Modified titanium dioxide for water detoxification and disinfection

... MODIFIED TITANIUM DIOXIDE FOR WATER DETOXIFICATION AND DISINFECTION DOU HAIQING (B.Eng, XJTU) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ... pollutants and killing all the microbial contaminations Therefore, it is of much concern to seek for and establish more efficient and robust water purification methods...

Ngày tải lên: 26/11/2015, 12:46

... consists of two co-axial cylinders When the inner cylinder is rotated at a certain speed, the unsteady flow within the annulus allows the fluids to recirculate from the vicinity of the rotating inner ... toxic organic pollutants In addition, the increasing population of the world is also escalating the requirements of pure water for drinking and household pur...

Ngày tải lên: 14/09/2015, 12:35

... professionals and communication to non -water professionals, improving the rationale for allocation of water among uses, and for identification of means to achieve water savings and increases in water productivity ... storage Water depletion: a use or removal of water from a water basin that renders it unavailable for further use Non-depletive uses of water: us...

Ngày tải lên: 06/03/2014, 15:21

... on the GIS projects worked on or managed by the author himself This is my second GIS book for water, wastewater, and stormwater systems The first book, GIS Tools for Water, Wastewater, and Stormwater ... Cataloging-in-Publication Data Shamsi, U M (Uzair M.) GIS applications for water, wastewater, and stormwater systems / U.M Shamsi p cm Includes bibl...

Ngày tải lên: 11/08/2014, 13:22

... such as near-infrared and thermal-infrared bands Different satellite bands provide information about different objects and conditions of the Earth For example, thermal-infrared band (10.4 to ... center-left image is a 1-m (3. 28-ft) 1999 color-infrared orthophoto taken in invisible light in the infrared bands The center-right image is a simulated B&W SPOT image with a 10-m (32 .8-ft) re...

Ngày tải lên: 11/08/2014, 13:22

... (also known as 30-min), and 1˚ units The 7. 5- and 15-min DEMs are included in the large-scale category, whereas 2-arc-sec DEMs fall within the intermediate-scale category and 1˚ DEMs fall within ... manual and DEM delineations Figure 4. 13, Figure 4. 14, and Figure 4. 15 show the DEM streams for cell threshold values of 100, 250, and 500 These figures also show the manuall...

Ngày tải lên: 11/08/2014, 13:22

... location, model, and color of the vehicle The GPS applications for the water, wastewater, and stormwater systems, though not as dramatic as TeleAid, are revolutionizing the way these systems are designed, ... points, and evaluate and select appropriate channel-rehabilitation measures This chapter is intended for professionals in the geographic “positioning” field It pr...

Ngày tải lên: 11/08/2014, 13:22

... GIS applications for serving water, wastewater, and stormwater system maps on the Internet The Internet is the fastest growing and most efficient technology for distributing GIS data Internet-based ... increased staff productivity and enhanced responsiveness to customers This chapter provides information on the GIS applications for serving water, wastewater,...

Ngày tải lên: 11/08/2014, 13:22

... computing with wired and wireless communications, GIS, GPS, and remote sensing technologies (Karimi and Hammad, 2004) GIS lies at the heart of most mobile information resource systems For example, it ... lightweight, reliable, and affordable field computing devices; (3) more accurate and affordable GPS receivers; and (4) wireless communications (ESRI, 2004) MOBILE GIS APP...

Ngày tải lên: 11/08/2014, 13:22

... 2097_C0 08. fm Page 1 38 Monday, December 6, 2004 6:04 PM LEARNING OBJECTIVE The learning objective of this chapter is to understand how to create GIS maps for water, wastewater, and stormwater systems ... Monday, December 6, 2004 6:04 PM CHAPTER SUMMARY GIS provides powerful capabilities for creating cost-effective and intelligent maps for water, wastewater, a...

Ngày tải lên: 11/08/2014, 13:22

... examples for water systems Mapping application examples for wastewater systems Mapping application examples for stormwater systems LIST OF CHAPTER ACRONYMS 2-DTwo Two-Dimensional 3-DThree Three-Dimensional ... service, GIS was used to create more efficient meter-reading routes In 199 5, SPU’s Metering and GIS departments joined forces to explore the feasibility of rerouti...

Ngày tải lên: 11/08/2014, 13:22

... real time, GIS- ready, georeferenced weather data in ESRI GRID (raster) and Shapefile (vector) formats and georegistered TIFF format to weather-enable the GIS applications for water and wastewater ... operation and management of water, wastewater, and stormwater systems MAJOR TOPICS • • • • • • Rainfall monitoring Satellite and radar rainfall data Flow-monitoring ap...

Ngày tải lên: 11/08/2014, 13:22

... methods for water, wastewater, and stormwater systems GIS applications provide an accurate and manageable way of estimating model input parameters such as node demands, sewage flows, and runoff ... values for various land-use classes Table 11. 1 shows selected data from the NRCS tables for percent imperviousness and runoff curve number for typical land-use classes...

Ngày tải lên: 11/08/2014, 13:22

... Professional and ArcView GIS and exports data and simulation results to MapInfo Professional and ArcView InfoNet has a multiuser database with built-in data models for water, wastewater, and stormwater ... Land-use data method: This method uses future land-use polygons to forecast future demands A GIS overlay of service area and land-use polygons is conducted to calcul...

Ngày tải lên: 11/08/2014, 13:22

... alternative Figure 13. 1 shows a thematic map showing flooding risk and historical complaints (Hoffman and Crawford, 2000) GIS APPLICATIONS FOR SEWER SYSTEMS GIS applications for sewer systems include ... modeling: • Sanitary sewers • SewerCAD Stand-alone • SewerCAD for AutoCAD • SewerGEMS for ArcGIS • Storm sewers • StormCAD Stand-alone • StormCAD for AutoCAD Stand-...

Ngày tải lên: 11/08/2014, 13:22