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如題,文章名:Removal of Lead From Cathode Ray Tube Funnel Glass By Generating The Sodium Silicate 作者: Biao Hu, Shuangshuang Zhao, Shuhao Zhang. 雜志:Journal of the Air & Waste Management Association,2015,65(1):106~114. |
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Removal of lead from cathode ray tube funnel glass by generating the sodium silicate 作者:Hu, B (Hu, Biao)[ 1 ] ; Zhao, SS (Zhao, Shuangshuang)[ 1 ] ; Zhang, SH (Zhang, Shuhao)[ 1 ] JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 卷: 65 期: 1 頁(yè): 106-114 DOI: 10.1080/10962247.2014.976721 出版年: 2015 查看期刊信息 摘要 In the disposal of electronic waste, cathode ray tube (CRT) funnel glass is an environmental problem of old television sets. Removal of the lead from CRT funnel glass can prevent its release into the environment and allow its reuse. In this research, we reference the dry progress productive technology of sodium silicate, the waste CRT glass was dealt with sodium silicate frit melted and sodium silicate frit dissolved. Adding a certain amount of Na2CO3 to the waste CRT glass bases on the material composition and content of it, then the specific modulus of sodium silicate frit is obtained by melting progress. The silicon, potassium and sodium compounds of the sodium silicate frit are dissolved under the conditions of high temperature and pressure by using water as solvent, which shows the tendency that different temperature, pressure, liquid-solid ratio and dissolving time have effect on the result of dissolving. At 175 degrees C(0.75MPa), liquid-solid ratio is 1.5:1, the dissolving time is 1h, the dissolution rate of sodium silicate frit is 44.725%. By using sodium sulfide to separate hydrolysis solution and to collect lead compounds in the solution, the recovery rate of lead in dissolving reached 100% and we can get clean sodium silicate and high purity of lead compounds. The method presented in this research can recycle not only the lead but also the sodium, potassium and other inorganic minerals in CRT glass and can obtain the comprehensive utilization of leaded glass. 關(guān)鍵詞 KeyWords Plus:MECHANICAL ACTIVATION; CRT GLASS; RECOVERY; CERAMICS; DISPOSAL 作者信息 通訊作者地址: Hu, B (通訊作者) [顯示增強(qiáng)組織信息的名稱] Tianjin Univ Technol, Sch Environm Sci & Safety Engn, Tianjin 300384, Peoples R China. 地址: [顯示增強(qiáng)組織信息的名稱] [ 1 ] Tianjin Univ Technol, Sch Environm Sci & Safety Engn, Tianjin 300384, Peoples R China 電子郵件地址:hubiaomail@126.com 基金資助致謝 基金資助機(jī)構(gòu) 授權(quán)號(hào) Tianjin Science and Technology Support Program 14ZCDGSF00035 查看基金資助信息 出版商 TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA 類別 / 分類 研究方向:Engineering; Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences Web of Science 類別:Engineering, Environmental; Environmental Sciences; Meteorology & Atmospheric Sciences 文獻(xiàn)信息 文獻(xiàn)類型:Article 語(yǔ)種:English 入藏號(hào): WOS:000346647400011 PubMed ID: 25946963 ISSN: 1096-2247 eISSN: 2162-2906 期刊信息 目錄: Current Contents Connect® Impact Factor (影響因子): Journal Citation Reports® 其他信息 IDS 號(hào): AX0MX Web of Science 核心合集中的 "引用的參考文獻(xiàn)": 26 Web of Science 核心合集中的 "被引頻次": 0 |
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Removal of lead from cathode ray tube funnel glass by generating the sodium silicate 作者:Hu, B (Hu, Biao)[ 1 ] ; Zhao, SS (Zhao, Shuangshuang)[ 1 ] ; Zhang, SH (Zhang, Shuhao)[ 1 ] JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION 卷: 65 期: 1 頁(yè): 106-114 DOI: 10.1080/10962247.2014.976721 出版年: 2015 查看期刊信息 摘要 In the disposal of electronic waste, cathode ray tube (CRT) funnel glass is an environmental problem of old television sets. Removal of the lead from CRT funnel glass can prevent its release into the environment and allow its reuse. In this research, we reference the dry progress productive technology of sodium silicate, the waste CRT glass was dealt with sodium silicate frit melted and sodium silicate frit dissolved. Adding a certain amount of Na2CO3 to the waste CRT glass bases on the material composition and content of it, then the specific modulus of sodium silicate frit is obtained by melting progress. The silicon, potassium and sodium compounds of the sodium silicate frit are dissolved under the conditions of high temperature and pressure by using water as solvent, which shows the tendency that different temperature, pressure, liquid-solid ratio and dissolving time have effect on the result of dissolving. At 175 degrees C(0.75MPa), liquid-solid ratio is 1.5:1, the dissolving time is 1h, the dissolution rate of sodium silicate frit is 44.725%. By using sodium sulfide to separate hydrolysis solution and to collect lead compounds in the solution, the recovery rate of lead in dissolving reached 100% and we can get clean sodium silicate and high purity of lead compounds. The method presented in this research can recycle not only the lead but also the sodium, potassium and other inorganic minerals in CRT glass and can obtain the comprehensive utilization of leaded glass. 關(guān)鍵詞 KeyWords Plus:MECHANICAL ACTIVATION; CRT GLASS; RECOVERY; CERAMICS; DISPOSAL 作者信息 通訊作者地址: Hu, B (通訊作者) 顯示增強(qiáng)組織信息的名稱 Tianjin Univ Technol, Sch Environm Sci & Safety Engn, Tianjin 300384, Peoples R China. 地址: 顯示增強(qiáng)組織信息的名稱 [ 1 ] Tianjin Univ Technol, Sch Environm Sci & Safety Engn, Tianjin 300384, Peoples R China 電子郵件地址:hubiaomail@126.com 基金資助致謝 基金資助機(jī)構(gòu) 授權(quán)號(hào) Tianjin Science and Technology Support Program 14ZCDGSF00035 查看基金資助信息 出版商 TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA 類別 / 分類 研究方向:Engineering; Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences Web of Science 類別:Engineering, Environmental; Environmental Sciences; Meteorology & Atmospheric Sciences 文獻(xiàn)信息 文獻(xiàn)類型:Article 語(yǔ)種:English 入藏號(hào): WOS:000346647400011 PubMed ID: 25946963 ISSN: 1096-2247 eISSN: 2162-2906 期刊信息 Impact Factor (影響因子): Journal Citation Reports® 其他信息 IDS 號(hào): AX0MX Web of Science 核心合集中的 "引用的參考文獻(xiàn)": 26 Web of Science 核心合集中的 "被引頻次": 0 引文網(wǎng)絡(luò) 0 被引頻次 26 引用的參考文獻(xiàn) 查看 Related Records 查看引證關(guān)系圖查看引證關(guān)系圖 當(dāng)有人引用此記錄時(shí)接收電子郵件創(chuàng)建引文跟蹤 (數(shù)據(jù)來(lái)自 Web of ScienceTM 核心合集) 全部被引頻次計(jì)數(shù) 0 / 所有數(shù)據(jù)庫(kù) 0 / Web of Science 核心合集 0 / BIOSIS Citation Index 0 / 中國(guó)科學(xué)引文數(shù)據(jù)庫(kù) 0 / Data Citation Index 0 / SciELO Citation Index 此記錄來(lái)自: Web of ScienceTM 核心合集 |

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