Effect of Processing Conditions on Yield of Screw Press Expressed Palm Oil

2013 ◽  
Author(s):  
O. A. Adetola ◽  
J. O. Olajide ◽  
A. P. Olalusi
2021 ◽  
Vol 11 (1) ◽  
Author(s):  
E. Silva-Avellaneda ◽  
K. Bauer-Estrada ◽  
R. E. Prieto-Correa ◽  
M. X. Quintanilla-Carvajal

AbstractThe use of oleogels is an innovative and economical option for the technological development of some food products, among them ice creams. The aim of this study was to establish the best processing conditions to obtain an emulsion which form oleogels with the lowest ζ-potential and average droplet size (ADS) for use as ice cream base. Using surface response methodology (SRM), the effects of three numerical factors (microfluidization pressure, oil and whey protein concentration, WP) and four categorical factors (oil type, temperature, surfactant, and type of WP) on formation of emulsions were assessed. The response variables were ζ, ADS, polydispersity index (PDI), viscosity (η), hardness, cohesiveness and springiness. Additionally, a numerical optimization was performed. Two ice creams containing milk cream and oleogel, respectively were compared under the optimization conditions. Results suggest oleogels obtained from the microfluidization of whey and high oleic palm oil are viable for the replacement of cream in the production of ice cream.


Author(s):  
Muhammad Firdaus ◽  
S M Salleh ◽  
I. Nawi ◽  
Z. Ngali ◽  
W.A. Siswanto ◽  
...  

2016 ◽  
Vol 1 (04) ◽  
pp. 1-8
Author(s):  
Rinaldi Rinaldi ◽  
Siswo Pranoto ◽  
Rafasiro Afriza
Keyword(s):  
Palm Oil ◽  

Sawit merupakan salah satu tanaman penghasil minyak sawit (Cruide Palm Oil) dan inti sawit (Palm Kernel) dan menjadi primadona tanaman perkebunan yang menjadi sumber devisa non migas bagi Indonesia. Salah satu proses terpenting untuk mendapatkan minyak kelapa sawit ada pada mesin screw press. Mesin ini berfungsi  memeras buah sawit untuk mendapat minyak sawit. Mesin screw press ini sering terjadi kerusakan yaitu ausnya pisau press pada saat memeras buah sawit, hal ini disebabkan oleh  faktor lama pemakaian, perawatan, dan material screw press. Penelitian ini dilakukan untuk mengetahui karakteristik material screw press dengan melakukan beberapa pengujian, menganalisa gaya dan tegangan pada screw press. Pengujian yang dilakukan adalah: uji tarik, uji kekerasan, struktur mikro, dan komposisi kimia. dimana dari hasil pengujian yang dilakukan didapatkan hasil yaitu: tegangan tarik sebesar 78 kg/mm2 , keuletan screw 4,64%, sementara berdasarkan standar dari material screw press  tegangan tarik screw press  adalah 100 kg/mm2. Pengujian kekerasan dari tiga titik pengujian pada salah satu titik kekerasannya berbeda. Sedangkan gaya tekan yang terjadi pada screw adalah sebesar 264 kN/m2, dimana besarnya torsi 85,50 kN.m2, dan tegangan aksial screw sebesar 336,13 kN/m2. Dari hasil uji yang telah dilakukan dapat disimpulkan besarnya selisih tegangan tarik spesimen uji dengan standar pabrik sangat jauh, serta kekerasan permukaan screw  yang tidak sama sangat mempengarui tingkat aus pada material screw press.


2018 ◽  
Vol 152 ◽  
pp. 01012 ◽  
Author(s):  
May May Tan ◽  
Viknesh Andiappan ◽  
Yoke Kin Wan

In recent years, there has been an increase in crude palm oil (CPO) demand, resulting in palm oil mills (POMs) seizing the opportunity to increase CPO production to make more profits. A series of equipment are designed to operate in their optimum capacities in the current existing POMs. Some equipment may be limited by their maximum design capacities when there is a need to increase CPO production, resulting in process bottlenecks. In this research, a framework is developed to provide stepwise procedures on identifying bottlenecks and retrofitting a POM process to cater for the increase in production capacity. This framework adapts an algebraic approach known as Inoperability Input-Output Modelling (IIM). To illustrate the application of the framework, an industrial POM case study was solved using LINGO software in this work, by maximising its production capacity. Benefit-to-Cost Ratio (BCR) analysis was also performed to assess the economic feasibility. As results, the Screw Press was identified as the bottleneck. The retrofitting recommendation was to purchase an additional Screw Press to cater for the new throughput with BCR of 54.57. It was found the POM to be able to achieve the maximum targeted production capacity of 8,139.65 kg/hr of CPO without any bottlenecks.


2007 ◽  
Vol 3 (4) ◽  
Author(s):  
Oseni K Owolarafe ◽  
Ganiyu A Badmus ◽  
Michael O Faborode

Investigation was carried out on the effect of processing conditions such as temperature, pressure and porosity on permeability of palm fruit cake. It was observed that increasing the temperature of the crude palm oil from 30 to 75°C, pressure from 2.88 to 3.82 kPa and porosity from 9.2 to 27.3% increases the permeability of the palm fruit cake. The statistical analysis of the effects of the processing factors on permeability indicates that temperature and porosity are significant at 99.99% while pressure was significant at 95%. A permeability model applicable to the practical palm oil expression was also developed in the study.


2010 ◽  
Vol 17 (5) ◽  
pp. 1086-1093 ◽  
Author(s):  
T.M. Loganathan ◽  
J. Purbolaksono ◽  
J.I. Inayat-Hussain ◽  
G. Muthaiyah ◽  
N. Wahab

1954 ◽  
Vol 31 (9) ◽  
pp. 384-388 ◽  
Author(s):  
F. H. Thurber ◽  
H. L. E. Vix ◽  
Walter A. Pons ◽  
A. J. Crovetto ◽  
N. B. Knoepfler

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