Separation of Some Organic Acids From Aqueus Solution With Reactive Extraction
Nowadays, several methods are developed alternatively to traditional methods. The aim of this study is the separation of carboxylic acids with reactive extraction which is the newest seperation methods. For this purpose; nicotinic acid, fumaric acid and glyoxylic acid and also several amines and solvents are used.
Nicotinic acid, niacin or vitamin B3, is a carboxylic acid that can be soluble in water and alcohol-soluble. It’s the most stable vitamin because of high stability for heat and light at a large pH range. The vitamin B complex is very important for carbohydrate metabolism.
Fumaric acid is a colorless crystalline compound found in various plants and also produced synthetically. It is used mainly in resins, paints, varnishes, and inks. Fumaric acid is a geometric isomer of maleic acid, having two carboxyl (COOH) groups attached on opposite sides of an ethylene chain.
Glyoxylic acid is a colourless solid that occurs naturally and is useful in industry. The compound is formed by organic oxidation of glyoxal with hot nitric acid, the main side product being oxalic acid.
In the experimental study, the reactive extraction of nicotinic acid, fumaric acid and glyoxylic acid were studied with triisooctylamine, tridodecylamine, tributhylamine and trioctiylamine. Totally nine solvents were used, which consisted of 3 different alcohols (octanol, decanol and iso amyl alcohol), 3 different ketones (iso buthyl methyl ketone, heptanone, octanone) and n-octane, n-heptane, n-hexane. Ten set experiments were studied for each amine.
As a result of, the best solvent for nicotinic acid was found to be isoamyl alcohol, if triisooctyl amine and tridodecyl amine were used. Also, the experiments with fumaric acid, the best solvent was decanol with tributyl amine and isoamyl alcohol with tridodecyl amine. The experiments with glyoxylic acid, the best solvent was isoamyl alcohol with trioctylamine and decanol with tridodecyl amine.
KUNDUZ Saliha
Danışman : Doç. Dr. Gülin Selda POZAN SOYLU
Anabilim Dalı : Kimya Mühendisliği
Programı : Proses Ve Reaktör Tasarımı
Mezuniyet Yılı : 2014
Tez Savunma Jürisi : Doç. Dr. Gülin Selda POZAN SOYLU
Prof. Dr. Gülten GÜRDAĞ
Doç. Dr. S. Naci KOÇ
Doç. Dr. M. A. Faruk ÖKSÜZÖMER
Doç. Dr. Tuba ŞİŞMANOĞLU
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