Urinal deodorizer block

Urinal Deodorizer Block

A urinal deodorizer block, commonly known as a urinal cake, is a small disinfectant block placed in urinals to reduce or mask odors from restroom use. These blocks are often made of a variety of chemicals that help to neutralize odors and provide a pleasant scent.

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A urinal with a urinal cake.

Composition

Urinal deodorizer blocks are typically composed of paradichlorobenzene, naphthalene, or other chemicals that sublimate, meaning they transition from a solid to a gas without becoming liquid. This sublimation process helps to release a continuous fragrance that masks unpleasant odors. Some modern urinal blocks are made from more environmentally friendly materials, such as biodegradable substances.

A para block used in urinals.

Function

The primary function of urinal deodorizer blocks is to control odor in public restrooms. They are placed in the urinal bowl, where they slowly dissolve over time, releasing a fragrance that helps to mask the smell of urine. In addition to odor control, some urinal blocks also contain enzymes or bacteria that help to break down organic matter, reducing the buildup of uric acid and other deposits in the plumbing.

Variants

There are several types of urinal deodorizer blocks available, including:

• Traditional blocks: Made from paradichlorobenzene or naphthalene, these are the most common type of urinal blocks.
• Enzyme blocks: Contain enzymes that help to break down organic matter and reduce buildup in pipes.
• Eco-friendly blocks: Made from biodegradable materials and free from harmful chemicals.

Waterless Urinals

In waterless urinals, urinal deodorizer blocks are often used to maintain hygiene and odor control without the use of water. These urinals rely on a special trap or sealant liquid to prevent odors from escaping, and the blocks provide additional fragrance.

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A waterless urinal in City University of Hong Kong.

Health and Safety

While urinal deodorizer blocks are effective at controlling odors, some of the chemicals used in traditional blocks, such as paradichlorobenzene, can be harmful if inhaled in large quantities. It is important to ensure proper ventilation in restrooms where these blocks are used. Eco-friendly alternatives are available for those concerned about the environmental and health impacts of traditional blocks.

Related Pages

• Urinal
• Restroom
• Odor control

References

• Urinal with urinal cake

• 

  Waterless urinal in City University of Hong Kong

• Urinal deodorizer block