Product datasheet

Nanofiltration Membrane

Sanitary element for dairy and food processing
Toray's Nanofiltration (TNF-series & TMNF-series) membrane elements incorporate apiperazine amide composite membrane specifically designed for maximum retention ofsugars and proteins, and high passage of monovalent salt ions.

Product Specifications

Standard dimensions in. (mm)Feed spacer thickness
in. (mm)

Active area
ft² (m²)

Size

A
Diameter

B
LengthC
Permeate tube ID

TNF 3838N1

0.031 (0.79)

75 (7.0)3838

3.8 (97)38 (965)

0.83 (21.1)

TNF 3838N2

0.046 (1.17)

63 (5.9)3840

3.8 (97)38.75 (984)0.83 (21.1)

TNF 3840N1

0.031 (0.79)

75 (7.0)7838

7.7 (196)

38 (965)

1.125 (28.6)

TNF 7838N1

0.031 (0.79)

365 (33.9)8038

7.9 (201)

38 (965)

1.125 (28.6)

TNF 7838N2

0.046 (1.17)

276 (25.6)8040

7.9 (201)40 (1,016)

1.125 (28.6)

TNF 8038N1

0.031 (0.79)375 (34.8)

TNF 8038N2

0.046 (1.17)

310 (28.8)

TMNF 8040PS

0.031 (0.79)375 (34.8)

Model

If you do not see a configuration or performance requirement that meets yourneeds, a team of product specialists is ready to develop custom engineeredsolutions. Please inquire within.

Spiral Elements in Sanitary Design (no ATD)

Components conform to FDA Regulation CFR Title 21 andUSDA/3A Sanitary Standards
Flow direction

AC

Material Specifications
Feed spacer & element outer wrap

Polypropylene

Permeate tubes, Anti-telescoping device (ATD),
inter-connectors for TMNF models

Polysulfone

Permeate carrier

Proprietary

Adhesives

Proprietary

B
Feed Water

Permeate

Concentrated Brine

TMNF 8040PS (w/ ATD)

Components conform to FDA Regulation CFR Title 21
Flow direction

ACB

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Nanofiltration Membrane
Product datasheet

OPERATING LIMITSApplications

Maximum operating pressure

800 psi (55.2 bar)

Maximum operating temperature

122°F (50°C)

Maximum cleaning temperature

122°F (50°C)

Ideal applications include the desalting of milk and whey
products (removal of monovalent ions) and to maximize theretention of lactose and larger organic molecules.

Acceptable operating pH range

3.5–10.5•Whey protein isolate

Acceptable short-term cleaning pH range

1.8–11.5•

Demineralized whey•

Lactose concentration•

Lactose-free milk

Maximum pressure drop per element

15 psi (1.0 bar)

Maximum pressure drop per vessel

60 psi (4.1 bar)

•Water recovery

Consult Toray for pressure limits when operating above ambient temperature•

Sugar concentrationOXIDANT TOLERANCE•

Flavor concentration

Non-detect•

Wine de-alcoholization

H₂O₂ continuous ppm

20*•

Beer de-alcoholization

H₂O₂ short-term cleaning <77°F (25°C) ppm

1,000*•

Diafiltration water

Chlorine tolerance (short-term cleaning at pH 11)*Free chlorine should not be present in feed

Regulatory Information

Toray's membrane elements are certified under:•ISO 9001:2015 QMS to ensure consistency in product andservice quality; and•ISO 14001:2015 EMS to enhance the environmental
performance of our products and services.

NOTICE
1.

Elements are preserved in sodium meta-bisulfite. Appropriate personal
protective equipment should be worn when handling.

2.

Toray accepts no responsibility for results obtained by the application of thisinformation or the safety or suitability of Toray's products, either alone or incombination with other products. Users are advised to make their own tests

to determine the safety and suitability of each product combination for theirown purposes.
3.

All data may change without prior notice, due to technical modifications orproduction changes.

4.

Consult Toray for element sizes not shown.

TORAY MEMBRANE USA, INC. 13435 Danielson Street, Poway, CA 92064, U.S.A. Tel: +1 (858) 218 2360

innovation@toraymem.com

TORAY MEMBRANE EUROPE AG Grabenackerstrasse 8b, Muenchenstein 1 CH-4142, Switzerland Tel: +41-61-415-8710 info.tmeu.mb@mail.toray

www.water.toray/products/specialty

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