Potentiometer four-claw nut
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Place of Origin:Guangdong, China (Mainland), Guangdong, China (Mainland)
Brand Name:Lanejoy, Lanejoy
Model Number:PG18
Standard:GB
Material:Carbon Steel
Surface treatment:Zinc Plated Polished
Certificate:ISO9001:2015
Color:Zinc White
Size:Customized
Price Terms:FOB,CIF,CRF,EXW and others
Delivery Time:Within 20 workdays after receive payment
Model:Pg18
Packaging & Delivery
Packaging Details
opp bag/carton
Delivery Time
7 days
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Main Markets | Total Revenue(%) |
Southeast Asia | 20% |
South Asia | 20% |
Mid East | 20% |
Eastern Europe | 18% |
Northern Europe | 10% |
North America | 10% |
Africa | 2% |
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One of the main indicators to measure the quality of bauxite is the ratio of alumina content to silica content in bauxite, commonly known as aluminum-silicon ratio.
When the alumina is produced by the alkaline method, the aluminum ore is treated with an alkali (NaOH or Na2CO3) to convert the alumina in the ore to a sodium aluminate solution. Impurities such as iron and titanium in the ore and most of the silicon become insoluble compounds. The insoluble residue (red mud) is separated from the solution, discarded after washing, or subjected to a comprehensive treatment to recover the useful components therein. The pure sodium aluminate solution can be used to separate out aluminum hydroxide. After separation, washing and calcination, alumina products are obtained. The decomposing mother liquor is recycled for processing another batch of ore. Alkaline production of alumina includes Bayer process, sintering process and Bayer-sintering process.