In the pharmaceutical industry, the raw materials and processes used are diverse. It is precisely for this reason that the quality of wastewater is rather complex. So, in pharmaceutical factories, which indicators of wastewater are prone to exceed the standard? This article will provide a brief understanding.

let’s Understand What Types of Pharmaceutical Wastewater there are?

1.Wastewater generated in the production of antibiotics;

2.Wastewater from the synthesis of drugs;

3.Wastewater generated from the production of Chinese patent medicines;

4.Washing water and wastewater generated from rinsing in different formulation production processes;

There are three Parameters that are Prone to Exceed the Standard in Pharmaceutical Wastewater:

1.The COD indicator exceeding the standard is caused by organic raw materials used in the pharmaceutical manufacturing process.

2.Ammonia nitrogen: Some fermentation raw materials and the like can easily cause severe ammonia nitrogen over-limit during the pharmaceutical manufacturing process.

3.Total phosphorus: When processing some special raw materials, there may be a situation where the total phosphorus exceeds the standard.

How did you know that the above three indicators were seriously over the limit? In fact, it’s quite simple. You can use a water quality detector to test the indicators in sewage. However, it’s important to note that different indicators require different instruments! As for the instruments used in the above three types respectively, they are: COD-8000 – COD online analyzer, ammonia nitrogen online monitor, TP-8000 – total phosphorus online analyzer.

How Should these Sewage be Dealt With?

At present, biochemical treatment technology is a common method for wastewater treatment in pharmaceutical factories. However, due to the poor biodegradability of the sewage, it is difficult to directly undergo biochemical treatment to meet the standards. Generally, it is used as pretreatment. However, directly adding chemical agents to pharmaceutical wastewater for treatment is not regarded as a good method! Of course, the amount of chemical agents needed must be controlled!