Hydrogen Sulfide (H2S) Removal
Hydrogen sulfide, H2S, is a common taste and odor compound found in underground potable water sources, characterized by a rotten-egg odor and metallic taste. OxyPure™ successfully oxidizes H2S to remove the taste and odor associated with sulfides. The oxidation reaction can be controlled under alkaline conditions to produce soluble sulfate and a minimal amount of colloidal sulfur. Hence, turbidity is minimized.
H2S + 4 H2O2 → SO4 2- + 4 H2O + 2 H+
(pH > 8)
|
Advantages of OxyPure™ Treatment System
- Economical
- Easily administered
- No toxic fumes
- No harmful by-products
| Comparison of OxyPure™ to Other Chemical Removal Systems |
| |
OxyPure™ H2O2 |
KMnO4 |
Chlorine |
| Physical Form |
Liquid |
Solid |
Gas |
| Oxidation Potential |
1.77 V |
1.67 V |
1.36 V |
| Reaction Time |
Minutes |
Minutes |
Minutes |
| Product Cost ($/#) |
$0.65 * |
$1.34 ** |
$0.12 ** |
| Predominant Product |
SO4 2- |
S, SO4 2- |
S, SO4 2- |
| Decomposition Products |
H2O, O2 |
MnO2 |
Chlorinated Species |
| Requirement for Removing 1 mg/L H2S: |
4.0 mg/L |
6.2 mg/L |
8.3 mg/L |
| Dose Rate Cost $/MG |
$44.00 |
$53.00 |
$10.00 |
* List price for 50% OxyPureTM, bulk tank trucks, as of May 22, 1995
** Chemical Marketing Reporter, May 22, 1995
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