Recycling and Reuse of Water Resources for the arid and water. Deficient Area in Western China ProfX C Wang School of Environmental Municipal Eng Xian Univ of Architecture TechnologyRecycling and Reuse of Water Recycling and Reuse of Water Resources for the Arid and Water Resources for the Arid and Water￾Deficient Area in Western China Deficient Area in Western China Prof. X. C. Wang Prof. X. C. Wang School of Environmental & Municipal Eng. School of Environmental & Municipal Eng. Xi ’an Univ. of Architecture & Technology Univ. of Architecture & Technology