STUDY ON TREATMENT OF NITROGEN WASTE WATER USING BIOLOGICAL CONTACT OXIDATION FLUIDIZED BED

 In Frontiers in Manufacturing Engineering (FME)

ABSTRACT

 

STUDY ON TREATMENT OF NITROGEN WASTE WATER USING BIOLOGICAL CONTACT OXIDATION FLUIDIZED BED

Journal: Frontiers in Manufacturing Engineering (FME)
Author: Quanmin Bu, Weining Cai, Xing Tong

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

DOI: 10.26480/fme.01.2017.06.10

In order to improve the denitrification effect of treatment of nitrogen waste water using biological contact oxidation fluidized bed, the feasibility, method and effect of simulated wastewater experimental study using biological contact oxidation fluidized bed under natural temperature is explored. The experimental results show that: ammonia nitrogen is oxidized to nitrate through catalysis of two independent bacteria; the suitable reaction temperature is 20~35℃; nitrite bacteria’s optimum PH value is 7~8.5, nitrate bacteria’s PH value is 6~7.5 ; better nitrification effect can be realized with proportion between nitrite bacteria and nitrate bacteria dissolved oxygen of more than 0.5mg/l. filler particle size should be over 10 mm to enhance removal efficiency of ammonia nitrogen ; Intermittent feeding mode makes activated sludge have good settlement, and can offer good environmental conditions for removal of ammonia nitrogen.

[space size=”50″]
Pages 06-10
Year 2016
Issue 1
Volume 1
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