Crystallization (al-tabalwur): Invented by Geber.
Distillation, pure
Filtration (al-tarshih): Invented by Geber
Water purification
Coffee: Produced by Khalid in Kaffa, Ethiopia, in the 9th century.[11]
Confectionery: Due to advances in sugar production and the invention of sugar refineries, this led to the production of early confectioneries by the Arabs.
Distilled water and water purification: Purified by Muslim chemists.
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