Iron substrate material for sewage treatment and manufacturing method thereof

Abstract

The invention discloses an iron substrate material for sewage treatment and a manufacturing method thereof. The iron substrate material comprises 90 to 900 mg of zero valent iron (50% simple substanceiron), 4 to 40 mg of a polyurethane catalyst, 2 to 20 mg of an adhesive (silicone oil), 1 to 50 mg of wood powder active carbon, and 0.1 to 60 mg of a granulated foaming agent. The provided iron substrate can fully contact with sewage under an anaerobic condition, nitrogen of water can be removed more efficiently; at the same time, the controllability is better during the operation process; and according different needs, different ratios are adopted to achieve a best processing effect.

Description

technical field [0001] The invention relates to an iron matrix material for sewage treatment, in particular to an iron matrix material for sewage treatment and a manufacturing method thereof. Background technique [0002] The concentration of nitrate nitrogen (NO3--N) in wastewater treatment plant wastewater is relatively high, and it is difficult to achieve deep removal of NO3--N by conventional biological denitrification process. In this study, iron-based highly efficient catalytic denitrification carriers were used as NO3--N removal materials in sewage, and the effects and mechanisms of different iron-based catalytic activities, pH values, and NO3--N concentrations on the removal of NO3--N in sewage were explored. . The research results show that the iron substrate with the addition of catalyst D can remove 92.23% of NO3--N, and when the sewage is adjusted from acidic to neutral conditions, the NO3--N removal rate can reach more than 92.09%. And the accumulation of ammo...

AI Technical Summary

Problems solved by technology

The concentration of nitrate nitrogen (NO3–-N) in sewage plant wastewater is high, and it is difficult to use conventional biological denitrification technology to achieve deep removal of NO3–-N