Industrial wastewater deamination
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  • Industrial wastewater deamination

Industrial wastewater deamination

The purification of high ammonia nitrogen wastewater has always been a worldwide problem. Ammonia nitrogen wastewater comes from many sources and has large emissions, such as petroleum, chemical industry, pharmaceuticals, fertilizers, smelting, food, coking, landfills, etc., which can produce large amounts of high-concentration ammonia nitrogen wastewater. Direct discharge of ammonia nitrogen wastewater into water bodies will cause nutrient formation, black and odorous water bodies, increase the difficulty and cost of sewage treatment, and even cause toxicity to people and organisms. Therefore, effectively treating high ammonia nitrogen wastewater is a major problem in environmental protection and green and high-quality development.

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Industrial wastewater deamination

The purification of high ammonia nitrogen wastewater has always been a worldwide problem. Ammonia nitrogen wastewater comes from many sources and has large emissions, such as petroleum, chemical industry, pharmaceuticals, fertilizers, smelting, food, coking, landfills, etc., which can produce large amounts of high-concentration ammonia nitrogen wastewater. Direct discharge of ammonia nitrogen wastewater into water bodies will cause nutrient formation, black and odorous water bodies, increase the difficulty and cost of sewage treatment, and even cause toxicity to people and organisms. Therefore, effectively treating high ammonia nitrogen wastewater is a major problem in environmental protection and green and high-quality development.

In order to solve the problem of treating high-concentration ammonia nitrogen wastewater, Sci-Nano developed a deamination technology with PTFE deamination membrane as the core. The Sci-Nano PTFE deamination process is a new technology that combines absorption and membrane separation. The emergence of this technology can well solve the weaknesses of the traditional process. The principle of PTFE membrane deamination technology is similar to stripping. First, the pH of the wastewater is adjusted to turn most of the ammonia into free ammonia. At the same time, sulfuric acid is used as an absorbent to absorb the ammonia freed from the wastewater to achieve deamination. However, compared with the traditional stripping method, PTFE membrane deamination microscopically integrates the stripping tower and the absorption tower, so it is more compact in appearance; PTFE membrane deamination stripping and absorption are performed at the same time, and the PTFE deamination membrane is relatively more tightly sealed , and there is no need to blow air in. Compared with blowing off, there is no secondary pollution. PTFE membrane deamination is carried out at low pressure, without the need for power-consuming equipment such as blowers, and the energy saving is more obvious than traditional blowing off. The Sci-Nano deamination membrane process can ensure that the system's effluent ammonia nitrogen is qualified, the amount of ammonium sulfate is stable, the concentration is high, and it has the characteristics of high deamination efficiency, no secondary pollution, small footprint, low investment cost, and low equipment operation.

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