Category: Indepth

SEWAGE WATER TREATMENT AND WASTE WATER MANAGEMENT

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By Gowthaman Desingh, Director – Technology, Transwater Systems Conventional wastewater treatment consists of a combination of physical, chemical, and biological processes and operations to remove solids, organic matter and, sometimes, nutrients from wastewater. General terms used to describe different degrees of treatment, in order of increasing treatment level, are preliminary, primary, secondary, and tertiary and/or advanced wastewater treatment. In Urban cities, majority of the Sewage/Waste Water treatment plant does the primary and secondary treatment addressing the reduction of BOD, COD, TSS, Ammonical Nitrogen, etc to meet the disposal norms but…

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NOTE ON SEWAGE WATER TREATMENT AND WASTE WATER MANAGEMENT

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By Dushyant Jindal, Co-Founder, Hitech Enviro Solutions In the 21st century, clean water and environmentally friendly industrial processes are more critical than ever. According to the World Health Organization (WHO), contaminated drinking water causes 485,000 diarrheal deaths every year. Fortunately, proper treatment can help commercial and industrial facilities become more environmentally responsible and compliant in their wastewater disposal. What Is Wastewater?  Wastewater is a complex matrix containing significant concentrations of solids (total solids 350–1200mg/l), dissolved and particulate matter (chemical oxygen demand 250–1000mg/l), microorganisms (up to 109 number/ml), nutrients, heavy metals,…

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WASTEWATER TREATMENT HOLDS THE KEY TO MAKING INDIA A WATER-PLUS NATION

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By Mr. Arun Lakhani, Chairman & Managing Director, Vishvaraj Infrastructure Ltd While the world continues to fight COVID-19, there is another long-term existential threat that requires equallyurgent global attention. Climate Change is intensifying, and it is exacerbating water stress across the globe, thereby endangering the lives of millions. Water availability is becoming less predictable in many places, and increased incidences of flooding threaten to destroy water points and sanitation facilities and contaminate water sources. The situation in India is quite critical. India has the dubious honor of being the world’s…

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OPPORTUNITIES TO STRENGTHEN THE EFFICIENCY OF THE INDIAN WASTEWATER MANAGEMENT SECTOR

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By Sanjeev Sirsi, Head – Municipal Business – INDO Region, Water Utility, Grundfos India The Indian wastewater treatment sector was estimated to be worth $2.4 billion in 2019 and is projected to be worth$4.3 billion by 2025 according to Mr. Amitabh Kant, CEO, NITI Aayog. This phenomenon stems from the rising demand for municipal water and increasing wastewater generated, which is estimated to reach over 120,000 MLD by 2051 as per the Central Pollution Control Board (CPCB). The reuse potential of the wastewater is humongous. It is said that if…

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SEWAGE WATER TREATMENT AND WASTE WATER MANAGEMENT

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Dr. Anil Kumar Mishra, Bacteriologist, Delhi Jal Board, Govt. Of Nct, Delhi Due to urbanization, industrialization, increasing population quality and quantity of fresh water reducing drastically in India and worldwide. For fulfillment of this scarcity for water, Proper treatment and management of sewage is utmost important, which are producing form households, factories or other sources. Domestic sewage is the major source of waste water (sewage) which is composed of kitchen and bathroom waste water called “Sullage” or “Gray water” and waste water producing from toilets are known as excreta or…

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ROLE OF SPACE TECHNOLOGIES IN REDUCING NRW

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Riddhish Chetan Soni, Karan Behar and Vikram Gulecha Introduction Civil structures such as pipelines, roadways, and buildings ensure economic growth and prosperity in a society. In particular water supply pipe line networks ensure the distribution of potable water to all stakeholders within a community. These are subjected to deterioration over time leading to problems similar to as the reduced utilization of hydraulic installations, water losses, slowdown in industrial activities, and deteriorate water quality. Also the increasing consumer demand for water creates new problems similar to reduced water pressure at demand…

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NON – REVENUE WATER (NRW):WAYS AND MEANS OF DETECTION

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By S. Prasanna, Murugappa Organo Water Solutions Private Limited Water, a highly indispensable resource is depleting in a faster rate. Due to various reasons like population, pollution, undue wastage and so on, water resource gets exhausted rapidly. It is estimated that a person uses 200 litres of water per day. One can’t do without water but one can definitely make a spectacular change in treating the waste water. It’s not a must that agriculture needs fresh water, even treated water will work wonders; same is the case of industries which…

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THE OPERATOR’S EXPERIENCE IN REDUCING PHYSICAL LOSSES ACTIVE LEAKAGE CONTROL AT BUDAPEST WATERWORKS, HUNGARY

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By Evelin Madzin, NRW Expertise Center of Budapest Waterworks The importance of drinking water Access to clean, safe water is one of the world’s most pressing needs, as described by UN’s Sustainable Development Goal (SDG 6) also, billions of people live without access to safe drinking water, sanitation and hygiene. Beside the need for clean drinking water, areas of the globe suffer from water shortage; they have limited access to water sources enough for the growing population. So it is more and more important to ensure that the water already…

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NON-REVENUE WATER AND LEAKAGE DETECTION

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By Dushyant Jindal, Co-Founder, Hitech Enviro Solutions Water is of paramount importance for the existence of life on planet Earth. It is essential for the survival itself as well as for most of the activities of human civilisations, be it manufacturing, agriculture, generating electricity or keeping and maintaining the health and wealth of the beings. Although the planet Earth’s surface is covered by nearly two thirds of water, there is not enough of it which can be accessed for the purpose of drinking, household activities or industrial activities. A large…

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THE NEW ASSET MANAGEMENT MANTRA – ONE CITY ONE OPERATOR

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By K. Mohamed Shaffi, Chief Business Officer –O&M, VA Tech WABAG The desire for a cleaner Ganga has been subject of discussion for a long time and in 2011 the National Mission for Clean Ganga was formed, however the actions gained momentum in 2014 when the flag ship Namami Gange program was announced. The program was to drive two specific objectives, firstly to arrest large-scale pollution and secondly to rejuvenate the river Ganga. One big advantage of these policy missions is the associated benefits that come along like industrial effluent…

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