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EC number: 937-260-8
CAS number: -
Based on the analogue approach justification, the following results on biodegradability obtained on Vinasses, residue of fermentation, can be applied to the Vinasses, residue of fermentation, depotassified : readily biodegradable.
One key study is available
for Vinasses, residue of fermentation. The biodegradability was tested
according to the OECD guideline 301B “Ready Biodegradability: CO2
Evolution Test” (Desmares-Koopmans, 2010). Activated sludge (domestic,
non-adapted) was used as inoculum and the test substance was applied at
a concentration of 12 mg/L total organic carbon. A biodegradation of 70
– 75% was observed after 29 days without fulfilling the 10-day window
criterion. But since Vinasses, residue of fermentation is a UVCB the
10-day window should not be used for interpretation of biodegradability
test results of UVCBs according to “OECD Guidelines for the testing of
chemicals – Revised introduction to the OECD guidelines for testing of
chemicals, Section 3 – Part 1: Principles and strategies related to the
testing of degradation of organic chemicals degradation” published by
OECD (2006). It is possible that a sequential biodegradation took place
which might have led to a prolonged lag-phase and therefore to a slower
biodegradation period although the test substance was biodegraded in a
large amount during the test. In this case the pass level can be applied
after test termination. Therefore, Vinasses, residue of fermentation is
considered to be readily biodegradable.
Vinasses, residue of
fermentation, depotassified and Vinasses, residue of fermantation
contain very similar dry matter contents and the same types of
components with similar ranges. The test results obtained for Vinasses,
residue of fermentation on biodegradation, with fish (short term),
daphnia (long term), algae and activated sludge reveal no persistency
and no toxicity hazard for the aquatic environment. Therefore, an
analogy can be done on these properties between Vinasses, residue of
fermentation and Vinasses residue of fermentation, depotassified.
OECD (2006) Guidelines
for the testing of chemicals – Revised introduction to the OECD
guidelines for testing of chemicals, Section 3 – Part 1: Principles and
strategies related to the testing of degradation of organic chemicals
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