Technical data of date juice decolorization plants

Penta-Dec systems are specialized plants designed for the decolorization of date juice and date syrup. By utilizing high-affinity adsorbent resins, these systems effectively remove the dark pigments and melanoidins that naturally occur in date extracts, producing a light-colored, high-purity liquid sweetener that is ideal for use in the food and beverage industry.

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Pigment Removal

The system is engineered to selectively remove the complex coloring matter found in date juice, transforming a dark brown liquid into a clear or light amber solution.

Purity Enhancement

Beyond decolorization, the process also removes trace impurities and off-flavors, resulting in a cleaner-tasting syrup with improved shelf stability.

Industrial Efficiency

The plant is designed for continuous operation with automated regeneration cycles, ensuring high throughput and consistent product quality for large-scale date processing.

Process concept and operating strategy

The Penta-Dec process utilizes advanced macroporous adsorbent resins that are specifically calibrated for the molecular structure of date pigments.

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High decolorization efficiency for date juice and syrup.
Significant improvement in product clarity and stability.
Fully automated operation with minimal operator intervention.
Scalable design for different production volumes.
Durable resins with long operational life.

Useful references

Date Syrup Production
Adsorption Technology

Sizing inputs:
Juice volume, initial color intensity (ICUMSA), Brix level, and required daily capacity.

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Technical data for date juice decolorization plants (Penta-Dec)

Model	Resin volume (L) ADS (Adsorbent)	Instant flow rate (hL/h)	Treated volume (hL/day)	NaOH 50% consumption (L/cycle)	H₂SO₄ 50% consumption (L/cycle)	Water consumption (L/cycle)	Plant dimensions (L x W x H)
System DEC 375m	375	11.2	The cyclic service-regeneration is diversified based on the type of product to be processed and the color concentration.	12	//	1.300	1.200 x 1.200 x 2.300 mm
System DEC 575m	575	17.5	The cyclic service-regeneration is diversified based on the type of product to be processed and the color concentration.	18	//	2.100	1.400 x 1.300 x 2.300 mm
System DEC 800m	800	24	The cyclic service-regeneration is diversified based on the type of product to be processed and the color concentration.	24	//	2.800	1.500 x 1.200 x 2.400 mm
System DEC 1.000m	1.000	30	The cyclic service-regeneration is diversified based on the type of product to be processed and the color concentration.	30	//	3.500	1.600 x 1.500 x 2.600 mm
System DEC 1.300m	1.300	39	The cyclic service-regeneration is diversified based on the type of product to be processed and the color concentration.	40	//	4.200	1.700 x 1.500 x 2.800 mm
System DEC 2.500m	2.500	75	The cyclic service-regeneration is diversified based on the type of product to be processed and the color concentration.	76	//	8.050	1.900 x 1.900 x 2.800 mm

Three-column decolorization

Model	Resin volume (L) ADS (Adsorbent)	Instant flow rate (hL/h)	Treated volume (hL/day)	NaOH 50% consumption (L/cycle)	H₂SO₄ 50% consumption (L/cycle)	Water consumption (L/cycle)	Plant dimensions (L x W x H)
System DEC 175	175 + 175 + 175	5.2	125	15	1.5	1.880	2.400 x 1.200 x 2.300 mm
System DEC 375	375 + 375 + 375	11.2	270	33	3.3	4.000	2.600 x 1.200 x 2.300 mm
System DEC 575	575 + 575 + 575	17.5	420	52	5.2	6.200	3.000 x 1.300 x 2.300 mm
System DEC 800	800 + 800 + 800	24	575	72	7.2	8.600	3.400 x 1.400 x 2.400 mm
System DEC 1.000	1.000 + 1.000 + 1.000	30	720	90	9	10.780	3.600 x 1.500 x 2.600 mm
System DEC 1.300	1.300 + 1.300 + 1.300	39	935	120	12	14.000	4.200 x 1.600 x 2.800 mm
System DEC 2.500	2.500 + 2.500 + 2.500	75	1800	230	23	26.900	5.200 x 1.900 x 2.800 mm

FAQ

Yes, but for optimal decolorization efficiency, it is often recommended to decolorize the juice at a lower Brix before final concentration.