A proprietary company is a form of privately held company in Australia and South Africa that is either limited or unlimited.However, unlike a public company there are, depending on jurisdiction, restrictions on what it can and cannot do. proprietary company is a form of privately held company in Australia and South Africa that is either limited or unlimited.
Basics. Air scrubbers remove pollutants from air or smokestacks. Industrial scrubbers are divided into two categories, wet scrubbers and dry scrubbers.Both act in the smokestack and often use limestone, which chemically is a base, as a key ingredient because it reacts with sulfur dioxide and other acidic pollutants.asics. Air scrubbers remove pollutants from air or smokestacks. Industrial scrubbers are divided into two categories, wet scrubbers and dry scrubbers.
How an HVAC air conditioner works. 1  Warm air from the room is sucked in through a grille at the base of the machine. 2  The air flows over some chiller pipes through which a coolant fluid is circulating. This part of the machine works just like the chiller cabinet in a refrigerator.