Anaerobic biodegradability and methanogenic toxicity of key constituents in copper chemical mechanical planarization effluents of the semiconductor industry

Jeremy Hollingsworth, Maria Reye Sierra Alvarez, Michael Zhou, Kimberly L Ogden, James A Field

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Copper chemical mechanical planarization (CMP) effluents can account for 30-40% of the water discharge in semiconductor manufacturing. CMP effluents contain high concentrations of soluble copper and a complex mixture of organic constituents. The aim of this study is to perform a preliminary assessment of the treatability of CMP effluents in anaerobic sulfidogenic bioreactors inoculated with anaerobic granular sludge by testing individual compounds expected in the CMP effluents. Of all the compounds tested (copper (II), benzotriazoles, polyethylene glycol (Mn 300), polyethylene glycol (Mn 860) monooleate, perfluoro-1-octane sulfonate, citric acid, oxalic acid and isopropanol) only copper was found to be inhibitory to methanogenic activity at the concentrations tested. Most of the organic compounds tested were biodegradable with the exception of perfluoro-1-octane sulfonate and benzotriazoles under sulfate reducing conditions and with the exception of the same compounds as well as Triton X-100 under methanogenic conditions. The susceptibility of key components in CMP effluents to anaerobic biodegradation combined with their low microbial inhibition suggest that CMP effluents should be amenable to biological treatment in sulfate reducing bioreactors.

Original languageEnglish (US)
Pages (from-to)1219-1228
Number of pages10
JournalChemosphere
Volume59
Issue number9
DOIs
StatePublished - Jun 2005

Fingerprint

semiconductor industry
Semiconductors
Chemical mechanical polishing
Biodegradability
Toxicity
Copper
Effluents
Industry
Semiconductor materials
effluent
copper
toxicity
Bioreactors
Sulfates
sulfonate
Oxalic Acid
bioreactor
Polyethylene glycols
2-Propanol
Octoxynol

Keywords

  • Anaerobic degradation
  • Benzotriazole
  • CMP wastewater
  • Copper
  • Isopropanol
  • Methanogenesis
  • Microbial inhibition
  • Oxalic acid
  • PFOS
  • Polyethylene glycol
  • Semiconductor manufacturing
  • Sulfate reduction
  • Surfactants

ASJC Scopus subject areas

  • Environmental Chemistry
  • Environmental Science(all)

Cite this

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title = "Anaerobic biodegradability and methanogenic toxicity of key constituents in copper chemical mechanical planarization effluents of the semiconductor industry",
abstract = "Copper chemical mechanical planarization (CMP) effluents can account for 30-40{\%} of the water discharge in semiconductor manufacturing. CMP effluents contain high concentrations of soluble copper and a complex mixture of organic constituents. The aim of this study is to perform a preliminary assessment of the treatability of CMP effluents in anaerobic sulfidogenic bioreactors inoculated with anaerobic granular sludge by testing individual compounds expected in the CMP effluents. Of all the compounds tested (copper (II), benzotriazoles, polyethylene glycol (Mn 300), polyethylene glycol (Mn 860) monooleate, perfluoro-1-octane sulfonate, citric acid, oxalic acid and isopropanol) only copper was found to be inhibitory to methanogenic activity at the concentrations tested. Most of the organic compounds tested were biodegradable with the exception of perfluoro-1-octane sulfonate and benzotriazoles under sulfate reducing conditions and with the exception of the same compounds as well as Triton X-100 under methanogenic conditions. The susceptibility of key components in CMP effluents to anaerobic biodegradation combined with their low microbial inhibition suggest that CMP effluents should be amenable to biological treatment in sulfate reducing bioreactors.",
keywords = "Anaerobic degradation, Benzotriazole, CMP wastewater, Copper, Isopropanol, Methanogenesis, Microbial inhibition, Oxalic acid, PFOS, Polyethylene glycol, Semiconductor manufacturing, Sulfate reduction, Surfactants",
author = "Jeremy Hollingsworth and {Sierra Alvarez}, {Maria Reye} and Michael Zhou and Ogden, {Kimberly L} and Field, {James A}",
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T1 - Anaerobic biodegradability and methanogenic toxicity of key constituents in copper chemical mechanical planarization effluents of the semiconductor industry

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AU - Field, James A

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AB - Copper chemical mechanical planarization (CMP) effluents can account for 30-40% of the water discharge in semiconductor manufacturing. CMP effluents contain high concentrations of soluble copper and a complex mixture of organic constituents. The aim of this study is to perform a preliminary assessment of the treatability of CMP effluents in anaerobic sulfidogenic bioreactors inoculated with anaerobic granular sludge by testing individual compounds expected in the CMP effluents. Of all the compounds tested (copper (II), benzotriazoles, polyethylene glycol (Mn 300), polyethylene glycol (Mn 860) monooleate, perfluoro-1-octane sulfonate, citric acid, oxalic acid and isopropanol) only copper was found to be inhibitory to methanogenic activity at the concentrations tested. Most of the organic compounds tested were biodegradable with the exception of perfluoro-1-octane sulfonate and benzotriazoles under sulfate reducing conditions and with the exception of the same compounds as well as Triton X-100 under methanogenic conditions. The susceptibility of key components in CMP effluents to anaerobic biodegradation combined with their low microbial inhibition suggest that CMP effluents should be amenable to biological treatment in sulfate reducing bioreactors.

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