Shows a collection of sugar beets and a possible end product—syrup.

Sugar and food industry

Mud-juice filtration after the carbon isolation process

Mud-juice in sugar production

In a sugar refinery, undesirable non-sugar substances are precipitated during liming and in the carbon isolation process.

These substances are then usually separated from the thin sugar juice in a two-stage process using candle or plate filters.

Blocking of the filter cloths.

Conventional filter systems are equipped with simple backwashing mechanisms. This leads to rapid clogging of the filter cloths and consequently to high maintenance costs due to short service life.

During a sugar campaign, however, there is a requirement for as little manual intervention as possible while ensuring reliable, uninterrupted operation.

No clogging and as few filter cloth changes as possible.

Lenzing Filtration meets these demanding customer requirements with a novel, patented candle design featuring a highly efficient backwashing process.

The cake building filtration system with wet and dry discharge requires significantly fewer filter cloth changes than conventional systems, enabling reliable operation even under high workloads.

The solution: LENZING CakeFil

Filtration of mud-juice through highly efficient backwashing, minimal manual effort during an entire sugar campaign.

1.2 m³/m²hThroughput per filter area
100 %Increase in cloth service life

Process diagram from liming to mud-juice filtration to softening — LENZING CakeFil and LENZING OptiFil installation for the filtration of mud-juice in sugar production

A baleen whale in the water as a substitute for a portrait picture

„When constructing a new sugar factory, only LENZING CakeFil would be used for mud-juice filtration.“

Operations manager

German sugar factory

Filtration of mud-juice

Advantages of using the LENZING CakeFil system

Cost savings

Innovative patented candle design and efficient backwashing process enable the service life of the filter cloth to be doubled.

Reliability & Flexibility

Increased workloads due to production fluctuations are compensated more reliably by highly efficient backwashing.

LENZING CakeFil

The LENZING CakeFil system is a process candle filter for cake building filtration with slurry or dry solids discharge. Its patented system enables highly efficient backwashing, thereby extending the service life of the filter fabric.

Filtration down to submicron range

Dry or slurry discharge

Efficient cake discharge

Unbeatable cloth service life

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LENZING OptiFil

The LENZING OptiFil system is a reliable backwash filter for the finest filtration of industrial fluids and in water treatment. Its patented backwash system enables maximum process continuity with minimum backwash quantities.

High backwash efficiency (patented)

Filter fineness down to 1 μm

Very high throughput rates

Completely closed system

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