| The alkali metal occurrence characteristics and its release and conversion during wheat straw pyrolysis | |
Zhang YF(张玉峰)1,2; Xie XY1,3; Zhao J(赵京)1,2 ; Wei XL(魏小林)1,2
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| Corresponding Author | Wei, Xiaolin([email protected]) |
| Source Publication | RENEWABLE ENERGY
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| 2020-05-01 | |
| Volume | 151Pages:255-262 |
| ISSN | 0960-1481 |
| Abstract | Biomass is an abundant and clean resource with good application value. However, due to high contain of alkali metals, it causes boiler's corrosion and slagging during utilization. In this paper, pyrolysis experiments were carried out from 200 to 1000 degrees C and a series of detection methods are applied to explore occurrence, release and conversion characteristics of wheat straw. When temperatures are raised from 200 to 1000 degrees C, water-soluble K releases first. Then NH4Ac soluble K converts to water-soluble K. It is found that NON content is high, which accounts for 27.11% of total anions. At low temperatures (<400 degrees C) 35.50% K will release as KNO3, which is larger than that of the solid fuels with less NO3-. Meanwhile part of K and Cl enriches on particles surface due to carrying of moisture. When temperatures are higher than 400 degrees C, K is mainly released in the form of KCl. As KCl on the sample surface is released, K and Cl inside the sample can't reach the sample surface. At 600 degrees C, the total KCl content increases to the maximum. Furthermore it is found that NH4Ac soluble K can convert into water-soluble K. When it is 800 degrees C, K release is 53.66%. And K release accounts for 55.26% at 1000 degrees C. (C) 2019 Elsevier Ltd. All rights reserved. |
| Keyword | Wheat straw Release Conversion Potassium |
| DOI | 10.1016/j.renene.2019.11.013 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000521120700021 |
| WOS Keyword | BIOMASS ; COMBUSTION ; COAL ; TRANSFORMATION ; COCOMBUSTION ; CORROSION ; BEHAVIOR ; DEPOSITION ; CHLORINE ; BOILERS |
| WOS Research Area | Science & Technology - Other Topics ; Energy & Fuels |
| WOS Subject | Green & Sustainable Science & Technology ; Energy & Fuels |
| Funding Project | National Natural Science Foundation of China[51736010] |
| Funding Organization | National Natural Science Foundation of China |
| Classification | 二类/Q1 |
| Ranking | 1 |
| Contributor | Wei, Xiaolin |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/81808 |
| Collection | 高温气体动力学国家重点实验室 |
| Affiliation | 1.Chinese Acad Sci, Inst Mech, State Key Lab High Temp Gas Dynam, Beijing 100190, Peoples R China; 2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China; 3.North China Elect Power Univ, Baoding 071003, Hebei, Peoples R China |
| Recommended Citation GB/T 7714 | Zhang YF,Xie XY,Zhao J,et al. The alkali metal occurrence characteristics and its release and conversion during wheat straw pyrolysis[J]. RENEWABLE ENERGY,2020,151:255-262.Rp_Au:Wei, Xiaolin |
| APA | 张玉峰,Xie XY,赵京,&魏小林.(2020).The alkali metal occurrence characteristics and its release and conversion during wheat straw pyrolysis.RENEWABLE ENERGY,151,255-262. |
| MLA | 张玉峰,et al."The alkali metal occurrence characteristics and its release and conversion during wheat straw pyrolysis".RENEWABLE ENERGY 151(2020):255-262. |
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| File Name/Size | DocType | Version | Access | License | ||
| Jp2020121.pdf（1725KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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