CAS RN:107-87-9

Disposal Methods

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.
Incineration /SRP: with effective emission controls./
... In this study, a strain of the dimorphic black yeast Exophiala lecanii-corni, which has been shown to degrade high concentrations of toluene in a bioreactor, was evaluated for its ability to degrade a variety of VOCs, both individually and in mixtures. The fungus was found to be able to use toluene, ethyl benzene, methyl propyl ketone, n-butyl acetate, and ethyl ethoxypropionate as sole sources of carbon and energy; however, E. lecanii-corni was unable to degrade either xylene or benzene. When mixtures of chemicals were added to cultures of E. lecanii-corni, the fungus again degraded all of the chemicals except xylene and benzene. ... . These preliminary studies indicate that E. Lecanii-corni would be a feasible organism to use in biofiltration due to its ability to degrade a wide range of VOCs, even under harsh environmental conditions.
... The biofilter, packed with cubed polyurethane foam media and operated with an empty bed residence time of 15s, was supplied with a four-component mixture of n-butyl acetate, methyl ethyl ketone, methyl propyl ketone, and toluene at target influent concentrations of 124, 50.5, 174, and 44.6 mg/cu m, respectively. This corresponds to a total VOC loading rate of 94.3g/(cu m.hr). Biofilter performance was evaluated over a 94-day period for three loading conditions intended to simulate processes generating contaminated gases only during daytime operation, daytime operation with weekend shutdown periods, and with long term (9-day) shutdown. Results indicate that fungal biofilters can be an effective alternative to conventional abatement technologies for treating solvent contaminated off-gases even under discontinuous loading conditions.
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