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Experiment report

Frequently Asked Questions

Knowledgebase

Blog

Experiment report

Frequently Asked Questions

May 15,2024

What pretreatment is required for membrane distillation water?

The operation process of membrane distillation uses hydrophobic porous membrane materials as the evaporation interface. The evaporation interface must continue to maintain strong hydrophobicity. Therefore, during the operation process, the membrane material should be kept as free from contamination as possible. To maintain a well-maintained membrane distillation operation, the pretreatment of the feed is one of the very important operations. The feed conditions for membrane distillation are as follows:

May 15,2024

How does the ammonia removal membrane/nitrogen removal membrane work?

SCI-NANO PTFE ammonia removal membrane/nitrogen removal membrane module is used to remove ammonia nitrogen.

May 14,2024

The membrane deamination process should be controlled at 40°C、What is the highest temperature it can withstand? What will happen at low temperatures?

the maximum temperature of the deamination system should generally not exceed 55℃.

May 14,2024

A system that can be separated by membrane distillation process？

The core essence of membrane distillation is a high-efficiency single-stage low-temperature evaporation separation process. Therefore, this technology is very suitable for industrial scenarios with limited space and waste heat.

May 13,2024

What is the maximum concentration of ammonium sulfate? How to proceed?

The concentration that ammonium sulfate can achieve is related to the ammonia nitrogen content and emission requirements. We have a calculation book to calculate it. According to our experience, about 1000mg of ammonia nitrogen can roughly achieve 8-10% ammonium sulfate, about 2000mg of ammonia nitrogen can roughly achieve 15-20% of ammonium sulfate, and 3000mg can roughly achieve 20-25%;

May 11,2024

What is membrane distillation？

The SCI-NANO membrane distillation component uses PTFE hollow fiber membrane filaments with strong hydrophobicity, high melting point, stable chemical properties and corrosion resistance. It uses the steam pressure difference on both sides of the membrane as the mass transfer driving force to efficiently remove volatile substances in aqueous solutions. It can be used Distillation desalination of water and removal of volatile substances from aqueous solutions.

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