THE REMOVAL OF CHROMIUM FROM AQUEOUS SOLUTIONS USING AN INDUSTRIAL WASTE MATERIAL
Küçük Resim Yok
Tarih
2017
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
HEALTH & ENVIRONMENT ASSOC
Erişim Hakkı
info:eu-repo/semantics/closedAccess
Özet
Heavy metals have toxic effects for aquatic environment and living organisms, therefore the importance for heavy metal removals from aqueous solutions increase recently. Various removal methods of heavy metals from wastewaters were used such as chemical oxidation, adsorption, membrane filtration, UV treatment etc. Adsorption process is a favorable method because of its low cost and efficiency. In this study an industrial waste material produced in boron enrichment process for concentrate colemanite production was used as an adsorbent for chromium removal from aqueous solution. The influence of adsorbent mass, pH, contact time and initial chromium concentration on the adsorption efficiency has been investigated. Maximum chromium removal was obtained as 73% at optimum conditions (adsorbent doze=2.0 g/L; shaking speed=200 rpm; original pH=5.0; contact time=30 minutes and initial chromium concentration=20 mg/L). The adsorption isotherm of waste material was fitted by Freundlich adsorption isotherm and R-2 value of the isotherm was determined as 0.83.
Açıklama
Anahtar Kelimeler
Industrial waste material, chromium, adsorption
Kaynak
INTERNATIONAL JOURNAL OF ECOSYSTEMS AND ECOLOGY SCIENCE-IJEES
WoS Q Değeri
N/A
Scopus Q Değeri
Cilt
7
Sayı
4
