant, a ‘one stop shop’ for all surface water products from design to installation including attenuation, interceptors, holding tanks (incl. chemical resistant), hydrobrakes, rainwater harvesting tanks & vortex silt/oil/debris separators, fully fitted pumping stations, our plug & play vehicle wash water recycling system; the Recyclone and much more.  All BMS products manufactured in our ISO 9001 factory are made using solar energy from our own PV system. 

BMS also can provide a Free Design Service for Sewage Treatment, Pump Stations or Surface Water and a full O&M, Repair, Advice and Testing service for existing installations.  We also can do free CPD Presentations on Sewage Treatment/Surface Water Management at any location. 

We would be delighted to discuss any requirements you might have and we are available to meet you at your convenience.  Please do not hesitate to contact us.

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Sewage Treatment Terminology Explained A-Z Part 3; C to E; Clarifier to Eutrophication

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Sewage Treatment Terminology Explained A-Z Part 5; Nitrate to Primary Settlement Tank