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Technical regulation for metal phosphorus from wastewater recovery
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Basic data
| Standard ID | GB/T 31189-2014 (GB/T31189-2014) |
| Description (Translated English) | Technical regulation for metal phosphorus from wastewater recovery |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Z05 |
| Classification of International Standard | 13.030.20 |
| Word Count Estimation | 9,963 |
| Date of Issue | 9/3/2014 |
| Date of Implementation | 5/1/2015 |
| Regulation (derived from) | People's Republic of China Announcement of Newly Approved National Standards No. 21 of 2014 |
| 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 terms and definitions metal phosphate phosphorus in waste water recycling technology to produce metal phosphate wastewater, wastewater characteristics of the metal phosphide, metal phosphate phosphorus in waste water recycling |
GB/T 31189-2014: Technical regulation for metal phosphorus from wastewater recovery
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Technical regulation for metal phosphrous from waste water recovery
ICS 13.030.20
Z05
National Standards of People's Republic of China
Metal phosphate phosphorus in waste water recycling technology specification
Issued on. 2014-09-03
2015-05-01 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. Shandong CIQ, CNOOC Tianjin Chemical Research & Design Institute, Shenzhen High-tech shares Grammy
Limited copies.
The main drafters of this standard. Zhaozu Liang, Lu Siwei, Li Zhi special, Guo Bing.
Metal phosphate phosphorus in waste water recycling technology specification
1 Scope
This standard specifies the terms and definitions special metal phosphate phosphorus in waste water recycling technology to produce metal phosphate wastewater, wastewater metal phosphide
Of metal phosphate phosphorus in waste water recycling and safety.
This standard applies to chemical treatment - precipitation recycling metal phosphate phosphorus in waste water.
2 Terms and definitions
The following terms and definitions for use in the present document.
2.1
Phosphide phosphorization
Phosphate is a process of chemical and electrochemical reaction to form a phosphate chemical conversion coating film.
2.2
Phosphate conversion coating phosphateconversioncoatings
Metal (mainly steel) after containing zinc (Zn), manganese (Mn), chromium (Cr), was treated with iron (Fe) and other phosphate in the base metal sheet
Surface forming an insoluble phosphate film.
2.3
Phosphating phosphating
The metal materials and parts placed in a phosphate solution containing manganese, iron, zinc in chemical treatment of the metal material and workpiece surface
Generate a phosphate process protection film is insoluble in water.
2.4
Metal phosphate waste metalphosphidewastewater
Metal phosphate waste water is wastewater, wastewater phosphorus metal surface by degreasing, degreasing, surface conditioning, phosphating and other major processes generated.
3 metal phosphide generate wastewater
Metal phosphating process typically includes caustic degreasing, rinsing water, cold water rinsing, pickling rust, and phosphate, and other secondary cold rinse step. in
Its process, mainly produce caustic emulsified wastewater, rinsing water, acid phosphate waste and other waste water.
4 metal phosphate wastewater characteristics
Mainly in the form of inorganic salts such as zinc dihydrogen phosphate presence, in addition to acid, alkali substances, oil and suspended solids and other pollutants. due to
Different phosphating process may also contain a certain amount of nickel ions (Ni2), copper ion (Cu2) or lead ions (Pb2) and other heavy metal ions and tables
Surface active agent.
5 metal phosphate phosphorus in waste water recycling
5.1 chemical treatment - Principle of precipitation
Under certain conditions, the metal phosphate in wastewater phosphate (PO3-4) and calcium (Ca2), ferrous ions (Fe2), trivalent iron ions
...
