Yuanmingyuan sublacustrine laying plastic film prevent penetration events once cause the attention of people.Yesterday, the reporter learns, yuanmingyuan currently on trial, the future will use water lake water as the supplement water garden.
Beijing drainage group, said deputy general manager introduced from tropics.ophthalmology began two weeks ago, yuanmingyuan management departments have started test, the introduction of water as the lake water, currently found no added any unhealthy phenomenon, is expected to both sides will soon formally signed.”Test stage the introduction of water is not big, formal contract in water usage, yuanmingyuan lake after larger, a year need for 800 million cubic meters of water.”It is reported, including longtan park, YuYuanTan park, TaoRanTing park, including within the larger area downtown used in urban lakes water as a supplement water.Previously, urban water pipe also laid to yuanmingyuan near the park.But because of fears that the water quality problems, especially worries about water hua phenomenon, has not adopted the lake water garden as a supplement water.This year after the Olympic park by the lake water actual effect dismissed administration departments of doubt.Additional information indicates that yuanmingyuan management department had planned to apply for playing self-provided Wells, used as the lake added.According to this problem, because water city drainage said, this city has determination by tensions water for city landscape water, use supplementary fiver-lake self-prepare well will urban groundwater as landscape water, is strictly prohibited.
The Olympic park from the lake water use of qinghe sewage treatment plant.Ultrafiltration membrane wire as the root, each fine thin hollow root diameter of 0.8 millimeter “fine” on disaffected holes, need sewage under the action of the pressure, through orifices entering “fine” internal pipeline, then down a filtration process into.The only 0.02 microns in diameter holes in this procedure, smog, inside of sewage viruses, bacteria, and is filtered.And then after carbon adsorption link of metal ions, atom, after various subtle substances were filtered out.
“Since march this year, for the Olympic park qinghe renewable water supply, water 23 million cubic meters of water China did not occur.” the phenomenonAccording to introducing, occur water hua phenomenon is an important reason of high nitrogen and phosphorus content in water.Through the ultrafiltration membrane produces the recycle-water phosphorus is very low, do not have produce water hua conditions.”
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