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Pre-Treatment Mechanisms During Thermophilic–Mesophilic Temperature Phased Anaerobic Digestion of Primary Sludge

open access: yesWater Research, 2010
Pre-treatment is used extensively to improve degradability and hydrolysis rate of material being fed into digesters. One emerging process is temperature phased anaerobic digestion (TPAD), which applies a short (2 day) 50–70 °C pre-treatment step prior to
Damien J Batstone   +2 more
exaly   +2 more sources
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Conversion of Mesophilic to Psychrophilic Bacteria

Science, 1968
The minimum temperature of growth of the mesophilic bacterium Pseudomonas aeruginosa has been significantly lowered from approximately 11° to 0°C. This shift in the minimum temperature of growth was accompanied by a corresponding decrease in the maximum temperature of growth.
R H, Olsen, E S, Metcalf
openaire   +2 more sources

Mesophilic acidification of gelatinaceous wastewater

Journal of Biotechnology, 2002
The influence of hydraulic retention time (HRT) and gelatin concentration on the acidification of gelatinaceous wastewater in an upflow anaerobic reactor was investigated at pH 5.5 and 37 degrees C. The degree of gelatin degradation increased with the HRT, from 84.1% at 4 h to 89.6% at 24 h, but decreased with the increase of the gelatin concentration ...
Yu, H, Fang, HHP
openaire   +4 more sources

Mesophilic Clostridia in Puget Sound

Canadian Journal of Microbiology, 1974
Clostridia were isolated from marine sediments collected in Puget Sound in the State of Washington. Sampling stations varied in depth from 10 to 240 m and sediment types varied from sand and gravel to reduced mud. Counts of bacteria growing both aerobically and anaerobically at 30 °C were made.
J R, Matches, J, Liston
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Sporulation of Mesophilic Clostridia

Journal of Applied Bacteriology, 1967
SUMMARY The commoner mesophilic clostridia have been screened for sporulation in several meat and other media. A method employing enriched spent medium has also been evaluated. A cooked meat medium based on Hartley's digest broth supported sporulation of more species than any other medium examined.
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Cold-Adapted and Mesophilic Brachyurins

Biological Chemistry, 2002
Two different types of brachyurins, termed I and II, have been described in the literature. Within type I there are two subtypes, Ia and Ib. The prototype for the type I brachyurins is Fiddler crab collagenase I. Its cold-adapted analogue from Antarctic krill, termed euphaulysin, shares many of its characteristics.
openaire   +2 more sources

Cold Stress Responses in Mesophilic Bacteria

Cryobiology, 1998
The diversity of the prokaryotes that have been studied, combined with the many different effects of low temperature, has led to an extensive literature concerning cold stress responses in mesophilic bacteria. The aim of this review is to discuss the effects of cold on the behavior of bacteria.
J M, Panoff   +3 more
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