Abstract：Research purposes:The purpose of this paper; Qinling tunnel construction waste water quality analysis conducted，consisting mainly of pollutants，the construction of wastewater treatment was evaluated to investigate and study the project and program design to solve this problem，to lead Han Wei River Crossing section of tunnel construction process wastewater generated into Xi'an centralized drinking water sources and water pollution caused by problems in the context of the monitoring of wastewater quality and quantity of scientific prediction，using a practical, efficient and economical wastewater treatment and process technology solutions，cited the successful implementation of Hanjiang- to-Weihe River Diversion Project centralized water supply while ensuring the quality and safety. Xi'an is important for the safety and security of drinking water sources and water quality maintenance Qinling local ecological environment.
Research conclusions:(1)Water Qinling tunnel construction waste is inorganic suspended polluting water, the lower the concentration of organic pollutants. (2)Under normal circumstances，No. 6 adit average daily waste water is about 17 867 m3/ d，the maximum amount of water is 35 734 m3/d; under the 7th adit normal average daily wastewater is about 7 826 m3/d，the maximum amount of water 15 730 m3/d. (3)For the Qinling Tunnel of wastewater quality paper proposes a “coagulation+sedimentation+adsorption+filter” as the core of the treatment process，the treated water can meet the “Surface Water Environmental Quality Standard”(GB 3838-2002)in Ⅱwater indicators.(4)Qinling tunnel construction waste to the “coagulation+sedimentation+adsorption+filter” research as the core processing technology，adapted to the highway，railway construction is widely used integrated treatment of wastewater tunnel and promote and protect the ecological environment.
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2014, Vol. 31 
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