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Rosette Ring Packing

Home Products Scrubber Internals Random PackingRosette Ring Packing

Scrubber Internals

Rosette Ring Packing – Multi-Ring Structure for High Efficiency

Rosette Ring Packing is a high-performance random packing consisting of several small rings connected radially to form an open rosette-shaped structure. The interlaced ring strips and numerous gaps create multiple points for liquid holdup and redistribution, continuously renewing the liquid surface to ensure thorough contact between the rising gas and descending liquid.

Rosette Ring Packing is mainly used in gas–liquid contact processes in the chemical, environmental protection, and water treatment sectors, including acidic and alkaline exhaust scrubbing, gas absorption, desulfurization, cooling, air washing, and mist elimination systems.

Different styles of Rosette Ring Packing arranged together

Features

Large gas–liquid contact area. The curved ribs and open grid structure form and continuously renew the liquid film.
High mass-transfer efficiency. The complex flow paths ensure thorough gas–liquid contact, facilitating waste-gas absorption, scrubbing, and cooling.
High void fraction. The packing has ample internal open space, allowing high gas throughput.
Low pressure drop. Low airflow resistance helps reduce fan energy consumption.
Good wettability. Liquid readily adheres to and disperses across the rib surfaces, reducing channeling.

Specifications

Teller Rosette Ring
Ceilcote Teller Rosette Ring
Boundless Rosette Ring
Snowflake Ring

Two plastic teller rosette ring units placed together

Table 1: Plastic Teller Rosette Ring Specifications
Size	Specific Surface Area (m²/m³)	Void fraction (%)	Bulk number (Pieces/m³)
Ø25	269	82	170000
Ø47	185	88	32500
Ø51	180	89	25000
Ø73	127	90	8000
Ø95	94	91	3900
Ø100	90	91	3000
Ø145	65	95	1100

Two metal teller rosette ring units placed together

Table 2: Metal Teller Rosette Ring Specifications
Size (mm)	Specific Surface Area (m²/m³)	Void fraction (%)	Bulk number (Pieces/m³)
50 × 25 × 0.8	112.8	96.2	19180
76 × 76 × 1.0	64.1	97.3	6000
100 × 45 × 1.2	53.4	97.3	2520

Two different ceilcote teller rosette ring units placed together

Table 1: Plastic Ceilcote Teller Rosette Ring Specifications
Type	Size (mm)	Specific Surface Area (m²/m³)	Void fraction (%)	Bulk number (Pieces/m³)
2K	82.5	28	95	5830
3K	105	31	96	1910

An boundless rosette ring element lying flat

Table 1: Plastic Boundless Rosette Ring Specifications
Type	Size (mm)	Height (mm)	Void fraction (%)	Bulk number (Pieces/m³)
S-O	47	19	88	32500
S	51	19	89	25000

Two plastic snowflake ring packing elements placed together

Table 1: Snowflake Ring Specifications
Size (mm)	Specific Surface Area (m²/m³)	Void fraction (%)	Bulk number (Pieces/m³)
94 × 34 × 1.5	138	97	5000