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Industrial-Grade Animal Fat Primary Rendering

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Food-Grade Animal Fat Primary Rendering

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Food-Grade Animal Fat Primary Rendering

Efficient, high-quality extraction of pure animal fats

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Overview

The primary goal of food-grade animal fat rendering is to extract high-quality edible oil from animal fats such as chicken, duck, cattle, sheep, and pig. This process uses controlled heating and separation to ensure the fat meets strict food safety and hygiene standards, making it suitable for use in cooking, food processing, and other edible applications.

Process Steps

  • Raw Material Preparation & Pretreatment

    Select fresh, odorless animal fat and perform coarse and fine crushing to increase surface area and improve rendering speed and yield.

  • Foreign Matter Monitoring

    Use mechanical metal detection and manual plastic detection to remove foreign objects from crushed materials.

  • Premelting & Preheating

    Heat and stir the crushed fat in a pre-melting tank with heat transfer oil to achieve a uniform solid-liquid mixture.

  • Rendering & Dehydration

    Under vacuum, heat the material in the rendering kettle to refine the oil, evaporate water and odors, and condense vapor in a condenser.

  • Oil Residue Separation

    Separate coarse residue for pressing into food-grade or feed-grade products, then fine-separate oil and particles in a centrifuge.

  • Refining & Filling

    Optionally degum, deacidify, decolorize and deodorize the oil, then package it in sealed containers for stable storage and transport.

  • Raw material preparation

    Select and crush chilled/frozen animal fats to uniform particles for optimal rendering.

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  • Foreign matter monitoring

    Detect and remove metals and plastics from crushed materials.

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  • Melting & dehydration

    Render materials in disc dryer under vacuum to separate oil, water and odors.

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  • Vacuum Rendering

    Refine oil under negative pressure to remove moisture and odors.

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  • Melting & dehydration

    Render materials in disc dryer under vacuum to separate oil, water and odors.

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Recommanded Products

High Efficiency

Disc dryer with scraper provides large heat exchange area and high production efficiency.

Vacuum Dehydration

Under negative pressure, moisture and odor molecules are quickly removed to improve oil purity.

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