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01-17

Selection of drying equipment according to material status

Drying can be divided into two categories, one requires that after drying, raw materials remain the original shape, such as many kinds of food drying, building materials drying, etc. The other is to dry liquid, muddy, massive and powdery materials into powdery or granular products. Some drying processes, especially the drying of drugs, hope not to destroy the original crystal shape. In pharmaceutical production, liquid and powder materials are often used to reach a certain size of particles after drying. There are also technical problems in the feeding and discharging of dryers, and many aspects still need to rely on practical experience. From the economic point of view, the size of the treatment capacity is also one of the factors to choose the type of drying equipment.
01-17

Extraction technology of glycyrrhizic acid

Glycyrrhiza uralensis was selected for impurity removal crushing extraction filtration concentration separation precipitation recrystallization drying finished products.
01-17

Multinational Enterprises See the Market Prospect of Chinese Herbal Medicine in China

Recently, Amway Corporation of the United States said that it would invest in the establishment of plant research centers in China, focusing on the research and pilot planting of traditional Chinese herbal medicine. This is Amway's investment in China's R&D center in 2004, after the re-increase of R&D investment in China.
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