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Used Cooking Oil



Definition and Classification Used Cooking Oil typically refers to oil waste generated during cooking, food production, and consumption in households, the catering industry, and food processing enterprises that has lost its edible value. Based on source and properties, it can be classified into the following categories: 1.Swill Oil: Oil extracted and separated from leftovers, swill, and food scraps. It contains large amounts of impurities like food residues, sediment, and animal hair, and has high levels of microorganisms and heavy metals, representing the poorest quality. 2.Waste Frying Oil: Oil used in food frying processes that, due to high temperatures, oxidation, etc., has increased acid value and degraded quality, making it no longer suitable for consumption. While it has relatively fewer impurities, it contains significant amounts of oxidation products. 3.Gutter Oil: Oil originating from grease traps and sewers. It has a complex composition, mixing not only oil but also sewage, detergents, garbage, etc., and may contain toxic and hazardous substances.
Product Category: Imported product Wasted Edible Oil
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    项目ltems

    单位Units

    指标值Target

    外观Appearance

    液体,无水杂和沉淀物
    Brown liquid, no impurity or sediment

     

    总脂肪物含量
    Total Fatty Matter
    (Oil & FattyAcid)

    %

    >98

    酸价 Acid Value

    mgKOH/g

    ≤140

    碘价 lodine Value

    gl2/100g

    80-120

    氯含量Clorine Content

    ppm

    ≤50

    硫含量Sulphric Content

    ppm

    ≤100

    水分及挥发物
    Moisture and Vaporize Matter

    %

    ≤2

    磷含量Phosphorus Content

    ppm

    ≤10

    杂质lmpurity

    %

    ≤1

    皂化价 Saponification Value

    mgKOH/g

    ≥195

    不皂化物Unsaponifable Matter

    %

    ≤1

    总金属Total Metal

    ppm

    ≤200

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