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.
1 An ionic air purifier is able to remove very fine particles in the air, even from several feet away, but it does not work on odors or kill germs. 2  Ultraviolet light air purifiers. 3  The Ultraviolet light air purifier sterilizes micro-organisms as they pass through, including viruses, germs, bacteria and mold. A carbon air filter contains small pores that are very absorbent and chemically react to particles as they pass through and the odors and particles attach to the carbon. 2  This particular air purifier does not work against allergens or micro-organisms. 3  Ionic air purifiers.