膜分离法制备塔拉单宁的研究

›› 2009, Vol. 43 ›› Issue (1): 17-19.

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Study on Preparation of Tara Tannin by Polysulfone Membrane

XU Hao¹, ZHANG Zong-he¹, ZHONG Chong-mao², QIN Qing¹, TAO Lin², WANG Guang-hui¹

1. Institute of Chemical Industry of Forestry Products, CAF;Key and Open Lab. on Forest Chemical Engineering, SFA, Nanjing 210042, China;2. Nanjing Longyuan Natural Polyphenol Synthesis Factory, Nanjing 210032, China

Received:2008-11-16 Revised:1900-01-01 Online:2009-01-30 Published:2009-01-30

Abstract

Abstract: Polysulfone membrane was used to treat the solution of tara tannin. The influencs of several factors such as the mole-cular weight cutoff, trans-membrane pressure, flow velocity, and temperature on membrane property and product quality were studied. The experimental results showed that, under the conditions of molecular weight cutoff of 10000, trans-membrane pressure of 0.2 MPa, flow velocity of 2.0 m/s, and temperature of 40-45℃, the tara tannin with turbidity≤0.5 NTU, and purity ≥85% was obtained.

Key words: membrane separation, tara tannin, extraction, polysulfone membrane

CLC Number:

TQ51.4
TQ94

XU Hao;ZHANG Zong-he;ZHONG Chong-mao;QIN Qing;TAO Lin;WANG Guang-hui. Study on Preparation of Tara Tannin by Polysulfone Membrane[J]. , 2009, 43(1): 17-19.

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Study on Preparation of Tara Tannin by Polysulfone Membrane

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