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首页> 外文期刊>Journal of thermal analysis and calorimetry >Analysis of preparation and combustion characteristics of NaOH/KOH catalyzed straw pyrolytic carbon
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Analysis of preparation and combustion characteristics of NaOH/KOH catalyzed straw pyrolytic carbon

机译：NaOH / KOH催化秸秆热解碳的制备及燃烧特性分析

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摘要

In this paper, wheat straw, corn straw and sorghum straw were used as raw materials. KOH and NaOH were used as catalysts to prepare straw pyrolytic carbon. The effects of pyrolysis temperature, KOH, NaOH and NaOH-KOH on the properties and combustion characteristics of straw pyrolytic carbon were studied. Compared with straw pyrolytic carbon, the fixed carbon content of base-catalyzed straw pyrolytic carbon decreased notably and the ash content increased significantly. KOH had the basically same effect on straw pyrolytic carbon, but for corn straw pyrolytic carbon (CSPC) it was greater. KOH with low additive amount could improve the S-N of straw pyrolytic carbon to some extent. NaOH had the basically same effect on straw pyrolytic carbon but was relatively stronger on wheat straw pyrolytic carbon (WSPC). NaOH with a concentration of 1.0-1.5 (mass ratio) showed the largest improvement of S-N in straw pyrolytic carbon. When adding mixed alkalis, the combustible components of WSPCNa-KOH1-1, CSPCNa-KOH1-1, SSPCNa-KOH1-1 (sorghum straw pyrolytic carbon) were the highest and the corresponding S-N was at its minimum.
机译：在本文中，麦秸，玉米秸秆和高粱秸秆被用作原料。 KOH和NaOH用作催化剂以制备秸秆热解碳。研究了热解温，KOH，NaOH和NaOH-KOH对秸秆热解碳的性能和燃烧特性的影响。与秸秆热解碳相比，碱催化秸秆热解碳的固定碳含量显着下降，灰分含量显着增加。 KOH对秸秆热解碳有基本相同的效果，但对于玉米秸秆热解碳（CSPC），它更大。 koh具有低添加剂量可以在一定程度上改善秸秆热解碳的S-n。 NaOH对秸秆热解碳有基本相同的效果，但在小麦秸秆热解碳（WSPC）上相对较强。浓度为1.0-1.5（质量比）的NaOH显示出秸秆热解碳中S-N的最大改善。当加入混合碱时，WSPCNA-KOH1-1，CSPCNA-KOH1-1，SSPCNA-KOH1-1（高粱秸秆热解）的可燃组分最高，相应的S-N最小。

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