Chemistry — Ostwald Process

{
  "elements":[
    {"data":{"id":"nh3","label":"Ammonia"}},
    {"data":{"id":"pt","label":"Pt-Rh catalyst (900C)"}},
    {"data":{"id":"no","label":"Nitric oxide (NO)"}},
    {"data":{"id":"no2","label":"NO2"}},
    {"data":{"id":"hno3","label":"Nitric acid"}},
    {"data":{"source":"nh3","target":"pt","label":"+ O2"}},
    {"data":{"source":"pt","target":"no"}},
    {"data":{"source":"no","target":"no2","label":"+ O2"}},
    {"data":{"source":"no2","target":"hno3","label":"+ water"}},
    {"data":{"source":"hno3","target":"no","label":"recycle NO"}}
  ],
  "layout":{"name":"breadthfirst","directed":true}
}