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Browsing Research Articles (Chemical Engineering) by UP Author

Browsing Research Articles (Chemical Engineering) by UP Author "Njalam'mano, John Bright Joseph"

Now showing items 1-6 of 6

Determination of growth parameters of butyric acid-degrading bacterium, Achromobacter xylosoxidans, as a function of constant temperatures in batch system

Njalam'mano, John Bright Joseph; Chirwa, Evans M.N. (The Italian Association of Chemical Engineering, 2019)

Achromobacter xylosoxidans is one of the bacterial strains that have the capability to degrade butyric acid which significantly contribute to malodours from pit latrines emissions. There is an increasing interest in being ...
In vitro study of butyric acid deodorization potential by indigenously constructed bacterial consortia and pure cultures from pit latrine fecal sludge

Njalam'mano, John Bright Joseph; Chirwa, Evans M.N.; Seabi, Refilwe Lesego (MDPI Publishing, 2020-06-24)

The present study aims at developing an e cient bacterial consortium to biodegrade butyric acid, one of the odor-causing compounds that contribute significantly to pit latrine malodors. Six bacterial strains isolated ...
Isolation of butyric acid-degrading bacterium, serratia marcescen and its potential for bioremediation

Njalam'mano, John Bright Joseph; Chirwa, Evans M.N. (The Italian Association of Chemical Engineering, 2018)

Biodegradation of butyric acid was investigated in mineral salt medium (MSM) with a novel bacterial strain B6a. The molecular identification based on 16S rRNA sequence analysis revealed the bacterial strain B6a as ...
Isolation, identification and characterisation of butyric acid degrading bacterium from pit latrine faecal sludge

Njalam'mano, John Bright Joseph; Chirwa, Evans M.N. (The Italian Association of Chemical Engineering, 2018)

Butyric acid is one of the volatile organic compounds that contribute significantly to pit latrine offensive smell. The objective of this work was to isolate, identify and characterize pure butyric acid-utilising bacteria ...
Optimisation of headspace solid phase microextraction for gas chromatography time-of-flight mass spectrometry analysis of pit latrine key odorants

Njalam'mano, John Bright Joseph; Chirwa, Evans M.N.; Pieterse, Mark (The Italian Association of Chemical Engineering, 2017)

Solid phase microextraction (SPME) fibre type and main experimental factors and their interactions for optimisation of a headspace solid phase microextraction-gas chromatography time-of-flight mass spectrometry (HS-SPM ...
Potential biological deodorisation of Butyric acid by aerobic bacterial species of Bacillus genus under different pH conditions

Njalam'mano, John Bright Joseph; Chirwa, Evans M.N. (The Italian Association of Chemical Engineering, 2019)

Waste volatile compounds, such as butyric acid, generated from pit latrines may cause discomfort to pit latrine users and they have undesirable impacts on sanitation promotion efforts and public health. The purpose of this ...

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Browsing Research Articles (Chemical Engineering) by UP Author "Njalam'mano, John Bright Joseph"

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