Sep 12, 2014
1. Transportation of Water SamplesContainers containing water samples must be properly protected and sealed, and secured within a packaging box to prevent damage during transportation. Strict requirem...
Sep 12, 2014
One reality is that statistics from 500 cities nationwide show an average urban sewage treatment rate of only 32.33%, with 193 cities having a zero centralized sewage treatment rate.One goal is clear:...
Sep 12, 2014
RO (Reverse Osmosis) water purifiers originated from American aerospace technology and were introduced to my country in the 1990s. Reverse osmosis is a membrane separation technology that uses a rever...
Sep 12, 2014
1. Subject Matter and ScopeThis standard specifies two methods for determining color. This standard measures the color of a sample after 15 minutes of clarification. pH value has a significant impact ...
Sep 12, 2014
Based on the method of ozone generation, there are currently three main types of ozone generators: high-voltage discharge type, ultraviolet irradiation type, and electrolysis type.High-voltage dischar...
Sep 12, 2014
The pollution caused by nitrogen-containing wastewater discharged during industrial production, nitrogen fertilizers applied in agriculture washed into rivers and lakes by rainwater, and domestic sewa...
Sep 12, 2014
1. Subject Matter and ScopeThis standard specifies two methods for color determination. This standard measures the color of a sample after 15 minutes of clarification. pH value has a significant impac...
Sep 12, 2014
Chemical scale prevention mainly involves ion exchange, chemical dosing, or staged acid washing. These chemical methods are widely used in boiler water treatment and industrial water treatment, and ha...
Sep 12, 2014
Ion exchange water treatment technology has undergone over a century of development and has become the dominant water treatment method in softening and desalination. The advantage of this method is th...
Sep 12, 2014
The electrodialyzer uses the selective permeability of the ion exchange membrane to work. The main component of the electrodialyzer is the ion exchange membrane. Divided into positive film and negativ...
