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Characterization of the Effluents from Leather Processing Industries

The present paper puts forth the complete characterization of effluents produced at various leather processing stages of three selected tannery industries, and of composite effluents at three selected monitoring points (P 1 , P 2 and P 3 ) located at Hazaribagh leather industrial zone in Bangladesh.... Full description

Journal Title: Environmental Processes 2015, Vol.2(1), pp.173-187
Main Author: Chowdhury, Manjushree
Other Authors: Mostafa, M. , Biswas, Tapan , Mandal, Abul , Saha, Ananda
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 2198-7491 ; E-ISSN: 2198-7505 ; DOI: 10.1007/s40710-015-0065-7
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recordid: springer_jour10.1007/s40710-015-0065-7
title: Characterization of the Effluents from Leather Processing Industries
format: Article
creator:
  • Chowdhury, Manjushree
  • Mostafa, M.
  • Biswas, Tapan
  • Mandal, Abul
  • Saha, Ananda
subjects:
  • Tannery effluents
  • Toxic pollutants
  • Retanning and dyeing
  • Pelt
  • Seasonal variations
  • Pickling and Chrome tanning
ispartof: Environmental Processes, 2015, Vol.2(1), pp.173-187
description: The present paper puts forth the complete characterization of effluents produced at various leather processing stages of three selected tannery industries, and of composite effluents at three selected monitoring points (P 1 , P 2 and P 3 ) located at Hazaribagh leather industrial zone in Bangladesh. The analysis results show that the effluents possess extremely high values of TSS, EC, TDS, TS, BOD 5 and COD, and high concentrations of SO 4 2− , Na, Cl − , Cr, As, Cd and Pb. The values were far above the standard permissible limits set by ISW–BDS-ECR (1997), ISI (2000) and NEQS (2000). The mean concentration of TSS, TDS, SO 4 2− , Cl − , BOD 5 , COD, Na, Cr, As, Cd and Pb in the collected composite tannery effluents, at all monitoring points, were also above the standard disposal limits. The pollutant levels observed at the three monitoring points were in the order P 1  > P 2  > P 3 indicating pollution level decreasing with distance. The study also revealed that the concentrations of various metal ions in the sludge were very high, and the concentrations of Cr and Na ions in particular were about 10,000 and 6000 mg/kg, respectively. The concentrations of chemicals in the sludge were in the order: Cr > Na > Ca > S > Mg > P > Cu > TN > Zn > Organic compound > Pb > As > Cd. So, it is concluded that the leather industrial effluent was highly polluted and not suitable for irrigation or any other uses.
language: eng
source:
identifier: ISSN: 2198-7491 ; E-ISSN: 2198-7505 ; DOI: 10.1007/s40710-015-0065-7
fulltext: fulltext_linktorsrc
issn:
  • 2198-7505
  • 21987505
  • 2198-7491
  • 21987491
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titleCharacterization of the Effluents from Leather Processing Industries
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subjectTannery effluents ; Toxic pollutants ; Retanning and dyeing ; Pelt ; Seasonal variations ; Pickling and Chrome tanning
descriptionThe present paper puts forth the complete characterization of effluents produced at various leather processing stages of three selected tannery industries, and of composite effluents at three selected monitoring points (P 1 , P 2 and P 3 ) located at Hazaribagh leather industrial zone in Bangladesh. The analysis results show that the effluents possess extremely high values of TSS, EC, TDS, TS, BOD 5 and COD, and high concentrations of SO 4 2− , Na, Cl − , Cr, As, Cd and Pb. The values were far above the standard permissible limits set by ISW–BDS-ECR (1997), ISI (2000) and NEQS (2000). The mean concentration of TSS, TDS, SO 4 2− , Cl − , BOD 5 , COD, Na, Cr, As, Cd and Pb in the collected composite tannery effluents, at all monitoring points, were also above the standard disposal limits. The pollutant levels observed at the three monitoring points were in the order P 1  > P 2  > P 3 indicating pollution level decreasing with distance. The study also revealed that the concentrations of various metal ions in the sludge were very high, and the concentrations of Cr and Na ions in particular were about 10,000 and 6000 mg/kg, respectively. The concentrations of chemicals in the sludge were in the order: Cr > Na > Ca > S > Mg > P > Cu > TN > Zn > Organic compound > Pb > As > Cd. So, it is concluded that the leather industrial effluent was highly polluted and not suitable for irrigation or any other uses.
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titleCharacterization of the Effluents from Leather Processing Industries
descriptionThe present paper puts forth the complete characterization of effluents produced at various leather processing stages of three selected tannery industries, and of composite effluents at three selected monitoring points (P 1 , P 2 and P 3 ) located at Hazaribagh leather industrial zone in Bangladesh. The analysis results show that the effluents possess extremely high values of TSS, EC, TDS, TS, BOD 5 and COD, and high concentrations of SO 4 2− , Na, Cl − , Cr, As, Cd and Pb. The values were far above the standard permissible limits set by ISW–BDS-ECR (1997), ISI (2000) and NEQS (2000). The mean concentration of TSS, TDS, SO 4 2− , Cl − , BOD 5 , COD, Na, Cr, As, Cd and Pb in the collected composite tannery effluents, at all monitoring points, were also above the standard disposal limits. The pollutant levels observed at the three monitoring points were in the order P 1  > P 2  > P 3 indicating pollution level decreasing with distance. The study also revealed that the concentrations of various metal ions in the sludge were very high, and the concentrations of Cr and Na ions in particular were about 10,000 and 6000 mg/kg, respectively. The concentrations of chemicals in the sludge were in the order: Cr > Na > Ca > S > Mg > P > Cu > TN > Zn > Organic compound > Pb > As > Cd. So, it is concluded that the leather industrial effluent was highly polluted and not suitable for irrigation or any other uses.
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abstractThe present paper puts forth the complete characterization of effluents produced at various leather processing stages of three selected tannery industries, and of composite effluents at three selected monitoring points (P 1 , P 2 and P 3 ) located at Hazaribagh leather industrial zone in Bangladesh. The analysis results show that the effluents possess extremely high values of TSS, EC, TDS, TS, BOD 5 and COD, and high concentrations of SO 4 2− , Na, Cl − , Cr, As, Cd and Pb. The values were far above the standard permissible limits set by ISW–BDS-ECR (1997), ISI (2000) and NEQS (2000). The mean concentration of TSS, TDS, SO 4 2− , Cl − , BOD 5 , COD, Na, Cr, As, Cd and Pb in the collected composite tannery effluents, at all monitoring points, were also above the standard disposal limits. The pollutant levels observed at the three monitoring points were in the order P 1  > P 2  > P 3 indicating pollution level decreasing with distance. The study also revealed that the concentrations of various metal ions in the sludge were very high, and the concentrations of Cr and Na ions in particular were about 10,000 and 6000 mg/kg, respectively. The concentrations of chemicals in the sludge were in the order: Cr > Na > Ca > S > Mg > P > Cu > TN > Zn > Organic compound > Pb > As > Cd. So, it is concluded that the leather industrial effluent was highly polluted and not suitable for irrigation or any other uses.
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