New Israeli System Saves Water by Sealing Leaks
The World Bank estimates that 88 billion liters of treated water is lost from leaking urban pipelines every day from what is called "background leakage" - small cracks that drip water continuously. Indeed, background leakage is so pervasive that water suppliers accept 3,500 liters of water per km. of pipe per day as the minimum achievable loss. Now an Israeli company called Curapipe has developed a system that aims to seal leaks cheaply with only a small disruption to the water supply. Curapipe's system works together with the system commonly used to clean urban water mains, sealing cracks. The system may also be suitable for sealing leaks in oil and gas pipelines. (Economist-UK)
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