Are you tired of an infected sewage unit? Consider installing a sewage treatment plant. Understand this as similar to how your water filter cleans your drinking water, a sewage treatment plant process removes harmful contaminants and pollutants from the wastewater.
In the absence of a sewage treatment plant purpose, the contaminated sludge will leach into the environment and contaminate the entire ecosystem. In true essence, sewage treatment plants act as secret guardians of our water resources. Let us walk you through the STP plant process in this insightful blog.
What is Sewage?
You might have come across sewage cleaning near your house and must have faced a number of concerns, such as unwanted bustle, poor odour and sometimes, shortage of water. Simply put, sewage is basically water by weight. Here, the weight refers to organic and inorganic solids from diverse establishments such as commercial or industrial premises. This wastewater sewage can destroy aquatic life as well as human health. This is where the sewage treatment plant purpose comes into the picture.
Sewage is wastewater that originates from household sources such as sinks, toilets, showers, and washing machines. The presence of sewage can lead to severe environmental damage if not treated properly by a sewage water treatment process. Untreated sewage can cause huge consequences such as water contamination and dangerous illnesses. Want to get rid of sewage wastewater near your house? Lean on a sewage treatment company like ours at Vulture Innovations.
What is a Sewage Treatment Plant?
There’s no second thought in saying that we all consume and bathe in recycled water. The water we freely flush down is turned into potable water through a sewage water treatment process to make it fit for human livelihood or release into rivers and oceans without harming the aquatic life. In general, wastewater from sinks, baths, and washing machines has to go somewhere. The job of sewage treatment plants is to collect, treat and release wastewater.
Wondering what sewage treatment plant purpose can do? They are an essential aspect of sanitation and water infrastructure and can be installed to collect wastewater from domestic or commercial properties and then get treated to remove contaminants and purify organic material.
A Step-by-Step Guide to Sewage Treatment Plant Process
A sewage treatment plant flows wastewater through multiple treatment stages which, together, perform with a purpose. Scroll down to look into the four important stages of the STP plant process:
1. Preliminary Treatment
This is the first and foremost stage of the sewage treatment plant process. Here, the sewage enters the water network that is pushed through various screens to remove large solids and waste including grit removal. The main job within this stage is to separate sewage debris, grit and large particles.
2. Primary Treatment
The second stage, known as the primary stage is the initial phase of the sewage treatment process and emphasises removing larger solid particles and heavy rocks from the wastewater. The sub-processes that are undertaken in the primary treatment are:
- Screening: During screening, wastewater is passed through screens to eliminate the large debris such as sticks, plastics and other solids.
- Sedimentation: The screened wastewater is then released into larger tanks which is followed by settling down of heavier solids to the bottom. After that, a sludge layer is created which is removed for further treatment periodically.
3. Secondary Treatment
Post the primary treatment, the partially treated wastewater undergoes secondary treatment for further purification. This stage focuses on eliminating organic matter and other chemicals. Secondary treatment generally requires biological processes and aeration. Here’s how it works.
- Aeration: The wastewater is combined with air to increase the growth of beneficial microorganisms, such as bacteria. These microorganisms digest the organic matter in the sewage by converting it into harmless byproducts like carbon dioxide and water.
- Clarification: After aeration, the sewage is directed to settling tanks where the activated sludge, settles out. This process produces a clearer liquid effluent.
4. Tertiary Treatment
Wastewater is considered clean effluent after secondary treatment, but tertiary treatment returns it to an even higher quality for release in protected waters. The type of tertiary treatment depends on the level of wastewater. For instance, suppose we should release wastewater into bathing. In that case, it requires disinfection, and nutrients in the water must also be removed. Some types of tertiary treatment include:
- Microfiltration is where water passes through tiny holes at high pressure.
- Ion exchange, where ions in the water are exchanged.
- Activated carbon adsorption, which removes organics.
- Disinfection, where UV light kills organic effluent leftover.
Why is the Sewage Treatment Process Important?
The importance of the sewage treatment process goes beyond words. It is beneficial in ways that we can’t deeply incur. Rest assured, below, we have compiled some points to highlight the significance of a sewage treatment plant:
1. Prevents Pollution
As time flies, there have been several advancements in the sewage treatment plant process. With the world getting bigger, the demand for clean water is increasing at a high rate. Natural sources like rivers, wells and groundwater are filled with pollutants lately, which is not only harmful to the aquatic world but also negatively contributing to sustainable development. Unfortunately, the availability of these precious resources is decreasing. However, with sewage treatment plants, we are heading towards saving the environment for good.
2. Reuse of wastewater in various activities
As the shortage of water intake increases, it calls for finding ways to clean the used water and reuse it. The sewage treatment plants allow the wastewater from household and industrial sewage to be cleaned and reused. The Clean rainwater can be used in irrigation, cleaning work (roads, vehicles, and trains), horticulture, toilet flushing, firefighting, and industrial cooling.
Final Thoughts on the STP Plant Process
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FAQs on the Sewage Treatment Process
Q: How does the sewage treatment plant work?
A: The sewage treatment plants use a series of physical, chemical, and biological processes to remove pollutants from wastewater and produce a cleaner sludge.
Q: What are the four stages in the sewage treatment plant process?
A: The four stages in the sewage water treatment process are Preliminary, primary, secondary and tertiary treatment.
Q: Can treated sewage water be reused?
A: Yes, treated sewage water can be reused for a variety of purposes including, irrigation, street cleaning, fire fighting, landscaping and more.
