GB/T 34697-2017 Active National standards

GB/T 34697-2017 Treatment and disposal method for spent fluoric etchant

Publish Date: 2017-11-01 Implement Date: 2018-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 34697-2017

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Technical Specifications for Pollution Control

ICS Name: Liquid waste, sludge

Publish Date: 2017-11-01

Implement Date: 2018-05-01

Pages: 13 pages

Scope

This standard specifies the composition of fluoride-containing etching wastewater, its treatment and disposal methods, and environmental protection requirements. This standard applies to the treatment and disposal of fluoride-containing etching wastewater generated during the etching of TFT LCD glass, etching in the photovoltaic industry, etching of IC wafers, etching of electrode foils, and etching of rare earth materials.

Development Information

Word Count: 24 Thousand words Pages: 13 pages

Referenced Standards

GB 5085.7 GB 8978 GB 16297 GB 18599 GB/T 23936-2009 Sodium hexafluorosilicate for industrial use GB/T 23936-2018 Sodium hexafluorosilicate for industrial use GB/T 27804-2011 Calcium fluoride GB/T 28653-2012 Ammonium fluoride for industrial use GB/T 28655-2012 Ammonium bifluoride for industrial use YS/T 691-2009 Magnesium fluoride HG/T 4692-2014 HG/T 4692-2014 Industrial Ammonium Fluorosilicate HG/T 4693-2014 HG/T 4693-2014 Industrial Potassium Fluorosilicate Granules

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