Phosphorus recovery from fertilizer industrial wastewaters using bittern: Influence of wastewater composition and pH on struvite formation

Le, Minh-Vien; Duy, Tran Huynh Thanh; Dang, Bao-Trong; Luan, Van Hoang; Huynh, Ngoc-Diem-Trinh; Long, Nguyen Quang; Phuong, Le Cong Nhat

doi:10.1016/j.biteb.2023.101752

Bioresource Technology Reports

2024

DOI: 10.1016/j.biteb.2023.101752

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Phosphorus recovery from fertilizer industrial wastewaters using bittern: Influence of wastewater composition and pH on struvite formation

Minh-Vien Le,

Tran Huynh Thanh Duy,

Bao-Trong Dang

et al.

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2024

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Cited by 3 publications

References 36 publications

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Ultrasound assisted bio-acid leaching of sewage sludge ash for phosphorus extraction using lemon juice: optimization and ecological risk assessment

Nazari,

Barani Motlagh,

Rastegar

et al. 2024

Clean Techn Environ Policy

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Ultrasound assisted bio-acid leaching of sewage sludge ash for phosphorus extraction using lemon juice: optimization and ecological risk assessment

Nazari,

Barani Motlagh,

Rastegar

et al. 2024

Clean Techn Environ Policy

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The Operational Performance of an Ultrafiltration Pilot Unit for the Treatment of Ultra-Concentrated Brines

Scelfo,

Serrano-Tari,

Raffaelli

et al. 2024

Membranes

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The valorization of ultra-concentrated seawater brines, named bitterns, requires preliminary purification processes, such as membrane filtration, before they can be fully exploited. This study investigates the performance of an ultrafiltration pilot plant aimed at separating organic matter and large particles from real bitterns. An empirical model for the bittern viscosity was developed to better characterize the membrane. Distinct variations in permeability, fouling resistance and rejection coefficient were observed under operational pressures ranging from 2 to 4 bar. Working at low pressure (2 bar), the pilot plant achieves permeability and rejection coefficient values of 17 L/m2hbar and 95%, respectively. Foulant behavior was characterized by determining a “fouling resistance”, obtaining an average value of 1013 m−1. Tests with three distinct bittern samples were conducted to assess the influence of chemical composition and organic matter content on membrane permeability and fouling characteristics. The collected data enabled a comprehensive characterization of the ultrafiltration pilot unit working with this particular saline feed solution, which has very high technical–economic potential.

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Utilization Potential of Waste Bittern from Sea Brine, Subsoil Brine and Backwater Brine as Fertilizer for Amaranthus Tender

Kumaresan,

Krishna Kumar,

Shanmugapriya

et al. 2024

MSF

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After common salt crystallizes in salt pans, bittern is obtained as a waste mother liquor. This investigation focused on extracting valuable chemicals from toxic and unavoidable waste, specifically bittern. Samples were collected from various sources including sea bittern, subsoil bittern, and backwater bittern. The goal was to recover by-products such as potassium chloride and glaserite using established procedures. An evaluation was conducted to determine both the amount and the level of excellence of the compounds that were retrieved. The test results clearly demonstrated that the potassium chloride and glaserite obtained from sea bittern were of superior quality compared to those extracted from subsoil and backwater bittern. The recovered fertilizers from different bittern samples were applied to promote the growth of amaranthus tender red and green color plants, respectively. The plants were treated with three different fertilizer dosages: 0 grams, 10 grams, and 20 grams. Growth features of the plants, including plant height, stem width, total number of leaves, and maximum leaf width, were measured every 15 days for a total of 45 days. The test findings showed that the potassium chloride and glaserite derived from bittern were enriched with nutrients and had a positive impact on soil fertility. The consumption of different nutrients by amaranthus plants was further confirmed through ash sample analysis. The study determined that, extracting valuable compounds from sea bittern samples resulted in greater plant growth compared to the other two bittern samples. Thus, using residual bittern as fertilizer, boosts salt workers' economies and reduces bittern's toxicity.

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Phosphorus recovery from fertilizer industrial wastewaters using bittern: Influence of wastewater composition and pH on struvite formation

Cited by 3 publications

References 36 publications

Ultrasound assisted bio-acid leaching of sewage sludge ash for phosphorus extraction using lemon juice: optimization and ecological risk assessment

Ultrasound assisted bio-acid leaching of sewage sludge ash for phosphorus extraction using lemon juice: optimization and ecological risk assessment

The Operational Performance of an Ultrafiltration Pilot Unit for the Treatment of Ultra-Concentrated Brines

Utilization Potential of Waste Bittern from Sea Brine, Subsoil Brine and Backwater Brine as Fertilizer for Amaranthus Tender

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