Author: eawater

INITIATIVE TO MODIFY THE EXISTING TREATMENT UNITS WITH NEW ADVANCED TECHNOLOGIES

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By Hemalatha A G, Water Management SME, Embassy Services Executive summary Water is one of the basic essential elements to all living creatures in the world.We are experiencing water scarcity because of exponential increase in population and unethical sewage/waste disposal to the water source. Providing good quality water in sufficient quantities to end users is a big challenge for the facility management teams. Small modifications in treatment processes can help the maintenance team to perform better. UsingDisc filters& Screen filters in place of pressure sand filter is just one of…

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SPECIALTY SOLUTION FOR EFFICIENT SEPARATION OF OIL FROM PRODUCED WATER

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By Amit K., Prabhat R., Pushkar S., Sanjeev G., Hiten M., Water application and product development centre, Grasim Industries Ltd., Bharuch, Gujarat, India Large quantity of water is generated during crude oil exploration called as ‘Produced water’ (PW). The produced water contains oil mostly in emulsified form along with a lot of suspended impurities, making it one of the most difficult to treat. With the increase in emphasis of recycling of water in oil exploration units, the treated wastewater is used as Well Injection Water and the prime challenge remains…

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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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Sahara Industry and DuPont partner to provide clean and safe water

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DuPont Sahara Partnership

Hyderabad, India: Sahara Industry, a leading name in water and wastewater treatment, and DuPont, the world leader in water technologies and products has partnered to increase access to safe water in 3 leading states of South India. With a focus on providing innovative water treatment solutions in Andhra Pradesh, Karnataka & Telangana; the partnership combines Sahara Industry’s expertise in water filtration and purification with DuPont’s competence in technical and membrane solutions. Both the organizations intend to improve water quality through innovative and technologically advanced water treatment solutions available to people…

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CHITTAGONG WATER SUPPLY IMPROVEMENT & SANITATION PROJECT, PHASE I 2014-2015, PHASE II 2018-2019

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Description Chittagong is the second largest city of Bangladesh with an estimated 4.2 million population. It is a very important industrial base and the water network has been managed by CWASA since 1963. CWASA is implementing the Chittagong Water Supply Improvement and Sanitation Project (CWSISP) with funding support from the World Bank (80.5241.01). The model covers approximately 560 km (350 miles) of main pipelines – the maximum pipe diameter being 1,200 mm (48 inches). Surface water sources, groundwater sources, and tube wells provide approx. 6.5 m3/s (230 ft3/s) of water…

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CASE STUDY ANALYSIS & IMPROVEMENTS

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By Sumit Kumar, Embassy Services Private Limited. Executive Summary: Energy saving is an essential key performance indicator for every commercial building specially where major part of energy is consumed by HVAC system. To maintain ideal IKW/TR rating of the chiller the condenser & condensate system plays major role.During operations of HVAC system, the energy rating is majorly affected by approach temperature across condenser. Regular approach temperature can only be maintained withhigh quality of water parametersused in condensate system with the support of latest water management & treatment techniques. One such…

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CASE STUDY ON NRW MANAGEMENT THROUGH IMPLEMENTATION OF DMA IN NETWORK

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By Rudranarayan Kumar, Chief Manager and Devipriya Rout, Executive, Business Development, Swach Environment Pvt Ltd. Overview Non-Revenue Water (NRW) is a burning issue with water supply utilities in India, which includes both physical and commercial losses and free authorized water for which payment is not collected. One of the major issues affecting the Indian water utilities is the pronounced difference between the amount of system input volume (SIV) into the distribution system and the amount of water billed to consumers, which is the NRW. Average NRW in India is around…

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HUNTER WATER TRANSFORMS HOW IT WORKS AND SEES SIGNIFICANT LEAKAGE REDUCTION FOLLOWING DIGITIZATION

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By TaKaDu, Israel Background Hunter Water is a State-Owned Corporation (SOC) providing drinking water, wastewater, and recycled water services to almost 600,000 people in the Lower Hunter region, north of Sydney, Australia. From its earliest days in the 1880s, Hunter Water, like the region it serves, has grown greatly. Today, it manages more than AU$2.5 billion worth of infrastructure, including 10,000 km of water and sewer mains. The utility notes that it is constantly looking for new ways to provide great services, enable good development and be a thought leader.…

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TECHNIQUES TO ‘SAVE WATER’ IN THE EXISTING COOLING TOWERS

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By Dr. Jagjit Singh Sehra, President, CST Associates Today we find new challenge of water that is being used in the cooling tower. In my pervious article we have discussed how power industry evaporates nearly 2900 liters of water while producing 1 Mega Watt of power. Since the alternative methods of using Adiabatic Cooling towers have been discussed in my pervious articles, which require huge investments. Right now, industry all over the world is passing through the time times because of Corona. Currently companies are very much scared to go…

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