Category: Environment & Technology

Presentations (Environmental Engineering): Water, Wastewater, Solid Waste, Air and Energy

Dr.Eng. Abdulrzzak Alturkmani

By This subject a wide range of environmental engineering presentations will be availble to be used by students, professionals, acadimic staff and engineers. So, I hope to provide these presentations a useful information. With best regards Dr.Eng Abdulrzzak Alturkmani   *  Institutional strengthening in water supply and sanitation *  Operation of WWTPs *  Preliminary and primary Treatment by Austermann-Haun …

Read more »

Validation of an Onsite Wastewater Risk Assessment Model

Draft Final Report Submitted to: Canadian Mortgage and Housing Corporation Submitted by: Ontario Rural Wastewater Centre Collège d’Alfred – University of Guelph Authors: Chris Kinsley & Doug Joy July 19th, 2005 Table of Contents Executive Summary       ii Acknowledgements        iii 1.0 BACKGROUND and introduction      1 2.0 MODEL DEVELOPMENT        4 3.0 MODEL APPLICATION AND SENSITIVITY ANALYSIS      9 4.0 MODEL VALIDATION    11 4.1 Data Collection …

Read more »

Computer-aided Design & GIS Applications in Wastewater Treatment & Sanitation

Dr.Eng. Abdulrzzak Alturkmani

Contents  Wastewater Treatment Plant Components Mathematical Modeling Introduction to Modeling of Activated Sludge Process Introduction to Geographic Information System – GIS References     Together with population growth and industrialization, wastewater treatment became an international issue with enormous scope. Aquatic life conservation in lakes and rivers depends on the accurate treatment of wastewater. Mathematical modelling is …

Read more »

Water hammer

Water hammer (or, more generally, fluid hammer) is a pressure surge or wave resulting when a fluid(usually a liquid but sometimes also a gas) in motion is forced to stop or change direction suddenly (momentum change). Water hammer commonly occurs when a valve is closed suddenly at an end of a pipeline system, and a pressure wave propagates in the …

Read more »

Vegetable Oil Separation PhD Thesis

Eng. Ali Abebo

Ministry of Education and Research – Romania Technical University of Civil Engineering of Bucharest – UTCB PhD Thesis Industrial Wastewater Treatment Vegetable Oil Separation By: Eng. Ali Abebo   A vegetable oil or vegoil is an oil extracted from oilseeds or another plant source. Some vegetable oils, such as rapeseed, cottonseed or castor oil, are …

Read more »

The Mercedes A-Class once again sets the standards for safety, comfort and environmental protection

STUTTGART, Germany – With more than 500,000 units produced within three and a half years, the A-Class is among the bestsellers in the Mercedes-Benz passenger car range. Now the latest generation of this compact car is showing itself to be more youthful, attractive and environmentally compatible than ever before. This is ensured by a completely revised …

Read more »

Autorake AR 1400 : New Hydraulic Bar Screen

Sondra Somer

May 2, 2008 Livingston, NJ — The Autorake® Model 1400 is a front cleaned, hydraulic bar screen uniquely adapted for deep channel installations. The unit’s design coordinates the motion of a mobile rake comb, which travels up and down driven by a hydraulic motor and sprocket. As the rake comb reaches the bottom of the …

Read more »

Biogas Production is all in the Mixing

Tony Fitzpatrick

St. Louis, MO — Engineers at Washington University, using an impressive array of imaging and tracking technologies, have determined the importance of mixing in anaerobic digesters for bioenergy production and animal and farm waste treatment. Anaerobic digesters employ reactors that use bacteria to break down organic matter in the absence of oxygen. They are studying …

Read more »

Model 42i NO-NO2-NOX Gas Analyzer

Thermo Fisher Scientific

Using chemiluminescence technology, the Model 42i measures the amount of nitrogen oxides in the air from sub-ppb levels up to 100ppm. The Model 42i is a single Chamber, single photomultiplier tube design that cycles between the NO and NOX modes A change is in the air The industry’s new best-of-breed. Our customers told us exactly …

Read more »

Dual Chamber RTO Oxidizers

Adwest Technologies, Inc. The company’s Retox dual chamber RTO regenerative oxidizer designs provide up to 99%+ VOC/Odor Control with 95% primary heat recovery as described in a new 6 page brochure… The company’s Retox dual chamber RTO regenerative oxidizer designs provide up to 99%+ VOC/Odor Control with 95% primary heat recovery as described in a …

Read more »

Sampling Of Wastewater

The value of laboratory result depends on the integrity of the sample. The object of sampling is to collect a portion of wastewater small enough in volume to be conveniently handled in the laboratory and still representative of the wastewater to be examined. It must be collected in such a manner that nothing is added …

Read more »