MATEC Web Conf.
Volume 112, 201721st Innovative Manufacturing Engineering & Energy International Conference – IManE&E 2017
|Number of page(s)||6|
|Section||Energy (Smart Grids, Energy efficiency in buildings, Energy systems and energy management, Energy policies, Environmental technologies and studies, Renewable energy technologies and energy saving materials)|
|Published online||03 July 2017|
Peculiarities of clarifiers’ reconstruction at waste water treatment plants
1 Moscow State University of Civil Engineering (MSUCE), Yaroslavskoye Shosse, 26, Moscow, 12933, Russia
2 Vologda State University (VSU), Lenina Street., 15, Vologda, 160000, Russia
* Corresponding author: firstname.lastname@example.org
The article reveals the ways in which the reconstruction of clarifiers for wastewater treatment plant can be performed. One of the most common method is bioflocculation that means use of corresponding properties of excess activated sludge or biofilm, which both have in its composition so called extracellular biopolymers that determine the spatial structuring and bioflocculation of cell formations. Multiple researches showed that use of surplus sludge as bioflocculant provides increased efficiency of sedimentation in any waste water up to 85–90% and reduce biochemical oxygen demand (BOD) in the clarified water by 40–50%. The other method to be implemented for reconstruction of clarifying facilities is thin-layer modules to raise the efficiency of settling. Thin-layer modules can be used in a wide range of capacity of sewage works. The possibility of application depends on the structural size and condition of building structures, the amount of suspended solids and other parameters.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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