CSIMarket


Terms Beginning with B
                       
                       
 Backlog   Basis Point   Billed Business Credit Card  
 Balance of payments   Basis-Only Swap   Bioavailability  
 Balance on current account   Bauxite   Biologic Products  
 Balance on goods and services   Bayer Process   Biomarker  
 Balance Sheet   Bbl   Blast Hole Open Stoping  
 Balloon Angioplasty   Bcf   Blasting  
 Barrel   Bcfe   Blendstocks  
 Basic Cards-In-Force   Beneficial Interest   Blister Copper  
 Basic Net EPS   Beneficiation   Block Cave  
 Basis   Beta   BOE  
                 
                  next arrow
 
 
       
       
 

Bayer Process

Manufacturing Term


The Bayer Process is a chemical process for refining bauxite ore into alumina, which is then used to produce aluminum. It was developed in the late 19th century by Karl Bayer and is still the primary method used in alumina production worldwide.

The process involves several stages. First, the bauxite ore is crushed and mixed with a hot solution of sodium hydroxide. This dissolves the aluminum oxide, which is present in the form of gibbsite, into the solution, leaving behind impurities such as iron oxide and silica.

The solution is then filtered to remove the impurities, and the clear liquid is sent to a series of evaporators, where the concentration of sodium aluminate is increased. The concentrated solution is then cooled, causing solid alumina trihydrate to crystallize out of the solution.

The alumina is then washed and heated to a high temperature in a process called calcination, which removes any remaining water and converts the alumina trihydrate to pure alumina. This alumina can then be used to produce aluminum metal through a process called smelting.

The Bayer Process is a crucial step in the manufacturing of aluminum, which is used in a wide variety of products, from aircraft and automobiles to beverage cans and household appliances. Its efficiency and reliability have made it the preferred method of alumina production worldwide.


   
     

Bayer Process

Manufacturing Term


The Bayer Process is a chemical process for refining bauxite ore into alumina, which is then used to produce aluminum. It was developed in the late 19th century by Karl Bayer and is still the primary method used in alumina production worldwide.

The process involves several stages. First, the bauxite ore is crushed and mixed with a hot solution of sodium hydroxide. This dissolves the aluminum oxide, which is present in the form of gibbsite, into the solution, leaving behind impurities such as iron oxide and silica.

The solution is then filtered to remove the impurities, and the clear liquid is sent to a series of evaporators, where the concentration of sodium aluminate is increased. The concentrated solution is then cooled, causing solid alumina trihydrate to crystallize out of the solution.

The alumina is then washed and heated to a high temperature in a process called calcination, which removes any remaining water and converts the alumina trihydrate to pure alumina. This alumina can then be used to produce aluminum metal through a process called smelting.

The Bayer Process is a crucial step in the manufacturing of aluminum, which is used in a wide variety of products, from aircraft and automobiles to beverage cans and household appliances. Its efficiency and reliability have made it the preferred method of alumina production worldwide.


Related Manufacturing Terms
                     
                     
 Aggregates   Backlog   Casting Metal  
 Agitation Leach Plant   Bauxite   Cathode  
 Alloy   Bayer Process   Caustic Soda  
 Alumina   Beneficiation   Coating  
 Aluminum   Blast Hole Open Stoping   Cobalt Co  
 Anode   Blasting   Copper  
 Anode Furnace   Blister Copper   Copper Anode  
 Anode Slime   Block Cave   Copper Cathode  
 Anti-Oxidants   By Product   Copper Concentrate  
 Asbestos   Calcined   Cordless and VoIP  
               
                  next arrow
 
   


Help

About us

Advertise