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Absorption of hydrogen sulphide by peat in the presence of ammonia

โœ Scribed by Campbell, J. H. ;Skilling, W. J.

Publisher
Wiley (John Wiley & Sons)
Year
1950
Weight
883 KB
Volume
69
Category
Article
ISSN
0368-4075

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โœฆ Synopsis

T h e influence of the following factors on the efficiency of peat in rcmoving hydrogen sulphide from mixtures of it with air, oxygen or nitrogen and 3 little ammonia has been investigated : ((I) variation of ammonia supplied, (b) variation of oxygen content of gas, (c) variation of moisture content of peat, (d) variation of weight of peat, (e) variation of diameter of reaction tube, (f) dilution of peat with sawdust ( ) sterilization of pent, and (11) depth of source of peat.

In a d h i k , the activities of other absorbents and of humic acids from peat have been eaaniined, and figures for the saturation of peat with sulphur have been obtained ; finally, the activity of peat and humic acids saturated with ammonia has been ascertained. A hypothesis has been submitted to explain thc cxperimcntal evidence : this suggests that the reaction is based on combination of ammonia with the humic acids in peat, followed by the decomposition of the ammonium humates with hydrogen sulphide. T h e resulting ammonium hydrogen sulphide is then oxidized to ammonia and free sulphur, and thc regcnerated ammonia is availablc for further reaction. ' B.1'. 15'3,297 . -.. 4 ~ragunov, S. s., er a/., 3. ~p p . chi. RI;SI. 193j,7, 105 attributed to the activity of bacteria, nor can the hechanism be

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