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Sorption of Sulfur Dioxide by Calcareous Soils
Author(s) -
Yee Mon S.,
Bohn Hinrich L.,
Miyamoto Seiichi
Publication year - 1975
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1975.03615995003900020015x
Subject(s) - sorption , soil water , calcareous , sulfur dioxide , sulfur , moisture , saturation (graph theory) , calcareous soils , chemistry , environmental chemistry , environmental science , soil science , geology , adsorption , inorganic chemistry , paleontology , mathematics , organic chemistry , combinatorics
The capacities and rates of calcareous soils to sorb SO 2 were measured by a steady‐state method in which a stream of air plus SO 2 passed rapidly through the soil. At room temperature, air‐dry calcareous soils were saturated with SO 2 within 10 to 15 min from a dry gas stream. The sorption capacities, 0.4 to 1.6 g of S/100 g of soil at 0.34% SO 2 in air, increased with SO 2 concentration and specific surface of the soils. Moisture in the air and/or soils increased the SO 2 sorption capacities to 0.8 to 6.4 g of S/100 g, approximately equivalent to the acid‐titratable basicities, but saturation required several hours. The initial sorption rate ranged from 0.06 to 0.29% S/min in the moist soils.

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