皮胶原为模板制备纤维状钛锂离子筛前驱体

吴远彬; 杨茹; 邓胜连; 张理元

doi:10.7513/j.issn.1004-7638.2021.02.010

皮胶原为模板制备纤维状钛锂离子筛前驱体

doi: 10.7513/j.issn.1004-7638.2021.02.010

吴远彬^{1, 2, 3,},
杨茹¹,
邓胜连¹,
张理元^{1, 2, 3, ,}

1.
内江师范学院化学化工学院，四川内江 641112
2.
果蔬类废弃物资源化四川省高校重点实验室，四川内江 641112
3.
内江师范学院院士(专家)工作站，四川内江 641112

基金项目: 四川省科技计划项目(项目号2019YJ0383)

详细信息

作者简介:
吴远彬(1992—)，男，四川西昌人，硕士生，实习研究员，主要从事锂吸附材料研究，E-mail：654094849@qq.com

通讯作者:
张理元，博士，副教授，E-mail：zhangliyuansir@126.com

中图分类号: TF823，TQ424
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- 文章访问数: 152
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- PDF下载量: 25
- 被引次数: 0
出版历程
- 收稿日期: 2021-02-24
- 刊出日期: 2021-04-10

Preparation of fibrous titanium-lithium ion sieve precursor with skin collagen as the template

Wu Yuanbin^{1, 2, 3
,},
Yang Ru¹,
Deng Shenglian¹,
Zhang Liyuan^{1, 2, 3
, ,}

1.
College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641112, Sichuan, China
2.
Key Laboratory of Fruit Waste Treatment and Resource Recycling of the Sichuan Provincial College, Neijiang 641112, Sichuan, China
3.
Academician (Expert) Workstation of Neijiang Normal University, Neijiang 641112, Sichuan, China

摘要

摘要: 为解决传统的粉末状钛锂离子筛渗透性和流动性差的问题，以皮胶原作为模板剂，廉价易得的Ti(SO₄)₂为钛源，乙酸锂为锂源，经皮胶原负载钛、锂及固相反应制备具有纤维结构的钛锂离子筛前驱体(Li₂TiO₃)。探究加入不同试剂、不同处理方法、不同pH值等因素对合成钛锂离子筛前驱体(Li₂TiO₃)的影响。采用扫描电子显微镜和X射线衍射仪对试样进行了表征。结果表明：加入单宁，控制试验pH=4.0在750 ℃条件下保温8 h制备的钛锂离子筛前驱体纤维结构较好，晶相组成为单斜结构β-Li₂TiO₃。
- 钛锂离子筛 /
- 前驱体 /
- 皮胶原 /
- 纤维结构 /
- 单宁
Abstract: In order to solve the poor permeability and fluidity of traditional powder titanium-lithium ion sieve, fibrous precursor of titanium-lithium ion sieve (Li₂TiO₃) was prepared via the solid-state reaction with skin collagen as the template, Ti(SO₄)₂ and lithium acetate as the titanium and lithium source respectively. The effects of reagent, treatment method and pH value on the synthesis of titanium-lithium ion sieve precursor were investigated. The samples were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results show that a good fibrous precursor of titanium-lithium ion sieve can be obtained by adding tannin, controlling pH=4.0 and holding at 750 ℃ for 8 h, with the obtained sample composed of monoclinic β-Li₂TiO₃.
- titanium-lithium ion sieve /
- precursor /
- collagen /
- fiber structure /
- tannin

HTML全文

图 1 皮胶原的SEM图片

Figure 1. SEM image of skin collagen

下载: 全尺寸图片幻灯片

图 2 不同处理方法得到的样品SEM图像

Figure 2. SEM images of the samples prepared with different approaches

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图 3 加入不同试剂后样品的SEM图像

Figure 3. SEM images of the samples after adding various reagents

下载: 全尺寸图片幻灯片

图 4 加入单宁后在750℃条件下煅烧8 h制备的Li₂TiO₃的XRD图谱

Figure 4. XRD patterns of Li₂TiO₃ prepared by calcining at 750 ^oC for 8 h after adding tannin

下载: 全尺寸图片幻灯片

图 5 不同pH处理的样品的SEM图像

Figure 5. SEM images of the samples with different pH values

下载: 全尺寸图片幻灯片

表 1 主要试验试剂

Table 1. The main reagents

化学试剂	规格	生产厂家规格
皮胶原	分析纯(AR)	中国林业科学研究院林产化学工业研究所科技开发总公司单宁化工实验室
柠檬酸三钠	分析纯(AR)	成都市科龙化工试剂厂
柠檬酸(一水)	分析纯(AR)	成都市科龙化工试剂厂
氯化钠	分析纯(AR)	成都金山化学试剂有限公司
甲酸	分析纯(AR)	成都金山化学试剂有限公司
无水乙醇	分析纯(AR)	成都金山化学试剂有限公司
硫酸钛	分析纯(AR)	国药集团化学试剂有限公司
碳酸氢钠	分析纯(AR)	成都市科龙化工试剂厂
乙酸锂	分析纯(AR)	山东西亚化学工业有限公司
硫酸	分析纯(AR)	成都金山化学试剂有限公司
三乙醇胺	分析纯(AR)	成都金山化学试剂有限公司
单宁	分析纯(AR)	成都市新都区木兰镇工业开发区
戊二醛25%	分析纯(AR)	成都市科隆花心品有限公司

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表 2 主要试验仪器

Table 2. The main experimental instrument

试验仪器	型号	生产厂家
扫描电子显微镜	VEGA3SBH	TESCAN
磁力搅拌器	HJ-4	常州未来仪器制造有限公司
pH计	pH-902	常州爱德克斯仪器仪表有限公司
ZNCL-GS智能磁力搅拌器	ZNCL-GS240*150	上海予申仪器有限公司
电热鼓风干燥箱	101-2BS	天津宏诺仪器有限公司
优普系列超纯水器	UPH-IV-10T	成都超纯科技有限公司
精密节能电炉	SX2-5-12TP	济南精密科学仪器仪表有限公司
低速大容量离心机	TDL-5-A	上海安亭科学仪器厂
超声波清洗机	QT系列	天津市瑞普电子仪器公司
电子天平	JA5003	上海舜宇恒平科学仪器有限公司
X射线衍射仪	DX-2700	丹东浩圆仪器有限公司

下载: 导出CSV

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