Science popularization of DTRO and STRO membrane processes (4)
DTRO (Disc Tube Reverse Osmosis) and STRO (Spiral Tube Reverse Osmosis) are essentially reverse osmosis technologies, but their differences in membrane structure and working principle result in significant differences in their structural characteristics and application fields. Understanding these differences and mastering their applications can help us choose appropriate processes, efficiently and effectively carry out membrane separation processes, in order to achieve our expected goals.
In the following, we will make a brief comparison or introduction from several aspects, including membrane structure, working principle, membrane characteristics, application fields, and common process packages.
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4. DTRO and STRO Membrane Process Flow for reference
①Two stage DTRO process flow for landfill leachate
The two-stage DTRO process for leachate is currently the preferred treatment process for most landfills and incineration plants in the industry. It has stable water production quality and can achieve a recovery rate of over 70% for leachate, as follows:
②Landfill leachate 3.0 process package (TUF+DTRO+DTRO)
The 3.0 process package for landfill leachate incineration plant can achieve a recovery rate of over 85%, as follows:
③Industrial wastewater zero discharge process package (TSD Industrial Wastewater Zero Discharge Integrated Process)
The zero discharge process package for industrial wastewater can achieve a recovery rate of over 90%, as follows:
The end.
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