What is the sludge capillary water absorption experiment?
1. Requirements of the experiment
Further deepen understanding of the concept of CST and evaluate sludge dewatering performance.
2, the experimental content
The sludge sample to be tested is put into the mud sample container as required, and the capillary water absorption time (CST) of the sludge is measured.
3. Main experimental equipment
CST measuring instrument, mud sample container, water filter paper, timer, etc.
The experiment is to determine the content of capillary water in the sludge to understand the dewatering performance of the sludge.
According to the different state of existence, sludge water can be divided into four types: free water, flocculent water, capillary water, and particulate water.
There are many kinds of sludge in the sewage treatment plant, and the nature of the sludge changes greatly. According to its process, a sewage treatment plant may produce mud of various properties such as primary sludge, residual sludge, digested sludge, and mixed sludge. Due to the influent water quality, process flow, operating conditions and sludge composition of each plant, the dewatering performance of each plant sludge has its own characteristics. The chemical pretreatment effect before sludge dewatering depends mainly on two factors: the nature of the sludge and the agent.
The foreword is outwardly infiltrated by capillary action, and the area of ​​the wet filter paper has many types of sludge, and the nature of the sludge changes more and more. So we are bigger at two circles with a radius of 1cm. According to its process, a sewage treatment plant may arrange electrodes on the production week, and transfer the signal of water infiltration to the signal of the younger generation, the primary sludge, the residual sludge, and the digested sludge.
What is the full name of CST?
If it is a chemical problem, it should be the answer.
Sludge capillary water absorption time, used to measure sludge dewatering performance. There are two indicators for measuring the dewatering performance of sludge: one is the specific resistance of the sludge, and the other is the capillary water absorption time (CST) of the sludge.
The time required to penetrate a 1cm distance on the filter paper, commonly used CST
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