Abstraction of nitrates and phosphates from water by sawdust- and rice husk-derived biochars: Their potential as N- and P-loaded fertilizer for plant productivity in nutrient deficient soil

Fatima, Iqra; Ahmad, Muzamil; Vithanage, Meththika; Iqbal, Sajid

doi:10.1016/j.jaap.2021.105073

Cited by 26 publications

(13 citation statements)

References 40 publications

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“…Several authors have discussed the potential role of base functional groups for NO − 3 sorption. Higher pyrolysis temperatures promote the formation of base functional groups to which NO − 3 is chemically sorbed (Al-Wabel et al 2013;Fatima et al 2021;Kameyama et al 2012). However, in Fourier-transform infrared spectra of various biochar samples, Yang et al (2017) could not observe obvious base functional groups.…”

Section: No − 3 -N Sorption On Biocharmentioning

confidence: 94%

“…With production temperatures up to 550 °C, no significant NO − 3 sorption on low-temperature biochars could be detected (e.g., Alling et al 2014;Hale et al 2013;Hollister et al 2013;Paramashivam et al 2016). In contrast, regardless of feedstock, many studies reported NO − 3 sorption on high-temperature biochars above 500 °C (e.g., Chintala et al 2013;Fatima et al 2021;Fidel et al 2018;Pratiwi et al 2016;Yang et al 2017;Zheng et al 2013). Maximum q max values in these studies were 533.5 mg kg −1 for biochar produced from giant reed at 600 °C (Zheng et al 2013) and 785 mg kg −1 for biochar produced from lignin biomass component at 700 °C (Yang et al 2017).…”

Section: No − 3 -N Sorption On Biocharmentioning

confidence: 99%

“…Moreover, pyrolysis conditions determine the potential of the biochar to retain NH + 4 and NO − 3 . However, sorption of NH + 4 decreases with increasing production temperatures of biochar (Gai et al 2014;Takaya et al 2016), whereas NO − 3 sorption increases with higher temperatures (Fatima et al 2021;Yao et al 2012;Zheng et al 2013). The literature, however, is not consistent since other studies report no sorption for NH + 4 (Alling et al 2014) and no sorption or even release of NO −…”

Section: Introductionmentioning

confidence: 96%

“…Various studies have proved the potential of biochars to retain nutrients in the soil. Most of them focused on the inorganic forms of nitrogen (N); ammonium ( NH + 4 ) and nitrate ( NO − 3 ) sorption were, for instance, reported by Aghoghovwia et al (2020), Fatima et al (2021), Kameyama et al (2012), and Pratiwi et al (2016). Moreover, pyrolysis conditions determine the potential of the biochar to retain NH + 4 and NO − 3 .…”

Section: Introductionmentioning

confidence: 99%

“…For phosphate ( PO 3− 4 ), several studies revealed sorption to biochar (Rashmi et al 2020;Takaya et al 2016;Wang et al 2021), but different factors were assumed to be responsible for PO 3− 4 sorption. For example, biochar feedstock (Gronwald et al 2015), soil acidity (Ghodszad et al 2022), or higher process temperature (Trazzi et al 2016;Zhang et al 2016) were hypothesised as main factors controlling sorption, while Fatima et al (2021) and Morales et al (2013) reported more PO 3− 4 sorption by biochars produced with lower temperatures. However, Alling et al (2014) and Schneider and Haderlein (2016) found only weak PO 3− 4 sorption, while other studies reported none at all (Morales et al 2021;Yao et al 2012;Zheng et al 2013).…”

Section: Introductionmentioning

confidence: 99%

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Amending a tropical Arenosol: increasing shares of biochar and clay improve the nutrient sorption capacity

Beusch

Melzer

Cierjacks

et al. 2022

Biochar

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Tropical Arenosols may be challenging for agricultural use, particularly in semi-arid regions. The aim of this study was to evaluate the impact of the addition of increasing shares of biochar and clay on the nutrient sorption capacity of a tropical Arenosol. In batch equilibrium experiments, the sorption of ammonium-N ($$\hbox {NH}_{4}^{+}{\text{-N}}$$ NH 4 + -N ), nitrate-N ($$\text {NO}_{3}^{-}{\text{-N}}$$ NO 3 - -N ), potassium ($$\text {K}^{+}$$ K + ), and phosphate-P ($$\text {PO}_{4}^{3-}{\text{-P}}$$ PO 4 3 - -P ) was quantified for mixtures of an Arenosol with increasing shares of biochar and clay (1%, 2.5%, 5%, 10%, 100%) and the unmixed Arenosol, biochar, and clay. The mid-temperature biochar was produced from Prosopis juliflora feedstock; the clayey material was taken from the sedimentary parent material of a temporarily dry lake. Only the Arenosol–biochar mixture with 10% biochar addition and the biochar increased the $$\text {NH}_{4}^{+}{\text{-N}}$$ NH 4 + -N maximum sorption capacity ($$q_{max}$$ q max ) of the Arenosol, by 34% and 130%, respectively. The $$q_{max}$$ q max of $$\text {PO}_{4}^{3-}{\text{-P}}$$ PO 4 3 - -P slightly increased with ascending biochar shares (1–10%) by 14%, 30%, 26%, and 42%, whereas the undiluted biochar released $$\text {PO}_{4}^{3-}{\text{-P}}$$ PO 4 3 - -P . Biochar addition slightly reduced $$\text {NO}_{3}^{-}{\text{-N}}$$ NO 3 - -N release from the Arenosol but strongly induced $$\text {K}^{+}$$ K + release. On the other hand, clay addition of 10% and clay itself augmented $$q_{max}$$ q max of $$\text {NH}_{4}^{+}{\text{-N}}$$ NH 4 + -N by 30% and 162%; ascending clay rates (1–100%) increased $$q_{max}$$ q max for $$\text {PO}_{4}^{3-}{\text{-P}}$$ PO 4 3 - -P by 78%, 130%, 180%, 268%, and 712%. Clay rates above 5% improved $$\text {K}^{+}$$ K + sorption; however, no $$q_{max}$$ q max values could be derived. Sorption of $$\text {NO}_{3}^{-}{\text{-N}}$$ NO 3 - -N remained unaffected by clay amendment. Overall, clay addition proved to enhance the nutrient sorption capacity of the Arenosol more effectively than biochar; nonetheless, both materials may be promising amendments to meliorate sandy soils for agricultural use in the semi-arid tropics.

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