Proof · Results

Case Studies

Real dividing wall column projects — the challenge, what we engineered, and the measured results in commercial operation.

~4
mo payback
30
% CAPEX
28
% Utilities
Whole-train intensification

World’s first: a seven-column train replaced by four DWC Prime columns

Acetone-derivatives complex, India · Commissioned 2026 · 35% less plot space
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+40%
capacity
$3M
CAPEX
0
new columns
Naphtha splitter revamp

A series of naphtha splitters revamped to a single DWC Prime

Refinery, Mumbai, India · +40% capacity & sharper cuts, within existing columns
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1st
DDWC in an ISOM unit
4-cut
one DWC column
New
pharma-grade hexane
Isomerization revamp

World’s first Dual DWC deisohexanizer in an isomerization unit

CPCL refinery, Manali, Chennai, India · More throughput at unchanged RON, plus a new high-value hexane product
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<1 ppm
CS₂ in naphtha
New
premium-gasoline cut
0
new columns
Contaminant removal

Depentanizer retrofit to DWC Prime cuts CS₂ below 1 ppm

Refinery, Southeast Asia · Meets the new CS₂ spec plus a premium-gasoline stream, within the existing column
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World’s 1st
commercial Dual DWC
3→1
columns
½
equipment count
Grassroots Dual DWC

World’s first commercial Dual DWC: multiple solvent grades from one column

BPCL Mumbai refinery · A three-column dearomatized-solvent train delivered as one flexible Dual DWC
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3 cuts
light · med · heavy
Turnkey
feasibility→start-up
0
added reboiler energy
Turnkey revamp

Turnkey naphtha splitter revamped to a Dual DWC

MRPL, Mangalore, India · Three sharper naphtha cuts with no change in reboiler duty, debottlenecking the downstream ISOM & CCR units
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More case studies coming soon.