Open AccessUsing electrodialysis technology for regeneration of hydrochloric acid from sour pectin extracts
Author(s) -
А. Л. Лукин,
O Marayeva,
Y Vysotskaya
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.179
H-Index - 26
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/422/1/012080
Subject(s) - pectin , hydrochloric acid , electrodialysis , chemistry , regeneration (biology) , pectinase , membrane , chromatography , extraction (chemistry) , reuse , pulp and paper industry , food science , biochemistry , organic chemistry , waste management , enzyme , biology , engineering , microbiology and biotechnology
The article focuses on investigation of efficiency of electrodialysis membrane technology for regeneration of hydrochloric acid in pectin extracts. Traditional methods involving using ethanol, encounter various technical problems. Application of electrodialysis membrane technology is considered to be an efficient solution. The study aims at evaluating the capacity of the membrane method in the process of hydrochloric regeneration in apple and beet pectin extracts and the way it affects the characteristics of pectin molecules of both types. The experiments show the possibility of almost full regeneration of hydrochloric acid for a reuse in the process of further extraction of apple and beet pectins. Such approach also enhances an increase in the degree of esterification and molecular mass of pectins, which is especially important in the case of less low-molecular beet pectin. The increase in the esterification degree boosts its jellying effect, but reduces its detoxicant capacity.