Convert Pound-moles per hour to Kilomoles per second
Convert Pound-moles per hour (lb-mol/h) to Kilomoles per second (kmol/s) instantly and accurately.
Conversion Formula
kmol/s = lb-mol/h × 0.0001259978806
About Pound-moles per hour
The pound-mole per hour (lb-mol/h) equals 453.59237/3600 ≈ 0.12600 mol/s, the standard molar flow unit in US chemical process engineering simulation (Aspen Plus, HYSYS, Pro/II). Distillation column feed rates, reactor effluent streams, and compressor suction flows are universally expressed in lb-mol/h in US petrochemical and refinery design. 1 lb-mol/h = 453.59237/3600 mol/s ≈ 0.12600 mol/s ≈ 0.4536 kmol/h.
About Kilomoles per second
The kilomole per second (kmol/s) equals 1 000 mol/s, characterising the very largest industrial chemical processes. A world-scale ammonia synthesis plant produces ≈3 kmol/s of NH₃; a large steam methane reformer converts natural gas at ≈10 kmol/s. It is the preferred unit in European process simulation when outputs are in the thousands of tonnes per day. 1 kmol/s = 1 000 mol/s = 3 600 kmol/h.
Quick Reference Table
| Pound-moles per hour (lb-mol/h) | Kilomoles per second (kmol/s) |
|---|---|
| 1 lb-mol/h | 0.000125998 kmol/s |
| 2 lb-mol/h | 0.000251996 kmol/s |
| 5 lb-mol/h | 0.000629989 kmol/s |
| 10 lb-mol/h | 0.00125998 kmol/s |
| 25 lb-mol/h | 0.00314995 kmol/s |
| 50 lb-mol/h | 0.00629989 kmol/s |
| 100 lb-mol/h | 0.0125998 kmol/s |