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題 名 | 注氨油灰中硫酸氫銨及硫酸銨之定性與定量分析 |
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作 者 | 李嘉華; | 書刊名 | 台電工程月刊 |
卷 期 | 565 1995.09[民84.09] |
頁 次 | 頁41-49 |
分類號 | 341.92 |
關鍵詞 | 注氨油灰; 硫酸銨; 硫酸氫銨; 燃油鍋爐; 靜電集塵器; 熱重分析法; 差示掃描量熱法; Oil ash with NH[feb0]injection; Ammonium sulfate [(NH[feb2])[feaf]SO[feb2]]; Ammonium hydrogen sulfate [(NH[feb2])[feaf]SO[feb2]]; Oil fired boiler; Electrostatic precipitator; EP; Thermo gravimetry analysis; TGA; Differential scanning calorimetry; DSC; |
語 文 | 中文(Chinese) |
中文摘要 | 燃油發電廠為了有效控制煙氣注氨系統的注氨量,必須經常分析油灰中 硫酸氫銨及硫酸銨的成分,若採用傳統的化學濕式分析方法,試驗步驟不但繁瑣 又耗時費力,且不易精確地分析油灰中硫酸銨及硫酸銨的含量。因此本研究利用 TGA-DSC熱分析儀,提出另一簡易分析方法。 研究結果顯示硫酸氫銨在148.6℃融熔,在280℃到458℃間分解。而硫酸銨會先在 223℃到295℃間分解釋出NH�陛A和形成硫酸氫銨,緊接著在295℃到444℃間硫酸 氫銨會再分解氣化逸失。因此可應用硫酸氫銨及硫酸銨不同的熱分解性質,簡單 且準確的對油灰中硫酸氫銨及硫酸銨進行定性與定量分析。 |
英文摘要 | To optimize the amount of NH�� injection into the flue gasfor scrubbing SO�� in the oil fired power plants, it is necessaryto analyze the chemical compositions of oil ash. However, thetraditional chemical analyzing methods are labor-loading,time-consuming, and difficult to make the stoichiometric analysis for the ammonium hydrogen sulfate [(NT�淡SO��) andammonium sulafte [(NH��)�� SO�淫, therefore, a computer controlled TGA-DSC is employed in this study to slove analysisproblems. The test results showed that the peaks of TGA-DSCanalysis for the oxidation of oil ash, and the decomposition of(NH��)HSO)�� and (NH��)�特O�� were not overlapped, the phase of(NH��)HSO�� was changed at around 148.6 ℃ and decomposed attemperature from 280℃ to 458℃, (NH��)�特O�� was first decomposed to NH�� gas and (NH��)HSO�� at temperature from 222℃ to295 ℃, and the ammonium hydrogen sulfate was released attemperature from the 295 ℃ to 444℃. Therefore, TGADSC method can be applied to do qualitative and quantitative analysis for the content of (NH��)HSO�� and (NH��)�特O�� inoil ash. |
本系統中英文摘要資訊取自各篇刊載內容。