Biochar as composite of phosphate fertilizer: Characterization and agronomic effectiveness

Pogorzelski, Denison; Filho, José Ferreira Lustosa; Matias, Patrícia Cardoso; Santos, Wedisson Oliveira; Vergütz, Leonardus; Melo, Leônidas Carrijo Azevedo

doi:10.1016/j.scitotenv.2020.140604

Cited by 31 publications

(12 citation statements)

References 67 publications

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“…The relatively lower heavy metal contents found in the BP group might be attributed to its porous structure with a high adsorption capacity for heavy metals (Ahmad et al, 2014;M et al, 2014). In particular, the Al content of the BP group was the lowest because the organic compounds of BP can decrease the Al content (Pogorzelski et al, 2020). Although these three kinds of RPFs contained higher contents of metals, no obvious increase in the metal contents was found in their cultivated plants, such as Zn, Fe, Mg, etc.…”

Section: Accumulation Of Heavy Metalsmentioning

confidence: 94%

“…physical characteristics of the matrix by controlling water ow(Pogorzelski et al, 2020).In addition, trace elements in nutrients are known to pose a risk of potential accumulation in soils and can be transferred via the food chain (Jiao et al, 2012). Excessive concentrations of trace elements in soil or nutrient solutions are essentially toxic to living organisms and growing plants.…”

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confidence: 99%

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Critical Evaluation of the Agronomic Effectiveness of Recovered Phosphate Fertilizer Produced From Incinerated Sewage Sludge Ash

Fang

Wang

et al. 2021

Preprint

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Phosphorus (P) recovery from incinerated sewage sludge ash (ISSA) has been extensively investigated, and various recovered phosphate fertilizers (RPFs) have been produced. In this study, three RPFs (calcium phosphate compounds (CaP), struvite (SP), and P-loaded biochar (BP)) produced from ISSA were characterized and their agronomic effectiveness were verified by pot experiments with the cultivation of choy sum (Brassica campestris L. ssp. Chinensis var. utillis Tsen et Lee) and ryegrass (Lolium perenne L.). The SP has the highest P purity while the BP has the most complex P species. And the plant growth results showed that the RPFs greatly facilitated plant growth and demonstrated superior/comparable effects to those of MP/CoF. In general, choy sum fertilized with SP showed the best effect due to the Mg involved and the high P purity of SP, while ryegrass fertilized with BP performed the best among all of the groups because of the additional nutritional elements and the high P availability of BP. Additionally, the accumulation of heavy metals in the plants under all conditions did not exceed the limits stipulated in the regulations. These results indicate that recovering P from ISSA is an attractive technology to produce P fertilizers, which can alleviate both the scarcity of phosphate resources and the burden of ISSA management.

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Section: Accumulation Of Heavy Metalsmentioning

confidence: 94%

mentioning

confidence: 99%

Critical Evaluation of the Agronomic Effectiveness of Recovered Phosphate Fertilizer Produced From Incinerated Sewage Sludge Ash

Fang

Wang

et al. 2021

Preprint

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“…Improvement of soil physical properties is carried out because organic fertilizers increase soil humus thereby increasing soil aggregate stability and water retention. The effects of organic fertilizers on soil chemical properties include providing macro and micro nutrients, increasing of soil cations [32,33] and anions, reducing P uptake by soil [22,34], and reducing risks of N losses in acid soil [35]. Fertilization effectiveness can be increased through the application of organic fertilizers, inorganic fertilizers, or a combination of both.…”

Section: Rae On the Combination Of Inorganic And Organic Fertilizersmentioning

confidence: 99%

Implementation of Rice and Maize Cultivation Technology Based on Agronomic Effectiveness

Yustisia¹,

Riyanto²,

Thamrin³

et al. 2021

E3S Web Conf.

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The existing land characteristics and inappropriate management during intensive agricultural practice on upland, swampland, and paddy field are the factors that causing land productivity to be low and decreasing. Alternative efforts to increase the land, rice, and maize productivities could be carried out through the implementation of Site- Specific Nutrient Management technology based on the RAE parameter. This paper presents thoughts on the opportunities for refocusing RAE- based research on agricultural cultivation technology, and research results that have been done.The research of rice and maize with RAE in the upland and paddy field has resulted in a location-specific cultivation technology package. The technologies that have been produced are single NPK inorganic fertilizer package, the combination of single NPK- compound NPK inorganic fertilizers, the combination of single NPK inorganic fertilizer-organic fertilizer, and combination of single NPK inorganic fertilizer-biofertilizer. By using RAE value, these researches have shown a more effective technology package in comparison with standard technology. The technology devices for determining standard fertilization needed to support the research with RAE parameter as the basis are available. The said devices are Upland, Swampland, and Paddy Soil Test Kit. Refocusing research of location-specific fertilization that explicitly using RAE parameter is relevant to promote sustainable agriculture.

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“…As the world's population continues to grow, the demand for food will increase by about one third by 2050 (Fukase et al 2020). Most commercial fertilizers containing ammonia bicarbonate, calcium phosphate, potassium chloride or potassium sulfate have been successfully prepared to improve soil fertility and promote crop growth (Pogorzelski et al 2020, Lodi et al 2021). Since the raw materials of traditional fertilizers are derived from ore and are non-renewable, the development of new technologies to recover these nutrients from the environment as alternative fertilizers has attracted widespread attention (Flores et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Electrochemical crystallization for recovery of phosphorus and potassium from urine as K-struvite with a sacrificial magnesium anode

Shan

Liu

Long³

et al. 2021

Environ Chem Lett

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Declining earth resources, rising ore cost and pollution call for better recycling of wastewater in the context of the circular economy. In particular, urine is a potential huge source of phosphorus (P) and potassium (K) agricultural nutrients, yet the e ciency of actual methods for P and K recovery are limited.Here we designed a electrochemical crystallization system using sacri cial magnesium anodes to recover P and K in the form of K-struvite (MgKPO 4 •6H 2 O) from simulated urine at low (P/K=0.25) and high (P/K=0.6) phosphate levels, respectively. Results show optimal recoveries of 88.5% for P and 35.4% for K in the form of rod-shaped K-struvite at 3.5 mA/cm 2 , yet higher current density reduced recovery due to side reactions and pH increase. Adding phosphate to urine increased K recovery to 35.4% versus 15.0% without phosphate. Adding prefabricated struvite crystals at 1.6 g/L into urine enhanced the recovery of K by 14.7% and of P by 23.7% compared to the control group. Overall, our ndings show that electrochemical crystallization is promising for the recovery of K-struvite fertilizers.

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Biochar as composite of phosphate fertilizer: Characterization and agronomic effectiveness

Cited by 31 publications

References 67 publications

Critical Evaluation of the Agronomic Effectiveness of Recovered Phosphate Fertilizer Produced From Incinerated Sewage Sludge Ash

Critical Evaluation of the Agronomic Effectiveness of Recovered Phosphate Fertilizer Produced From Incinerated Sewage Sludge Ash

Implementation of Rice and Maize Cultivation Technology Based on Agronomic Effectiveness

Electrochemical crystallization for recovery of phosphorus and potassium from urine as K-struvite with a sacrificial magnesium anode

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