HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Sulfuric Acid → Ozone
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Sulfuric Acid | HCID 1118 | — |
| Edukt | Calcium Sulfate Dihydrate | HCID 24928 | — |
| Produkt | Ozone | HCID 24823 | — |
| Produkt | Calcium Sulfate Dihydrate | HCID 24928 | — |
Reaktionsschritte
The same phosphogypsum suspension having a whiteness grade equal to 65 was acidified up to pH equal to 3 by using a sulfuric acid solution. After treatment with 500 parts per millions of ozone a phosphogypsum having a whiteness grade equal to 77 was obtained.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04344925 |
| Quelldatensatz | uspto-grants-1982_08 |
| ORD ID | ord-ed87d956b6124abc84e9ecfa1f7e8ce1 |
| Quellennotiz | uspto-grants-1982_08 |