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Fullers Earth; bleaching earth; rinsing sludge; activated clay; bleaching powder soil; activated clay, activated clay
1, appearance: white or light coloured fine powders.
2, water (2hr.105 ° C): ≤ 12%
The decolorizing capacity: 3, ≥ 154
4, activity: ≥ 180mol/kg
5, size (0.076mm): 95%
6, the free acid (H2SO4): ≤ 0.20%
7, the content of heavy metal (Pb): 10mg/kg
8, the arsenic content: ≤ 3mg/kg
Physical and chemical properties:
Odorless, tasteless, non-toxic white powder, bulk density for 0.7~1.1g/ml. Is dispersive, greasy feeling. Insoluble in water, organic solvent and all kinds of oils and fats.
Has the strong ion exchange, selective adsorption, hydrophilic, surface activity and catalysis. Heated to 300 degrees above began to lose water of crystallization, structure change, have influence on the bleaching effect. If placed too long or moisture will reduce its adsorption function. Can absorb and remove asphalt oil medium, neutral gum, sulfide, olefins naphthenate minerals, alkaline nitrogen, improve the durability and safety of lubricating oil, corrosion resistance increase oil. Can absorb and remove pigment, plant oil, aflatoxin B1 (AFTB1).
The use and the use scope:
1 edible vegetable oil refining, for the decolorization and purification, remove harmful pigment, oil in aflatoxin, phospholipids, saponin, glial, cotton acid, making high-grade edible oil.
2 industrial animal and vegetable oil decoloring refined.
3 in the petroleum industry for decolorization, kerosene, gasoline, diesel oil, white oil, paraffin oil, Vaseline minerals such as refining and purification.
4 industrial waste oil (oil, lubricating oil and other mineral oil) recycling.
5 Decolorization of resin, natural alkali purification.
6 Decolorization of polyether purification.
7 in the food industry, used as a clarificant monosodium glutamate, vitamin, Wine and sugar juice, stabilization, beer saccharification processing, the syrup purification.
8Olefin separation, petroleum cracking, olefin polymerization catalyst Aromatics and alkanes.