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GB/T 39299-2020: Methods for disposing reused thinner waste in the production of TFT-LCD
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39299-2020 | English | 189 |
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Methods for disposing reused thinner waste in the production of TFT-LCD
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GB/T 39299-2020
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Basic data | Standard ID | GB/T 39299-2020 (GB/T39299-2020) | | Description (Translated English) | Methods for disposing reused thinner waste in the production of TFT-LCD | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Z05 | | Classification of International Standard | 13.030.20 | | Word Count Estimation | 10,181 | | Date of Issue | 2020-11-19 | | Date of Implementation | 2021-10-01 | | Quoted Standard | GB 8978; GB 16297 | | Regulation (derived from) | National Standard Announcement No. 26 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the composition, recycling method and environmental protection requirements of the diluted waste liquid from LCD panel manufacturing. This standard applies to the recovery and reuse of the diluted waste liquid from the thin film transistor liquid crystal display (TFT-LCD) panel production line. | GB/T 39299-2020: Methods for disposing reused thinner waste in the production of TFT-LCD---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Methods for disposing reused thinner waste in the production of TFT-LCD
ICS 13.030.20
Z05
National Standards of People's Republic of China
Recovery and reuse method of liquid crystal panel manufacturing diluted waste liquid
2020-11-19 released
2021-10-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the China Petroleum and Chemical Industry Federation.
This standard is under the jurisdiction of the National Standardization Technical Committee for Disposal of Waste Chemicals (SAC/TC294).
Drafting organizations of this standard. Hangzhou Gelinda Electronic Materials Co., Ltd., Shenzhen Shentou Environmental Protection Technology Co., Ltd., Zhejiang Shenlianhuan
Insurance Group Co., Ltd., Shishi Lanxin Environmental Protection Technology Co., Ltd., CNOOC Tianjin Chemical Research and Design Institute Co., Ltd., Chongqing Shengqing Water Division
Li Technology Co., Ltd., Jiashan Luye Environmental Protection Material Factory.
The main drafters of this standard. Yin Yunjian, Wen Yanshen, Wang Zhijun, Chen Jiabin, Gong Chuangzhou, Wang Mingdong, Yu Minghua, Chen Yuying, Liu Peizhi, An Xiaoying,
Ding Ling, Xing Youmei, Li Yingying, Wang Zhiwei.
Recovery and reuse method of liquid crystal panel manufacturing diluted waste liquid
1 Scope
This standard specifies the composition, recycling method and environmental protection requirements of the diluted waste liquid from LCD panel manufacturing.
This standard applies to the recovery and reuse of the diluted waste liquid from the thin film transistor liquid crystal display (TFT-LCD) panel production line.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB 8978 Integrated Wastewater Discharge Standard
GB 16297 Comprehensive Emission Standard of Air Pollutants
3 composition
Liquid crystal panel manufacturing dilution waste liquid mainly contains organic solvents and impurities such as photoresist, particles, metal elements, and moisture. Organic solvents generally contain
There are propylene glycol methyl ether, propylene glycol methyl ether acetate, butyl acetate and the like.
4 Recycling methods
4.1 Method summary
The difference in the boiling point of each organic substance in the diluted waste liquid produced by the liquid crystal panel, and the reduced pressure distillation and vacuum rectification process are used to enter the diluted waste liquid.
After processing, and then through the impurity removal and purification process, it is compounded according to the process requirements of different production lines of LCD panel manufacturing to obtain a
Diluent to create conditions.
4.2 Process flow
4.2.1 Process flow chart
See Figure 1 for the recycling and reuse process of the diluted waste liquid from LCD panel manufacturing.
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