APPARATUS AND METHOD FOR PRODUCTION OF NATURAL DYE

摘要

The invention relates to an apparatus and method for production of natural dye from skin of fruits using submerged membrane water extractor system. The process uses an ultrafiltration submerged membrane and nanofiltration cross flow membrane. The product containing the natural dye flows through the membrane contains plentiful of pure natural dye. This process is the integrated by extractor and membrane (ultrafiltration and nanofiltration) technology.