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The present work focuses on the Microbial degradation of three textile azo dyes, Acid Blue 113(AB113), Acid Black 24(ABK24) and Mordant Black 17 (MB17) by thirteen bacterial isolates as well by their consortia. Thirty five bacterial isolates were isolated from textile dyeing industry effluents. Proficient and rapid dye degradation was identified in thirteen isolates. Microbial consortia were developed...
Two kinds of pilot subsurface wastewater infiltration system (SWIS), named group A and group B were constructed in the laboratory. Group A was filled with mixed substrates composed of 80% meadow brown soil (MBS) and 20% cinder, while 80% MBS and 20% sand in group B. Both of the SWIS worked stably in an intermittent feeding mode during the period of the experiment. Under the hydraulic loading of 8-10m...
The degradation dynamics of phenanthrene in soil was studied. The half-life of phenanthrene in the non-sterilized contaminated soil was only 5.1 d, much shorter than the same in the sterilized soil. The dominant strain of phenanthrene microbial degradation was isolated and identified by 16S rDNA as Alcaligenes sp.; its growth and degradative capability were highest at 25°C and pH of 7.0. Inoculation...
Experiments were carried out to scrub cooking fumes using by clean water and by bio-slurry, and the effects on the removal rate of cooking oil and particles were studied. The results showed that the scrubbing effect of cooking fumes was the best when the bio-slurry concentration was 1.2 g/L. The particle sizes of fumes reduced from 0.2 ~ 62μm to 0.2 ~ 5μm, and compared with clean water washed, the...
Bioremediation of petroleum polluted soil using combination of plant rye grass and effective microbial group was carried out by pot experiment. The results show the degradation rate of 58% using combined treatment of plant and microorganisms after 162 days with enhancing of total petroleum hydrocarbon (TPH) degradation by 17% as compared to the control. The lower pH value and higher enzyme activity...
The efficiency and primary mechanism of phytoremediation of contaminated water with lambda-cyhalothrin, a synthetic pyrethroid pesticide, by water hyacinth (Eichhornia crassipes) was investigated. Around 11 g water hyacinth (Eichhornia crassipes Solms) grown in 250 ml culture solution was used to study the mechanism and effect of the removal of lambda-cyhalothrin in the growth chamber with a 14-h...
Organic matter contained in 4,000 kg of blue mussels was subjected to microbial degradation. Seawater (1,280 liter) trapped in the shells discharged by smashing shells, and the value of chemical oxygen demand (COD) was 5,800 mg/liter. The remaining solid organic matter (2,720 kg) including broken shells was washed with 6,000 liter of tap water to reduce NaCl concentration. The COD in the wastewater...
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