Category: Indepth

Wastewater Reuse: Solution for Water Scarcity

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By Mohammed Naser Azeez, Managing Director, Aquality Water Solutions Pvt. Ltd. Water is essential for life. It is the most abundant compound found in all living organisms and the basis of existence of the planet. Yet, around80% of the world’s untreated wastewater is discarded into the water bodies, rivers, lakes, ponds, and oceans creating drinking water pollution that ultimately becomes harmful to public health. The researchers are surprised that in decades, what they could not imagine, the new contaminants are now increasingly found in water that were previously unidentified, from…

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WASTEWATER REUSE SYSTEM AS PART OF THE SMART CITY CONCEPT

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By Ran Kedem, Partner And Business Development Director, Reali Technologies Ltd. Smart city concept – backgroundThe smart city concept integrates information and communication technology (ICT), and various physical devices connected to the IoT (Internet of things) network to optimize the efficiency of city operations and services and connect to citizens.Smart city technology allows city departments and management as well as related entities to interact directly with both community and city infrastructure and to monitor what is happening in the city and how the city is evolving. ICT is used to…

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Flourish Greenery: Exploit TWW (Treated Waste Water)!

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By Dilip Yewalekar and Manisha Kinge, Jain Irrigation Systems Ltd, Jalgaon IndiaIntroductionTill the end of 19thCentury, the Central/State Government, Environment and Pollution Control Board were not so active and serious in controlling, monitoring, and implementing laws and regulations on pollution and the environment for industries, municipalities, and corporations, in India to dispose of& treat liquid and solid waste in a systematic way without creating additional waste in a scientific.There was not much awareness / public domain available on the use of TWW water for landscape, green belt, and agriculture. It…

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Should Waste Water Be Regarded as a ‘Waste’ Anymore ?

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By Dr. Mayur J. Kapadia, former Additional General Manager & Head, Quality Control Division, GNFC Ltd., Bharuch, Gujarat. Water – the sole lifeline of people and a precious gift of nature –is becoming increasingly scarce. In the face of climate change, our freshwater resources are at threat. One tenth of the world’s population lacks access to clean and safe water. The population growth, increased human activities and degradation of natural environments have put challenge to provision of safe and sufficient water to the mankind. Wastewater is often seen as a…

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The Universal Rise of Zero Liquid Discharge for Wastewater Management: Technologies and Future Directions

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Freshwater scarcity, one of the most critical global challenges of our time, poses a major threat to economic growth, water security, and ecosystem health. The challenge of providing adequate and safe drinking water is further complicated by climate change and the pressures of economic development and industrialization. The public and industrial sectors consume substantial amounts of freshwater while producing vast quantities of wastewater. If inadequately treated, wastewater discharge into the aquatic environment causes severe pollution that adversely impacts aquatic ecosystems and public health. Recovery and recycling of wastewater has become…

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“TREATED WATER WITH BEST TECHNOLOGIES IS 100% FIT FOR USE BY HUMAN BEINGS”

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Laxmi Kant Pathak, director-operations and BU head-surface water and irrigation at Zetwerk speaks About the challenges affecting the water sector both in terms of policies and infrastructure. Considering Zetwerk is a major EPC player in the water sector, in India, what are your views on the infrastructure that is present, in the water sector, in India? In the last 35 years, India has seen large demographic movement from rural to urban. As a result of this we can see some infrastructure in the urban areas but considering the concentration of…

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USE OF MICROBES AND HERBAL EXTRACTS TO TREAT WASTEWATER

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By Sanjay Bahl When the going gets tough and when traditional water treatment methods seem unsatisfactory then we should resort to the natural ways of cleaning wastewater. If water was a Sadhu or Yogi then he would go to his ashram in the morning as a bright, smart, clear-headed gentleman and come back in the evening to his hut as a fat, lethargic, tired man and then would get into an intense tapasya to rejuvenate himself again for the next day. Similarly, technically Speaking water is a universal solvent and…

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BIOAUGMENTATION: A BOON FOR YOUR SEPTIC TANK

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By Neeraj Kumar Septic tanks are wastewater management systems at a smaller and/or personal scale. These are on-site, economical sewage disposal solutions that work well in areas without sewer networks. We can use them in various industries, houses situated in hilly areas, hospitals, outlier buildings, or A group of four or five houses. It handles solid and liquid organic waste that is drained and flushed down through toilets, bathrooms, kitchens, and other type of drains. There are two ways in which septic systems work. They are either aerobic septic systems…

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NEW IRON REMOVAL MEDIA: REDEFINING WATER QUALITY

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By Praveen Kumar S All about the extremely powerful silica sand based catalytic water filtration media that is designed for removal of Iron and Manganese without the use of potassium permanganate. The character of water is changing across India and hence adopting new measures of quality is highly Important. Ground water in India is now getting affected by heavy metals which are beyond the permissible limit. Presence of Fe (Iron), Arsenic, Manganese, in water, to name a few are Quite detrimental for human consumption. We have plenty of water resources,…

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VERMIFILTRATION: THE WAY FORWARD TO A SUSTAINABLE FUTURE

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By Aditi Agarwal There is increasing scientific evidence to prove that treatment systems with designs inspired by nature are highly efficient treatment technologies. India generates about 7,200 crore liters of sewage every single day. Out of this only 2,000 crore liters is treated, rest is discharged directly either into the ground water or fresh water resources. This practice has led to most of our ponds, lakes and rivers being severely polluted. Even the sewage that Does get treated does not get completely recycled and is often discharged into water bodies…

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