scholarly journals Evaluation of Ourococcus multisporus YSW008 for Advanced Wastewater Treatment with Simultaneous Biofuel Feedstock Production

2013 ◽  
Vol 50 (5) ◽  
pp. 651-659
Author(s):  
Minsun Lee ◽  
Kun Hee Hong ◽  
Sangwon Hwang ◽  
Sunyup Kim ◽  
Sangwon Bae ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Biofuel Feedstock ◽  
Feedstock Production ◽  
Advanced Wastewater Treatment

Fuelling rural development? The impact of biofuel feedstock production in southern Africa on household income and expenditures

2021 ◽  
Vol 76 ◽  
pp. 102053
Author(s):  
S. Mudombi ◽  
C. Ochieng ◽  
F.X. Johnson ◽  
G. von Maltitz ◽  
D. Luhanga ◽  
...  
Keyword(s):  
Rural Development ◽  
Southern Africa ◽  
Household Income ◽  
Biofuel Feedstock ◽  
Feedstock Production ◽  
The Impact

scholarly journals Continuous transformation of chiral pharmaceuticals in enzymatic membrane bioreactors for advanced wastewater treatment

2017 ◽  
Vol 76 (7) ◽  
pp. 1816-1826 ◽  
Author(s):  
Luong N. Nguyen ◽  
Faisal I. Hai ◽  
James A. McDonald ◽  
Stuart J. Khan ◽  
William E. Price ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Membrane Bioreactor ◽  
Redox Mediator ◽  
Membrane Bioreactors ◽  
Continuous Transformation ◽  
Chiral Inversion ◽  
Enantiomeric Analysis ◽  
Chiral Pharmaceuticals ◽  
Advanced Wastewater Treatment ◽  
Enzymatic Membrane

This study demonstrates continuous enantiomeric inversion and further biotransformation of chiral profens including ibuprofen, naproxen and ketoprofen by an enzymatic membrane bioreactor (EMBR) dosed with laccase. The EMBR showed non-enantioselective transformations, with high and consistent transformation of both (R)- and (S)-ibuprofen (93 ± 6%, n= 10), but lower removals of both enantiomers of naproxen (46 ± 16%, n= 10) and ketoprofen (48 ± 17%, n= 10). Enantiomeric analysis revealed a bidirectional but uneven inversion of the profens, for example 14% inversion of (R)- to (S)- compared to 4% from (S)- to (R)-naproxen. With redox-mediator addition, the enzymatic chiral inversion of both (R)- and (S)-profens remained unchanged, although the overall conversion became enantioselective; except for (S)-naproxen, the addition of redox mediator promoted the degradation of (R)-profens only.

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