2020
DOI: 10.3390/w12082234
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Nitrogen Removal for Liquid-Ammonia Mercerization Wastewater via Partial Nitritation/Anammox Based on Zeolite Sequencing Batch Reactor

Abstract: Liquid-ammonia mercerization is commonly used to enhance the quality of cotton fabric in the textile industry, resulting in a large amount of liquid-ammonia mercerization wastewater (LMWW) containing high concentration of ammonia to be disposed of. This study proposes a partial nitritation/anammox (PN/A) process based on stable nitritation by a zeolite sequencing batch reactor (ZSBR) for the nitrogen removal of LMWW. The ZSBR could quickly achieve stably full nitritation with a nitrite accumulation ratio highe… Show more

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Cited by 6 publications
(2 citation statements)
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References 30 publications
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“…The matrix was a zeolite with an average particle size of 9-12 mm. The use of zeolite as the filling material of the matrix dam was due to its well-developed pore structure, large specific surface area, and stable physical and chemical properties [24][25][26][27].…”
Section: Design and Location Of The Matrix Dammentioning
confidence: 99%
“…The matrix was a zeolite with an average particle size of 9-12 mm. The use of zeolite as the filling material of the matrix dam was due to its well-developed pore structure, large specific surface area, and stable physical and chemical properties [24][25][26][27].…”
Section: Design and Location Of The Matrix Dammentioning
confidence: 99%
“…Visigalli et al, 2021 [4] stated that the concentration of ammonia contained in wastewater from the DTP process reached 100 mg/L. In the mercerization process for cotton yarn, the use of urea is much higher so that the wastewater can contain 1500 to 3000 mg/L of ammonia [5].…”
Section: Introductionmentioning
confidence: 99%