The improvement of the tanning extract production from the coniferous bark with the use of alkaline extractants

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The research results on the improvement of the tanning extract technology from low-quality raw materials with receiving the product with a high yield (up to 59%) and quality (good quality - 67%) are presented in the article. It is achieved by the use of the water-alkaline extractant and the combined method ofthe obtained extract refining (neutralization, sulphitation,ultrafiltration).

Bark, water-alkaline extracts, ultrafiltration, good quality, sulphitation

Короткий адрес: https://sciup.org/14084160

IDR: 14084160

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