GB/T 33058-2016 English PDF

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GB/T 33058-2016: Treatment and disposal method for exhaust gas in producing dilute nitric acid
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33058-2016	119	Add to Cart	2 days	Treatment and disposal method for exhaust gas in producing dilute nitric acid	Valid

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Basic data

Standard ID: GB/T 33058-2016 (GB/T33058-2016)
Description (Translated English): Treatment and disposal method for exhaust gas in producing dilute nitric acid
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Z05
Classification of International Standard: 13.030.30
Word Count Estimation: 6,659
Date of Issue: 2016-10-13
Date of Implementation: 2017-05-01
Regulation (derived from): National Standard Notice No.1716 of 2016
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

GB/T 33058-2016: Treatment and disposal method for exhaust gas in producing dilute nitric acid

---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.
Treatment and disposal method for exhaust gas in producting dilute nitric acid ICS 13.030.30 Z05 National Standards of People's Republic of China Treatment and Treatment of Tail Gas in Production of Dilute Nitric Acid 2016-10-13 released 2017-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Petroleum and Chemical Industry Association. This standard is under the jurisdiction of the National Standardization Technical Committee on Disposal of Waste Chemicals (SAC/TC294). The drafting unit. Hangzhou Longshan Chemical Co., Ltd., Tianji Coal Chemical Industry Group Co., Ltd., CNOOC Tianjin Chemical Research Courtyard, Xiamen City, Lan Shui Ling Environmental Technology Co., Ltd., Dalian Keteli catalytic Engineering Technology Co., Ltd., Chongqing New Century Chemical Co., Ltd. the company. The main drafters of this standard. He Xiao Lian, Zuo Huaiyu, Yang Pei, Chen Shaohua, Liu Zhenfeng, Li Zhimin, Yi Hongfeng, Liang Qingyu, Shen Jing, Guo Yongxin. Treatment and Treatment of Tail Gas in Production of Dilute Nitric Acid

1 Scope

This standard specifies the composition, treatment and disposal of tail gas during the production of dilute nitric acid. This standard applies to dilute nitric acid production enterprises using ammonia selective catalytic reduction of the production process of the tail gas produced by nitric oxide and dioxy Treatment of nitrogen treatment.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Emission standard for industrial pollutants from nitric acid GB 26131

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Ammonia dilution gas ammoniapurgegas Ammonia synthesis system is transported to the ammonia mixture of ammonia, due to reduced pressure, so that dissolved in the non-condensable gases such as nitrogen, hydrogen, a Alkanes and argon, and the like, with a small amount of evaporated ammonia.

4 composition of tail gas

The main components of dilute nitric acid tail gas are nitrogen, oxygen, nitric oxide, nitrogen dioxide and so on.

5 disposal methods

Basic principles With ammonia as the reducing agent, on the surface of the catalyst, the ammonia selectively reacts with the nitrogen oxides (NOx) in the nitric acid The original reaction to generate nitrogen and water, the reaction equation is as follows. 6NO 4NH3 → 5N2 6H2O 6NO2 8NH3 → 7N2 12H2O 4NH3 3O2 → 2N2 6H2O The synthesis of ammonia as a reducing agent also includes the following reaction. 2NO 2H2 → N2 2H2O 2NO2 4H2 → N2 4H2O 2H2 O2 → 2H2O H2 (1/2) O2 = H2O ......

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