Category: Case Study

CONJUNCTIVE USE OF SURFACE AND SUB-SURFACE WATERS AND CONJUNCTIVITIS CLOUDING THE FORESIGHT
-CASE STUDY OF CHENNAI METROPOLIS, INDIA

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By S Sundaramoorthy, S Saktheeswaran and A Jayabalan Abstract Chennai Metropolis is a coastal city of Bay of Bengal dependent wholly on monsoons failing about once in four years and limitations of reservoir storages. Import of water from neighboring state is confronted by monsoon failures there. Seawater Desalination plants are functioning but 90 % of operating cost is subsidized. A study by the United Nations Development Programme (UNDP) during the 1980’s and again in 1990’s identified sub- surface storage in the city’s contiguous riverine aquifer extending to a phenomenal 150…

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CLEARBLACKTM – A SMART SEWAGE TREATMENT & RECYCLING SYSTEM

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By Rohan P Vyas, Huliot Pipes and Fittings Pvt. Ltd. ClearBlackTM is a modular wastewater treatment plant designed and developed by the Huliot Advanced Flow Systems for treatment as well as reclamation and reuse of treated sewage for non-potable purposes.The system presents the Sewage Recycling and Reuse as the best symbiotic solution complementing the optimization of freshwater resources in the time of ongoing water stress and saving them by getting polluted simultaneously by its untreated discharge into the river bodies.The development of the system draws its inspiration from Israel’s Wastewater…

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TREATMENT OF OILY WASTEWATER FROM CARBON BLACK MANUFACTURING UNIT

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By Jitendra Khandelwal, Amit Kumar, Pushkar Shukla, Hiten Mehta, Aditya Birla Water Application and Product Development Centre, Grasim Industries Limited (Chemical Division) Treatment of Oily wastewater is one of the most challenging tasks in effluent treatment. It involves several Physical and chemical processes. Free oil can be separated and recovered using several physical processes like skimmers, oil traps, interceptors etc. However, removal of emulsified oil is extremely challenging and requires chemical treatment with coagulants and flocculants.The efficacy of emulsified oil separation depends on factors like oil content, nature of oil,…

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SHANDONG METALLURGICAL ENGINEERING USES 3D MODELING TO DESIGN A LOW-CARBON EMITTING POWER PLANT

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Use of 3D modelling Helps Gain Economic and Environmental Savings and Improve Drawing Efficiency by 60% Promoting Green Development in China Shandong Province Metallurgical Engineering Co., Ltd is an international engineering smelting company that integrates investment, consulting, design, construction, and operations. After more than 60 years of development, the organization has grown into one of the top 10 design institutes and engineering, procurement, and construction (EPC) contractors in the metallurgical sector of China. Smelting iron and steel often produces by-products such as blast furnace gas, converter gas, and coke. The…

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HDR ENSURES SAFE OPERATIONS AT DIABLO DAM WITH A DIGITAL TWIN

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Employment of Artificial Intelligence and Engineering Data, Helps Improving Maintenance and Decision-making. Seeking to Prevent Dam Disasters In February 2017, heavy rainfall in northern California overwhelmed the Oroville Dam. Officials discovered that erosion over time caused a crater to form in the main spillway, limiting the amount of water that could be discharged and contributing to Lake Oroville’s rising water level. As a result, water flowed over the previously unused emergency spillway, causing significant ground erosion and damage to the dam. Since the dam faced the possibility of collapse, more…

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HIDROING DEVELOPS SMART WATER SOLUTIONS FOR 144-YEAR-OLD WATER SUPPLY NETWORK INZAGREB, CROATIA

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Open Flows and Open Utilities save 16 Months when Delivering One of the Largest Digital Twins in Eastern Europe Modernizing One of the World’s Oldest Water Supply Systems Originally constructed in 1878, the 144- year-old Zagreb water supply system is one of the oldest functioning water networks in the world. At that time, the capacity of the constructed system was 53.2 liters per second via a 4-kilometerlong pipeline that provides water to 11,150 of the 30,000 inhabitants in Zagreb, the capital and largest city of Croatia. ViO Zagreb has been…

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SMART WATER MANAGEMENT AND FOCUS ON WATER QUALITY AMONG TRENDS DRIVING DIGITAL TRANSFORMATION IN GLOBAL WATER AND WASTEWATER SECTOR

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By Nideshnavaratharajan, Senior Consultant, Energy & Environment Practice, Frost & Sullivan The COVID-19 pandemic has revitalized the importance of resilient and future-ready water and wastewater infrastructure across application segments. To become sustainable, resilient, and future-ready, end users have started to adopt net-zero, decarbonization, and circularity goals across their operations, products and service offerings. Digital solutions have become a critical element in helping end-users achieve sustainability and circularity targets. Globally, utilities and industries have significantly increased investments in digital and IoT solutions to reduce energy consumption and improve operational efficiency. Digital…

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SIBF system – A sustainable solution for wastewater treatment & reuse

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By Navin Singh & Rahul Babar INTRODUCTION India is a fast developing economy and has recently gained prominence in the world as a global leader. There is a huge pool of scientists, engineers and doctors available in the country which is contributing to the fast pace of development on all fronts. The government has taken good measures to raise the standard of living of the citizens by focusing on infrastructure development. But, due to the huge population, rapid industrialisation and fast urbanization, there are major challenges to be overcome. The…

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FEASIBILITY STUDY ON SEPTAGE TREATMENT USING VERMICOMPOSTING AND ELECTROCOAGULATION METHODS

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By BindhyaMol K Junior Scientific Assistant, Kerala State Pollution Control Board  & Harikumar P S (Corresponding Author) Senior Principal Scientist & Head, Water Quality Division Abstract The faecal matter from on-site sanitation facilities such as septic tanks and pit latrines can pose significant health risks if it has not been adequately treated. In Kerala 95.2% of households have latrine facilities within the premises; it is higher than the national average (46.9%), but the safe management of faecal matter from on-site sanitation structures received limited attention. The study made an attempt…

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A CASE STUDY ON THE RIVER MAHANANDA WITH RESPECT TO CITY OF SILIGURI

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By Aniruddha Bhattacharyya, Assistant Environmental Engineer, West Bengal Pollution Control Board River Mahananda originates from a height of 2100 m at Paglajhora near Kurseong. Originally it was glacial fed but the Mahanada glacier vanished 100 years back. It travels around 360Km to reach Bangladesh to meet River Padma. This river is the main drinking water source of Siliguri. Siliguri being the second largest city of West Bengal has an active population of around 20 lakhs people and discharges the total sewer in to the river. In the lean season the…

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