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Dadang Supriatna
Balai Besar Industri Agro
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

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(Design and Performance Testing of Dryer and Clarifyer Equipment on Processing of Virgin Coconut Oil) H Guring Pohan; Dadang Supriatna
Warta Industri Hasil Pertanian Vol 21, No 02 (2004)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (8156.984 KB) | DOI: 10.32765/warta ihp.v21i02.2516

Abstract

Design and performance testing study of the dryer and the clarifyer equipments of Virgin Coconut Oil (VCO) has been done for producing better quality of the product. The power of the electrical motor for stirrer of the dryer used was 5 hp and it has reduced from 1500 rpm to 300 rpm using gear box T.S. 80 type and finally become 4 rpm on the stirrer in order to running well. Electrical motor connected to the timer apparatus to change the rotation of the dryer which automatically work well so that the grated coconut meat to be dried accepted the heat energy uniformly. The flow direction of the refinery of oil and the fluid (mix of the oil and water) from the bottom of the refine equipment was raised up and then went down to the bottom, so that the oil product did not break to the treatment of heat. According to this indicated that the stirrer apparatus could worked well. Analytical result shows that the VCO moisture content is 0,11 %, free fatty acid is 0,22 % and lauric acid is 49,92 %. The whole of equipments system process is running well. Drying rate of water at 70 C, condition is 7,9% (w/w) per hour, heating efficiency is 18,99% at 6 hours drying time, capacity of dryer 231,1 kg per batch, efficiency of the refinery oil per batch 97 %.
(The Study on The thermal Energy Consumption and Effisiency in Coconut Oil Processing Using HOID Technology) Lukman Junaidi; A S Tariq; Yang Yang Setiawan; Dadang Supriatna
Warta Industri Hasil Pertanian Vol 16, No 1-2 (1999)
Publisher : Balai Besar Industri Agro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (9028.126 KB) | DOI: 10.32765/warta ihp.v16i1-2.2461

Abstract

The study on the thermal energy consumption and efficiency in coconut oil processing using HOID technology was conducted to evaluate the performance of the thermal energy efficient fumace. the preliminary comsubtion experimental conducted to examine the thermal capacity of the system, indicated that the system could be used to fry minimum of 2 tons coconut meat per 8 hours operation. The frying capacity of the furnace was influenced significanrtly by the ration of the fresh coconut meat to coconut oil and the amount of coconut oil that should be replaced. The higher the ration will result in the higher of the frying rate. The result of experiment showed that the maximum thermal efficiency of the fumace was around 70% this maximum efficiency could be achieved if the loss of the thermal energy from the system could be made minimally, espencially loss due to the sensible heat in the dry flue gas and loss due to the incomplete combustion of fuel resulting in carbon monoxide in the flue gas. The average thermal efficiency of the system was 54%.
Co-Authors A S Tariq Ade Herman Suherman Agus Sudibyo Ahmad Sulaeman Bakri Rosidi Eddy Sapto Hartanto Ella T. Sutrisno H Guring Pohan Hellen Anita Rini Hitler Guring Pohan Indra Neffi Ridwan Kurnia Hanafiah Lukman Junaidi M Maman Rohaman Mirna Isyanti Rizal Alamsyah Subagja - Sulistiani - Tiurlan F. Hutajulu Tiurlan Farida Hutajulu Yang Yang Setiawan