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Process for dry fractionation to obtain final hard palm oil mid fraction

A technology of middle distillate and palm oil, which is applied in the field of ultrasonic-assisted dry fractionation, can solve the problem of low yield and achieve the effect of realizing cost

Pending Publication Date: 2021-04-09
AAK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The article does not mention anywhere that ultrasonication is used to overcome the low yield

Method used

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  • Process for dry fractionation to obtain final hard palm oil mid fraction
  • Process for dry fractionation to obtain final hard palm oil mid fraction
  • Process for dry fractionation to obtain final hard palm oil mid fraction

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Embodiment approach

[0142] According to yet a further embodiment of the present invention, the process comprises a further prior dry fractionation (PDF) of palm olein (POO) to obtain soft palm oil middle fraction (SPMF) and super olein fraction (SOF ).

[0143] Advantageously, the further preceding dry fractionation may be an ultrasound assisted prior dry fractionation comprising sonication of at least a portion of the palm olein to obtain a soft palm oil middle and super olein fraction.

[0144] According to an embodiment of the present invention, the first melting step and the second melting step are performed by the same melting device.

[0145] According to a further embodiment of the invention, the first cooling step and the second cooling step are performed by the same cooling device.

[0146] According to yet a further embodiment of the present invention, the sonication (US1, US2) of the first and second dry fractionation (FDF, SDF) is performed by the same sonication device.

[0147] Ac...

Embodiment 1

[0215] Example 1 - Manufacture of Hard Palm Oil Middle Distillate

[0216] First, the soft palm oil middle distillate is heated to 60 degrees Celsius so that it is completely melted and held at this temperature for two hours.

[0217] The molten soft palm oil middle distillate is then gradually cooled to a temperature of 23 + / - 2 degrees Celsius over a period of two hours. The soft palm oil middle distillate was subjected to sonication at 23 degrees Celsius. Ultrasound was applied at an energy equivalent to 1000 Joules / liter of soft palm oil middle distillate. After reaching a temperature of 23 degrees Celsius, the soft palm oil middle distillate was kept at a constant temperature of 23 + / - 0.5 degrees Celsius for 18 hours.

[0218] After isothermal crystallization at 23 + / - 0.5 degrees Celsius for 18 hours, the soft palm oil middle fraction was filtered to obtain a middle olein fraction (SPMF-O) and a middle stearyl fraction (SPMF-S). A pressure of 25 bar was applied durin...

Embodiment 2

[0230] Example 2 - Compositions obtained and compositions based thereon

[0231] Table 2 shows the compositions of fat composition numbers 1-8 (composition numbers 1-8). The composition is obtained by simply mixing the ingredients. It can be seen that composition numbers 1-2 correspond to the final hard palm oil middle distillate (fHPMF-A) and the second hard palm oil middle distillate (sHPMF-B) obtained in Example 1.

[0232]

[0233] Table 2. Recipes for compositions (Comp.) no. 1-8 obtained using shea stearin, palm olein stearin (POSt) and hard palm oil middle distillates according to the invention (composition nos. 1-2). For composition numbers 6-8, the sum of the contents of fHPMF-A, sHPMF-B, shea stearin and POSt was 100%.

[0234] Palm Olein Stearin (POSt) was added to Composition Nos. 3-5, 8 to increase the PPP-triglyceride content.

[0235] Composition Nos. 6-8 included a substantial amount of hard palm oil middle distillate combined with shea stearin and thus r...

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Abstract

A process for dry fractionation of a soft palm oil mid fraction (SPMF) into a final hard palm oil mid fraction (fHPMF-A)is disclosed. The process comprises: providing the soft palm oil mid fraction (SPMF), using the soft palm oil mid fraction (SPMF) as an input (IN1) to a first dry fractionation (FDF) to obtain an intermediate olein fraction (SPMF-O) and an intermediate stearin fraction (SPMF-S), using the intermediate olein fraction (SPMF-O) as an input (IN2) to an ultrasound assisted second dry fractionation (SDF) to obtain the final hard palm oil mid fraction (fHPMF-A) and a palm oil olein fraction (POO), wherein the ultrasound assisted second dry fractionation (SDF) comprises subjecting at least a part of the input (IN2) to ultrasonic treatment (US2). Also disclosed is afinal hard palm oil mid fraction (fHPMF-A), a second hard palm oil mid fraction (sHPMF-B), a hard palm oil mid fraction mixture, and uses of these.

Description

technical field [0001] The present invention relates to a process for dry fractionation to obtain a final hard palm oil middle distillate, in particular using ultrasound assisted dry fractionation. Background technique [0002] Extraction of soft palm oil middle distillates to hard palm oil middle distillates is common, typically involving solvent fractionation. [0003] One disadvantage of solvent fractionation is that it is a very expensive process, both in terms of operating costs and in terms of construction costs. [0004] When attempting to use dry fractionation, disadvantages include problems in obtaining satisfactory output quantities and output yields. [0005] An example of dry fractionation of palm olein is described in: Hashimoto, S., Nezy, T., Arakawa, H., Ito, T., Maruzeni, S., "Flash Melting Hard Palm Oil Middle Distillates Preparation of Sharp-Melting Hard Palm Midfraction and Its Use as Hard Butter in Chocolate, J.Am.Oil.Chem.Soc. , Vol. 78, No. 5, 2001, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B7/00A23D9/02B01D9/00C11B3/16
CPCC11B7/00A23D9/02C11B3/16A23K10/18A23K50/30A23K20/158B01D9/0004B01D9/0081A23D9/04A23G1/36A23V2002/00B01D9/004B01D2009/0086C07C67/52
Inventor 耶珀·林德加德·约尔特
Owner AAK
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