Hydrogen sulphide removal from biogas by an anoxic biotrickling filter packed with Pall rings

Identificadores
URI: http://hdl.handle.net/10498/16300
DOI: 10.1016/j.cej.2013.04.020
ISSN: 1385-8947
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2013-01-01Department
Ingeniería Química y Tecnología de AlimentosSource
Chemical Engineering Journal - Volume 225, 1 Junio 2013, pp. 456–463Abstract
Hydrogen sulphide (H2S) is one of the most problematic contaminants in biogas. In this study, a biotrickling
filter with a working volume of 2.4 L and packed with polypropylene Pall rings was tested for its
ability to remove H2S from biogas under anoxic conditions. The influence of the H2S inlet concentration,
nitrate feeding regime (manual and controlled) and liquid flow rate on the elimination capacity of the
biotrickling filter was studied. The results indicate that 99% of the H2S was removed for H2S inlet loads
lower than 120 g S m"3 h"1 when using controlled nitrate feeding by ORP.
Subjects
Pall rings; Hydrogen sulphide; Biogas; Anoxic biofiltration; Biotrickling filterCollections
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