Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with Polyethylenimine
In this study, pitch-based carbon (PC) was modified with polyethylenimine (PEI) to produce PEI-modified PC (PEI-PC) for wastewater treatment. PEI, containing amine groups, shows advantages in adsorbing ionic dyes. The adsorption and desorption properties of PEC-PC for dyes were evaluated through pH...
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| Language: | English |
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AIDIC Servizi S.r.l.
2024-11-01
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| Series: | Chemical Engineering Transactions |
| Online Access: | https://www.cetjournal.it/index.php/cet/article/view/14816 |
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| author | Byeong-Chan Min Su Bin Kang Gwang-II Ko Sung Wook Won |
| author_facet | Byeong-Chan Min Su Bin Kang Gwang-II Ko Sung Wook Won |
| author_sort | Byeong-Chan Min |
| collection | DOAJ |
| description | In this study, pitch-based carbon (PC) was modified with polyethylenimine (PEI) to produce PEI-modified PC (PEI-PC) for wastewater treatment. PEI, containing amine groups, shows advantages in adsorbing ionic dyes. The adsorption and desorption properties of PEC-PC for dyes were evaluated through pH edge, experiments, adsorption kinetics, isotherm studies, and desorption tests. We selected Cibacron Brilliant Yellow 3G-P (Reactive Yellow 2: RY2) as the model dye for our study. pH edge experiments were conducted in a pH range of 2-12 with an initial dye concentration of 100 mg/L. The results showed that dye uptake on PEI-PC increased as the pH value decreased. Adsorption kinetic experiments confirmed that adsorption equilibrium at pHs 2 and 7 was achieved within 30 min. The adsorption isotherm experiments, conducted at initial dye concentrations ranging from 10 to 300 mg/L, revealed that the experimental data fit well with the Langmuir model. The dye-loaded PEI-PC was desorbed using a 0.05 M NaOH solution, and this adsorption-desorption process was repeated. It was observed that when the adsorption-desorption cycles were repeated from 1 to 5 times, the adsorption efficiency decreased by 29 %. |
| format | Article |
| id | doaj-art-60c08033e84f43c3b3650d5ed97449e2 |
| institution | OA Journals |
| issn | 2283-9216 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | AIDIC Servizi S.r.l. |
| record_format | Article |
| series | Chemical Engineering Transactions |
| spelling | doaj-art-60c08033e84f43c3b3650d5ed97449e22025-08-20T02:07:13ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162024-11-01113Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with PolyethylenimineByeong-Chan MinSu Bin KangGwang-II KoSung Wook WonIn this study, pitch-based carbon (PC) was modified with polyethylenimine (PEI) to produce PEI-modified PC (PEI-PC) for wastewater treatment. PEI, containing amine groups, shows advantages in adsorbing ionic dyes. The adsorption and desorption properties of PEC-PC for dyes were evaluated through pH edge, experiments, adsorption kinetics, isotherm studies, and desorption tests. We selected Cibacron Brilliant Yellow 3G-P (Reactive Yellow 2: RY2) as the model dye for our study. pH edge experiments were conducted in a pH range of 2-12 with an initial dye concentration of 100 mg/L. The results showed that dye uptake on PEI-PC increased as the pH value decreased. Adsorption kinetic experiments confirmed that adsorption equilibrium at pHs 2 and 7 was achieved within 30 min. The adsorption isotherm experiments, conducted at initial dye concentrations ranging from 10 to 300 mg/L, revealed that the experimental data fit well with the Langmuir model. The dye-loaded PEI-PC was desorbed using a 0.05 M NaOH solution, and this adsorption-desorption process was repeated. It was observed that when the adsorption-desorption cycles were repeated from 1 to 5 times, the adsorption efficiency decreased by 29 %.https://www.cetjournal.it/index.php/cet/article/view/14816 |
| spellingShingle | Byeong-Chan Min Su Bin Kang Gwang-II Ko Sung Wook Won Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with Polyethylenimine Chemical Engineering Transactions |
| title | Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with Polyethylenimine |
| title_full | Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with Polyethylenimine |
| title_fullStr | Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with Polyethylenimine |
| title_full_unstemmed | Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with Polyethylenimine |
| title_short | Removal of Dyes in Wastewater Using Pitch-based Carbon Waste Modified with Polyethylenimine |
| title_sort | removal of dyes in wastewater using pitch based carbon waste modified with polyethylenimine |
| url | https://www.cetjournal.it/index.php/cet/article/view/14816 |
| work_keys_str_mv | AT byeongchanmin removalofdyesinwastewaterusingpitchbasedcarbonwastemodifiedwithpolyethylenimine AT subinkang removalofdyesinwastewaterusingpitchbasedcarbonwastemodifiedwithpolyethylenimine AT gwangiiko removalofdyesinwastewaterusingpitchbasedcarbonwastemodifiedwithpolyethylenimine AT sungwookwon removalofdyesinwastewaterusingpitchbasedcarbonwastemodifiedwithpolyethylenimine |