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Ultrafine powder concentration and recovery
Release time:
2022-05-19 19:47
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Technical Introduction
Solid–liquid separation in particle suspensions is a common unit operation in chemical engineering, encompassing the purification of raw materials and products, the recovery of valuable ultrafine particles from wastewater, and the separation of fine particulate catalysts from feedstocks or products.
Due to the small particle size of powders, their washing and separation pose significant challenges for industrial-scale production. Ceramic membrane technology enables the retention, washing, and concentration of nanoscale powders, substantially enhancing product stability and yield.
Process Flow Diagram
The application process of membrane technology in powder washing and concentration is illustrated in the figure below:
Project Showcase
The technical specifications and economic benefits achieved by using ceramic membrane technology for the concentration and recovery of powders are shown in the following table:
| Project |
Technical indicators |
| Processing capacity |
2t/h |
| Produced water turbidity |
<1 NTU |
| Concentration factor |
10 |
| Cost savings |
1 million yuan per year |
The research institution approved by Nanjing is also an independent legal entity of the first professional research institute of Jiangsu Industrial Technology Research Institute Membrane Science and Technology Research Institute, which is positioned as the organizer of membrane material industry cultivation.
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