MRN Mill Revolutionizes Bentonite Cat Litter Performance

Engineered Crystal Morphology: The Key to Absorption

The breakthrough lies in precise particle morphology control – specifically, engineering cubic crystal structures. Cubical particles possess superior surface area and interstitial spaces compared to flat flakes, enabling dramatically faster absorption and more effective swelling. Our advanced MRN Pendulum Roller Grinding Mill, the culmination of over thirty years of on-site test data and R&D, is uniquely engineered to achieve this crucial cubic shape.

How the MRN Mill Enables Absorption Enhancement

The fifth-generation MRN Mill utilizes innovative pendulum roller technology to meticulously control the impact angle and grinding force applied to the bentonite. Unlike conventional mills that crush and shear material, creating flakes:

Optimized Impact Dynamics: The precisely calibrated pendulum roller swing path ensures repeated, controlled collisions that cleave the bentonite along its natural crystal planes. This promotes the formation of compact, cubic particles essential for maximum water intake.

Enhanced Surface Structure: Cubic particles created by the MRN mill expose more reactive sites on the montmorillonite clay layers, boosting absorption capacity. This engineering translates directly to proven results: absorption rates increased by 35%, reaching 350%.

Integrated Thermal Protection for Superior Product Integrity

Maximizing absorption potential demands more than just particle shape; preserving the montmorillonite’s natural structure is paramount. Excessive heat during grinding and drying can permanently damage the clay’s microcrystalline structure, diminishing its ability to absorb water. The MRN mill addresses this through:

Integrated Low-Temperature Drying: Utilizing precisely controlled hot air streams at 300°C within the grinding chamber for select models, the MRN mill efficiently reduces moisture content to a critical ≤1% without exceeding the thermal tolerance of bentonite. This controlled drying environment safeguards the integrity of the valuable montmorillonite platelets.

Structural Preservation: By preventing overheating, the mill ensures the delicate layered structure responsible for swelling and absorption remains intact, optimizing the final litter’s functional performance.

MRN Mill Technical Specifications for Optimal Bentonite Processing

Designed for high-volume, efficient production of premium cat litter, the MRN series offers a scalable solution:

Model	Max Feed Size (mm)	Final Size Range (mm)	Capacity Range (t/h)	Total Power (kW)
MB5X138	30	0.045 – 1.0	6.5 – 16	206 – 229.5
MB5X158	30	0.045 – 1.2	9 – 23	293.5 – 329.5
MB5X178	35	0.045 – 1.2	11 – 25	390 – 437
MB5X198	35	0.045 – 1.2	15 – 32	492 – 560
MB5X218	40	0.045 – 1.5	19 – 38	623.5 – 703.5
MB5X238	45	0.048 – 1.5	26 – 60	777 – 897
MB5X268	50	0.053 – 1.5	36 – 75	1005 – 1120
MB5X298	55	0.058 – 1.5	48 – 83	1247 – 1407

Model

Max Feed Size (mm)

Final Size Range (mm)

Capacity Range (t/h)

Total Power (kW)

MB5X138

0.045 – 1.0

6.5 – 16

206 – 229.5

MB5X158

0.045 – 1.2

9 – 23

293.5 – 329.5

MB5X178

0.045 – 1.2

11 – 25

390 – 437

MB5X198

0.045 – 1.2

15 – 32

492 – 560

MB5X218

0.045 – 1.5

19 – 38

623.5 – 703.5

MB5X238

0.048 – 1.5

26 – 60

777 – 897

MB5X268

0.053 – 1.5

36 – 75

1005 – 1120

MB5X298

0.058 – 1.5

48 – 83

1247 – 1407

Capabilities: The MRN mill handles all non-combustible, non-explosive brittle minerals with Moh’s hardness below 7 and moisture content under 6%, making it exceptionally well-suited for bentonite.

Driving Market Advantage and Environmental Compliance

The superior bentonite litter produced using the MRN mill delivers compelling market advantages:

Meeting & Exceeding Global Standards: Achieving the 35% absorption increase (350%+) ensures consistent passing of stringent ASTM F726-17 clump strength tests, meeting global quality benchmarks.

Superior Dust Control: The efficient, controlled grinding action of the pendulum rollers minimizes fines generation. This enables producers to achieve premium “Low-Dust” labeling, often validated by EPA environmental standards certification, becoming a key differentiator appealing to consumers concerned about health and air quality.

Commercial Success: Forward-thinking pet product manufacturers leveraging the MRN mill’s capabilities consistently report significant market share gains, driven by superior product performance meeting consumer demand for effectiveness and cleanliness.

The Premium Cat Litter Production Solution

Innovation in pet care hinges on advanced material science and processing technology. The MRN Pendulum Roller Grinding Mill represents a transformative solution specifically designed to overcome the absorption limitation inherent in conventional bentonite grinding. By enabling the engineering of cubic crystals through controlled impact angles and providing integrated thermal protection, the MRN mill consistently delivers a 35% increase in water absorption, creating litters that form superior clumps and meet ASTM standards. Combined with its ability to ensure low-dust production and scalable output from 6.5 to 83 tons per hour, the MRN mill provides cat litter producers with the definitive technological edge to capture market leadership. Experience the transformation in premium pet care product manufacturing.