international and extensive application in live the dirty water to is dirty to manage aqueously with the industry llj Current application than oxidize extensively the ditch ty pe include: The( Pasveer)oxidizes the ditch, the( Carrousel) oxidizes the ditch,( Orbal) oxidizes the ditch the type of t oxidizes the ditch( three ditch types oxidize the ditch), the type of dE oXidizes the ditch to turn to oxidize the ditch with the integral whole. These oxidize the ditch because of the difference of esse in construction with circulating therefore each characteristics 2. This text will introduce construction, mechanism, existent problem and its latest developments that Carrousel oxidize ditches primarily. 2. The carrousel oxidizes the construction of the ditch The carrousel oxidize the ditch to be researched to manufacture by dutch dHv company development in 1967.Oxidize the last the company of dHV in foundation of the ditch in the original carrousel to permited specially the company EiMco to invent again with its patent in the United States Carrousel 2000 system( see the figure ) realizes the living creature of the higher request takes off the nitrogen with div ided by the function of. There has been in the world up to now more than 850 Carrousels oxidize the ditch with the carrousel 2000 system are circulating From diagram therefore the carrousel oxidizes the ditch the usage the spirit of that definite direction control with shake up the device face to mix with the liquid deliver the level speed, from but make drive the liquid of admixture that shake up is in oxidize ditch shut match outlet circulate flow Therefore oxidize the ditch have the special hydraulics flows the, current complete mix with the characteristics of the type reactor, have the characteristics that push the flow type reactor again, the ditch inside exsits obviously of deliquescence oxygen density steps degree. Oxidizing the ditch crossinternational and extensive application in live the dirty water to is dirty to manage aqueously with the industry[1] . Current application than oxidize extensively the ditch type include:The ( Pasveer) oxidizes the ditch, the ( Carrousel) oxidizes the ditch, ( Orbal) oxidizes the ditch, the type of T oxidizes the ditch( three ditch types oxidize the ditch), the type of DE oxidizes the ditch to turn to oxidize the ditch with the integral whole.These oxidize the ditch because of the difference of esse in construction with circulating, therefore each characteristics[2].This text will introduce construction, mechanism, existent problem and its latest developments that Carrousel oxidize ditches primarily. 2. The Carrousel oxidizes the construction of the ditch The Carrousel oxidize the ditch to be researched to manufacture by Dutch DHV company development in 1967.Oxidize the last the company of DHV in foundation of the ditch in the original Carrousel to permited specially the company EIMCO to invent again with its patent in the United States Carrousel 2000 system( see the figure ), realizes the living creature of the higher request takes off the nitrogen with divided by the function of .There has been in the world up to now more than 850 Carrousels oxidize the ditch with the Carrousel 2000 system are circulating[3] . From diagram therefore, the Carrousel oxidizes the ditch the usage the spirit of that definite direction control with shake up the device, face to mix with the liquid deliver the level speed, from but make drive the liquid of admixture that shake up is in oxidize ditch shut match outlet circulate flow.Therefore oxidize the ditch have the special hydraulics flows the , current complete mix with the characteristics of the type reactor, have the characteristics that push the flow type reactor again, the ditch inside exsits obviously of deliquescence oxygen density steps degree.Oxidizing the ditch cross