Linear and non-linear analysis of Ibuprofen riddance efficacy by Terminalia catappa active biochar: Equilibrium, kinetics, safe disposal, reusability and cost estimation

Show, Sumona; Mukherjee, Saumyajeet; Devi, Moirangthem Sarda; Karmakar, Bisheswar; Halder, Gopinath

doi:10.1016/j.psep.2021.01.024

Cited by 38 publications

(6 citation statements)

References 25 publications

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“…A fourth peak shift signifying the presence of an alkyne bond (CC) was observed at 2098.5 cm −1 and 2117.1 cm −1 , for ALBC and AL‐BOPP‐BC, respectively 56,57 . A fifth peak shift, which represents the COH bend, was observed at 1375.4 cm −1 and 1315.8 cm −1 for ALBC, and 1397.8 cm −1 and 1353.0 cm −1 for AL‐BOPP‐BC 58 . Another peak shift representing an aromatic CH bond was observed at 779.0 cm −1 for ALBC and 872.2 cm −1 and 808.8 cm −1 for AL‐BOPP‐BC 59 .…”

Section: Resultsmentioning

confidence: 99%

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Valorization of waste biaxially‐oriented polypropylene plastic films by its co‐carbonization with almond leaves

Adeniyi

Amusa²,

Iwuozor

et al. 2023

Env Prog and Sustain Energy

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This study utilized the top-lit updraft technology for the co-carbonization of waste biaxially-oriented polypropylene (BOPP) and almond leaves (Terminalia catappa) for the production of hybrid biochar, which was then further characterized. Biochar was also synthesized and characterized using the almond leaves alone, as it served as control for the study. The carbonization process, which ran for 100 min, gave a yield of 39.4% and 33.9% for biochar and hybrid biochar, respectively. FTIR spectra showed the presence of functional groups such as amine and carbonyl groups in the hybrid biochar. EDX results showed that the hybrid biochar contained about 57.3% carbon, in combination with other elements. SEM micrographs confirmed the presence of the plastic in the hybrid biochar. In addition, the hybrid biochar had a BET surface area of 366.8 m 2 /g and a pore diameter of 2.093 nm. DTA/TGA analysis showed that the presence of the plastics decreased the thermal stability of the hybrid biochar. This study supports the use of Terminalia catappa leaves as a reliable precursor for the synthesis of biochar and hybrid biochar.

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Section: Resultsmentioning

confidence: 99%

“…56,57 A fifth peak shift, which represents the C O H bend, was observed at 1375.4 cm À1 and 1315.8 cm À1 for ALBC, and 1397.8 cm À1 and 1353.0 cm À1 for AL-BOPP-BC. 58 Another peak shift representing an aromatic C H bond was observed at 779.0 cm À1 for ALBC and 872.2 cm À1 and 808.8 cm À1…”

Section: Functional Group Analysismentioning

confidence: 97%

Valorization of waste biaxially‐oriented polypropylene plastic films by its co‐carbonization with almond leaves

Adeniyi

Amusa²,

Iwuozor

et al. 2023

Env Prog and Sustain Energy

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“…Compared with traditional slow-release fertilizers, the high price of biochar is another important factor restricting its application. While biochar has long-term effectiveness compared to traditional slow-release fertilizers, which might reduce its use costs [113]. MnFe-LDO-biochar maintained 80% of antibiotic removal after three consecutive cycles [114].…”

Section: Discussionmentioning

confidence: 99%

Nitrate Absorption and Desorption by Biochar

He,

Wang,

Cao

et al. 2023

Agronomy

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Biochar is a potential solution for addressing environmental problems related to excessive nitrogen (N). However, there is still some debate about the absorption and desorption of nitrate nitrogen (NO3−-N). Therefore, this study investigated the NO3−-N adsorption and desorption performance onto biochar and biochar-soil mixture to address this gap. The results showed that the biochar produced from apple branches had the ability to absorb NO3−-N with an absorption capacity of 3.51 mg·g−1. The absorption data fitted well with the pseudo-second-order kinetic model and Langmuir model. The application of biochar significantly improved soil absorption capacity and slow release of NO3−-N. While higher NO3−-N concentrations had better NO3−-N supply capacity and poorer slow-release effect. Integrating nutrient supply and slow-release effect, it is recommended to control the application ratio of biochar to NO3−-N at 34–42.75 g·g−1. Although the unoptimized biochar application rate cannot be directly applied to the soil as a slow-release fertilizer carrier to meet commercial standards, biochar modification provides new possibilities for this purpose. Moreover, compared with traditional slow-release fertilizer, biochar had good stability and regeneration performance, alleviating the high cost due to the biochar price. In general, biochar still has potential and prospects as a slow-release material. This study provides support for biochar in mitigating environmental problems associated with excess N.

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“…Where, “ A ” symbolizes the R‐P isotherm constant in L/g and β is an exponent. A graphical representation on ln ( C e / q e ) versus ln C e will thus provide the data of β and A 20 …”

Section: Methodsmentioning

confidence: 99%

“…A graphical representation on ln (C e /q e ) versus ln C e will thus provide the data of β and A. 20…”

Section: Isotherm Studymentioning

confidence: 99%

Elucidating facile biosorptive eradication of enrofloxacin: Equilibrium, kinetics, reusability, cost estimation, and safe disposal

Sharma

Show

Barman

et al. 2023

Env Prog and Sustain Energy

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In the current investigation, superheated steam activated green coconut shell (Cocos nucifera) biochar (PAGCSB) has been used in sorptive expulsion of the pharmaceutical micro‐pollutant enrofloxacin (ENX) from water. Through a number of progressive studies in batch sorption process, the influence of some crucial parameters are evaluated toward efficacious remediation of ENX laden aqueous media by PAGCSB. The parameters studied are: contact time (5–20 h); mixing intensity (100–190 rpm); pH (1–9); initial ENX concentration (5–35 mg/L); temperature (15–40°C); and biosorbent dosage (2–5 g/L). The maximum ENX removal is 91.92% by using ENX initial concentration 20 mg/L; pH 7; temperature 30°C; biosorbent dose 4 g/L; stirring speed 150 rpm; and contact period 16 h. The repeated usability of spent biochar has been assessed and found to be 69.91% even after the fifth cycle. The pseudo‐second order kinetic model provided the best fit to the kinetic data. The Langmuir model showed the finest suit to the isotherm data. Adsorption capacity of the biosorbent was observed to be 2.32 mg/g. The current study on biosorptive riddance of ENX revealed a good level of randomness in the thermodynamic process which is found to be exothermic in nature. A wide‐scale utilization of the developed biosorbent has been well‐substantiated by the cost estimation. Finally, the safe disposal of spent biosorbent has been studied in accordance with the World Health Organization safety guidelines. Hence, superheated steam activated green coconut shell derived biochar could be a cost‐effective and competent sorbent material for ENX eradication from contaminated water.

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Linear and non-linear analysis of Ibuprofen riddance efficacy by Terminalia catappa active biochar: Equilibrium, kinetics, safe disposal, reusability and cost estimation

Cited by 38 publications

References 25 publications

Valorization of waste biaxially‐oriented polypropylene plastic films by its co‐carbonization with almond leaves

Valorization of waste biaxially‐oriented polypropylene plastic films by its co‐carbonization with almond leaves

Nitrate Absorption and Desorption by Biochar

Elucidating facile biosorptive eradication of enrofloxacin: Equilibrium, kinetics, reusability, cost estimation, and safe disposal

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