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Selection of filter materials in constructed wetlands used for eutrophic water treatment was studied. Volcanic rock, ceramsite, composite soil and gravel were chosen for experiment. Esothermal adsorption tests demonstrated that volcanic rock and ceramsite had good adsorption capacity of ammonia nitrogen while composite soil and ceramsite had good adsorption capacity of total phosphorus (TP). Continuous...
Pavement runoff pollution is more serious which brought more and more attention. Especially when the road passes through the first-grade surface sources protection zones and secondary reserve for domestic and drinking water, pavement runoff needs to be treatment. Pollutant control index achieve environmental quality standards for surface water (GB 3838-2002) before being discharged. In the vast literature...
Based on the result of suitable filter screening, A recirculation filtration process with multi-medias was applied to investigate the reactor performance in treating reclaimed water resource supply-type lake water. The results showed that the pollutant removal capabilities for single species packing filter was in the following order: activated carbon> composite inorganic medium> volcanic rock>...
Roof rainwater, with relatively good water quality, large runoff and convenient collection, has high value of utilization in island. The form of roof rainwater utilization in China is mainly collection and reuse, which is comparatively simple relative to various methods that some countries have, such as roof greening, underground infiltration, collection and reuse and etc. Based on analysis of water...
Marine bacterium in ballast water as a kind of threat to marine ecosystem and human beings has drawn increasing attention. UV is a well-established ways to deal with water bacteria, however, its irradiation will be greatly affected by alga in ballast water. Therefore, our method combines UV radiation with a primary micro-pore ceramic filtration (MPCF) to inactivate bacteria without disturb of suspending...
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