Biochar-based fertilizers from co-pyrolysis of algae and hazelnut shell with triple superphosphate : Physicochemical properties and slow release performance

Phosphorus (P) is a vital nutrient for plant growth and food production. Excessive amounts of P fertilizers to a greater extent of crop P offtake are inevitably applied due to low utilization efficiency, causing environmental pollution. This study aimed to evaluate biochar-based fertilizers (BBFs) p...

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Veröffentlicht in:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA. - 1991. - (2024) vom: 09. Okt., Seite 734242X241287738
1. Verfasser: Esmaeili, Nazanin (VerfasserIn)
Weitere Verfasser: Khalili Rad, Maryam, Fazeli Sangani, Mahmood, Ghorbanzadeh, Nasrin
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
Schlagworte:Journal Article Algae Elovich equation biochar-based fertilizers co-pyrolysis hazelnut shell kinetic phosphorus fertilizers slow-release performance
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520 |a Phosphorus (P) is a vital nutrient for plant growth and food production. Excessive amounts of P fertilizers to a greater extent of crop P offtake are inevitably applied due to low utilization efficiency, causing environmental pollution. This study aimed to evaluate biochar-based fertilizers (BBFs) produced by co-pyrolyzing algae (A) and hazelnut shell (H) biomasses with triple superphosphate (TSP) at a ratio of 4:1 (w/w). The potential of the slow-release performance of BBFs was studied during kinetics experiments. The co-pyrolysis of biomasses with TSP yielded BBFs with significantly different properties, including electrical conductivity, pH, elemental ratios, functional groups, specific surface area and pore size characteristics. Phosphorus release from all biochars and BBFs followed the Elovich model, except for TSP and H+TSP. Kinetic studies revealed prolonged P-release times and slower release rates for BBFs compared to conventional TSP. So that, TSP released 100% of the total P, whereas H+TSP and A+TSP biochars released only 3.14% and 5.14% of the total P, respectively, during a 240-hour experiment. The slow-release performance of BBFs suggests their potential as promising alternatives to conventional phosphate fertilizers. BBFs have the potential to enhance P utilization efficiency, increase crop yield and mitigate the environmental impact of P fertilizer runoff 
650 4 |a Journal Article 
650 4 |a Algae 
650 4 |a Elovich equation 
650 4 |a biochar-based fertilizers 
650 4 |a co-pyrolysis 
650 4 |a hazelnut shell 
650 4 |a kinetic 
650 4 |a phosphorus fertilizers 
650 4 |a slow-release performance 
700 1 |a Khalili Rad, Maryam  |e verfasserin  |4 aut 
700 1 |a Fazeli Sangani, Mahmood  |e verfasserin  |4 aut 
700 1 |a Ghorbanzadeh, Nasrin  |e verfasserin  |4 aut 
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