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- W2291924582 abstract "While several different biological techniques have been developed to eliminate hydrogen sulfide (H2S) from air, there are only few examples of successful results with high concentrations of carbon disulfide (CS2). A pilot-scale biological control system for the treatment of 2,000 ACFM of a gaseous stream containing up to 2,500 ppmv of carbon disulfide, was installed in a cellulose sponge manufacturing facility. The project`s objective was to evaluate the ability of the system to attain continuous removal efficiency levels of 90% for CS{sub 2} and 99% for H{sub 2}S. During the pilot test, the two-unit sequential biotrickling filter reached stable average removal efficiency and rate of 90% and 185 g S/m3-h (based on CS{sub 2} load); individual data analysis for each unit showed that first tower reached a maximum performance of 86% efficiency and 350 g S/m3-h removal rate. Removal efficiencies greater than 99% were obtained for H{sub 2}S during most test period. Furthermore, the system was evaluated for the treatment of a similar waste stream with high fluctuations on CS{sub 2} concentration (in order to assess the need for a dampening unit). New waste gas conditions had a negative impact on performance, which eventually improved reaching an efficiency of 77%;more » due to time constraints an steady-state was not attained during this test phase. Based on results, the BIOCYD technology demonstrated to be an effective process to remediate waste air streams generated at cellulose sponge facilities.« less" @default.
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- W2291924582 date "1998-12-31" @default.
- W2291924582 modified "2023-09-27" @default.
- W2291924582 title "Biological treatment of carbon disulfide laden air from sponge manufacturing facility" @default.
- W2291924582 hasPublicationYear "1998" @default.
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