Eco-friendly Technology

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 Eco-friendly Technology

We are degrading the environment by the day. Yes, you read that right! Aware individuals are now taking baby steps to do their bit to restore the environment, and if not restore, making sure they don’t contribute to depleting it further.


1. Passive Solar Water Wall


Air conditioners not only suck up electricity but also contribute to around 1.5 tonnes of carbon each year. Two students from IIT Kharagpur, Sahashranshu Maurya, and Somrup Chakraborty came up with an alternative that could act as a potential replacement for energy-guzzling air conditioners.


Their innovation is that of Passive Solar Water Wall, where the cooling system revolves around a rectangular water tank fitted into a wall — it’s very high surface area allows maximum interaction between the air and the tank walls, thus helping it cool rapidly. The heat absorbed is continuously removed from the system by daily household use of water.


These walls enable no CFC and carbon emission, minimal electricity usage, and as much as a 50 percent reduction in cooling cost!


2. A machine that vends water in exchange for plastic


Swacch Machine, a water-for-plastic machine is an innovation thought of by two IIT-Bombay aluminas, Anurag Meena and Satyendra Meena, who collaborated with Trestor (a Chandigarh-based start-up) to bring their idea to being. The machine uses plastic waste to get clean drinking water! With the increasing garbage problem in our cities, this is a great idea to streamline plastic disposal.


For every recyclable waste item one puts inside the machine, you receive a digital value token that can be exchanged for 300 ml of clean drinking water. The machine designed and developed in just 95 days, provides chilled clean drinking water as well as at room temperature. The machine reduces the waste to one-sixth of its size and sends an automated SMS when it reaches 80% of its capacity.


3. Roads using plastic waste


We cannot stop stressing enough as to how plastic waste is everywhere and is one of the primary causes of pollution. A government order in the year 2015 made it mandatory for road developers in India to use plastic, along with bituminous mixes, for road construction. The technology for the same was developed by Rajagopalan Vasudevan, a Professor of Chemistry at Thiagarajar College of Engineering, Madurai. The technology he developed is easy and no additional machinery is required. Plastic increases aggregate impact value and improve the quality of pavements. Wear in tear of roads over time which is another concern, is also reduced to a great extent. No toxic gases are released during the construction process using this technology.




Article by: Chetana Chaudhary
Edited by: Aastha Soni

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