Linked Life Data

20853750

Source:http://linkedlifedata.com/resource/pubmed/id/20853750

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
8
pubmed:dateCreated
2010-9-21
pubmed:abstractText
The effect of aluminum on agglomeration in the sludge bed and chemical oxygen demand (COD) removal efficiency in laboratory-scale upflow anaerobic sludge blanket (UASB) reactors treating low-strength synthetic wastewater (approximately 665 to 738 mg/L of COD) was investigated. Continuous application of aluminum chloride (200 mg/L) caused poor COD removal, less sludge density, and adversely affected agglomeration in the sludge bed. An adverse effect on granulation also was observed when 300 mg/L aluminum chloride was added only during the startup, and the effect continued even after it was discontinued. A lower concentration of aluminum chloride (50 mg/L) added for 30 days after the reactors reached steady-state did not affect the COD removal efficiency, but adversely affected the growth of agglomerates and caused temporary degeneration of existing agglomerates. The adverse effect of aluminum appeared to stem from the precipitation of aluminum hydroxide on the surfaces of agglomerates. The effect of aluminum on agglomeration was shown to be a function of influent strength.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
1061-4303
pubmed:author
pubmed:issnType
Print
pubmed:volume
82
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
715-24
pubmed:meshHeading
pubmed:year
2010
pubmed:articleTitle
Effect of aluminum (Al3+) on granulation in upflow anaerobic sludge blanket reactor treating low-strength synthetic wastewater.
pubmed:affiliation
Department of Civil Engineering, Indian Institute of Technology, Kanpur, India.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't, Evaluation Studies