酚类化合物作为从枣核中提取的天然染料的应用：改性腈纶纤维的染色研究。
Application of phenolic compounds as natural dye extracted from date-pits: dyeing studies of modified acrylic fibres.
作者信息
Dhahri Hajera, Guesmi Ahlem, Ben Hamadi Naoufel
机构信息
a Laboratory of Synthesis Heterocyclic and Natural Substances, Faculty of Sciences of Monastir , University of Monastir, Boulevard of Environment , Monastir , Tunisia.
b University of Monastir, Textile Engineering Laboratory, Higher Institute of Technological Studies of Ksar , Hellal , Tunisia.
出版信息
Nat Prod Res. 2019 May;33(9):1329-1333. doi: 10.1080/14786419.2018.1475378. Epub 2018 May 23.
This research work involves the dyeing of acrylic fabric with natural dye extracted from date pits powders using Soxhlet extraction process. The effect of dye bath pH, salt concentration, dyeing time and temperature were studied. The optimal dyeing conditions where pH 4, 0 g/L salt, 60 min, and 80 °C. The COD and the BOD5 of the residual dye bath were measured and it was shown from the registered values that the residual dye bath presents an acceptable rate of organic discharge.
本研究工作涉及采用索氏提取法，用从枣核粉末中提取的天然染料对腈纶织物进行染色。研究了染浴pH值、盐浓度、染色时间和温度的影响。最佳染色条件为pH值4、盐浓度0 g/L、染色时间60分钟和温度80℃。对残留染浴的化学需氧量（COD）和五日生化需氧量（BOD5）进行了测量，从记录值可以看出，残留染浴的有机排放率是可接受的。
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