Aluminum melting process - Strategic application technology
Oil and Gas Refining
By definition, crude oil and natural gas are the raw materials of the petrochemical industry, with inert gases such as N2 and CO2 already used on a large-scale during their extraction. The processing of crude oil to the desired end products involves several steps. Again, gases from Messer are used in many of these process steps.
Claus process (Sulfur Recovery, SRU)
Processing H2S rich gas streams
Contact Process
producing sulfuric acid
Fluid catalytic cracking FCC
Major material conversion process in the oil processing industry
Gas Phase oxidation
in the chemical industry
Inerting
Protecting and shielding
Liquid Phase oxidation
in the chemical industry
Oil & Gas recovery
Maximizing the output
Spent acid regeneration
Thermal cracking of spent acid or sulphates
Steamcracking
Conversion of long-chain hydrocarbons into more valueable products
Activated sludge process
Sewage treatment
Avoiding of odour problems in pipelines
Oxidation of sulfur compounds
BIOX-Capacity Increase of WWTP
Proper dosing of oxygen to manage the biology
COD removal
Removing resilient contamination
Cooling water
Conditioning of cooling water
Cooling water treatment with CO2
Tuning the pH with gases & right equipment
Cracking of persistent COD with ozone
Equipment, expertise and gas for a complete solution
Neutralisation
of alkaline waste water
Neutralisation with CO2
Weak acid CO2 as alternative treatment to mineral acids
Oxyduct-Oxidation of hydrogen sulphide
Pure Oxygen for H2S degradation
Aluminum melting process
Just over 50% of aluminum products are produced from recycled secondary aluminum, with the main process steps being scrap conditioning, melting and casting. Depending on the contamination and bulk of the scrap, various types of furnace are used during melting: rotary drum furnaces, chamber furnaces or shaft furnaces. To remove impurities, the aluminum melt is cleaned by gas purging. This takes place in holding furnaces or specially designed ladle stations. In the case of the melt being transported in ladles on vehicles to another processing location, it is necessary to preheat the ladles with burners.
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