1) modified activated semi-coke catalyst
改性活性半焦
1.
Kinetics for removal of SO_2 from flue gas using modified activated semi-coke catalyst;
改性活性半焦脱除烟气中SO_2的反应动力学
2) modified semi-coke
改性半焦
1.
The modified semi-coke desulfurization adsorbents were prepared from lignite semi-coke by oxidation of HNO3 at concentration of 25%,45% and 65%.
实验结果表明:随着硝酸对褐煤半焦的改性,制备的改性半焦烟气脱硫剂脱硫活性有所提高;硝酸处理造成半焦挥发分即含氧基团和含氮基团增加,导致表面酸性上升;改性半焦表面积和孔容的增加是二氧化硫脱除硫容提高的主要原因。
3) activated char
活性半焦
1.
The desulfurization property of activated char has close relationship with its preparation conditions.
活性半焦的脱硫性能与其制备条件密切相关。
2.
This paper reviews the research situation of activated char in processes of removal SO 2 from flue gases at home and abroad.
综述了国内外关于活性半焦脱除烟气 SO2 的研究现状 ,对半焦的制备条件及活化改性方式给其脱硫活性带来的影响进行了详细的分析 ,指出了目前研究中存在的若干问题 ,并提出新的研究方
3.
In order to improve the desulphurization performance of activated char and reduce its cost,three different types of catalysts were used in the process of activated char preparation.
为提高活性半焦脱硫剂的硫容并降低其成本,在活性半焦的制备过程中加入3种不同的催化剂,通过SO2吸附、N2吸附、XRD和IR等分析方法对半焦的微晶结构以及活性半焦的硫容、比表面积、孔隙结构和脱硫前后表面官能团的变化进行了测试和表征。
4) Activated semi-coke
活性半焦
1.
Catalytic reaction kinetics equation of flue gas desulphurization(FGD) by activated semi-coke can be exploited to predict the desulphurization capacity of activated semi-coke,and is also essential to reactor designing and enlargement.
性半焦脱硫本征动力学的研究可以在一定范围内预测活性半焦脱除SO2的行为,也是反应器开发和放大的基础。
2.
The activated semi-coke desulfurization adsorbents were prepared from lignite semi-coke by heating treatment at 600℃, 700℃ or 800℃ in a nitrogen flow.
在600℃,700℃和800℃三个不同热处理温度下改性半焦,制备出了活性半焦烟气二氧化硫吸附剂,并在固定床反应装置上模拟烟气组成进行了脱硫活性测试。
3.
Under the kinetic conditions,the removal process of SO2 in the flue gas desulphurization by activated semi-coke in the system of SO2-O2-N2-H2O(g) was investigated.
在SO2-O2-N2-H2O(g)体系及动力学控制条件下,考察了自制活性半焦在H2O(g)存在下脱除SO2的过程。
5) modified activated coke
改性活性焦
1.
Discusses the situation of removal of SO_2 and NOx in nation-wide and word-wide,and manufactured modified activated coke from brown coal lignite and a certain quantity of metal oxide.
综述了国内外烟气脱硫脱氮现状,研制出了以褐煤为主要原料,加入一定量金属氧化物制成改性活性焦,并针对大气中主要气态污染物SO2和NOX进行了脱硫、脱氮性能的研究。
补充资料：半焦
由煤低温干馏所得的可燃固体产物。产率约为原料煤的50％～70％。色黑多孔，主要成分是碳、灰分和挥发分。其灰分含量取决于原料煤质,挥发分含量约5％～20％（质量）。与焦炭相比，挥发分含量高，孔隙率大而机械强度低。与一氧化碳、蒸汽或氧具有较强的反应活性。是很好的高热值无烟燃料，主要用作工业或民用燃料，也用于合成气、电石生产等，少量用作铜矿或磷矿等冶炼时的还原剂，此外也用作炼焦配煤。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条