Koch Membrane :: Spiral Membranes

MegaMagnum^® ELEMENT	TFC^® spirals	ROGA^® SPIRALS	industrial pES UF SPIRALS
KPAK™	SelRO^®	SPIRAPAK™	dairy spirals
SR® SPIRALS	XR™ MEMBRANES

ROGA^® Module 1, circa 1964
Pioneered and Developed by Koch Membrane Systems

Spiral wound membrane technology was first introduced more than 35 years ago when the first FLUID SYSTEMS^® RO element was created. Abcor pioneered the applicatons of spiral wound UF membranes in Food and Dairy wastewater and E-coat applications.

Today, KMS is still a leader in the field with innovative products, world-class customer support and unparalleled knowledge of spiral membrane technology.

KMS spiral membranes span the full spectrum of membrane filtration from microfiltration down to reverse osmosis. Offered in a variety of materials, diameters and lengths, KMS spiral wound membranes have quickly become the most prevalent of all the available membrane configurations.

Spiral wound elements are generally the more economical to operate. Spiral systems are:
• Compact – high membrane packing density results in more efficient utilization of floor
space
• Energy efficient – lower power consumption compared to other membrane configurations
• Lower capital cost, when extensive feed pretreatment is not required
• Robust – high pressure spiral elements can withstand pressures in excess of 1,000 psi

FLUID SYSTEMS^® TFC^® 4-inch Diameter Spiral Elements

Some of the many applications that employ KMS spiral wound membranes include:
• Seawater desalination
• Brackish Water Treatment
• Potable Water Production
• Industrial and Municipal Wastewater Recovery
• High purity water production
• Dairy processing
• Whey protein concentration
• Electrocoat paint recovery
• Oily wastewater minimization
• Gelatin concentration
• Protein Separation
• Acid, caustic and solvent recovery
• Purification and concentration of antibiotics

KMS manufactures Standard 40-inch Long Spiral Elements as well as 60-inch Long FLUID SYSTEMS^® Magnum^® RO and NF Elements

The list of spiral wound membrane applications that have been successfully commercialized is growing every day. However, the selection of the proper membrane is only the first step to designing a successful spiral wound membrane system. Careful attention must be paid to the membrane system pretreatment requirements, operating and cleaning procedures, system maintenance and a multitude of other critical factors. KMS spiral wound membrane products have been engineered for peak performance and efficiency when installed in a well designed and properly maintained system.

Cutaway Drawing of a Spiral Wound Membrane Element:

Current industry standard 8" dia. element shown with 18" MegaMagnum^® RO Element
Basic Construction of KMS Spiral Wound Membranes

• Membrane cast as a film onto flat sheet
• Sandwiched together with:
- Feed spacer thickness 0.028 - 0.10 inches
- Permeate carrier
• Sealed at each edge and wound up around a perforated tube
• Finished diameter range 2.5" to 18"
• Length options 33" to 60"
• Membranes available with sanitary net outer wrap or standard hard outer wrap
• Microfiltration, Ultrafiltration, Nanofiltration and Reverse Osmosis separation
ranges available
• Specially engineered high pH, high temperature and chemically resistant
membranes available

KMS Spiral Family of Membranes includes:
FLUID SYSTEMS^® TFC® Membranes for softening, brackish water, sea water and sanitary net wrap applications
FLUID SYSTEMS^® ROGA® Cellulose Acetate membranes for RO and UF applications
KPAK™ Membranes for Electrocoat Paint Recovery
SR^® SPIRALS Industrial and Sanitary Nanofiltration Membranes
SPIRAPAK™ Industrial membranes for high volume, low solids wastewater minimization
SelRO^® Solvent and pH resistant nanofiltration membranes
MegaMagnum^® RO Elements – the World’s largest spiral wound elements for brackish water, municipal wastewater recovery and seawater desalination

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System Maintenance

KMS ASSIST^® Service and Maintenance Programs help keep your system operating efficiently. KMS offers on-site and off-site membrane cleaning studies to refine your system's operation and prolong membrane life.

KMS Specialty Membrane Cleaning and Pretreatment Chemicals

Koch Membrane Systems can supply a full range of cleaning and pretreatment chemicals formulated specifically for members and membrane plants. Regular use of KOCHKLEEN^® Membrane Cleaners and KOCHTREAT^® Antiscalants will help prolong membrane life and protect your process.

KMS specialty chemicals are formulated by the same scientists that develop polymers for KMS and design KMS membranes. Unlike other cleaning companies, KMS only focuses on cleaning chemicals for membranes and systems. Therefore, KMS has taken its core competency and applied it to developing superior cleaning chemicals for the benefit of all KMS customers.

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