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in subjects: "Air Flow"

open access

Removal of hydrogen sulfide from simulated geothermal brines by reaction with oxygen (II). Final report, July 1, 1977-December 31, 1978

Air was injected into simulated geothermal brines to determine if the costs and hazards of the hydrogen sulfide oxidation process could be substantially reduced. Oxygen was injected into a two-phase flow of simulated geothermal brine. The data obtained was to identify: the optimum oxygen to hydrogen sulfide mole ratio to remove the H/sub 2/S and still avoid the corrosion problem resulting from excess oxygen, the effect of varying sulfide levels on the effectiveness of oxygen injection and the o… more

Date: January 1, 1978

Creator: Southard, R. W.; Wilson, J. S. & Bullard, G. R.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Experiments with structural concrete blocks which double as solar air heaters. Final report

Because concrete is a low cost, low energy content material, and because many buildings have unobstructed south-facing walls, the concept of an air heating structural block was evolved. Four configurations are described, two routinely available from concrete block manufacturers, and two specially designed. Test walls were evaluated heating ambient air in a single pass, so the temperature difference was low. With that reservation, there was little difference between any of the configurations (on… more

Date: January 1, 1979

Creator: Payne, P. R. & Brown, J. P.