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Palm Fruit Oil Press Machine

Palm Fruit Sterilizer

Sterilization is the foundational stage of palm oil milling. We supply Horizontal and Vertical Sterilizers designed to arrest FFA formation and ensure superior CPO quality.

Processing capacity
Residual oil rate

Product Details

QIE Group provides high-performance sterilization systems, from traditional horizontal batch units to modern continuous technology, engineered for 24/7 industrial operation.

Sterilization Process

The sterilizer uses saturated steam in a multi-stage cycle:

  • Air Evacuation: Removes air from the vessel to prevent oil oxidation.
  • High-Pressure Steaming: Operates at 3.0 bar and 145°C to inactivate lipase enzymes, keeping FFA levels low, and softening the fruit mesocarp to improve oil extraction.
  • Pressure Discharge: Rapid release causes an expansion effect, separating the fruit from the bunches and preparing the kernels for downstream processing.

This process ensures minimal oil loss and high-quality crude palm oil (CPO) production.

ObjectiveFunction
Lipase InactivationDestroys enzyme activity to halt FFA development, meeting premium export standards
FFA Control< 3%
Structural SofteningBreaks down spikelet-to-bunch attachment, ensuring near-zero unstripped bunch (USB) loss
Mesocarp ConditioningIncreases fruit pulp permeability for higher oil extraction
Kernel DetachmentDehydrates nut to shrink kernel, preventing breakage during cracking

QIE Sterilization Solutions

Horizontal Sterilizer — Industry Standard for Large Mills

The horizontal cylindrical vessel is the most proven configuration for large-scale operations (20–120 TPH).

Vertical Sterilizer — Space-Saving & Automated

Designed for mills with limited footprint or those seeking to reduce material handling overhead.

FeatureHorizontal SterilizerVertical Sterilizer
Equipment RequiredCages, rail cars, tracks, winchesNone
Facility InvestmentHigherLower
Operational MaintenanceHigherLower
Labor IntensityHighLow (automated)
Steam DistributionUniform (with condensate management)Uniform
Oil-Water LeakagePossiblePrevented
Workshop EnvironmentStandardClean, green manufacturing ready
Automation LevelLimitedFully compatible
Ideal Capacity20–120 TPHMedium capacity/ space-constrained

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