Lewatit® MonoPlus S 108

Lewatit® MonoPlus S 108 is a strong acid cation (SAC) gel-type ion exchange resin in the Na⁺ form with monodisperse bead size. Manufactured from styrene-divinylbenzene copolymer, the resin features high chemical, osmotic, and mechanical resistance. This ensures durability even under harsh operating conditions such as high temperature or oxidative environments.

Brand: Lanxess

Product Type: Ion exchange resins

PRODUCT FEATURES

Uniform bead size (uniformity coefficient of 1.1) ensures excellent chemical and osmotic stability
High flow rates during regeneration and loading
High operating capacity at low regenerant consumption
Reduced rinse water requirement compared to conventional resins
Uniform distribution of regenerants and water enhances resin bed performance
A virtually linear pressure drop gradient across the entire bed depth, allowing operation with higher bed depths
A low TOC emission and high resistance to oxidative stress
Good separation of the components in mixed bed applications
Certified to Halal, RoHS, and HACCP international standards

SPECIFICATIONS

Delivery form

Na⁺
Functional group

Sulfonic acid
Matrix

Styrenic
Structure

Gel
Appearance

Black
Uniformity coefficient (max.)

1.1
Mean bead size (d₅₀)

0.62 mm (± 0.05)
Total capacity (delivery form)

2.2 eq/L

Lewatit® MonoPlus S 108 ion exchange resin from Lanxess (Germany) is widely applied in demineralization and industrial water treatment systems. It complies with stringent quality standards and delivers stable performance throughout its service life. The following section provides detailed information to help you better understand the features and benefits of Lewatit® MonoPlus S 108.

1. Physical and chemical properties of Lewatit® S 108

The resin features a uniform bead size, which optimizes flow distribution and minimizes pressure loss, enhancing operational efficiency. Thanks to its excellent chemical resistance, Lewatit® MonoPlus S 108 performs reliably even in the presence of oxidizing agents, strong acids, or alkalis without degradation in quality

SPECIFICATION	VALUE
Bulk density for shipment (±5%)	830 g/L (51.9 lb/ft³)
Density (approx.)	≈ 1.30 g/mL
Water retention (delivery form, approx.)	≈ 41 – 46%
Volume change (Na⁺ → H⁺, max)	≈ 10%
Stability pH range	0 – 14
Storability temperature range	-20°C to 40°C (-4°F to 104°F)

2. Operating and regeneration specifications of Lewatit® MonoPlus S 108

To ensure optimal performance, Lewatit® MonoPlus S 108 should be operated and regenerated according to the recommended specifications. Effective regeneration helps extend the resin’s service life and minimize chemical consumption.

Operating specifications

SPECIFICATION	VALUE
Operating temperature (max.)	140°C (284°F)
Operating pH range (during exhaustion)	2 – 14
Minimum bed depth (single column)	800 mm (31.5 inch)
Minimum bed depth per component in mixed bed	500 mm (19.7 inch)
Backwash bed expansion per m/h (20°C)	4%
Specific pressure loss (at 15°C)	1 kPa*h/m²
Max. pressure loss during operation	250 kPa (36 psi)
Max. specific flow rate	60 BV/h (8 gpm/m³)

Regeneration specifications

SPECIFICATION	VALUE
HCl regeneration concentration (approx.)	≈ 4 – 6%
HCl quantity (co-current, min.)	100 g/L resin (6.3 lb/ft³)
HCl quantity (counter-current, min.)	55 g/L resin (3.4 lb/ft³)
H₂SO₄ regeneration concentration (approx.)	≈ 1.5 – 8%
H₂SO₄ quantity (co-current, min.)	120 g/L resin (7.5 lb/ft³)
H₂SO₄ quantity (counter-current, min.)	80 g/L resin (5.0 lb/ft³)
Regeneration contact time (min.)	20 minutes
Slow rinse at regeneration flow rate (min.)	2 BV (15 gal/ft³)
Fast rinse at service flow rate (min.)	2 BV (15 gal/ft³)

3. Features of Lewatit® MonoPlus S 108

Lewatit® MonoPlus S 108 possesses multiple outstanding features that enhance operational performance in water treatment systems. These characteristics not only optimize ion exchange processes but also contribute to reducing operating and maintenance costs.

Monodisperse bead size (uniformity coefficient of 1.1) ensures high chemical and osmotic stability
High flow rates during regeneration and loading
High operating capacity at low regenerant consumption
Low demand for rinse water compared to conventional resins
Homogeneous throughput of regenerants, water and solutions, resulting in a homogeneous operating zone
Virtually linear pressure drop gradient across the entire bed depth, allowing operation with higher bed depths
Low TOC emission and high resistance to oxidative stress
Good separation of the components in mixed bed applications

4. Advantages of Lewatit® MonoPlus S 108

Lewatit® MonoPlus S 108 from Lanxess offers several superior advantages that help customers optimize their water treatment systems:

Uniform particle size: Uniformity coefficient of 1.1 ensures high exchange capacity
High ion exchange efficiency: Enables effective water purification and rapid removal of unwanted ions
Reduced operating costs: Thanks to low regenerant consumption and minimal rinse water requirement
Excellent mechanical and chemical stability: Extends resin service life and reduces replacement frequency
Efficient system design: Virtually linear pressure drop across the resin bed allows for deeper bed configurations
High application flexibility: Compatible with a wide range of industrial and municipal water treatment systems
Globally certified quality: Complies with Halal, RoHS, and HACCP standards

5. Certifications of Lewatit® MonoPlus S 108

Lewatit® MonoPlus S 108 meets stringent international standards, affirming its safety and performance across various applications:

Halal: Certified to meet hygienic and food safety requirements under Islamic guidelines
RoHS: Compliant with the EU Restriction of Hazardous Substances directive—free from lead, mercury, cadmium, and other restricted materials
HACCP: Certified for food safety risk management, suitable for use in food and beverage production and potable water systems.

For further details on certifications, please visit: Learn more about Lewatit® resin.

6. Applications of Lewatit® MonoPlus S 108

Lewatit® MonoPlus S 108 is widely applied in industrial and municipal water treatment processes. It is suitable for modern, high-performance systems that require effective ion removal and consistent water quality.

Industrial water treatment: For raw water, cooling water, and wastewater processes
Municipal water supply: Provides safe, clean water for urban distribution networks
Water demineralization: Used in high-purity steam generation systems
Polishing applications: Applied in advanced filtration systems such as the Lewatit® Multistep System or mixed bed setups using anion resins like Lewatit® MonoPlus M 500 MB, M 800, M 600, MP 500, MP 800, and MP 600
Other applications: Suitable for production water treatment, make-up water preparation, and beyond

7. Trusted distributor of Lewatit® MonoPlus S 108 uy tín

ATS Water Technology Co., Ltd. is the official distributor of Lanxess (Germany) in Vietnam, supplying a wide range of ion exchange resins, including Lewatit® MonoPlus S 108.

All products distributed by ATS come with complete CO and CQ certification, ensuring traceable origin and compliance with industry standards.

With years of expertise in the water treatment sector, ATS Water Technology delivers not only genuine products but also comprehensive services including system design consultation, engineering support, and tailored solutions. We help customers optimize their treatment system performance and minimize operational costs.

If you’re seeking a reliable, high-performance Lewatit® MonoPlus S 108, contact ATS Water Technology today for expert guidance and dedicated support. Visit our official website or call our hotline for prompt assistance.

ATS WATER TECHNOLOGY CO., LTD