Effect of Spinning Process on the Absorption Performance of Wooden Activated Carbon Fiber for Methylene Blue

摘要

In order to improve the adsorption performance of wooden activated carbon fibers(WACFs) and enlarge its application in food safety and fresh, the charcoal dust is used as pore-forming agent, and the absorption performance of WACFs for methylene blue(MB) by changing the liquid-solid rate, charcoal content, synthetics content and hydrochloric acid concentration is studied. The results show that: with the increase of liquid-solid ratio, the absorption capacity of WACFs for MB increases accordingly; with the increase of charcoal content and synthetics content, the absorption capacity both show the tendency of increasing first then reducing after accordingly, with the maximum absorption capacities of 534.61mg·g~(-1) and 527.25mg·g~(-1) respectively reached by 1% charcoal content and 4% synthetic content. When the hydrochloric acid concentration was below 15%, the absorption capacity increases linearly, while reduced when hydrochloric acid concentration was over 15%.