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When you think about the variety of materials that enter the wastewater system from a typical home, the list is diverse and extensive: wastes from toilets; soap, detergents, and cleaning products from drains and washing machines; food items from garbage disposals – all along with large quantities of water. How is this material removed so that the water may be safely returned to the environment and possibly utilized again by other people downstream?

Sewage treatment is the process of removing contaminants from the wastewater and household sewage. It includes physical, chemical and biological process to remove physical, chemical and biological contaminants. The objective of sewage treatment is to produce a disposable effluent without causing harm to the surrounding environment and prevent pollution.

Hazardous wastes pose a potential threat to the society as they are very harmful. Most of the Hazardous wastes are disposed as they can cause health issues but few wastes can be recycled. Lead-acid batteries or electronic circuit boards and convert them into easier-to- dispose solids, or they could be used as pavement filling. Such treatments reduce the level of threat of harmful chemicals.

The effluent treatment plant is designed to treat the effluent coming from different areas of the plant. The treatment of effluents varies with the type of effluents; they can be Oily Water Effluent Treatment, Service Water Effluent Treatment, and Sludge Handling System etc.

Desalting device essentially separates saline water into two streams: one with a low concentration of dissolved salts (the fresh water stream) and the other containing the remaining dissolved salts (the concentrate or brine stream). There are various desalination processes such as:
Multi Stage Flash Distillation (MSF), Multiple Effect Distillation (MED), Vapor Compression Distillation (VC), Membrane, Reverse Osmosis (RO), Electrodialysis (ED).

Medical wastes are a type of Hazardous waste and hence they should be properly managed and disposed or they can cause health threats. To protect the public and the environment from potentially infectious disease causing agent The Government of India has promulgated the Biomedical Waste (Management and Handling) Rules 1998. They are applicable to all persons who generate, collect, receive, store, transport, treat, dispose or handle biomedical wastes. This includes hospitals, nursing homes, clinics, dispensaries, veterinary institutions, animal houses, pathological laboratories and blood banks.

Wastewater treatment: Go for it!

Wastewater treatment is a very important practice. But do you know what exactly wastewater is? To be very simple, wastewater is nothing but used water. It comes from households, from the bathrooms, toilets, sinks, dishwashers and also from various industries and businesses.

The wastewater may contain all sorts of substances like chemicals, oil, food scraps and various other things and these can be very harmful for the environment. So it is necessary to treat this wastewater before we release it back to the environment. This not only saves the environment but is also a step to take care of our own health.

The wastewater has negative impacts on human health and the environment. Effects of wastewater are not just a few. Wastewater will directly have an effect on the fishes. Wildlife population may also be hampered. Drinking water can get contaminated. Wastewater contains various metals such as mercury, arsenic and cadmium which have chronic effects on species.

It also contains decaying organic matters. This will take up the dissolved oxygen in the water bodies such as river, sea or lake and create a threat to the existence of the biotic species. Eutrophication can be caused by the nitrogen and phosphorous content and many other substances can impose threat on human life also.

With the advancement of time and technology, different methods are being introduced for better wastewater treatment. So, wastewater treatment should be taken up more seriously. This will help you to have a friendly environment to live in.

Advantages of Renewable Energy

There are many advantages of renewable energy that you might consider if you have high electric bills or if you would like to find a way that you can do your part in saving the earth. These advantages include going green, saving money, eliminating dependence on none renewable sources, and much more.

You can save a tremendous amount of money in the long run. Although you may think that installing solar panels or LED bulbs in your home is expensive in the long run you begin to absorb the costs and see a lower monthly usage and hence lower costs. This means that your electricity bills are significantly lower and next to nil for some people who have a low usage. LED bulbs can last for up to 200,000 hours which is almost 10 times the life of a traditional bulb or more in some cases. Not only do they last longer but they put out more light and use less electricity when they are in use. This means leaving the lights on when using LED bulbs will not cost you as much on your bill as much as traditional bulbs. Just putting them in your kids’ rooms alone can show you a big difference in cost.

Going green is one of the biggest reasons that people are switching to renewable energy sources for their energy needs. This is one of the biggest advantages of renewable energy in that more than just the person using it can benefit from. This type of energy emits very little or no pollution into the air. This not only helps save the environment but helps you do your part in going green and fighting against global warming.

Many people do not realize that it is possible to use renewable energy such as solar power and wind power to generate enough electricity so that you could save as much as 80% of your normal electricity costs, in fact in some cases it is even possible to generate so much electricity that your are able to sell it back to the power company.