undo change

BioSTEAMDevelopmentGroup · Jan 18, 2024 · 2d10e6c · 2d10e6c
1 parent 63cb9e6
commit 2d10e6c
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/thermosteam/separations.py b/thermosteam/separations.py
@@ -642,6 +642,12 @@ def lle(feed, top, bottom, top_chemical=None, efficiency=1.0, multi_stream=None)
         ms = feed.copy()
     ms.lle(feed.T, top_chemical=top_chemical)
     top_phase, bottom_phase = ms.phases
+    if not top_chemical:
+        rho_l = ms['l'].rho
+        rho_L = ms['L'].rho
+        if rho_L is None or rho_l is not None and rho_l < rho_L:
+            top_phase = 'l'
+            bottom_phase = 'L'
     top.mol[:] = ms.imol[top_phase]
     bottom.mol[:] = ms.imol[bottom_phase]
     top.T = bottom.T = feed.T