Solar thermal power plants use mirrors to focus the sun’s rays. Like a burning glass, they generate heat and convert this energy into electricity. This works best in the glaring light of the desert sun. In a parabolic trough power plant, curved mirrors focus the incident sunlight in a focal line. A thin absorber tube runs along this line, containing water vapor or a thermal oil. The solar radiation heats the contents of the tube to several hundred degrees Celcius, which is then conducted via pipes to turbines. In most cases, the trough-shaped mirrors are permanently tracked by the sun so that the plant can generate as much energy as possible throughout the day.
Conventional power generation systems pollute the environment much more than the electricity produced by thermal solar systems. The surface water collected on the solar systems can be contaminated by leaks in the oil pipes. Filtration Group Industrial’s customer uses the collected surface water to irrigate agricultural fields. Therefore, the water must be 100% clean and contaminants must be removed. The separation system previously used could not meet these requirements.
After extensive testing, Filtration Group used a 2-stage membrane separation plant with downstream activated carbon stage for this application. Filtration Group Industrial, based in Hamburg, Germany, developed a ready-to-connect plant built to customer specifications and piped on a skid. The plant was connected to the existing piping on site. The FG service team supported the customer in all necessary work so that trouble-free operation could be achieved at short notice.
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