Detailed introduction
- 产品详情
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1. Granular Activated Carbon Adsorption Decolorization System
► Pulse bed
•Accurately control the liquid outlet quality to the set required value / Liquid outlet quality is stable
•The liquid treated flows through the activated carbon bed from bottom to top
•Local discharge of the dirtiest activated carbon / Amount of activated carbon can be minimized / High adsorption efficiency
•Less equipment investment / Small floor area

►Fixed bed
•The inlet pressure can be controlled to a relatively low value to overcome the entire bed resistance
•Larger flow design and operational values are available
•Backwash operating is available
•Lower height/Few operators/The internal inspection of the absorber is convenient

►Comparison of adsorption efficiency between pulse bed and fixed bed

2.Granular Activated Carbon Regeneration System
►Multiple hearth furnace
Temperature Stratified Operation Control
Atmosphere Stratified Operation Control
Multiple Operation Mode
Low Power Consumption
Long Service Life
Great Airtightness
Low Heat Energy Loss

►Regeneration process
DRYING
Layer 1-2: (100-400 ℃) evaporation and drying of water in activated carbon.
BAKING
Layer 3: (400-600 ℃) evaporate and carbonize the volatile matter adsorbed in the fine pores of activated carbon.
ACTIVATION
Layer 4-6: (800-1000 ℃) blow steam to remove the carbonization in the pores of activated carbon during baking, so as to restore the activity of activated carbon.
Activating Reaction : C+H2O→CO+H2

►Advantages of multiple hearth furnace activated carbon regeneration
♦Save energy
Waste heat recovery: 1.5 t saturated steam with 5 kg pressure can be recovered for each ton of carbon regenerated
Low fuel consumption: 150 Nm3 natural gas is consumed for regenerated 1t carbon
Fuel consumption of afterburner: 150 Nm3/t carbon (natural gas 850 ℃)
♦Activated carbon water conservancy transportation system
Low abrasion consumption of activated carbon
Low risk of mechanical failure
High transmission efficiency of activated carbon (high solid-liquid ratio)
♦Activated carbon loss
We guarantee that the loss rate of activated carbon in the regeneration process is about 5-8%

►The adsorption decolorization process of granular activated carbon and multiple hearth furnace regeneration process are applied to the process flow of food industry

Decolorization of Liquid Materials
Keywords: Decolorization of Liquid Materials
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Nanjing Yuding Environmental Technology Co., Ltd. is a wholly-owned subsidiary of Jiangsu Huanan Petrochemical Engineering Group Co., Ltd., dedicated to the research, development, design, manufacturing, installation, and operation of environmental protection technologies and equipment.
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