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Gaylord Chemical Company,
L.L.C. (GCC) is the world's
leading provider of Dimethyl
Sulfoxide (DMSO) solutions.
Beginning in the early
1960's ,GCC has been dedicated
to the development of new uses
for DMSO. In order to meet
customer-specific needs, GCC
has pioneered the development
of multiple grades of DMSO,
including DMSO USP.

Gaylord Chemical's solutions-
based approach has contributed
to the development and growth of
industries including
pharmaceuticals, hydrocarbons,
electronics, polymers, coatings,
agricultural chemicals, and
industrial cleaners.

Gaylord Chemical's headquarters
are located in Slidell, Louisiana
with manufacturing, research,
and development facilities in
nearby Bogalusa, Louisiana.
GCC remains the only producer
of DMSO in the Western
Hemisphere.
Oct 2007
DIMETHYL SULFOXIDE (DMSO) RECOVERY,
SYSTEM ENGINEERING,
AND ENVIRONMENTAL CONSIDERATIONS
Introduction

This bulletin summarizes information specific to recycling dimethyl
sulfoxide (DMSO), such that the process chemist or engineer can
design and construct a system to fit specific conditions and
requirements. Environmental aspects related to handling DMSO are
also discussed.

Contents:

DMSO Recovery
Separation from Aqueous Solution (pages 3-5)
Removal of Nonvolatiles (page 5)
Separation from Volatile Organics (page 5-7)
Typical System for Recovery of DMSO (page 6)

Environmental Considerations
Air Quality (pages 7-8)
Scrubbing Recommendations (page 8)
Water Quality (page 9)

System Engineering
Materials of Construction (page 9-10)
Corrosion Data (page 10)
Process Equipment (page 11)
Bulletin # 107
Gaylord Chemical Company, L.L.C.
Your Global Leader For DMSO Solutions!
P.O. Box 1209
Slidell, LA 70459-1209 USA
1.800.426.6620 Office
1.985.649.0068 Fax
info@gaylordchemical.com