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一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)是硝(xiao)酸(suan)生(sheng)產過程(cheng)中(zhong)氨氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)制(zhi)備一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)氮(dan)(dan)(dan)的(de)副產物，目前(qian)主流的(de)一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)減(jian)(jian)排(pai)方案(an)是在(zai)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)爐內(nei)貴金屬網下裝(zhuang)入一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)減(jian)(jian)排(pai)催(cui)化(hua)(hua)(hua)(hua)(hua)劑(ji)，以使一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)分解(jie)為氮(dan)(dan)(dan)氣(qi)和氧(yang)(yang)(yang)(yang)(yang)(yang)氣(qi)。自2014年(nian)開始，四(si)川蜀泰化(hua)(hua)(hua)(hua)(hua)工(gong)科技有限公(gong)司歷經小試(shi)及(ji)中(zhong)試(shi)的(de)試(shi)驗評(ping)價、生(sheng)產工(gong)藝優化(hua)(hua)(hua)(hua)(hua)，于2016年(nian)成功開發出SCST-102型(xing)一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)爐內(nei)減(jian)(jian)排(pai)催(cui)化(hua)(hua)(hua)(hua)(hua)劑(ji)，并(bing)于同年(nian)在(zai)四(si)川金象賽瑞化(hua)(hua)(hua)(hua)(hua)工(gong)股份有限公(gong)司150kt/a雙加(jia)壓法稀(xi)硝(xiao)酸(suan)裝(zhuang)置上投人試(shi)運(yun)行。活性(xing)評(ping)價試(shi)驗結果表(biao)明(ming)(ming)(ming)，SCST-102型(xing)一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)爐內(nei)減(jian)(jian)排(pai)催(cui)化(hua)(hua)(hua)(hua)(hua)劑(ji)能很(hen)好地適應(ying)高(gao)溫(wen)、高(gao)空速工(gong)況條件，且在(zai)850℃以上雜質(zhi)氣(qi)體對一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)分解(jie)效率幾乎無影響，適用于硝(xiao)酸(suan)裝(zhuang)置氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)爐內(nei)一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)的(de)減(jian)(jian)排(pai)。工(gong)業應(ying)用情(qing)況表(biao)明(ming)(ming)(ming)，SCST-102型(xing)一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)爐內(nei)減(jian)(jian)排(pai)催(cui)化(hua)(hua)(hua)(hua)(hua)劑(ji)活性(xing)穩定、選擇性(xing)高(gao)，一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)減(jian)(jian)排(pai)效果明(ming)(ming)(ming)顯(xian)，且其顆粒破碎強(qiang)度高(gao)、耐熱(re)穩定性(xing)好，可有效保護鉑(bo)網。此外，相(xiang)較于進(jin)口產品，SCST-102型(xing)一(yi)(yi)氧(yang)(yang)(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)(hua)二(er)(er)(er)氮(dan)(dan)(dan)爐內(nei)減(jian)(jian)排(pai)催(cui)化(hua)(hua)(hua)(hua)(hua)劑(ji)在(zai)自身性(xing)能、供貨價格、生(sheng)產（供貨）周(zhou)期等方面都具(ju)有明(ming)(ming)(ming)顯(xian)的(de)優勢。

發布時間： 2021-05-30 23:08

發布時間： 2020-06-19 14:32

合(he)成(cheng)氣(qi)中雜質低濃度穩(wen)定控制(zhi)是甲醇合(he)成(cheng)長周期高(gao)效運行(xing)的關鍵，本(ben)文從焦爐(lu)氣(qi)中雜質的脫除(chu)、硫(liu)轉化(hua)(hua)條件控制(zhi)等方面的闡述，旨在提高(gao)焦爐(lu)氣(qi)部分氧化(hua)(hua)甲烷轉化(hua)(hua)法制(zhi)甲醇工(gong)藝生產的穩(wen)定性(xing)。

發布時間： 2018-03-28 08:45

通(tong)過模擬工業列管反(fan)(fan)應裝置，考察了三種不同(tong)Cu基(ji)催(cui)化劑在不同(tong)反(fan)(fan)應溫(wen)度、反(fan)(fan)應壓力、液空速(su)對甲(jia)醇水蒸氣重整制(zhi)氫的影響(xiang)。

發布時間： 2017-07-17 14:47

工(gong)藝流程(cheng)簡述天然氣經加(jia)壓脫硫后與(yu)水蒸(zheng)汽混合進入特殊轉化爐，在催化劑(ji)的作用(yong)下裂解重(zhong)整

發布時間： 2017-07-17 14:46

采用(yong)陽極氧化(hua)技(ji)術在草(cao)酸溶液中對一種鋁基板（Al/Fe-Ni-Cr alloy/Al）制備了氧化(hua)鋁多孔(kong)膜，考(kao)察了擴孔(kong)處理(li)(li)、水(shui)熱處理(li)(li)、焙燒(shao)處理(li)(li)

發布時間： 2017-07-17 14:25

通過模(mo)擬工(gong)業(ye)列(lie)管反應裝(zhuang)置，研究了不同類型Al2O3對(dui)CuO-ZnO/Al2O3催化劑活性的影(ying)響。對(dui)比試(shi)驗結果表(biao)明：選用(yong)碳酸氫銨法生

發布時間： 2017-07-17 14:14