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How to solve the problem that the total nitrogen in the effluent exceeds the standard?

Total nitrogen capacity, generally calculated in milligrams of nitrogen per liter of water, is usually used to indicate the degree of water pollution by nutrients. Excessive total nitrogen content in sewage will cause algal blooms, and environmental protection has been treating industrial production and development of total nitrogen exceeding the standard.


Total nitrogen emission standard


The total nitrogen concentration emission standard level B requires 20mg/L, and level A is 15mg/L. According to the Beijing Municipal Comprehensive Pollutant Emission Standard, the total nitrogen emission of Class B is less than 15mg/L, and the total nitrogen emission of Class A is less than 10mg/L.


How to solve the problem that the total nitrogen in the effluent exceeds the standard


Total nitrogen can be treated by ion exchange, membrane permeation, adsorption and biological denitrification. When the total nitrogen cannot be reduced to the emission standard, the water treatment personnel will use nitrogen removal bacteria at this stage.

Nitrogen-removing strains are prepared from bacteria selected from nature and formulated with a unique "bacteria + enzyme" treatment technology.


Characteristics of Nitrogen Removing Bacteria


1. It has the effect of absorbing and degrading total nitrogen, has a strong treatment efficiency for nitrate and nitrite, improves denitrification efficiency, and maintains the long-term stability of system nitrification;
2. It is beneficial for other microorganisms to better adapt to the wastewater environment and stably remove nitrogen.
3. Quickly recover from the chaotic state of denitrification caused by shock loads and sudden factors.
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