發(fā)布時(shí)間：2018-06-06 05:32

  本文選題：活性炭 + 脫汞�。� 參考：《炭素技術(shù)》2017年03期

【摘要】：活性炭噴射技術(shù)(ACI,Activated Carbon Injection)被公認(rèn)為成熟、可靠的煙氣脫汞方法,但活性炭昂貴成本嚴(yán)重影響了該技術(shù)的廣泛推廣。原煤直接活化法生產(chǎn)脫汞活性炭,可以大幅度降低活性炭生產(chǎn)成本。試驗(yàn)以寧夏太西低灰無煙煤為原料用水蒸氣直接活化制備活性炭,研究了原煤粒度、活化溫度、燒失率對(duì)活性炭吸附和脫汞性能的影響。研究發(fā)現(xiàn),原煤粒度為3~4mm,活化溫度為910℃,燒失率為71%時(shí),制備的活性炭比表面積最大,高達(dá)1 124 m~2/g。脫汞試驗(yàn)結(jié)果表明,活性炭脫汞性能受工藝條件影響,但與活性炭比表面積沒有明顯相關(guān)性;經(jīng)載溴改性后,活性炭的脫汞性能大幅度提升,且與活性炭的比表面積呈現(xiàn)良好相關(guān)性。對(duì)比研究發(fā)現(xiàn),直接活化法制得的活性炭脫汞性能優(yōu)于傳統(tǒng)方法生產(chǎn)的活性炭。
[Abstract]:Activated carbon injection technology has been recognized as a mature and reliable method to remove mercury from flue gas. However, the high cost of activated carbon has seriously affected the wide spread of the technology. Direct activation of raw coal to produce mercuric activated carbon can greatly reduce the production cost of activated carbon. Activated carbon was prepared from low-ash anthracite from Taixi, Ningxia. The effects of raw coal particle size, activation temperature and burning loss rate on the adsorption and mercury removal of activated carbon were studied. The results show that the activated carbon has the largest specific surface area of 1 124 mg / g when the particle size of raw coal is 3 ~ 4 mm, activation temperature is 910 鈩，

本文編號(hào)：1985345