Effect of biochar amendment on metal mobility, phytotoxicity, soil enzymes, and metal-uptakes by wheat (Triticum aestivum) in contaminated soils

Pandey, Bhawna; Suthar, Surindra; Chand, Naveen

doi:10.1016/j.chemosphere.2022.135889

Cited by 41 publications

(20 citation statements)

References 82 publications

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“…They also deduced the longer the time of biochar in contaminated soil, the more elements were stabilized. Pandey et al 61 acknowledged the low mobility of Cr, Cd, Cu, Pb, Ni, Zn, Mg and Fe contents in soils and therefore lower PTEs uptake rates in biochar application, compared with the control treatments. Ibrahim et al 26 also concluded a significant reduction in BCF and TF of the PTEs and therefore their concentration in root and shoot on account of the application of biochar in soil and reductions in their bioavailability.…”

Section: Resultsmentioning

confidence: 99%

Effect of biological sewage sludge and its derived biochar on accumulation of potentially toxic elements by corn (Zea mays L.)

Namdari,

Soleimani,

Mirghaffari

et al. 2024

Sci Rep

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The land application of sewage sludge can cause different environmental problems due to the high content of potentially toxic elements (PTEs). The objective of this study was to compare the effect of urban biological sewage sludge (i.e. the waste of activated sludge process) and its derived biochar as the soil amendments on the bioavailability of PTEs and their bioaccumulation by corn (Zea mays L.) under two months of greenhouse conditions. The soil was treated by adding biochar samples at 0 (control), 1, 3, 5% w/w. The diethylenetriamine pentaacetic acid (DTPA)-extractable concentrations of PTEs including Zn, Pb, Cd, Cr, Ni, Fe, and Cu in soil and their accumulation by plant shoot and root were measured. Conversion of the biological sewage sludge into the biochar led to decrease the PTEs bioavailability and consequently decreased their contents in plant tissues. The DTPA extractable metal concentrations of produced biochar in comparison to the biological sewage sludge reduced 75% (Cd), 65% (Cr), 79% (Ni and Pb), 76% (Zn), 91% (Cu) and 88% (Fe). Therefore, the content of Ni, Fe, Zn and Cd in corn shoot was decreased 61, 32, 18 and 17% respectively in application of 5% biochar than of raw sewage sludge. Furthermore, the application of 5% biochar enhanced the physiological parameters of the plants including shoot dry weight (twice) and wet weight (2.25 times), stem diameter (1.70 times), chlorophyll content (1.03 times) in comparison to using 5% raw sewage sludge. The results of the study highlight that application of the biochar derived from urban biological sewage sludge in soil could decrease the risk of PTEs to the plant.

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Section: Resultsmentioning

confidence: 99%

Effect of biological sewage sludge and its derived biochar on accumulation of potentially toxic elements by corn (Zea mays L.)

Namdari,

Soleimani,

Mirghaffari

et al. 2024

Sci Rep

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“…Each treatment was repeated three times to ensure reproducibility. A total of 60 g of hydrochar soil (sieved through 10 mesh) with 1% (w/w) − was added to polyethylene pots (bottom diameter 5 cm, mouth 7.5 cm, height 6.5 cm), and 5 wheat seeds , were cultivated in the soil. The pots were then put in a greenhouse at 298 K and watered daily as needed approximately 5 m .…”

Section: Methodsmentioning

confidence: 99%

A Life Cycle Assessment of the Combined Utilization of Biomass Waste-Derived Hydrochar as a Carbon Source and Soil Remediation

Chen

Jiang

2022

ACS EST Eng.

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The conversion of waste biomass to hydrochar by hydrothermal carbonation (HTC) treatment is a promising technology for waste management, and the thorough utilization of hydrochar can reduce the environmental load. Herein, a life cycle assessment (LCA) was performed to evaluate hydrochar as a carbon source in wastewater plants (WWTPs) and subsequently soil remediation. The simulated combined utilization of hydrochar showed that Bacillus subtilis may utilize the dissolved organic matter (DOM) of hydrochar that contains many aliphatic organic substances, and the microbially treated hydrochar retains most of the nutrients for crop growth. LCA shows that hydrochar could avoid 28% of the environmental load of WWTPs in terms of global warming (GWP100) and 47% of the environmental load of freshwater aquatic ecotoxicity and could reduce 54% of the environmental impact of soil fertilization in terms of eutrophication and 34% of GWP100 in soil remediation. Furthermore, LCA results indicate that hydrochar derived at 160 °C has the lowest environmental load in the combined utilization. This study proposes an optimized utilization of biomass wastes and extends the life cycle of derived hydrochar by experimental determination and the LCA method.

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“…[495][496][497][498][499][500] Another factor that limits its growth and production is the soil contaminated by heavy metals. [501][502][503][504][505][506] Wheat grains have an important protein called gluten, which is necessary for the production of various bakery products and pasta. 507 Normally, wheat is transformed into flour for the production of bread, pasta, biscuits, etc.…”

Section: Pla/wheat Starchmentioning

confidence: 99%

Polymer blends of poly(lactic acid) and starch for the production of films applied in food packaging: A brief review

Silva

Rios

Santana

2023

Polymers from Renewable Resources

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The limited degradation of synthetic polymers used in food packaging when discarded in the environment is a major concern for society. Therefore, industry and academia have sought to develop biodegradable and eco-friendly materials for single-use in packaging. An interesting alternative for the food industry is biodegradable polymeric films, which is why different biopolymers have been used in the production of sustainable packaging. It is worth mentioning that the use of biodegradable polymers is one of the most successful innovations in the industry to address issues related to the environment. Among the available raw materials, starch extracted from different renewable sources is very promising for this purpose, due to its abundance, low-cost compared to other polymers and ability to produce non-toxic films. However, when used alone, pure starch has many limitations, which can be overcome by developing a mixture with other polymers (polymer blends), preferably from renewable and biodegradable sources, such as poly(lactic acid) (PLA). In this context, the absence of literature reviews evidencing the results of the application of films in foods led us to write this article, given the importance of polymer blends produced with different types of starch (cassava, corn, pea, potato, rice and wheat) and the PLA matrix. According to the results, it is clear that polymer blends based on PLA/Starch for food packaging are very promising, already being part of the industries solutions, aiming to minimize the large volume of plastic waste of petrochemical origin discarded in nature. Obviously, as with any technology, more research is needed to further improve the performance of the films, and while much research has made great strides, there are still limitations that prevent the commercialization of these materials.

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Effect of biochar amendment on metal mobility, phytotoxicity, soil enzymes, and metal-uptakes by wheat (Triticum aestivum) in contaminated soils

Cited by 41 publications

References 82 publications

Effect of biological sewage sludge and its derived biochar on accumulation of potentially toxic elements by corn (Zea mays L.)

Effect of biological sewage sludge and its derived biochar on accumulation of potentially toxic elements by corn (Zea mays L.)

A Life Cycle Assessment of the Combined Utilization of Biomass Waste-Derived Hydrochar as a Carbon Source and Soil Remediation

Polymer blends of poly(lactic acid) and starch for the production of films applied in food packaging: A brief review

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