M.P. Williams's research while affiliated with Houston Advanced Research Center and other places
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Publications (5)
We have isolated a mixed bacterial culture (BC-1) which is capable of degrading the gasoline oxygenate methyl t-butyl ether (MTBE). BC-1 was developed from seed microorganisms present in a chemical plant biotreater sludge. This enrichment culture has been maintained in continuous culture treating high concentrations of MTBE (120 to 200 mg/liter) as...
Volume 60, no. 7, p. 2593, abstract, line 11: "radiolabeled either" should read "radiolabeled ether." Page 2594, column 1, line 13 from bottom: "KH(inf2)PO(inf4) (350 pmg/liter)" should read "KH(inf2)PO(inf4) (350 mg/liter)." [This corrects the article on p. 2593 in vol. 60.].
A model laboratory oilfield reservoir system consisting of a packed sand thermal gradient under continuous seawater infiltration was constructed to study the migration, persistence and activity of sulfate-reducing bacteria (SRB). Nutrients (fatty acids and NH4+/PO4-3) or biocide (glutaraldehyde) were added to the injection water to determine optimu...
Citations
... Fuels contain important amounts of benzene, toluene, ethyl benzene, and xylenes (BTEXs), which are among the most polluting and toxic compounds to living organisms. Currently, efficiency of conventional treatments such as physicochemical and biological processes is limited because of the high toxicity of the pollutants present in waters affected by oil spills [5]. The remaining toxic *Corresponding author. ...
... The Most Probable Number (MPN) method was used for bacterial enumeration before and after biocide treatment. The method would take one week to enumerate the general aerobic bacteria (GAB), and up to four weeks to enumerate the slow growing sulfate-reducing bacteria (SRB) [23][24][25]. ...
... Several studies on biodegradation of MTBE have been reported. The isolation of a mixed microbial culture obtained from the sludge of a chemical plant's biological treatment process was the first report on the potential removal of MTBE by biological process (Salanitro et al., 1994). Other studies that have involved the utilization of pure bacterial cultures (no mixed microbial culture); such as, Achromobacter xylosoxidans (Eixarch and Constantí, 2010), Enterobacter sp. ...
