Immobilization of Trametes versicolor cultures for improving laccase production in bubble column reactor intensified by sonication

2012 ◽  
Vol 40 (1) ◽  
pp. 141-150 ◽  
Author(s):  
Feng Wang ◽  
Chen Guo ◽  
Chun-Zhao Liu
Keyword(s):  
Trametes Versicolor ◽  
Bubble Column ◽  
Bubble Column Reactor ◽  
Laccase Production ◽  
Column Reactor

scholarly journals Optimization of C/N Ratio and Inducers for Wastewater Paper Industry Treatment Using Trametes versicolor Immobilized in Bubble Column Reactor

2013 ◽  
Vol 2013 ◽  
pp. 1-11 ◽  
Author(s):  
Aura M. Pedroza-Rodríguez ◽  
Refugio Rodríguez-Vázquez
Keyword(s):  
Enzymatic Activity ◽  
Trametes Versicolor ◽  
Heterotrophic Bacteria ◽  
Bubble Column ◽  
Paper Industry ◽  
Pulp Mill ◽  
Cod Removal ◽  
Bubble Column Reactor ◽  
Column Reactor ◽  
Cod Reduction

C/N ratio and MnSO4 and CuSO4 concentrations were optimized for decolorization and chemical oxygen demand (COD) removal of bleached Kraft pulp mill effluent by Trametes versicolor immobilized in polyurethane foam. Statistical differences (P<0.0001) at high C/N ratios (169), 2 mM CuSO4, and 0.071 mM MnSO4 were determined. Decolorization of 60.5%, COD removal of 55%, laccase (LAC) 60 U/L, and manganese peroxidase (MnP) 8.4 U/L were obtained. Maximum of decolorization (82%), COD removal (83%), LAC (443.5 U/L), and MnP (18 U/L) activities at C/N ratio of 405 (6.75 mM CuSO4 and 0.22 mM MnSO4) was achieved in step 7 at 4 d. Positive correlation between the decolorization, COD removal, and enzymatic activity was found (P<0.0001). T. versicolor bioremediation capacity was evaluated in bubble column reactor during 8 d. Effluent was adjusted according to optimized parameters and treated at 25°C and air flow of 800 mL/min. Heterotrophic bacteria growth was not inhibited by fungus. After 4 d, 82% of COD reduction and 80% decolorization were recorded. Additionally, enzymatic activity of LAC (345 U/L) and MnP (78 U/L) was observed. The COD reduction and decolorization correlated positively (P<0.0001) with enzymatic activity. Chlorophenol removal was 98% of pentachlorophenol (PCP), 92% of 2,4,5-trichlorophenol (2,4,5-TCP), 90% of 3,4-dichlorophenol (3,4-DCP), and 99% of 4-chlorophenols (4CP).

Flow visualization of bubble structure in bubble column reactor for fluid mixing

2017 ◽  
Author(s):  
Nur Afizah Ibrahim ◽  
Amir Khalid ◽  
Izzuddin Zaman ◽  
Azwan Sapit ◽  
Bukhari Manshoor
Keyword(s):  
Flow Visualization ◽  
Bubble Column ◽  
Fluid Mixing ◽  
Bubble Column Reactor ◽  
Column Reactor ◽  
Bubble Structure

Modeling and simulation of a bench-scale bubble column reactor for slurry phase hydrocracking of vacuum residue

Fuel ◽  
2021 ◽  
pp. 122481
Author(s):  
Hung Hai Pham ◽  
Suk Hyun Lim ◽  
Kang Seok Go ◽  
Nam Sun Nho ◽  
Eun Hee Kwon ◽  
...  
Keyword(s):  
Modeling And Simulation ◽  
Bubble Column ◽  
Bubble Column Reactor ◽  
Vacuum Residue ◽  
Column Reactor ◽  
Bench Scale ◽  
Slurry Phase

Removal process of CO2 using MDEA aqueous solutions in a bubble column reactor

2009 ◽  
Vol 146 (2) ◽  
pp. 184-188 ◽  
Author(s):  
José M. Navaza ◽  
Diego Gómez-Díaz ◽  
M Dolores La Rubia
Keyword(s):  
Aqueous Solutions ◽  
Bubble Column ◽  
Bubble Column Reactor ◽  
Column Reactor ◽  
Removal Process

scholarly journals Mass Transfer Coefficient Studies in Bubble Column Reactor

2010 ◽  
Vol 4 (7) ◽  
Author(s):  
D. Devakumar ◽  
K. Saravanan ◽  
T. Kannadasan ◽  
B. Meenakshipriya
Keyword(s):  
Mass Transfer ◽  
Transfer Coefficient ◽  
Mass Transfer Coefficient ◽  
Bubble Column ◽  
Bubble Column Reactor ◽  
Column Reactor
Sign in / Sign up

Export Citation Format

Share Document