Simultaneous removal of carbon and nitrogen by mycelial pellets of a heterotrophic nitrifying fungus-Penicillium sp. L1

2017 ◽  
Vol 123 (2) ◽  
pp. 223-229 ◽  
Author(s):  
Yuxiang Liu ◽  
Tingting Hu ◽  
Jing Zhao ◽  
Yongkang Lv ◽  
Ruipeng Ren
Keyword(s):  
Simultaneous Removal ◽  
Carbon And Nitrogen ◽  
Penicillium Sp ◽  
Mycelial Pellets

scholarly journals Nitrogen Removal in Oligotrophic Reservoir Water by a Mixed Aerobic Denitrifying Consortium: Influencing Factors and Immobilization Effects

2019 ◽  
Vol 16 (4) ◽  
pp. 583 ◽  
Author(s):  
Hanyue Wang ◽  
Tong Wang ◽  
Shangye Yang ◽  
Xueqing Liu ◽  
Liqing Kou ◽  
...  
Keyword(s):  
Carbon Source ◽  
Simultaneous Removal ◽  
Source Water ◽  
Reservoir Water ◽  
Carbon And Nitrogen ◽  
Initial Carbon ◽  
Oligotrophic Water ◽  
Lower Temperature ◽  
Significant Attention ◽  
Immobilized Consortium

Nitrogen pollution in reservoirs has received increasing attention in recent years. Although a number of aerobic denitrifying strains have been isolated to remove nitrogen from eutrophic waters, the situation in oligotrophic water environments has not received significant attention. In this study, a mixed aerobic denitrifying consortium screened from reservoir samples was used to remove nitrogen in an oligotrophic denitrification medium and actual oligotrophic source water. The results showed that the consortium removed 75.32% of nitrate (NO3−-N) and 63.11% of the total nitrogen (TN) in oligotrophic reservoir water during a 24-h aerobic cultivation. More initial carbon source was helpful for simultaneous removal of carbon and nitrogen in the reservoir source water. NO3−-N and TN were still reduced by 60.93% and 46.56% at a lower temperature (10 °C), respectively, though the rates were reduced. Moreover, adding phosphorus promoted bacterial growth and increased TN removal efficiency by around 20%. The performance of the immobilized consortium in source water was also explored. After 6 days of immobilization, approximately 25% of TN in the source water could be removed by the carriers, and the effects could last for at least 9 cycles of reuse. These results provide a good reference for the use of aerobic denitrifiers in oligotrophic reservoirs.

Simultaneous removal of carbon and nitrogen in an anaerobic inverse fluidized bed reactor

2006 ◽  
Vol 54 (2) ◽  
pp. 111-117 ◽  
Author(s):  
A. Alvarado-Lassman ◽  
E. Rustrián ◽  
M.A. García-Alvarado ◽  
E. Houbron
Keyword(s):  
Anaerobic Digestion ◽  
Carbon Source ◽  
Gas Phase ◽  
Fluidized Bed ◽  
Fluidized Bed Reactor ◽  
Synthetic Wastewater ◽  
Simultaneous Removal ◽  
Batch Experiments ◽  
Carbon And Nitrogen ◽  
Inverse Fluidized Bed

The evaluation of simultaneous removal of carbon and nitrogen in an anaerobic inverse fluidized bed reactor is described. Continuous and batch experiments were used, with synthetic wastewater and glucose as the carbon source with two different nitrate concentrations of 100 and 250 mg N-NO3/L. The evolution of substrates and the concentrations of intermediary products in the gas phase were followed. Results indicate that the use of the biofilm in the inverse fluidized bed reactor allows the expression of denitrification and methanization activities simultaneously without physical or time separation. The removal of nitrogen with both the feeding of 100 and 250 mgN-NO3/L was higher than 90%, while the removal of carbon was 65% on average for the feeding with 100 mgN-NO3/L and 70% on average for the feeding with 250 mg N-NO3/L. This carbon degradation is equivalent to that obtained during the operation of the reactor in the period previous to the nitrate feeding. It was found that by using high values of the COD/N ratio, the dissimilative reduction of nitrates is favoured. Denitrification and anaerobic digestion occurs simultaneously under low values of COD/N.

Reduction of Excess Sludge and Simultaneous Removal of Organic Carbon and Nitrogen by the Porous Carrier and Membrane Hybrid System

2003 ◽  
Vol 36 (10) ◽  
pp. 1156-1162 ◽  
Author(s):  
Kazuhiko Miyanaga ◽  
Shigeyuki Funada ◽  
Rieko Ichi-nohe ◽  
Yasunori Tanji ◽  
Hajime Unno
Keyword(s):  
Organic Carbon ◽  
Hybrid System ◽  
Simultaneous Removal ◽  
Excess Sludge ◽  
Porous Carrier ◽  
Carbon And Nitrogen

Simultaneous Removal of Carbon and Nitrogen from Swine Wastewater Using an Immobilized-Cell Reactor

2006 ◽  
Vol 132 (3) ◽  
pp. 423-429 ◽  
Author(s):  
Yun-Huin Lin ◽  
Sz-Chwun John Hwang ◽  
Jane-Yii Wu ◽  
Feng-Yueh Chang ◽  
Kuo-Cheng Chen
Keyword(s):  
Swine Wastewater ◽  
Simultaneous Removal ◽  
Immobilized Cell ◽  
Immobilized Cell Reactor ◽  
Carbon And Nitrogen ◽  
Cell Reactor

scholarly journals Carbon and nitrogen sources differently influence Penicillium sp. HC1 conidiation in solid and liquid culture

2015 ◽  
Vol 9 (47) ◽  
pp. 2290-2299 ◽  
Author(s):  
Gutierr eacute z Rojas Ivonne ◽  
Tibasosa Rodr iacute guez Geraldine ◽  
Moreno Sarmiento Nubia ◽  
Ximena Rodr iacute guez Bocanegra Mar iacute a ◽  
Montoya Dolly
Keyword(s):  
Liquid Culture ◽  
Nitrogen Sources ◽  
Carbon And Nitrogen Sources ◽  
Carbon And Nitrogen ◽  
Penicillium Sp
Sign in / Sign up

Export Citation Format

Share Document