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GB/T 32123-2015 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 32123-2015: Treatment and disposal specification for cyanide wastewater
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32123-2015	189	Add to Cart	3 days	Treatment and disposal specification for cyanide wastewater	Valid

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Basic data

Standard ID: GB/T 32123-2015 (GB/T32123-2015)
Description (Translated English): Treatment and disposal specification for cyanide wastewater
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z05
Classification of International Standard: 13.030.20
Word Count Estimation: 9,938
Date of Issue: 2015-10-09
Date of Implementation: 2016-05-01
Quoted Standard: GB 5085.1; GB 5085.3; GB 8978; HJ 484; HJ 585
Regulation (derived from): National Standard Announcement 2015 No.31
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This Standard specifies the cyanide-containing waste water treatment and disposal of terms and definitions, requirements and emission treatment and disposal methods. This Standard applies to the process of treatment and disposal of wastewater containing cyanide.

GB/T 32123-2015: Treatment and disposal specification for cyanide wastewater

---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.
(Cyanide-containing wastewater treatment and disposal norms) ICS 13.030.20 Z05 National Standards of People's Republic of China Cyanide waste water treatment and disposal norms Issued on. 2015-10-09 2016-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the national waste chemicals disposal Standardization Technical Committee (SAC/TC294) centralized. This standard was drafted. Anqing Shuguang Chemical Co., Ltd., Hebei integrity limited liability company, CNOOC Tianjin Chemical Research and Design Institute, Shenzhen Hazardous Waste Treatment Station Co., Ltd. The main drafters of this standard. Chenzhang Bin, Shen Yinshan, Guofeng Xin, tall Ming Cheng Ni root, Yang Yang, Wang Lin. Cyanide waste water treatment and disposal norms

1 Scope

This standard specifies the cyanide-containing waste water treatment and disposal of terms and definitions, treatment and disposal methods and emission requirements. This standard applies to the process of treatment and disposal of wastewater containing cyanide.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 5085.1 standard differential corrosive hazardous waste identification GB 5085.3 identification of hazardous waste leaching toxic identification standard GB 8978 Integrated Wastewater Discharge Standard Water quality was measured HJ484 cyanide capacity and spectrophotometric methods HJ585 free chlorine and total chlorine N, N- diethyl-1,4-phenylenediamine titration

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Wastewater containing cyanide cyanidewastewater Containing inorganic cyanide (CN-), thiocyanate (SCN-) or cyanide-based metal complexes of industrial waste water generated in the process.

4 containing cyanide wastewater treatment and disposal methods

4.1 Acidification Recycling Law 4.1.1 Application Suitable for processing containing inorganic cyanide (CN-) or cyanide-based metal complexes (except iron cyanide complexes) of wastewater containing cyanide. Applicable concentration Cyanide (as CN) content of not less than 1g/L. 4.1.2 Principle Hydrocyanic acid is a weak acid, the ionization equilibrium constant Ka = 6.2 × 10-10, a boiling point of 25.7 ℃, easy to volatilize, under acidic conditions, wastewater Inorganic cyanides tend to form hydrogen cyanide (HCN), absorption by water acidification, hydrogen cyanide and hydrogen cyanide gas stripping to achieve recovery Purpose of cyanide ions. NaCN H = HCN Na Pb (CN) 2-4 4H = 4HCN Pb2 Zn (CN) 2-4 4H = 4HCN Zn2 Cu (CN) 2-3 2H = 2HCN CuCN ↓ (gray) ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 32123-2015_English be delivered?

Answer: Upon your order, we will start to translate GB/T 32123-2015_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 32123-2015_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 32123-2015_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.