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造纸污泥添加剂对麦秆灰烧结熔融特性的影响
Alternative TitleEffects of paper mill residual additives on sintering and melting characteristic of wheat straw
李婷婷1,2; 黄艳琴1; 刘华财1; 袁洪友1; 阴秀丽1; 吴创之1
2017-11
Source Publication燃料化学学报
ISSN0253-2409
Volume45Issue:11Pages:1323-1331
Abstract利用灰熔点测试仪、XRD及XRF等仪器,对比研究了造纸污泥(脱墨污泥、造纸废水污泥)、城市废水污泥作为添加剂对麦秆灰熔融特性的影响,考察了烧结和熔融过程中的组分变化,分析了污泥添加剂对麦秆灰的作用机理;进一步将污泥添加剂与常规添加剂进行灰熔融特性对比研究。研究发现,添加比例控制为3%-10%,造纸污泥(脱墨污泥、造纸废水污泥)软化温度提升效果均优于城市废水污泥;在添加比例控制为5%时,造纸废水污泥对麦秆灰软化温度提升效果最好;增大添加比例过程中,造纸废水污泥Al2O3修饰骨架作用明显,但灰中长石类物质逐渐增多使得软化温度提升效果下降;在不同温度下,脱墨污泥主要是通过形成硅铝榴石使得灰熔点提升,造纸废水污泥则主要是通过生成高熔点物质CaSiO3抑制低熔点硅酸盐形成,城市废水污泥升温中存在明显SiO2晶态转变过程;使用污泥添加剂作为抗结渣添加剂具有良好应用前景。
Other AbstractThe effects of paper mill residues(delinking sludge,paper mill sludge,municipal sewage sludge)addition on slagging tendency of wheat straw were investigated using ash melting point test system,X-ray fluorescence(XRF)and powder X-ray diffraction(XRD).The differences between other4common additives were also discussed.The results show that addition of delinking sludge and paper mill sludge behaves better than municipal sewage sludge in blending range of3%to10%,while softening temperature of wheat ash tends to get the highest value when adding5%paper mill sludge.Along with the blends increasing,A1203plays an important framework structure modification role while adding paper mill sludge.While generation of feldspar such as orthoclase and anorthite takes place,the softening temperature decreases.In addition,silicon aluminum garnet is more likely to form to enhance the fusion characteristic temperate while adding delinking sludge.On the contrary,formation of high melting point material(CaSi03)inhibits low melting silicate by adding paper mill sludge.Components analyses indicate that crystal structure of Si02is changed along with municipal sludge added.Sludge used as anti-slagging additives is promising.
Keyword麦秆灰 添加剂 脱墨污泥 造纸污泥 城市废水污泥 烧结熔融特性 wheat ash additives delinking sludge papermaking wastewater sludge municipal wastewater sludge sintering and melting characteristics
Language中文
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/16720
Collection中国科学院广州能源研究所
Corresponding Author黄艳琴
Affiliation1.中国科学院广州能源研究所,中国科学院可再生能源重点实验室,广东省新能源和可再生能源研究开发与应用重点实验室,广东广州510640;
2.中国科学院大学,北京100049
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
李婷婷,黄艳琴,刘华财,等. 造纸污泥添加剂对麦秆灰烧结熔融特性的影响[J]. 燃料化学学报,2017,45(11):1323-1331.
APA 李婷婷,黄艳琴,刘华财,袁洪友,阴秀丽,&吴创之.(2017).造纸污泥添加剂对麦秆灰烧结熔融特性的影响.燃料化学学报,45(11),1323-1331.
MLA 李婷婷,et al."造纸污泥添加剂对麦秆灰烧结熔融特性的影响".燃料化学学报 45.11(2017):1323-1331.
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