STUDIES ON ADSORPTION AND BIODEGRADATION OF CHROMIUMCONTAINING WASTEWATER BY LABORATORY-SCALE SEQUENCING BATCH REACTOR-POWDERED ACTIVATED CARBON SYSTEM

2011 ◽  
Vol 10 (10) ◽  
pp. 1425-1432
Author(s):  
Soon-An Ong ◽  
Eiichi Toorisaka ◽  
Makoto Hirata ◽  
Tadashi Hano
Keyword(s):  
Activated Carbon ◽  
Sequencing Batch Reactor ◽  
Batch Reactor ◽  
Powdered Activated Carbon ◽  
Laboratory Scale ◽  
Carbon System

Adsorption isotherms in landfill leachate treatment using powdered activated carbon augmented sequencing batch reactor technique: Statistical analysis by response surface methodology

2012 ◽  
Vol 10 (1) ◽  
Author(s):  
Shuokr Qarani Aziz ◽  
Dr. Hamidi Abdul Aziz ◽  
Mohd Suffian Yusoff ◽  
Amin Mojiri ◽  
Salem S. Abu Amr
Keyword(s):  
Activated Carbon ◽  
Adsorption Isotherms ◽  
Landfill Leachate ◽  
Sequencing Batch Reactor ◽  
Batch Reactor ◽  
Great Part ◽  
Ammonia Nitrogen ◽  
Aeration Rate ◽  
Powdered Activated Carbon ◽  
Leachate Treatment

Abstract Landfill leachate was treated using non-powdered activated carbon sequencing batch reactor (NPAC-SBR) and powdered activated carbon (PAC) augmented SBR (PAC-SBR) processesto examine Langmuir and Freundlichadsorption isothermsin the SBR technique.Response surface methodology (RSM) was used for the experimental design and statistical analysis.Based on the obtained results, the maximum adsorption capacitiesof ammonia nitrogen (NH3-N), color, and chemical oxygen demand (COD) for the Langmuir adsorption isotherm were 5.63 mg/g, 25.30 Pt.Co/g, and 13.21 mg/g,respectively, whereas for the Freundlichadsorption isotherm, thesewere 6 mg/g, 46.29Pt.Co/g, and 15.41 mg/g, respectively.Generally, Freundlich isotherm values for NH3-N, color, and COD were higher than Langmuir isotherm values.The NH3-N adsorption on PAC was lower than the color and COD adsorptions because a great part of NH3-Nwas biologically removed in the SBR process.Increasing aeration rate and contact times in the SBR processes increased the adsorption isotherms of NH3-N, color, and COD on PAC

COD removal of phenolic wastewater by biological activated carbon-sequencing batch reactor in the presence of 2,4-DCP

2000 ◽  
Vol 42 (5-6) ◽  
pp. 171-178 ◽  
Author(s):  
S.-R. Ha ◽  
L. Qishan ◽  
S. Vinitnantharat
Keyword(s):  
Activated Carbon ◽  
Retention Time ◽  
Sequencing Batch Reactor ◽  
Batch Reactor ◽  
Cod Removal ◽  
High Loading ◽  
Treatment Efficiency ◽  
Biological Activated Carbon ◽  
Treatment Performance ◽  
Phenolic Wastewater

Treatment performance of COD in the presence of 2,4-dichlorophenol (2,4-DCP) was explored by using a biological activated carbon-sequencing batch reactor (BAC-SBR) system. Two COD levels of basic substrate were synthesized with a mixture of phenol and 2,4-dichlorophenol. Although effluent concentration was increased with reduction of sludge retention time (SRT) from 8-days to 3-days, treatment efficiency was indicated more than 90% of COD in all SRTs applied. Reactors operated with acclimated sludge could be expected to cope with quite high loading of inhibitory substances.

Granular activated carbon-biofilm configured sequencing batch reactor treatment of C.I. Acid Orange 7

2008 ◽  
Vol 76 (1) ◽  
pp. 142-146 ◽  
Author(s):  
Soon-An Ong ◽  
Eiichi Toorisaka ◽  
Makoto Hirata ◽  
Tadashi Hano
Keyword(s):  
Activated Carbon ◽  
Sequencing Batch Reactor ◽  
Batch Reactor ◽  
Granular Activated Carbon ◽  
Acid Orange 7 ◽  
Acid Orange

Efficient treatment of dairy processing wastewater in a laboratory scale Intermittently Aerated Sequencing Batch Reactor (IASBR)

2018 ◽  
Vol 85 (3) ◽  
pp. 379-383 ◽  
Author(s):  
Peter Leonard ◽  
Emma Tarpey ◽  
William Finnegan ◽  
Xinmin Zhan
Keyword(s):  
Wastewater Treatment ◽  
Retention Time ◽  
Wastewater Treatment Plant ◽  
Sequencing Batch Reactor ◽  
Batch Reactor ◽  
Treatment Plant ◽  
Laboratory Scale ◽  
Synthetic Wastewater ◽  
Operational Parameters ◽  
Dairy Processing

This Research Communication describes an investigation into the viability of an Intermittently Aerated Sequencing Batch Reactor (IASBR) for the treatment of dairy processing wastewater at laboratory-scale. A number of operational parameters have been varied and the effect has been monitored in order to determine optimal conditions for maximising removal efficiencies. These operational parameters include Hydraulic Retention Time (HRT), Solids Retention Time (SRT), aeration rate and cycle length. Real dairy processing wastewater and synthetic wastewater have been treated using three laboratory-scale IASBR units in a temperature controlled room. When the operational conditions were established, the units were seeded using sludge from a municipal wastewater treatment plant for the first experiment, and sludge from a dairy processing factory for the second and third experiment. In experiment three, the reactors were fed on real wastewater from the wastewater treatment plant at this dairy processing factory. These laboratory-scale systems will be used to demonstrate over time that the IASBR system is a consistent, viable option for treatment of dairy processing wastewater in this sector. In this study, the capacity of a biological system to remove both nitrogen and phosphorus within one reactor will be demonstrated. The initial operational parameters for a pilot-scale IASBR system will be derived from the results of the study.

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