SEWAGE TREATMENT
Septic Tank or Sewage Treatment Plant: How to Choose?
OVERVIEW
If your home isn’t connected to a main sewer, the sewage you produce has to be treated on-site using a septic tank or sewage treatment plant. Domestic sewage includes effluents from toilets, sinks, showers, baths, washing machine and dishwasher. It doesn’t include water from roof or gutter.
Both systems have their own advantages. In order to help you make your choice between a septic tank or sewage treatment plant, we are going to give you a list of their features and benefits.
HOW DOES A SEPTIC TANK WORK?
A septic tank is a big chamber where the sewage from your house is treated. In fact, the sewage enters the tank with gravity where the solids drop to the bottom of the tank forming the sludge. A small amount of anaerobic breakdown occurs at this stage.
The liquid effluent is then discharged to a specially designed percolation area where the final treatment of the leftover sewage occurs. The effluent coming out of septic tanks requires further treatment before being released into the environment. Therefore, all septic tanks require either a percolation area or a secondary treatment plant such as a Puraflo.
How does a sewage treatment plant work?
A package sewage treatment plant is a viable alternative to a traditional septic tank. As with a septic tank, the sewage enters the unit and the sludge settles to the bottom; the plant then treats the effluent.
Depending on the type of domestic sewage treatment plant needed, we can require an additional chambers for the treatment to occur. We use diffusers to supply enough air/oxygen for the bacteria to feed on waste, ensuring anaerobic breakdown of the solids more thorough than with a septic tank. This leads to a higher treatment efficiency compared to a traditional septic tank.
Indeed, the effluent coming out from a Tricel sewage treatment plant is 95% clean or higher. Depending on your soil and the percolation test results the effluent from a sewage treatment plant is discharged directly into a small percolation area. A minimal percolation area is still required as the final part of the treatment of effluent before being discharged to groundwater.
Septic tank or sewage treatment plant: Key features & Benefits
Above everything else, all our units are tested to the highest quality standards. Our septic tanks comply with the CE certification EN 12566-1 and our sewage treatment plants comply with the CE certification EN 12566-3.
Moreover, we supply a large range of septic tanks or sewage treatment plants. Different sizes are available.
When choosing the size of the tank, it’s always recommended to round up the tank size required. If the tank is too small, your sewage treatment system will suffer as a result. If insufficient settlement time occurs, small suspended solids might block your soakaway. In which case, you will have to replace it or convert to a new sewage treatment unit.
Please find below a tank size calculator to help you make the right decision:
Furthermore, our septic tank or sewage treatment plant can be easily transported and installed as they are low-profile, compact and lightweight thanks to their unique material. This definitively reduces the cost in terms of installation and transportation.
Besides, as our sewage treatment systems are manufactured from SMC (Sheet Moulding Compound), they are really reliable and have unrivalled strength and durability. Likewise, Tricel’s ceramic diffuser present in Tricel Novo plants will last twice as long as all standard competitors’ rubber equivalents.
Therefore, this saves money in both call out fees and repair costs.
Having over 40 years in business and currently treating over 30 million litres of sewage per day, we are the leaders in the sewage treatment market.
Septic tank or sewage treatment plant – Who can advise you?
Following a site assessment, recommendations will be made as to which system – a septic or sewage treatment plant – is more suitable for your project.
Contact our technical sales team today to book a site visit and discuss your project further!
It’s also important to note that both septic tanks and sewage treatment plants require emptying also known as desludging. The frequency of which will vary depending on size and usage. So don’t forget to check your unit from time to time!
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Extensive industry experience, manufacturing since 1973.
Tricel manufacture deliver & install sewage treatment plants across a wide range of industry sectors throughout Ireland & the UK. The company also provides import/export services for our international clients. Top quality material offers outstanding capabilities including long life, durability and is a cost-effective solution for sewage treatment even in the harshest environments.
Tricel has installed many of its Tricel Novo Sewage Treatment Plants across the UK.
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