Biodegradation of metal-[S,S]-EDDS complexes.

  title={Biodegradation of metal-[S,S]-EDDS complexes.},
  author={P C Vandevivere and Hans Saveyn and Willy Verstraete and Tom C. J. Feijtel and D. Schowanek},
  journal={Environmental science & technology},
  volume={35 9},
The [S,S]-stereoisomer of ethylenediaminedisuccinic acid (EDDS), a biodegradable strong metal chelant, has substituted traditional chelants in a number of consumer products. However biodegradability of metal-EDDS complexes has remained largely undocumented. In the present study, activated sludge fed with EDDS as sole C and N source, was shown to readily biodegrade 1 mM pulses of Ca-, Cr(III)-, Fe(III)-, Pb-, Al-, Cd-, Mg-, Na-, or ZnEDDS (the latter only after extensive lag phase). On the other… CONTINUE READING

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