Zinc oxide desulfurizer for hydrogen sulfide removal with ASTM , DS2 series
Zinc oxide desulfurizer for H2S removal, with ASTM standard, DS2 series, Biogas desulfurizer
Zinc oxide desulfurizer, DS2 series usage and features
The feed gas can be natural gas, petroleum gas, light oil gas, synthetic gas, coal gas, semi-water gas
and other various gases. Usage of type DS2 zinc oxide desulfurizer at a low temperature can guarantee
high purity of gases containing large amount of inorganic sulfur(1-2 g/m3) and small simple organic
sulfur(such as COS,CS2). It's suitable to remove hydrogen sulfide both at high(350-450C and low
temperatures(30-350C), while it's better for high temperature.
Zinc oxide desulfurizer, DS2 series can also be used as a protective agent for synthesizing
carbinol, hypoallergenic and methanation catalyst.
Zinc oxide desulfurizer, DS2 series usage:
1. Serve as raw material of fine desulfurization when using natural gas or light oil vapor gas
conversion makes hydrogen or ammonia
2. Serve as conversion catalyst to protect methane before conversion catalyst when coke-oven
gas makes ammonia
3. Serve as low transformation protectant before copper low temperature conversion catalyst
when using natural gas or naphtha as raw material makes ammonia or hydrogen
4. Other techniques for fine desulfurization
Features of chemical equation
ZnO+H2S=ZnS+H2O
CS2+4H2=2H2S+CH4
COS+H2=H2S+CO
COS+ZnO=ZnS+CO2
Zinc oxide desulfurizer, DS2 series proposed application direction:
Temperature: 30~450C, renewable material
Pressure: normal pressure to 0.1-4.0 Mpa
H2S content of air inflow:3000 ppm
H2S content of air outflow:20 ppm
Humidity: relative humidity 20~100%, water content in bed is strictly prohibited
Bed layer height and tower diameter ratio: ≥2
Zinc oxide desulfurizer, DS2 series package:25 kgs woven bag, or plastic bucket
Zinc oxide desulfurizer, DS2 series physical properties
|
Type |
DS2-A |
DS2-B |
DS2-C |
|
Appearance |
White cylindrical particles |
Gray cylindrical particles |
Gray cylindrical particles |
|
Size, mm |
Diam:4-5mm,
Length:5-15 mm |
Diam:4-5mm,
Length:5-15 mm |
Diam:4-5mm,
Length:5-15 mm |
|
Bulk density,kg/l |
0.85-0.95 |
0.9-1.1 |
0.9-1.1 |
|
Strength,N/cm |
35 min |
30 min |
30 min |
|
BET,m 2 /g |
60 min |
100 min |
100 min |
|
ZnO,% |
80 min |
85 min |
85 min |
Zinc oxide desulfurizer, DS2 series using condition
|
Type |
DS2-A |
DS2-B |
DS2-C |
|
Temperature |
Room temper-200C |
Room temper-450C |
430-800C |
|
Pressure, Mpa |
5.0 |
5.0 |
5.0 |
|
Airspeed |
500-1000/h |
500-1000/h |
500-1000/h |
|
Sulfur species in material |
H2S |
H2S\COS\CS2 |
H2S\COS\CS2 |
|
Total sulfur in material ,ppm |
≤10 |
≤10 |
≤10 |
|
Sulfur capacity, % |
10-15 |
15-25 |
15-25 |
|
Desulfurization precision,ppm |
≤0.05 |
≤0.03 |
≤0.03 |
| 
