Hydrocarbons in municipal water supplies, including fresh water and desalination systems, are commonly limited to less than 1 part per million. Surface water from rivers, lakes, or the sea with marine traffic, nearby pipelines, or regular flooding can be contaminated by hydrocarbons. Freshwater treatment systems can be damaged by hydrocarbons or allow them to pass through undetected. Desalination systems using reverse osmosis (RO) membranes can be irreversibly damaged by the presence of hydrocarbons. Continuous monitoring of water source intakes can prevent system contamination and subsequent damage. Accurate, low maintenance monitoring systems such as the TD-4100 XD and XDC have been protecting water intakes worldwide for over 20 years.
By Turner Designs Hydrocarbon Instruments, Inc. based in Fresno, CALIFORNIA (USA).
In urban areas can geotextiles be found in most diverse applications. The geotextiles are being used in access and paved roads, sport fields, riverbed protection, drainage trenches and pond liner protection. The geotextiles are also being used in vertical drainage applications. Groundwater and excess rainwater can be controlled well when geotextiles are properly used. More and more floods cause serious damage to urban areas.
By Mattex Geosynthetics based in Dubai, UNITED ARAB EMIRATES.
In recent years acoustic flow measurement and flow metering has established itself as the standard method for measurement in many hydrological stations but is also used as the basis for various applications, for example for flood protection and flood forecasting. Ultrasonic flow meters are also used in hydro-engineering constructions. With this almost contact free technology data can be recorded continuously and it provides 24/7 monitoring. Such flow monitoring is particularly important in waterways used for shipping, transportation, irrigation, drainage and for cooling water extraction of power plants. A further important use of transit-time open channel flow meters is the transportation of water used for the supply of drinking water. Here the focus lies on detecting the flow rate of water loss at an early stage as it is sometimes difficult to detect small leakages.
By HydroVision GmbH based in Kaufbeuren, GERMANY.
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