scholarly journals Effects of pentachlorophenol load on PCP, COD and NH3-N removal in lab-scale multimedia-sequencing batch biofilm reactor treating recycled paper mill wastewater

2019 ◽  
Vol 40 (3(SI)) ◽  
pp. 556-562 ◽  
Author(s):  
M.H. Muhamad ◽  
◽  
S.R.S. Abdullah ◽  
H.A. Hasan ◽  
N.I. Ismail ◽  
...  
Keyword(s):  
Paper Mill ◽  
Biofilm Reactor ◽  
Recycled Paper ◽  
Sequencing Batch Biofilm Reactor ◽  
N Removal ◽  
Paper Mill Wastewater

Application of sequencing batch biofilm reactor (SBBR) to recycled paper mill effluent treatment

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Shuangshuang Chen ◽  
Lirong Lei ◽  
Youming Li
Keyword(s):  
Removal Rate ◽  
Oxygen Demand ◽  
Total Suspended Solid ◽  
Paper Mill ◽  
Suspended Solid ◽  
Biofilm Reactor ◽  
Effluent Treatment ◽  
Recycled Paper ◽  
Paper Mill Effluent ◽  
Sequencing Batch Biofilm Reactor

Abstract Paper mill effluent has been characterized as recalcitrant because of containing lignin and its derivatives. Since biofilm system exhibits a notable potential for the removal of recalcitrant contaminants, a sequencing batch biofilm reactor (SBBR) was employed to treat coagulated recycled paper mill effluent in this study. The results indicated that the SBBR removed 91.3 % of chemical oxygen demand (COD), whilst total suspended solid (TSS) and color removal reached 83.1 % and 71.0 %, respectively. The microbial analysis suggested that three typical heterotrophic phyla, Proteobacteria, Bacteroidetes and Acidobacteria are dominant bacteria and reflected the removal of recalcitrant contaminants. The COD removal rate of SBBR is evidently superior to conventional activated sludge process due to high sludge concentration as well as long sludge retention time (SRT). Whilst the problem of sludge bulking can be successfully avoided, the blockage of reactor caused by TSS accumulation and microbial growth deserve further investigation.

Effect of hydraulic retention time (HRT) on pentachlorophenol (PCP) and COD removal in a pilot GAC-SBBR system for the post-treatment of recycled paper mill wastewater

2012 ◽  
Vol 48 (1-3) ◽  
pp. 50-59 ◽  
Author(s):  
Mohd Hafizuddin Muhamad ◽  
Siti Rozaimah Sheikh Abdullah ◽  
Abu Bakar Mohamad ◽  
Rakmi Abdul Rahman ◽  
Abdul Amir Hasan Kadhum
Keyword(s):  
Retention Time ◽  
Hydraulic Retention Time ◽  
Paper Mill ◽  
Post Treatment ◽  
Cod Removal ◽  
Recycled Paper ◽  
Paper Mill Wastewater

scholarly journals Biogas production from recycled paper mill wastewater by UASB digester: Optimal and mesophilic conditions

2020 ◽  
Vol 25 ◽  
pp. e00402 ◽  
Author(s):  
Mohammed Bakraoui ◽  
Fadoua Karouach ◽  
Badr Ouhammou ◽  
Mohammed Aggour ◽  
Azzouz Essamri ◽  
...  
Keyword(s):  
Biogas Production ◽  
Paper Mill ◽  
Recycled Paper ◽  
Paper Mill Wastewater ◽  
Mesophilic Conditions

Combination of photo-Fenton and biological SBBR processes for sulfamethoxazole remediation

2008 ◽  
Vol 58 (9) ◽  
pp. 1707-1713 ◽  
Author(s):  
O. González ◽  
M. Esplugas ◽  
C. Sans ◽  
S. Esplugas
Keyword(s):  
Biological Treatment ◽  
Fenton Reaction ◽  
Biofilm Reactor ◽  
Synthetic Wastewater ◽  
Total N ◽  
Sequencing Batch Biofilm Reactor ◽  
N Removal ◽  
Start Up ◽  
C And N ◽  
Combined Strategy

A combined strategy of a photo-Fenton pretreatment followed by a Sequencing Batch Biofilm Reactor (SBBR) was evaluated for total C and N removal from a synthetic wastewater containing 200 mg L−1 of the antibiotic Sulfamethoxazole (SMX). Photo-Fenton reaction was performed with two different H2O2 concentrations (300 and 400 mg L−1) and 10 mg L−1 of Fe2 + . The pre-treated effluents with the antibiotic intermediates as sole carbon source, together with a nutrients solution, were used as feed for the biological reactor. The SBBR was operated under aerobic conditions to mineralize the organic carbon and the hydraulic retention time (HRT) was optimized down to 8 hours. Then, an anoxic denitrification stage of 24 hours of HRT was added right after the aerobic stage of the same duration in order to remove the NO3− generated along the chemical–biological treatment. TOC, COD and SMX concentrations together with O2 uptake rate (OUR) profiles were monitored in purpose of assessing the performance of the system. NO3−, NH4+ and total N concentrations were analyzed to find out the fate of N contained in the initial SMX molecule. A start up strategy resulted in the correct formation of a biofilm over the volcanic support. The total TOC removals achieved with the combination of the chemical and the biological processes were 75.7 and 87.7% for the low and the high H2O2 concentration pretreatments respectively. Practically all N present in the SMX solution was eliminated in the SBBR when the aerobic–anoxic strategy was used.

Evaluation of Sequencing Batch Biofilm Reactor for Biological Nutrient Removal from Simulated Domestic Wastewater

2012 ◽  
Vol 209-211 ◽  
pp. 2049-2052
Author(s):  
Chang Hang Wu ◽  
Wei Jun Zhang
Keyword(s):  
Removal Efficiency ◽  
Nutrient Removal ◽  
Domestic Wastewater ◽  
Biofilm Reactor ◽  
Biological Nutrient Removal ◽  
Sequencing Batch Biofilm Reactor ◽  
N Removal ◽  
Nitrification Process ◽  
Nitrification And Denitrification ◽  
Denitrification Process

A lab-scale sequencing batch biofilm reactor (SBBR) was developed to treat domestic wastewater. After one year’s operation, the results were obtained as follows: when the reaction carried out in 3 h, COD removal efficiency approached or reached the maximal value, up to 90%. The nitrification process of NH3-N needed 4 h, and NH3-N removal efficiency reached the maximal value. Moreover, according to the variation of TN , NO3--N and NO2--N concentration in the nitrification and denitrification process, when NH3-N degraded to zero or the minimal value, just two cycles ending, it means that the SBBR system completed the nitrification and denitrification process.

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