| 摘要 |
<p>Method to recover sericin dissolved in degumming baths arriving from the degumming treatment of waste silk and/or yarns of raw silk (seta tratta) and/or silk fabrics, the degumming baths (11-111) undergoing an ultrafiltration step (13), a possible storage step (35) being included, the ultrafiltration step (13) producing at least a first concentrate (15-115) and a first product of permeation (14-114). Plant to carry out the method of recovery of sericin, which is positioned downstream of the degumming plant according to one or another of the preceding claims and comprises an ultrafiltration unit (38). Sericin recovered from baths which degum yarns of raw silk (seta tratta), silk fabrics or waste silk, the sericin being obtained by the above method and/or plant <IMAGE></p> |
