Fluidized Bed Denitrification of Secondary Effluent during Wastewater Reclamation in Southern California
A pilot scale fluidized bed denitrification bioreactor was operated for a period of three years as one unit process in a series designed to repurify secondary effluent for subsequent indirect...
Trenchless Relief
During wet weather, stormwater infiltration/inflow into the sewer system increases wastewater flows by 8-12 times the average dry weather flow in several interceptors operated by the Central...
Adaptive Instructor Model for an Engineering ITS
To develop intelligent tutoring systems (ITS) for engineering via computer technology, a model of how engineers learn as well as methods in which instruction should occur must be captured...
Mobile GIS Technologies
Mobile computes, with pen and voice interfaces, digital maps, GPS receivers, and digital cameras on credit card adapters, wireless connectivity.. field GIS applications are undergoing...
Biological Upflow Fluidized Bed Denitrification Reactor Demonstration Project-Stamford, Ct.
Results of a demonstration project using a biological upflow fluidized bed reactor to remove nitrogen from wastewater treatment plant effluent are described. The reactor was operated at...
The Evaluation of Empty Bed Contact Time on the Biodegradation of Pentachlorophenol using an Anaerobic GAC Fluidized Bed
The objective of this research is to evaluate the effects of decreasing the empty-bed contact time (EBCT) on pentachlorophenol and its intermediates utilizing an anaerobic granular activated...
Biodegradation of 2,4-Dinitrotoluene in a Two Stage System
An anaerobic/anoxic fluidized-bed GAC bioreactor in series with an activated sludge reactor was used to treat 2,4-Dinitrotoluene (2,4-DNT). A simulated high strength wastewater solution...
Explanation Facilities for Intelligent Engineering Tutors
Intelligent Tutoring Systems (ITS) provide a method for humans to interact with a computer to learn about a particular topic. Usually, the ITS system has as part of its components a knowledge-based...
Computer Fluent Civil Engineer: What Does it Mean?
The rapidly changing arena of computer and information technology has an impact on civil engineering education, what is taught, how it is presented, type of homework, maintaining computer...
Total Quality Management for Information Technology
Recently, there has been an increased awareness in the AEC firms toward Total Quality Management (TQM). Many AEC firms and the public sector started to look seriously at TQM. The reason...
Information Technology: Panacea or Poison?
Consulting engineering is entering a period of dramatic change which will provide opportunities and threats. Pressure on fee levels and changing markets are necessitating a greater emphasis...
Application of Information Technology in Construction
Information Technology (IT) is changing the way the construction industry handles many of its tasks, but not the tasks themselves. CSSP's experience, based on industry use of the company's...
Standards for Digital Exchange of Information in the Building Industry
The computer has been used as an effective tool in civil engineering practice for over three decades. During that time numerous software vendors have developed their own proprietary formats...
Information Technology for Infrastructure Management
A database management system is component of an information system which is a component of information technology. THis paper demonstrates the enormity of information technology by introducing...
Trenchless Diversity Fuels Growth of Construction Activities
This paper describes a variety of trenchless technology methods of reconstructing America's decaying pipeline infrastructure by using minimum and /or 'no-dig processes'. The decay of our...
National Geotechnical Experimentation Sites?Central Data Repository
A central data repository is in the process of development for the recently-established system of U.S. geotechnical experimentation sites. Data which will be available for most of these...
Trenchless Track Record
Ottawa is a leading user of trenchless technology for sewer rehabilitation projects. The municipality has nearly a decade's worth of experience with at least nine different...
Taming Environmental Data
The main problem with environmental management is the vast quantity of data generated for and by analysis. A computer system designed to solve this problem moves data from the database...
Dallas Goes Trenchless
Dallas Water Utilities (DWU) has stopped relying solely on traditional open-cut trenching methods. Instead, we look to trenchless technologies to minimize costs and disruption to the public....
Evaluating Advanced Technologies for Acid Rain Compliance
Technological innovation in emissions control of acid rain precursors has made possible increasingly stringent control requirements for coal-fired power plants. A key challenge for potential...
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