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PERACLEAN® products have proven highly effective for applications in the food industry over years. In the PERACLEAN® line Evonik provides products with a wide range of peracetic acid concentrations. A particular feature of peracetic acid is its very broad spectrum of anti-microbial effects, its fast reaction and its excellent effectiveness at low temperatures. PERACLEAN® does not form any chlorinated compounds. If discharged into an effluent stream, it rapidly decomposes into water, oxygen and acetic acid, which is readily biodegradable.
PERACLEAN® is used in the foodstuffs and beverage industry for disinfecting apparatuses, equipment, surfaces, containers, tanks, pipes, glass and plastic bottles. In this context its use usually constitutes part of the cleaning process. The surfaces to be treated are normally pre-cleaned and rinsed, before being disinfected.
The use of peroxyacetic acid in CIP- or SIP-installations (cleaning or sterilization in place) is common. Cleaning/disinfection is done automatically following a fixed program.The cleaning agents and disinfectants are used several times and are stacked meanwhile. The control of the disinfectant dosage is done by frequently analyzing the peroxyacetic acid content.
Today, many types of beverages are packaged in plastic bottles made from PET or HDPE. Products like juices, soft drinks, tea, mineral water and milk require perfect hygienic conditions during the packaging process to guarantee a long shelf life. The most common process is cold aseptic packaging. It includes sterilising of the packaging material with peracetic acid solutions or vapour in the rinsing step of the bottle filling line. For the rinse method as well as for the vapour method Evonik Degussa offers PERACLEAN® peracetic acid grades.
The concentration of PERACLEAN® and the exposure time required for disinfection depend on the application, frequency of cleaning and disinfecting intervals and on the resulting level of germs. It is always advisable to conduct micro-biological checks in order to optimise the concentration and exposure time for any given disinfecting task. Treated surfaces are always rinsed with water before reuse.
In food processing facilities process water of post harvest, fresh cut and processed fruits and vegetables need to be treated before use or re-use. CLARMARIN® products can be used as antimicrobial water additives to reduce pathogens in processing waters.