Kinetic Re-Evaluation of Fuel Neutralization by AKGA

机译：aKGa对燃料中和的动力学再评价

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Baseline characterization testing previously identified alpha-ketoglutaric acid (AKGA) cis a potential alternative to the current standard hydrazine (HZ) family fuel neutralization techniques inuse at Kennedy Space Center (KSC). Thus far, the reagent shows promise for use in hardware decontamination operations and as a drop-in replacement for the scrubber liquor currently used in KSC four tower vapor scrubbers. Implementation of AKGA could improve process safety andreduce or eliminate generation of hydrazine-Iaden waste streams. This paper focuses on evaluation of the kinetics of these decontamination reactions in solution. Pseudo first order reaction rate constants with respect to the pyridazine products (6-oxo-4,5-dihydro- 1H-pyridazine-3-carboxylic acid, (PCA) and 1-methyl-6-oxo- 4,5-dihydro-pyridazine- 3-carboxylic acid (mPCA)) in the presence of excess AKGA were determined by monitoring product formation using a ultra-violet visible absorption spectroscopy method. The resultsare presented here in comparison to previous data obtained by monitoringreactant depletion by gas chromatography with nitrogen phosphorus detector (GC-NPD).

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Kosiba, M.; Davis, C.;
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年度 2010
页码 1-5
总页数 5
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Hydrazines ; Reaction kinetics ; Streams ; Decontamination ; Methyl compounds ; Vapors ; Absorption spectroscopy ; Gas chromatography ; Safety;

机译：肼;反应动力学;流动;去污;甲基化合物;蒸气;吸收光谱;气相色谱;安全性;

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Kinetic Re-Evaluation of Fuel Neutralization by AKGA

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