From 838cc63634d1aca5bb88fbbe853e4eb295ac68d0 Mon Sep 17 00:00:00 2001
From: Yalin <mailto.yalin.li@gmail.com>
Date: Thu, 17 Oct 2024 20:44:59 -0400
Subject: [PATCH] add new inherited units from biosteam

---
 qsdsan/sanunits/_distillation.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/qsdsan/sanunits/_distillation.py b/qsdsan/sanunits/_distillation.py
index b81cda4a..8f5040a6 100644
--- a/qsdsan/sanunits/_distillation.py
+++ b/qsdsan/sanunits/_distillation.py
@@ -20,6 +20,8 @@
 __all__ = (
     'BinaryDistillation',
     'ShortcutColumn',
+    'MESHDistillation',
+    'AdiabaticMultiStageVLEColumn',
     )
 
 _lb_to_kg = qs.utils.auom('lb').conversion_factor('kg')
@@ -53,6 +55,24 @@ class ShortcutColumn(bst.units.ShortcutColumn, qs.SanUnit):
     '''
     biosteam.units.ShortcutColumn with QSDsan properties.
     
+    See Also
+    --------
+    `biosteam.units.ShortcutColumn <https://biosteam.readthedocs.io/en/latest/API/units/distillation.html>`_
+    '''
+
+class MESHDistillation(bst.units.MESHDistillation, qs.SanUnit):
+    '''
+    biosteam.units.MESHDistillation with QSDsan properties.
+    
+    See Also
+    --------
+    `biosteam.units.ShortcutColumn <https://biosteam.readthedocs.io/en/latest/API/units/distillation.html>`_
+    '''
+
+class AdiabaticMultiStageVLEColumn(bst.units.AdiabaticMultiStageVLEColumn, qs.SanUnit):
+    '''
+    biosteam.units.AdiabaticMultiStageVLEColumn with QSDsan properties.
+    
     See Also
     --------
     `biosteam.units.ShortcutColumn <https://biosteam.readthedocs.io/en/latest/API/units/distillation.html>`_