Sludge treatment refers to the ultimate disposal of sludge after reducing water content or removing organic impurities and killing pathogens. In addition to the comprehensive utilization meeting the s···
2021-12-03
A large amount of sludge will be produced in the process of chemical production. The sludge is composed of non degradable substances in sewage treatment and dust produced in the production. With the i···
2021-12-03
1. Preface The centrifuges are widely used in chemical, petroleum, wine making, pharmaceutical, mineral processing, coal, water treatment and shipping. According to the working principle, there a···
2021-12-03
As early as 1877, there was a report that “a drum that could be rotated, after the drum had been rotated for a certain period of time, the fresh cream floats on the surface and then was scraped off”···
2021-12-03
Due to the inferior nature of crude oil treatment in refineries in China, especially the refining of heavy oil and high acid crude oil, the quality of sewage is deteriorated. Meanwhile, the amount of ···
2021-12-03
1. Principle of centrifuge Centrifugal separation is the separation of liquid heterogeneous mixture by inertial centrifugal force. The settling speed is directly proportional to the square o···
2021-12-03
In the traditional Chinese production of condiments, especially soy sauce and vinegar, the most important process step besides fermentation is to separate the different liquid and solid substances fro···
2021-12-03
1. Introduction The sludge generated in the process of municipal sewage treatment has the characteristics of large output, high moisture content, special smell, perishability and so on. How to op···
2021-12-03
80% of the total aquatic products are used by human beings, and the rest 20% can not be directly used, such as the fish head, fish bone and fish skin separated from the processing stage. Some of them ···
2021-12-03
In the municipal sewage treatment, in order to avoid secondary pollution caused by sewage sludge, sludge treatment and disposal has become a very important part. With the continuous improvement of mun···
2021-12-03
