#TITLE_ALTERNATIVE#

• Main Author: FAHMI (NIM 13003059), MU'TI
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/11017
• Institution: Institut Teknologi Bandung

Castor oil is one of most potential non-edible energy resources in Indonesia. Castor oil could be processed through hydrolysis, esterification, saponification and pyrolysis to its derived. One of interesting castor oil processing is caustic fusion produces sebacic acid, octanol-2, and hydrogen. Sebacic acid used commonly as plastisizer, nylon 6/10, lubricant, and hidrolic fluid. While octanol-2 is perfume's raw material. Hydrogen as co-product has known as one of most interesting energy. Caustic fusion is a high temperature pyrolysis in the presence of caustic alkali.<p> <br /> <br /> <br /> The research is aim to search optimum temperature of caustic fusion reaction and best equipment configuration for the reaction. To achieve that goal, experiments of caustic fusion reaction held in a agitated vessel combine with condensor in vary of temperature from 200 to 375 about 4 hours in 50:50 castor oil:NaOH ratio. Methods for analyzing products are gas chromatograph, acid value, melting point, boiling point, bisulfit method and flamability test.<p> <br /> <br /> <br /> The experiment's result shows that optimum temperature for producing sebacic acid is 270-305 degrees C at 22% yield which has acid value 560-570 (reference 559) and melting point 130-132 degrees C (reference 132 degrees C). This yield value is too small compare to percentage of ricinoleic cracking (90%) derived from octanol-2/octanon-2's yield. Perhaps it because of decomposition of sebacic acid due to a long heating to produce natrium carbonate and organic product. Purity of octanol-2 was best represent by gas cromatography. Another methods like bisulfit and boiling point couldn’t represent the same value due to impurities other than ketone and aldehid. Configuration of equipment was modified a little by removing boiler, rise condensor elevation, and water condensate as reflux.