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process and plant for the extraction and concentration of tannins from wood and other natural products
process and plant for the extraction and concentration of tannins from wood and other natural products
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机译:从木材和其他天然产物中提取和浓缩单宁的方法和设备
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摘要
Process and a plant to extract and concentrate tannins from wood and from other solid natural products containing it characterized in that the solid products are subjected to an extraction ( 1 ) by percolation with water and/or steam and the thus obtained tannin solution is subjected to nanofiltration ( 5 ).
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