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UN Sustainable Development : Sustainable cities a ... ✕Department : Kimya Mühendisliği B ... ✕
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Sustainable cities and communitiesMake cities and human settlements inclusive, safe, resilient and sustainable

Activated Carbon for Wastewater Treatment from Phenol Compounds

Külümkan SARTOVA | Emil ÖMÜRZAK

Application of activated carbon (AC) obtained from cotton wastes (bolls, stems, and roots) for phenol adsorp-tion from water, or wastewater dephenolization, is presented. The kinetics of phenol adsorption by carbon adsor-bents were studied using UV/Vis spectrophotometer. The porosity of the formed ACs ranged from 1.952 to 2.339 cm3/g, the volume of macropores was from 1.79 to 2.09 cm3/g, while the commercial sample BAU-A showed 1.920 and 1.320 cm3/g, respectively. The highest phenol adsorption rate, 32.49-52.80 mg/(g center dot min), was observed for contact time up to 5 min on carbon adsorben ...More

Article 2022 Mühendislik Fakültesi Chemistry for Sustainable Development30 ( 3 ) 13 Views

Dichromate and arsenate anion removal by PEI microgel, cryogel, and bulkgel

Nahit AKTAŞ

Among the various metal ions, chromate (Cr(VI)) and arsenate (As(V)) are the two most hazardous toxic ion species and are found in nature in the form of dichromate and arsenate anions. In this investigation, polyethyleneimine (PEI)-based hydrogels were prepared with microgel, cryogel, and bulkgel morphologies employing glycerol diglycidyl ether as a crosslinker. The prepared PEI-based hydrogels were used to remove dichromate and arsenate anions from aqueous media. PEI microgel, cryogel, and bulkgels weighing 50 mg of each adsorbed 84.7 /- 0.8, 76.5 /- 5.2, and 108.9 /- 2.4 mg.g(-1) of dichroma ...More

Article 2021 Mühendislik Fakültesi Journal of Environmental Chemical Engineering9 ( 2 ) 92 Views

Activated carbon obtained from the cotton processing wastes

Külümkan SARTOVA | Emil ÖMÜRZAK | Bakıt BORKOYEV

Activated carbon (AC) was obtained from the cotton (Gossypium malvaceae) processing waste materials. The process was carried out by carbonization at 500–800 °C and subsequent activation at 800 °C by water stream. Cotton biomass is a renewable, low-cost alternative source for textile and food products; however, it hasn't been used for manufacturing of an activated carbon by carbonization in a boiling layer method. Characterization of adsorbents by means of Scanning Electronic Microscope and FT-IR showed that high porosity of carbonized products which was achieved and functional groups were form ...More

Article 2019 Mühendislik Fakültesi Diamond and Related Materials91 180 Views
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