Characterization of Ozone Episodes in Urban Air
Air pollution and meteorological data were collected in Chicago during August and early September for 54 and 39 consecutive days in 1976 and 1977, respectively. Regular measurements were...

How to Remove Trihalomethanes from Drinking Water
During the past year, there's been much concern about trihalomethanes (THMs) in drinking water; for they are suspected carcinogens. These chemicals are formed in the drinking...

Transportation in New Jersey and the Clean Air Act

Stationary and Mobile Source Controls and Tradeoffs

Transportation Controls to Promote Air Quality: The San Francisco Bay Area Experience

The Use of Photochemical Grid Models to Analyze Transportation Actions

Microzonation in Wind Engineering
The writers indicate a direction for the improvement of the wind design of structures. The direction involves the extension of previous wind speed mapping procedures to incorporate local...

Process Considerations in Design of Ozone Contactor for Disinfection
A review of the fundamental information available in the existing literature covering the various design variables which affect the degree of inactivation of microorganisms by ozone is...

European Water Treatment Practices — Their Experience with Ozone
Today, more than 1100 water treatment plants worldwide use ozone for some purpose. In Europe, it is always regarded as a water-treatment technique and seldom simply as a disinfectant....

European Water Treatment Practices — The Promise of Biological Activated Carbon
Bacterial growths occur in all granulated activated carbon columns. In fact, it is difficult to prevent such growths. The Germans now deliberately foster aerobic bacterial growth by providing...

High Voltage Transmission Lines: Pros and Cons
This article, written in response to a CE Engineering News item, puts into perspective some of the pros and cons of high voltage transmission lines (500 and 765-kV lines). Specific problems...

Ozonation of Dilute, Low-Temperature Wastewater

Ozone Effect on Nitrogenous Matter in Effluents
A study of the effect of ozone on various nitrogenous compounds found in effluents was undertaken using two systems: (1)Effluents after lime treatment; and (2)solutions of specific nitrogenous...

European Water Treatment Practices—And What We Can Learn From Them
This article is of crucial significance to the American water-supply industry. We say this because for the most part, American engineers are largely unfamiliar with European water-treatment...

Effects of Wind Microzonation on Structural Response

Wastewater Ozonation: A Process Whose Time Has Come
For many years, ozonation has been a technically viable solution to difficult waste treatment problems. Not until recently, though, has ozonation found growing acceptance as a cost-effective...

Ozone Degradation in Packed Columns
Ozone is being considered increasingly as an alternate disinfectant to chlorine for use in water and wastewater systems. Owing to its low solubility, the design of efficient contact systems...

A New Analytical Method for Ozone

 

 

 

 

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