The process of making perfume includes pretreatment, mixing, Chen Hua, freezing, filtration, color matching, bottling, andfinished product inspection.
1 pretreatment: raw materials such as alcohol, essence and water for making perfume must be pure and can not contain impurities.Therefore, pretreatment should be done before use, so as to ensure the appearance of the product is clear, fragrant and mellow,and the fragrance is round.
2 Mixing: put alcohol, essence and water into a container of stainless steel or enamel, silver and tin in a certain proportion,
stirring and mixing for a period of time, so that the impurities in the essence can be fully precipitated, so that the clarity of
the finished product and the anti turbidity in the cold condition are improved.
3 aging: mix good perfume into a sealed container with safety valve for aging. The aging of perfume has two ways: physical method.and chemical method. Physical methods include mechanical stirring, air bubbling, infrared,ultraviolet light irradiation,ultrasonic treatment and mechanical vibration. A kind of.Chemical methods include air, oxygen or ozone bubble oxidation, silver or silver chloride catalysis, tin or hydrogen reduction.During the aging period, the scent of perfume gradually changed from coarse to fragrant. However, if the flavoring is not.suitable, it will produce undesirable odors. Some people think that it will take three months for aging, while others think it.should be longer or shorter. It can be adjusted according to production conditions and other factors.
4 cooling: when the perfume touches the lower temperature, it will become translucent or foggy. After that, it will no longer
clarify if it is heated again, and it will always be cloudy. Therefore, perfume must be frozen before filtering.
5 filtration: after aging and freezing, some insoluble substances are precipitated, filtered and removed to ensure its
transparency and clarity. Filter press is used for filtration, and diatomite and other filter aids are added to adsorb and
precipitate particles, otherwise the precipitate will block the pore channel of filter cloth. After adding the filter aid, the
perfume should be cooled to about 0 degrees, and the temperature should be maintained during filtration. The temperature of the
filter press can be cooled by repeated circulation of the perfume that has been cooled. After filtering the precipitates produced
by aging and cooling, it can be recovered to room temperature and filtered by a fine pore cloth again, so as to ensure that the
product is clear and transparent during storage and use. due to the use of filter aids in filtration, some fragrances may be
adsorbed, resulting in loss of fragrance, which should be estimated in advance and compensated afterwards.
6 color matching: generally, the color is added after the filtration process, otherwise, the color is easy to be adsorbed by thefilter aid, but the color must be compared with the standard sample before adding.
8 bottling: the bottle should be washed with distilled water. When bottling, some space should be left at the bottleneck to
prevent the solution in the bottle from heating and expanding and the bottle from cracking during storage
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