Does solvent recovery at a Mahad chemical unit change its carbon footprint?
Yes, in two directions. Recovering solvent cuts purchased solvent, whose production carries emissions, but distillation uses steam and power. Count both: steam fuel and electricity in Scope 1 and 2, and avoided solvent purchases as lower Scope 3. Measure per batch.
What to measure
- Steam and power used by recovery columns.
- Litres of solvent recovered and reused.
- Fresh solvent bought before and after.
Where it shows
Energy for recovery adds to Scope 1 and 2. Buying less fresh solvent lowers Scope 3 category 1.
Factors
Use solvent factors from suppliers or a labelled database.
What Senseible does here
Senseible reads bills, fuel invoices and production records into dated, fingerprinted records, so the figure you send a buyer can be traced to its documents.
Sources: GHG Protocol Corporate Value Chain (Scope 3) Standard, GHG Protocol Corporate Standard
Last reviewed 2026-10-22.