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1301
Kinetic and thermodynamic study on adsorption of lead(II) ions in water over dithizone-immobilized coal bottom ash
Published 2022“…Standard Gibbs free energy (ΔG◦), enthalpy (ΔH◦) and entropy (ΔS◦) changes estimated from the adsorption isotherms taken at 283, 293, 303, and 313 K revealed that the adsorption process was spontaneous and endothermic under the present conditions, and had both physical and chemical interactions between Pb(II) and Dtz-CBA. …”
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Other -
1302
Batch and fixed bed adsorption studies of lead (II) cations from aqueous solutions onto granular activated carbon derived from mangostana garcinia shell
Published 2012“…The sorption process was found to be feasible, endothermic, and spontaneous. In column experiments, the effects of initial cation concentration (50 mg/L, 70 mg/L, and 100 mg/L), bed height (4.5 cm and 3 cm), and flow rate (1 mL/min and 3 mL/min) on the breakthrough characteristics were evaluated. …”
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1303
Inverse vulcanization induced oxygen modified porous polysulfides for efficient sorption of heavy metals
Published 2024“…The sorption processes were endothermic and spontaneous. This work would guide the preparation of porous polysulfides with surface modification as efficient sorbents to remediate heavy metals from aqueous solutions.…”
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1304
Sustainable production of hierarchically porous carbon from lignin-acrylic acid copolymers
Published 2024“…Thermodynamic analysis revealed the endothermic nature of lead adsorption, further enhanced at higher temperatures. …”
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1305
Sorption of arsenate by stannum(IV)-exchanged zeolite P
Published 2008“…The sorption capacity of As(V) by SnZP increased as temperature increases from 25 to 70°C showing that the process is endothermic with DH° value of 83.84 kJ mol-1. The free energy change (DG°) for the sorption was negative showing that the sorption of As(V) ions is spontaneous. …”
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1306
Physico-chemical characterization of oils extracted from noni, spinach, ladys finger, bitter gourd and mustard seeds, and copra
Published 2015“…All of the oils possessed at least three major peaks in their triacylglycerol profiles except for bitter gourd seed oil which had only one major peak (1-stearoyl, 2,3-dieleostearoyl). The last endothermic peaks were –12.4, –6.0, 6.8, 57.7, 2.7, and 24.3ºC for noni, spinach, lady’s finger, bitter gourd and mustard seed oils, and coconut oil, respectively. …”
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1307
Evaluation of anthocyanins extraction from Gynura crepioides Benth. using conventional method
Published 2016“…The activation energy is calculated as 18.45 kJ mol-1, which is an indication of an endothermic process. The highest initial extraction rate is observed as 16.64 mg L-1 min-1 at 333K. …”
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Thesis -
1308
Kinetics and thermodynamics of synthesis of palm oil-based trimethylolpropane triester using microwave irradiation
Published 2020“…Activation energy and time-periodic energy assessment showed that the reaction was endothermic. The reaction at 130 °C is the easiest to activate. …”
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Article -
1309
Dyes Adsorption On Salak Peel Based Activated Carbon Optimization, Equilibrium, Kinetic And Thermodynamic Studies
Published 2015“…The adsorption process of MG and RBBR onto SPAC were endothermic in nature.…”
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Thesis -
1310
Activated Carbon Derived From Pentace Triptera, Intsia Bijuga And Hevea Brasiliensis Sawdust Via Microwave-Induced Potassium Hydroxide Activation For Dyes Adsorption
Published 2019“…Thermodynamic studies confirmed that all systems were endothermic in nature. For the column studies, the better correlation of breakthrough data shown by Thomas and Yoon-Nelson model. …”
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Thesis -
1311
Development Of Non-Ionic Silicone Surfactant-Based Extraction Methods Of Triazine Herbicides In Milk And Water Samples
Published 2018“…The thermodynamic results indicated that the solubilization of the triazine compounds solubilized into the both surfactants were feasible, spontaneous and endothermic.…”
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Thesis -
1312
Jackfruit Seed Based Activated Carbon Prepared By Microwave Heating Activation For Methylene Blue Dye Removal
Published 2018“…The adsorption process of MB onto JSAC was endothermic which occurs spontaneous process.…”
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Monograph -
1313
Activated Carbon Derived From Pentace Triptera, Intsia Bijuga And Hevea Brasiliensis Sawdust Via Microwave-Induced Potassium Hydroxide Activation For Dyes Adsorption
Published 2019“…Thermodynamic studies confirmed that all systems were endothermic in nature. For the column studies, the better correlation of breakthrough data shown by Thomas and Yoon-Nelson model. …”
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Thesis -
1314
Adsorption Of Copper (II) Ions In Wastewater Using Mangrove-Based Activated Carbon
Published 2021“…Finally, the thermodynamic analysis revealed that the adsorption studied is endothermic process, and the adsorption is spontaneous at 50 and 60°C.…”
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Monograph -
1315
Adsorption Of Chloramphenicol By Activated Carbon Derived From Palm Kernel Shell Via Microwave Irradiation
Published 2021“…Kinetic studies revealed that adsorption of CAP onto PKS-AC followed pseudo-second order kinetic model while thermodynamic studies confirmed that the adsorption system was endothermic in nature. Mechanism studies described that the CAP adsorption process was govern by film diffusion mechanism model.…”
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Monograph -
1316
Batch Adsorption Study For Removal Of Chloramphenicol Using Activated Carbon
Published 2022“…The thermodynamics properties also been studied where adsorption process of CPC onto activated carbon is a thermodynamically spontaneous, endothermic process and the sorbent uptakes processes is irreversible process since ΔS is greater than 0. …”
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Monograph -
1317
Activated Carbon Derived From Pentace Triptera, Intsia Bijuga And Hevea Brasiliensis Sawdust Via Microwave-Induced Potassium Hydroxide Activation For Dyes Adsorption
Published 2019“…Thermodynamic studies confirmed that all systems were endothermic in nature. For the column studies, the better correlation of breakthrough data shown by Thomas and Yoon-Nelson model. …”
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Thesis -
1318
Adsorption Of Copper (Ii) Ions In Wastewater Using Mangrove-Based Activated Carbon
Published 2022“…Finally, the thermodynamic analysis revealed that the adsorption investigated is an endothermic process, with spontaneous adsorption at 50 and 60 degrees Celsius.…”
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Monograph -
1319
Modification of bauxite residue with oxalic acid for improved performance in intumescent coatings
Published 2021“…Incorporation of the modified bauxite residues into a control intumescing formulation resulted in improved endothermic cooling, increased char expansion and char reinforcement. …”
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Article -
1320
Bibliometric studies and impediments to valorization of dry reforming of methane for hydrogen production
Published 2022“…Despite the numerous environmental incentives of the DRM process, it is still at an immature stage in the industry, its main problems are being highly endothermic, severe catalyst coking and subsequent deactivation among others. …”
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