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The use of respirometric measurements to determine the toxicity of textile dyes in aqueous solution and after oxidative decolourisation processes.

Selected results from the degradation of reactive-dye hydrolysates after UV irradiation, ozonation and sodium peroxodisulphate (NaPS) treatment are presented. Reactive dyes with representative chromophores and anchor groups were chosen for the research project. Different stages of oxidative decolour... Full description

Journal Title: Chemosphere May 2007, Vol.67(11), pp.2163-2168
Main Author: Boschke, Elke
Other Authors: Böhmer, Ulrike , Lange, Jürgen , Constapel, Marc , Schellenträger, Marc , Bley, Thomas
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0045-6535
Link: http://search.proquest.com/docview/70317343/?pq-origsite=primo
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title: The use of respirometric measurements to determine the toxicity of textile dyes in aqueous solution and after oxidative decolourisation processes.
format: Article
creator:
  • Boschke, Elke
  • Böhmer, Ulrike
  • Lange, Jürgen
  • Constapel, Marc
  • Schellenträger, Marc
  • Bley, Thomas
subjects:
  • Color–Chemistry
  • Coloring Agents–Radiation Effects
  • Culture Media–Toxicity
  • Hydrolysis–Chemistry
  • Kinetics–Analysis
  • Manometry–Drug Effects
  • Microwaves–Chemistry
  • Oxidants, Photochemical–Chemistry
  • Oxidation-Reduction–Drug Effects
  • Oxygen–Metabolism
  • Oxygen Consumption–Metabolism
  • Ozone–Metabolism
  • Pseudomonas Putida–Metabolism
  • Reproducibility of Results–Metabolism
  • Solutions–Metabolism
  • Textile Industry–Metabolism
  • Ultraviolet Rays–Metabolism
  • Coloring Agents
  • Culture Media
  • Oxidants, Photochemical
ispartof: Chemosphere, May 2007, Vol.67(11), pp.2163-2168
description: Selected results from the degradation of reactive-dye hydrolysates after UV irradiation, ozonation and sodium peroxodisulphate (NaPS) treatment are presented. Reactive dyes with representative chromophores and anchor groups were chosen for the research project. Different stages of oxidative decolourisation were examined and determined by water parameters for biological degradation (BOD). The paper focuses on toxicity tests with Pseudomonas putida to consider whether the oxidative treatments result in products with a risk for the environment. Tests were performed with the AQUALYTIC super(()R) Sensomat System, which measures biological oxygen demand (BOD). It was determined that the chosen oxidative treatments had as a rule no bearing on respiration of P. putida. Experiments with hydrolysates after short-term UV irradiation resulted in a slightly increased but not long-lasting toxicity in comparison with treatments with ozone or NaPS. Toxic effects were found in tests with hydrolysates of metalliferous dyes. During oxidative treatment, metals were liberated from the chromophores. This did cause complete inhibition of respiration of P. putida. Dye Blue E, a member of a dye class with chlorotriazine anchor groups, was itself found to be toxic, caused by the reactivity of the anchor group. The hydrolysate is only of minor toxicity.
language: eng
source:
identifier: ISSN: 0045-6535
fulltext: no_fulltext
issn:
  • 00456535
  • 0045-6535
url: Link


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titleThe use of respirometric measurements to determine the toxicity of textile dyes in aqueous solution and after oxidative decolourisation processes.
creatorBoschke, Elke ; Böhmer, Ulrike ; Lange, Jürgen ; Constapel, Marc ; Schellenträger, Marc ; Bley, Thomas
contributorBoschke, Elke (correspondence author) ; Boschke, Elke (record owner)
ispartofChemosphere, May 2007, Vol.67(11), pp.2163-2168
identifierISSN: 0045-6535
subjectColor–Chemistry ; Coloring Agents–Radiation Effects ; Culture Media–Toxicity ; Hydrolysis–Chemistry ; Kinetics–Analysis ; Manometry–Drug Effects ; Microwaves–Chemistry ; Oxidants, Photochemical–Chemistry ; Oxidation-Reduction–Drug Effects ; Oxygen–Metabolism ; Oxygen Consumption–Metabolism ; Ozone–Metabolism ; Pseudomonas Putida–Metabolism ; Reproducibility of Results–Metabolism ; Solutions–Metabolism ; Textile Industry–Metabolism ; Ultraviolet Rays–Metabolism ; Coloring Agents ; Culture Media ; Oxidants, Photochemical
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descriptionSelected results from the degradation of reactive-dye hydrolysates after UV irradiation, ozonation and sodium peroxodisulphate (NaPS) treatment are presented. Reactive dyes with representative chromophores and anchor groups were chosen for the research project. Different stages of oxidative decolourisation were examined and determined by water parameters for biological degradation (BOD). The paper focuses on toxicity tests with Pseudomonas putida to consider whether the oxidative treatments result in products with a risk for the environment. Tests were performed with the AQUALYTIC super(()R) Sensomat System, which measures biological oxygen demand (BOD). It was determined that the chosen oxidative treatments had as a rule no bearing on respiration of P. putida. Experiments with hydrolysates after short-term UV irradiation resulted in a slightly increased but not long-lasting toxicity in comparison with treatments with ozone or NaPS. Toxic effects were found in tests with hydrolysates of metalliferous dyes. During oxidative treatment, metals were liberated from the chromophores. This did cause complete inhibition of respiration of P. putida. Dye Blue E, a member of a dye class with chlorotriazine anchor groups, was itself found to be toxic, caused by the reactivity of the anchor group. The hydrolysate is only of minor toxicity.
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titleThe use of respirometric measurements to determine the toxicity of textile dyes in aqueous solution and after oxidative decolourisation processes.
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titleThe use of respirometric measurements to determine the toxicity of textile dyes in aqueous solution and after oxidative decolourisation processes.
authorBoschke, Elke ; Böhmer, Ulrike ; Lange, Jürgen ; Constapel, Marc ; Schellenträger, Marc ; Bley, Thomas
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4Kinetics–Analysis
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7Oxidants, Photochemical–Chemistry
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14Solutions–Metabolism
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16Ultraviolet Rays–Metabolism
17Coloring Agents
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