TRANSFER OKSIGEN PADA CASCADE AERATOR KOMBINASI SPRAY AERATOR
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Institusion
Universitas Pembangunan Nasional Veteran Jawa Timur
Author
AJENG , ELMARHETA YATIE
Subject
TD896 Waste management
Datestamp
2013-06-24 07:09:32
Abstract :
The purpose of aeration process are for removal methane (CH4), removal carbondioxide (CO2), removal HS2, removal odors and taste, also removal other gases. But, at the reality the purpose of aeration increase dissolved oxygen concentration in the water and equipment used is aerator. The aeration used is cascade aerator remove CO2 at least than the other aerator model. The purpose of this experiment for know large of oxygen transfer at cascade aerator combination spray aerator model. This experiment used cascade aerator are from 3 step variable cascade distance between 10 cm until 50 cm. Above the pipe cascade posted spray so that make water smooth bubbles which down in every cascade can binded more oxygen, so result of the value of oxygen transfer more higher. Beside taht, rate of flow used in this experiment also variation range 1300 ml/mn to 2200 ml/mn. Experiment result indicated that the best of DO value when height between cascade 50 cm with rate of flow 2200 ml/mn is 7,29 mg/lt and KLa (oksigen transfer) value is 0,94. Key word : cascade aerator, DO, oxygen transfer
The purpose of aeration process are for removal methane (CH4), removal carbondioxide (CO2), removal HS2, removal odors and taste, also removal other gases. But, at the reality the purpose of aeration increase dissolved oxygen concentration in the water and equipment used is aerator. The aeration used is cascade aerator remove CO2 at least than the other aerator model. The purpose of this experiment for know large of oxygen transfer at cascade aerator combination spray aerator model. This experiment used cascade aerator are from 3 step variable cascade distance between 10 cm until 50 cm. Above the pipe cascade posted spray so that make water smooth bubbles which down in every cascade can binded more oxygen, so result of the value of oxygen transfer more higher. Beside taht, rate of flow used in this experiment also variation range 1300 ml/mn to 2200 ml/mn. Experiment result indicated that the best of DO value when height between cascade 50 cm with rate of flow 2200 ml/mn is 7,29 mg/lt and KLa (oksigen transfer) value is 0,94. Key word : cascade aerator, DO, oxygen transfer
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