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Decolorization Tank
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Decolorization Tank

Decolorization Tank Function: Removes color, impurities, and odors from solutions via adsorption, chemical reaction, or physical separation.

Product Contents

Function: Removes color, impurities, and odors from solutions via adsorption, chemical reaction, or physical separation.

I. Applications

  • Food Industry: Sugar, MSG, glucose, starch syrup refining

  • Pharmaceuticals: Intermediate purification, pyrogen removal

  • Chemicals: Dye intermediates, additives processing

  • Edible Oils: Pigment removal during refining

II. Working Principles

MethodMechanism
AdsorptionActivated carbon/clay traps pigments in micropores
Chemical ReactionDecolorizers (e.g., oxidants) break chromophores in high-COD wastewater
Physical SeparationFiltration/centrifugation removes particulate impurities

III. Structural Features

  • Vertical Enclosed Design: Prevents dust contamination.

  • Custom Agitators: Low-noise, material-specific mixing (e.g., shear-sensitive biologics).

  • Jacketed Heating: Steam/hot water circulation for optimal adsorption temperature (60–110°C).

  • Insulation Layer: Cross-linked PE foam minimizes heat loss (<5% energy dissipation).

  • Sanitary Construction:

    • Mirror-polished interior (Ra ≤0.6 µm)

    • Smooth radius transitions at all ports/sight glasses

    • CIP-compatible, dead-leg-free design

IV. Advantages

AspectBenefit
EfficiencyReduces color intensity by 90–99% (Lovibond scale)
MultifunctionalityIntegrates decolorization, filtration, drying
Energy ConservationOptimized heating/agitation cuts power by 15–30%
Eco-FriendlinessMinimizes chemical consumption; recyclable adsorbents
ReliabilityFDA-compliant materials (SS316L/304); >20,000-hour MTBF

V. Application Examples

  1. Edible Oil Bleaching:

    • Reduces carotenoids/chlorophyll in palm/soybean oil

    • Residual pigments: ≤0.1 RBU (Rosenthal scale)

  2. Textile Effluent Treatment:

    • Cuts COD by 40–70%; achieves discharge standards (<50 Pt-Co units)


Technical Specifications (Standard Model):

  • Capacity: 0.5–50 m³

  • Working Pressure: -0.1 to 0.5 MPa

  • Adsorbent Dosage: 0.2–5% (w/v)

  • Typical Cycle Time: 30–120 min

Critical for meeting ISO 22000, GMP, and REACH compliance in sensitive industries.


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