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urea SNCR flue gas denitrification
Detail
编号: ZH 类型: fertilizer
规格: 50kg 型号: GB2440-2001

Urea, also known as carbamide, is an organiccompound with chemical formula CO(NH2)2.This amide has two –NH2 groups joined by a carbonyl (C=O)functional group. ... Urea is widely used in fertilizers as a source ofnitrogen (N) and is an important raw material for the chemical industry.

coal-fired flue gas denitrification withurea serving as reducing agent

Because of safety in transport andstorage,denitrification technology with urea serving as reducing agent hasattracted more and more attention. The mechanism of denitrificaion,technologysystem and engineering application were reviewed,which were related toSelective Catalytic Reduction,Selective Non-Catalytic Reduction and urearoute.Then,the problems existing in the process of application wereanalyzed,and solving measures were put forward




Technical   specification of Urea(bagged)for denitrification

No

description

unit

standard

1

class

-

qualified

2

nitrogen content (dry basis)   

%

≥46.0

3

Biuret content

%

≤1.0

4

Moisture content (H2O)

%

≤0.7

5

Iron content(Fe)

%

≤0.001

6

alkalinity(NH3)   

%

≤0.03

7

Sulfate content(SO42-)   

%

≤0.02

8

Water insoluble content

%

≤0.04

9

granularity(0.85-8mm)   

%

≥90