Sorption of sulphamethoxazole by the biochars derived from rice straw and alligator flag

Li, Tingqiang; Han, Xuan; Liang, Chengfeng; Shohag, M. J. I.; Yang, Xiaoe

doi:10.1080/09593330.2014.943299

Cited by 41 publications

(7 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…One option could be to use smaller particle sizes and hydraulic loads. An example of this improvement was demonstrated by Li et al [51], who observed that while the chemical composition of their biochar did not change after crushing it, its efficacy in removing sulphamethoxazole improved significantly. Further, the hydraulic loads may also be lowered during summer when there is increased amount of organic loads.…”

Section: Possible Improvements Of the Systemmentioning

confidence: 91%

Phosphorus removal from wastewater by field-scale fortified filter beds during a one-year study

Kholoma

Renman

2016

Environmental Technology

View full text Add to dashboard Cite

Due to low availability of alternative technologies, rural communities are unable to comply with national wastewater discharge limits. This study tested the effectiveness of filter bed fortification with biochar on phosphorus removal. Water-tight down-flow beds of sand and gas concrete, constructed alongside a reference sand bed (all 0.8 m deep and 0.75 m(2) surface area), were topped with a 0.2 m biochar layer. Pre-treated domestic wastewater with mean concentrations of 6.4 mg/L [Formula: see text] and 142.6 NTU, was infiltrated at 4 cm/d hydraulic loading rate. Ultimately, the biochar-sand was relatively outstanding in turbidity reduction, achieving <5 NTU. The biochar-gas concrete exhibited superior performance in [Formula: see text] removal, trapping 32.3 g (40.2%), compared with 20.5 g (25.6%) and 15.5 g (19.3%) by biochar-sand and reference bed respectively. However, statistical analysis revealed a weak correlation between pH and biochar-gas concrete removal efficiency (r(2 )= 0.2). The relationship was stronger for biochar-sand [Formula: see text] (r(2 )= 0.5) than reference (r(2 )= 0.4) bed. Paired samples t-tests showed that incorporating biochar into the sand bed significantly (p = .04) improved its [Formula: see text] removal efficiency. In conclusion, sand bed fortification with biochar could be an important measure for improving P removal and wastewater clarification efficiency.

show abstract

Section: Possible Improvements Of the Systemmentioning

confidence: 91%

Phosphorus removal from wastewater by field-scale fortified filter beds during a one-year study

Kholoma

Renman

2016

Environmental Technology

View full text Add to dashboard Cite

show abstract

“…Feedstocks of animal or human origin may also contain substantial quantities of unmetabolized antibiotics that could lead to the development of antibiotic resistance in the soil microflora on amendment (Ippolito et al, 2012). The fate of antibiotics on charring is largely unknown, even though active sorption of veterinary drugs by biochars has been demonstrated in soil (Jeong et al, 2012) and in water (Li et al, 2015).…”

Section: Resultsmentioning

confidence: 99%

Characterizing Properties of Biochar Produced from Simulated Human Feces and Its Potential Applications

Ilango

Lefebvre

2016

J. Environ. Qual.

View full text Add to dashboard Cite

This study presents a comprehensive characterization of biochar obtained from simulated human feces (SHF) with a view to improve human waste sanitization and stabilization before usage as a resource. The possible applications of SHF are as a fuel, as a soil amendment, or for emerging applications (e.g., activated carbon precursor and odor control), depending on the charring conditions. Simulated human feces were charred under different conditions of peak temperature (200-800°C), heating rate (2-50°C min), and holding time (0.5-6.0 h); these parameters have been shown to have the largest influence on the thermal and physicochemical characteristics of the final product. The peak temperature was shown to have a higher impact than the heating rate or the holding time. At 200°C, the very mild structural changes of the product were characteristic of dry torrefaction, a process useful to remove moisture and sterilize the product. At 400°C the carbon content (76.2 ± 0.4) and the calorific heat value (30.6 ± 0.4 MJ kg) of the product increased by 60%. From 600°C onward, the improved degree of aromatization verified by Fourier transform infrared spectrometry (alkene [C=C] stretching around 1680-1450 cm) and C nuclear magnetic resonance (C=C stretching at 140-110 ppm) made the biochar increasingly suitable for carbon sequestration or commercial fabrication of briquettes of charcoal. In conclusion, SHF proved to be a suitable feedstock to produce a biochar whose characteristics depended mostly on the peak charring temperature. Ultimately, the selection of a suitable application may depend on local and sociological considerations.

show abstract

“…Finally, the sorption of negative species was controlled by proton exchange, although with a significant role of π-π electron acceptor-acceptor interactions. Li et al [182] investigated the sorption of SMX on biochars derived from rice straw (RS) and alligator flag (AF). The adsorption was well described by the Langmuir isotherm with saturation capacities of 3.65 mg•g −1 with rice straw derived adsorbent.…”

Section: Contaminant Biomass Precursor Synthesis Conditions Biochar Cmentioning

confidence: 99%

A Review on the Synthesis and Characterization of Biomass-Derived Carbons for Adsorption of Emerging Contaminants from Water

et al. 2018

View full text Add to dashboard Cite

This review analyzes the preparation and characterization of biomass-derived carbons and their application as adsorbents of emerging contaminants from water. The study begins by identifying the different types of emerging contaminants more often found in water streams, including a brief reference to the available technologies for their removal. It also describes the biomass sources that could be used for the synthesis of biochars and activated carbons (AC). The characterization of the adsorbents and the different approaches that can be followed to learn about the adsorption processes are also detailed. Finally, the work reviews literature studies focused on the adsorption of emerging contaminants on biochars and activated carbons synthesized from biomass precursors.

show abstract

Sorption of sulphamethoxazole by the biochars derived from rice straw and alligator flag

Cited by 41 publications

References 35 publications

Phosphorus removal from wastewater by field-scale fortified filter beds during a one-year study

Phosphorus removal from wastewater by field-scale fortified filter beds during a one-year study

Characterizing Properties of Biochar Produced from Simulated Human Feces and Its Potential Applications

A Review on the Synthesis and Characterization of Biomass-Derived Carbons for Adsorption of Emerging Contaminants from Water

Contact Info

Product

Resources

About