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LIST OF ARTICLES

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Article Info

No.114 (Jan - Mar 2015) p11-15
Palm Oil Mills and Oil Extraction Ratio
Jatinder Raj* and N Ravi Menon

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Abstract


Palm Oil Mills and Oil Extraction Ratio

This article that appeared in the Engineering Bulletin No. 70 has summarised the gist of the dilemma faced by palm oil millers from day one the modern palm oil mills made their debut in Malaysia or for that matter anywhere in the world. The refusal of some planters to accept the reality of where the mill oil is coming from, the national oil extraction rate (OER) will remain low. It is absolutely pointless to expect the fruit bunches to create more oil than what it contains. As far as oil synthesis is concerned, the moment a bunch is harvested, it cannot produce any more oil. Despite the oil palm planters having this knowledge, they still continue to point their fingers at the mill and put the blame on them when the mill OER drops. If we are sincere in our efforts under the National Key Economic Area (NKEA) to increase our national OER, the focus has to shift from the mill to the estate. This article is republished so that the industry can use the information to increase the national OER. The millers are kindly requested to convey the information to all the contributing estates.



Keyword(s): PALM OIL MILLS; OIL EXTRACTION RATE (OER) ; PLANTATION MANAGEMENT ; MPOB PUBLICATIONS

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Article Info

No.113 (Oct - Dec 2014) p45
Datasheet
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Datasheet

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Article Info

No.113 (Oct - Dec 2014) p25-33
A Critical Look at the Palm Oil Operations
N Ravi Menon

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A Critical Look at the Palm Oil Operations

This article is a repeat of the article previously published. As I felt that it contains some important points that will not get dated anytime in the near future, the millers are requested to read it through to improve the milling activity in their mills. The fabricating industry should also be well versed with what the millers seek so that they can fabricate machinery to fulfil the requirements of the industry.



Keyword(s): PALM OIL-Processing & Milling; PALM OIL MILLS ; MPOB PUBLICATIONS

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Article Info

No.113 (Oct - Dec 2014) p13-21
Malaysia’s Entry to Ultra Supercritical Boiler Technology Club
N Ravi Menon

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Malaysia’s Entry to Ultra Supercritical Boiler Technology Club

This write-up will be of interest to our steam engineers working in all palm oil mills in Malaysia as well as in Indonesia. Perhaps this will inspire the mill owners to consider improving their current dated technology they are holding tight to high-tech boiler technology for their mill boilers. This technology is not new as it is a common knowledge for mechanical engineers that at high superheat temperatures the specific steam consumption will be low resulting in high boiler efficiency. At high boiler pressures and the corresponding steam temperatures, the boiler tubes will have to be made of costly alloy steel as the normal steel has its limitations to withstand the high gas temperatures prevailing in the boiler furnace. This is equally true for high altitude jet propelled fighter aircraft gas turbines whose ability to withstand the gas temperature of the hot gases determines its performance during combat operations.



Keyword(s): PALM OIL MILLS; BOILERS ; PALM OIL-Processing & Milling ; MPOB PUBLICATIONS

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Article Info

No.112 (July - Sept 2014) p47
Datasheet : Mechanical Properties of Copper Alloys
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Datasheet : Mechanical Properties of Copper Alloys

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No.112 (July - Sept 2014) p33-36
Investigations into Process Improvements
N Ravi Menon

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Investigations into Process Improvements

As we all know, improvement in process technology is not an one-off activity but a recurring one even though its frequency will not match that of the present day smart phones. However, we do not seem to have a special body wholly dedicated to the design, fabrication and conduction of field trials of new machinery. Whatever system we do have now is sadly inadequate for venturing into new territories with the result that much of talent is wasted due to lack of opportunities. This reminds me of Thomas Gray, an Elegy Written in a Country Churchyard.



Keyword(s): PALM OIL MILLS; INNOVATIONS ; MPOB PUBLICATIONS

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Article Info

No.112 (July - Sept 2014) p21-28
Workshop Basics: Part 1- Engineering Materials
Jack Maycock* and N Ravi Menon

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Abstract


Workshop Basics: Part 1- Engineering Materials

Metallurgy and its application to produce new engineering materials play a very important role in workshop practice. One of the most important metallurgical application is the development of jet engines for aircrafts where the need for alloys that can withstand high temperatures is critical. In palm oil mills, the main requirement are confined to materials often in the form of alloys possessing the properties of corrosion resistance, erosion, strength and other requirements. There are continuously being manufactured to suit the different engineering requirements. It will therefore be useful for the workshop crew to gain some insight into the properties of such materials. This article was originally prepared and published in the Engineering New Issue No. 32 by the late Ir Jack Maycock to improve the technical knowledge of the workshop foreman, artisans and fitters. It will also serve the maintenance engineers as a reference material. The maintenance engineers are encouraged to use the material contained in this article to give lectures to their maintenance team in a simple language so that they understand the fundamental principles. They can be tested orally to gauge the knowledge they have gained and certificates issued by the manager or the authorised person.



Keyword(s): PALM OIL MILLS; FERROUS METALS ; NON-FERROUS METALS ; NON-METALLIC MATERIALS ; MPOB PUBLICATIONS

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Article Info

No.112 (July - Sept 2014) p13-16
Carbon Footprints
N Ravi Menon

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Abstract


Carbon Footprints

It will be of academic interest to know how this terminology gained entry into the complex world of confusing terminology jargons. Sometimes I wonder whether these words were coined for the specific purpose of confusing the public rather than to disseminate knowledge. The aim should be to educate the public on the harmful effect of some gases that find their way to the atmosphere through human (inhuman?) activities. I purposely did not use the term ‘greenhouse’ gas here as even the word ‘greenhouse’ gas is not a commonly used word by the general public although they might have read about it in newspapers without really understanding its multi facet components.



Keyword(s): OIL PALM; CARBON FOOTPRINT (CFP) ; GREENHOUSE GAS (GHG) ; MPOB PUBLICATIONS

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No.111 (Apr - June 2014) p43
Datasheet : Characteristics of Malaysian Planting
Rajanaidu, N and Jalani, B S

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Datasheet : Characteristics of Malaysian Planting

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No. 111 (Apr - June 2014) p31-35
Ecotag z Plant – A Revolutionary Technology that Removes Suspended Solids, Recovers Oil and Reduces Bod of Raw Sludge before Discharge to Ponds
Tay Swee Hong and Andrew S B Liew

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Abstract


Ecotag z Plant – A Revolutionary Technology that Removes Suspended Solids, Recovers Oil and Reduces Bod of Raw Sludge before Discharge to Ponds

In the palm oil industry, mills discharge 3%-6% organic solids derived mostly from mesocarp pulp into effluent ponds during processing. In addition, solids are generated during the anaerobic digestion of the effluent, and this precipitates to the bottom of the digestion ponds and after a period of time there is a solid build-up within the ponds. The solid build-up if left unchecked will result in significant reduction in the capacity of the effluent ponds, leading to a reduction in the hydraulic retention time of the effluent. Current process technology does not offer a continuous removal of sludge from the ponds and this poses problems to the mill management, as the mills find it difficult to keep the biological oxygen demand (BOD) of the discharge within 100 ppm. Now, with the proposed new ruling on the maximum BOD at below 20 ppm, the mills are concerned about how to implement the new demands by the Department of Environment (DOE). Failure to comply with the new requirement will result in compounding by the DOE.



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