The complete guide for the ventilation of a septic pit

In each house, the hygienic -health system is essential to guarantee a healthy and comfortable environment. Settic Tank plays a key role in the treatment of domestic waste water, but poor design or insufficient maintenance can cause problems such as bad smells, repressions of sewage and even health risks.

To work well, a septic pit must be correctly ventilated. This article explains in detail How to guarantee good ventilation of your septic pit.

Principle of operation of a septic pit

Before talking about ventilation, we must understand the principle of managing a septic pit. This device allows you to treat domestic waste water in two distinct phases:

1. Decantation: Solid materials separated from the liquids and are retained at the bottom of the tank, thus forming a mud. The latter is then degraded by anaerobic bacteria.
2. Biological purification: The refined waters, called effluent, pass through a natural filter made up of gravel and sand before being rejected in the environment.

So that this process can take place correctly, it is recommended to maintain a Bacterial balance Within the septic pit. To this end, it is necessary to guarantee sufficient air circulation to promote the release of gases produced by bacteria during the treatment of waste water.

Video explanation: what you need to know about the septic pit

We immerse ourselves in the universe of the functioning and maintenance of a septic pit.

Why ventilate your septic pit?

The ventilation of a septic pit has several advantages:

• Elimination of bad smells: The ventilation system allows the evacuation of stinking gases produced during the degradation of solid materials, thus avoiding their stagnation and propagation at home.
• Maintain bacterial balance: A good intake of oxygen promotes the development of anaerobic bacteria responsible for the deterioration of sludge, guaranteeing optimal functioning of the septic pit.
• Risk prevention for health: Poor ventilation can lead to the formation of dangerous gas such as carbon dioxide (CO2) or hydrogen sulphide (H2S), causing respiratory problems or even poisoning.
• Environmental protection: Thanks to good ventilation, polluting gas emissions are reduced and the quality of the effluent treated has improved, thus reducing the risk of soil pollution and aquifers.

Types of ventilation for a septic pit

There are two main types of ventilation for a septic pit:

1. Primary ventilation: Also called high ventilation, it consists in the installation of a vertical ventilation duct that starts from the top of the septic fossa and rises above the roof of the building. This fireplace guarantees the evacuation of stinking gases by diluting them in the atmosphere. The diameter of this tube must be adapted to the size of the septic pit. It is essential to carefully plan your position to ensure maximum efficiency, and this can include considerations such as the layout of a park or a garden around the septic pit to minimize disorders.
2. Secondary ventilation: Also known as low or buried ventilation, it is generally consisting of a network of perforated pipes that wind around the septic pit. The purpose of this ventilation is to promote the entry of fresh air into the tank to maintain a good bacterial balance. The pipes must be positioned at a minimum depth to avoid the infiltration of the water, but make sure not to connect the holes to the earth during installation.

The two types of ventilation are often used jointly to guarantee an efficient and unhappy system of smell. It is still necessary to consult a professional before performing any installation to choose the most suitable solutions to your situation.

Key elements for a good seventh pit ventilation

To ensure effective ventilation of your septic pit, it is necessary to consider several elements:

Positioning of ventilation ducts

The position of the ventilation pipes is of great importance to avoid problems of smell. Primary ventilation ducts must be positioned as higher as possible, ideally above the roof crest, while those of secondary ventilation must be buried and browse the entire perimeter of the septic pit.
It is also important to keep the air inputs and the output points away to minimize the air flows stanching.

Perfect seal

An effective ventilation system is based on the optimal sealing of connections and arrived between the different elements. Make sure that all connections are well regulated and check the conditions of the joints regularly to detect any losses or infiltrations.

Suitable materials

The ducts and fittings used for the ventilation system must be resistant to corrosive gases, slightly flexible and durable to guarantee the longevity of the installation. The most commonly used materials for this use are PVC, polyethylene or even stainless steel.

Regular maintenance

As with all hygienic -sanitary devices, the maintenance of the ventilation system is essential to ensure proper functioning. It should be verified regularly that the ducts are not obstructed by debris, dead leaves or birds of birds and cleaning the interior, if necessary, suitable brushes.

In summary

The ventilation of a septic pit guarantees a healthy environment without bad smellswhile optimizing the treatment of waste water and preserving our environment. To fully exploit these advantages, it is advisable to follow the different steps presented in this complete guide, taking care to treat technical details and choose quality materials. Do not hesitate to call a professional to perform this important installation.