دراسة ازالة بعض المركبات الفينولية والحوامض العضوية من محاليلها المائية على سطح البوليمر ثلاثي ايثانول امين كليسيرايل ماليت == REMOVABLE STUDY OF SOME PHENOLS AND ACIDS COMPOUNDS FROM AQUEOUS SOLUTIONS BY (TRIETHANOLAMINE - GLYCERYLMALEATE) POLYMER SURFACE
Author name:
محمد حسين علي
General topic:
Chemistry
Specific topic:
Chemistry
Degree:
Master
University:
Al-Nahrain University - College Of Science - Chemistry Department
Language:
English
University location:
Baghdad
First pages:
25T1674 - p.pdf
Abstract:
Triethanolamine - glycerylmaleate polymer was prepared, and identified by FTIR spectroscopy then swelling tests were performed for this polymer in different solvents.The adsorption processes of the some phenols and acids compounds : ph, na, nal, B, AB and DAB in aqueous solutions on the surface of this polymer were investigated by the use of UV - visible spectrophotometer and also studied at different : temperatures, ionic strength, and pH.The results revealed that the adsorption for compound at temperature of 25 °C took : S - mode for all compounds according to Giles classification.1 - At temperature of 25 C the adsorbate amount arrange to the following order : ph < nal < na < B < AB < DAB2 - The adsorption for ph, na, nal, and B take the following order for ionic strength 0.1M NaCl > 0.0M NaCl >0.2M NaCl But for AB, and DAB take 0.0M NaCl > 0.1M NaCl >0.2M NaCl3 - Generally it was noticed that adsorption quantities is proportionally correlated with the pH studies.4 - The ΔH values for all adsorbate compounds were negative, while ΔS values were negative for all compounds except for ph and B.5 - In comparison with zeolite (5A) the prepared polymer posse’s higher ability to adsorb than zeolite especially for AB and DAB compounds.
