Ethylenediamine-N,N'-diglutaric acid (EDDG) as a promising biodegradable chelator: Quantification, complexation and biodegradation

Ana B. Lanham; Mónica Carvalheira; Alexandre Mourão Rodrigues; Vitor Vale Cardoso; Maria João Benoliel; Teresa Barros Maria; Maria João Morgado; Helena M V M Soares; Paulo Costa Lemos; Maria A M Reis

doi:10.1080/10934529.2011.562805

Ethylenediamine-N,N'-diglutaric acid (EDDG) as a promising biodegradable chelator: Quantification, complexation and biodegradation

Ana B. Lanham, Mónica Carvalheira, Alexandre Mourão Rodrigues, Vitor Vale Cardoso, Maria João Benoliel, Teresa Barros Maria, Maria João Morgado, Helena M V M Soares, Paulo Costa Lemos, Maria A M Reis

Department of Chemical Engineering

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3 Citations (SciVal)

Abstract

[S,S]-ethylenediamine-N,N'-diglutaric acid (EDDG) has been gaining interest in the industrial sector as a promising chelator. In this study, the effective metal complexing capacity of EDDG over a wide pH range was modelled and its biodegradability assessed. Results showed that EDDG could effectively bind to several metallic ions in a wide pH range and was completely biodegraded after approximately 15 days by un-acclimatized sludge. To confirm its biodegradability, an accurate quantification method based on the combination of liquid chromatography and tandem quadrupole mass spectrometry (LC-MS/MS) was developed. Good linearity of the detector response was found for EDDG at concentrations ranging from 0,15 to 1,2 mg/L.

Original language	English
Pages (from-to)	553-559
Number of pages	7
Journal	Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume	46
Issue number	6
DOIs	https://doi.org/10.1080/10934529.2011.562805
Publication status	Published - 2011

Keywords

Biodegradable
Chemical analysis
Environmental chemistry
Waste water

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10.1080/10934529.2011.562805

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Lanham, A. B., Carvalheira, M., Rodrigues, A. M., Cardoso, V. V., Benoliel, M. J., Maria, T. B., Morgado, M. J., Soares, H. M. V. M., Lemos, P. C., & Reis, M. A. M. (2011). Ethylenediamine-N,N'-diglutaric acid (EDDG) as a promising biodegradable chelator: Quantification, complexation and biodegradation. Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering, 46(6), 553-559. https://doi.org/10.1080/10934529.2011.562805

Ethylenediamine-N,N'-diglutaric acid (EDDG) as a promising biodegradable chelator: Quantification, complexation and biodegradation. / Lanham, Ana B.; Carvalheira, Mónica; Rodrigues, Alexandre Mourão et al.
In: Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering, Vol. 46, No. 6, 2011, p. 553-559.

Research output: Contribution to journal › Article › peer-review

Lanham, AB, Carvalheira, M, Rodrigues, AM, Cardoso, VV, Benoliel, MJ, Maria, TB, Morgado, MJ, Soares, HMVM, Lemos, PC & Reis, MAM 2011, 'Ethylenediamine-N,N'-diglutaric acid (EDDG) as a promising biodegradable chelator: Quantification, complexation and biodegradation', Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering, vol. 46, no. 6, pp. 553-559. https://doi.org/10.1080/10934529.2011.562805

Lanham AB, Carvalheira M, Rodrigues AM, Cardoso VV, Benoliel MJ, Maria TB et al. Ethylenediamine-N,N'-diglutaric acid (EDDG) as a promising biodegradable chelator: Quantification, complexation and biodegradation. Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering. 2011;46(6):553-559. doi: 10.1080/10934529.2011.562805

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abstract = "[S,S]-ethylenediamine-N,N'-diglutaric acid (EDDG) has been gaining interest in the industrial sector as a promising chelator. In this study, the effective metal complexing capacity of EDDG over a wide pH range was modelled and its biodegradability assessed. Results showed that EDDG could effectively bind to several metallic ions in a wide pH range and was completely biodegraded after approximately 15 days by un-acclimatized sludge. To confirm its biodegradability, an accurate quantification method based on the combination of liquid chromatography and tandem quadrupole mass spectrometry (LC-MS/MS) was developed. Good linearity of the detector response was found for EDDG at concentrations ranging from 0,15 to 1,2 mg/L.",

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AU - Carvalheira, Mónica

AU - Rodrigues, Alexandre Mourão

AU - Cardoso, Vitor Vale

AU - Benoliel, Maria João

AU - Maria, Teresa Barros

AU - Morgado, Maria João

AU - Soares, Helena M V M

AU - Lemos, Paulo Costa

AU - Reis, Maria A M

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AB - [S,S]-ethylenediamine-N,N'-diglutaric acid (EDDG) has been gaining interest in the industrial sector as a promising chelator. In this study, the effective metal complexing capacity of EDDG over a wide pH range was modelled and its biodegradability assessed. Results showed that EDDG could effectively bind to several metallic ions in a wide pH range and was completely biodegraded after approximately 15 days by un-acclimatized sludge. To confirm its biodegradability, an accurate quantification method based on the combination of liquid chromatography and tandem quadrupole mass spectrometry (LC-MS/MS) was developed. Good linearity of the detector response was found for EDDG at concentrations ranging from 0,15 to 1,2 mg/L.

KW - Biodegradable

KW - Chemical analysis

KW - Environmental chemistry

KW - Waste water

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Ethylenediamine-N,N'-diglutaric acid (EDDG) as a promising biodegradable chelator: Quantification, complexation and biodegradation

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Keywords

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