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Fuller's earth is the most common spelling today, but both fullers earth and fullers' earth remain in wide use. [4] Fuller's earth is also known by the following other names: Bleaching clay, [5] probably because fulling whitened the cloth. Whitening clay, particularly when used to treat facial pigmentation, such as melasma.
Bleaching removes color from the oil. This is achieved by adding a clay absorbent called bleaching earth in a vacuum mixer. [25] Filters remove the clay from the oil. [25] The oil enters the deodorizer, which is responsible for removing free fatty acids (FFA) generated by hydrolysis. One type of deodorizer works by distillating out the FFAs ...
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Cimolian Earth (Greek: κιμωλια, Latin: terra simolia), also known as "cimolite", refers to a variety of clays used widely in the ancient world. [1] These clays were used in medicine, in bleaching, and in the washing of clothes. They appear to be similar to Fuller's earth, and to Kaolin. A variety of colours of Cimolian Earth was known.
Skin whitening, also known as skin lightening and skin bleaching, is the practice of using chemical substances in an attempt to lighten the skin or provide an even skin color by reducing the melanin concentration in the skin. Several chemicals have been shown to be effective in skin whitening, while some have proven to be toxic or have ...
The fantasy football playoffs – and NFL injuries – continue, with only the fittest surviving. But if you lost one of those key performers (and you can still make roster moves), then the waiver ...
Cyber Monday deals have started. We've been tracking major savings for the past week, and while Black Friday saw record-low prices, Cyber Monday deals look like they're dipping even further.
A major source of chemical bleaching is hydrogen peroxide (H 2 O 2) that contains a single bond, (–O–O–). When the bond breaks, it gives rise to very reactive oxygen specie, which is the active agent of the bleach. Around sixty percent of the world's hydrogen peroxide is used in chemical bleaching of textiles and wood pulp. [7]