Skip to main content

A Big Step Towards Cleanliness And Hygiene

Sewage is a water-carried waste, in solution or suspension, that is intended to be removed from a specific place.  It consists mostly of grey or black water. It is characterized by rate of flow, physical condition, chemical and toxic constituents and its bacteriologic status.
Types of sewage
·         Domestic/sanitary sewage: The wastewater from residences and institutions, carrying bodily wastes, washing water, food preparation wastes, laundry wastes, and other waste products of normal living.
·         Commercial wastes: Liquid-carried wastes from stores and service establishments serving the immediate community.
·         Surface run-off: is that portion of precipitation that runs rapidly over the ground surface to a defined channel.
Types of pollutants
Organic pollutants and nutrients: sewage is a complex mixture of chemicals, with distinctive chemical characteristics. These include high concentrations of ammonium, nitrate etc. Sewage also contains the nutrients nitrogen and phosphorus.
Pathogens and micro-pollutants: Sewage can be monitored for both disease-causing and benign organisms with a variety of techniques. Traditional techniques involve filtering, staining, and examining samples under a microscope.It is highly essential to eliminate sewage from our surrounding to prevent all kinds of air and water borne diseases. To eliminate sewage, we need to undertake sewage treatment.
Sewage treatment is the process of removing contaminants from wastewater, primarily from household sewage. It includes physical, chemical, and biological processes to remove these contaminants and produce environmentally safe treated wastewater.
Treatment includes three stages;
Primary treatment: consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface.
Secondary treatment: removes dissolved and suspended biological matter. Secondary treatment is typically performed by indigenous, water-borne micro-organisms in a managed habitat. Secondary treatment may require a separation process to remove the micro-organisms from the treated water prior to discharge or tertiary treatment.
Tertiary treatment: Treated water is sometimes disinfected chemically or physically prior to discharge into a stream, river, bay, lagoon or wetland, or it can be used for the irrigation of a golf course, green way or park. If it is sufficiently clean, it can also be used for groundwater recharge or agricultural purposes.
With suitable technology, it is possible to reuse sewage effluent for drinking water, although this is usually only done in places with limited water supplies.
Lashari group is highly proficient in providing sewage cleaning along with some additional services. To know more about our services, visit our website at www.lasharigroup.com



Labels:

Comments

Post a Comment

Popular posts from this blog

Types of maintenance works for a durable building

Lashari Group is offers excellent building maintenance works that helps keep your office spaces and other commercial spaces neat, tidy and free of germs There are various kinds of building maintenance works done for strongly built structures. These building support works with special treatments are discussed below. The good state of the building is ensured by appropriate building support. Intermittent treatments like whitewashing or painting at specific interims must be done. Certain building maintenance works, major or minor should be done every so often for the best possible existence of the building. Execution and services given by the building are not just expected at the beginning stages of building, yet additionally all through the normal age of the building. For which fundamental upkeep is essential. As we have caught wind of the proverb, "Prevention is superior to cure". Here we can state, "Upkeep is superior to cure". Kinds of Bu...
Post a Comment
Read more

Things to keep in mind before starting with house construction

Our construction contractors at Lashari Group offer professional help ease your construction woes., Get in touch with us today to know more about us! Before anybody can participate in house construction, there are a few elements they have to pay special attention to. Some of these elements will either decide if you really build the correct house or you build the wrong house. They will likewise decide whether you, in the long run need to smile about your construction or whine. Pick the Right Spot You don't simply choose to go about house construction without becoming more acquainted with where precisely you will do the construction. The principal thing you have to think about construction of houses is that the correct piece of land will most likely put you a stage ahead in the offer to have a pleasant house. In the event that you are setting up a private house, you have to know the kind of neighborhood you are setting up the house in. You should make sure that ...
Post a Comment
Read more

Is your drinking water safe?

Water is a pure form of liquid available on earth for drinking purposes. Significantly it is not only used for drinking but also for other activities. Water is a transpare nt, colorless liquid which serves as the main constituent of about 70% of the earth. It is available in three states, solid as ice, liquid as water and gas as water vapor. It is the most essential form of liquid required not only by humans but by every organism living on this planet. Water on earth continuously moves through cycle of evaporation and condensation. Since every organism is greatly dependent on water to live we all need to ensure the water we consume is safe for drinking. Be it tap water or bottled water every type has contaminants in them. The water available in the water tap is treated at water treatment plants.it is purified according to certain regulations and then sent to each one’s tap. After all this there are still harmful contaminants present in water. The contaminants can be anything fr...
Post a Comment
Read more