Nitrobacteria culture promoter

Abstract

The nitrobacteria culture promoter consists of molasses 100 weight portions, ferrous salt 0.2-2.5 weight portions and adsorbent 1-8 weight portions. The ferrous salt includes is sulfate or hydrochloride. The adsorbent is zeolite powder, diatomite, powdered active carbon, fly ash or their mixture. The nitrobacteria culture promoter is used in biological nitrification process of eliminating ammonia nitrogen and thrown into sewage directly to promote the propagation and growth of nitrobacteria in sewage. Through combination with sewage temperature regulation, dissolving oxygen, regulating pH, etc, the nitrification may be completed in short period. It has raised ammonia nitrogen eliminating rate and low cost.

Description

technical field [0001] The invention relates to a nitrifying bacteria cultivation accelerator used for removing ammonia nitrogen in sewage by a biological method. Background technique [0002] Ammonia nitrogen is the most harmful pollution factor in water bodies. It will lead to eutrophication of rivers and lakes and weaken the self-purification ability of water bodies. Ammonia nitrogen in polluted water usually refers to nitrogen existing in the form of ammonia. Compared with other organic pollutants, it is much more difficult to remove ammonia nitrogen in polluted water. In the prior art, the removal methods of ammonia nitrogen in polluted water mainly include physical, chemical and biological methods. Physical or chemical methods include air stripping method, break point chlorination method, ion exchange adsorption method, flocculation precipitation method, electrodialysis method, catalytic wet oxidation method, liquid membrane method, etc. These methods are generally u...

AI Technical Summary

Problems solved by technology

The introduction of nitrifying bacteria from the outside can indeed ensure the smooth progress of the nitrification process in a relatively short period of time, but the operation and management are very inconvenient and the cost is relatively high, and the applicability of this method is not wide, such as for discharge It is not very suitable for large amount of industrial sewage treatment