An environmental and green process for Pb2+ pollution: an experimental research from the perspective of adsorption
Yükleniyor...
Dosyalar
Tarih
2022
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
MDPI
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
oday, the increase in the need for quality and potable water resources is one of the most crucial issues that all countries of the world are focused on. Particularly, large amounts of highly polluted wastewater are formed together with water consumption that need to be treated in every sector. The toxic and harmful effects of pollutants such as lead still pose a challenge in terms of both environmental and human health in wastewater. Pb2+ ion is an amphoteric, toxic and bio accumulative type of primary pollutant commonly found in industrial wastewater. The adsorption process for Pb2+ treatment is a basic method, and in recent years, adsorption studies have been carried out with various waste adsorbents from the aquatic system. Adsorption is considered the most widely used environmental and green process to remove heavy metal ions among the different processes. So, waste-based adsorbents that do not induce pollution have been evaluated. Therefore, unmodified tea waste, banana, almond and egg shells were studied for the removal of Pb2+ ions from the aqueous matrix. With the current process, Pb2+ removal capacities were investigated by utilizing tea waste, banana, almond and egg shells in the aqueous solution. The effects of adsorbent concentrations (0.5–10 g), contact time (5–120 min), pH (2–12), and temperature (283.15–308.15 K) on the removal efficiency of Pb2+ were evaluated by batch mode adsorption experiments. The maximum removal efficiencies of Pb2+ were obtained as 89%, 93%, 98% and 99% for the four adsorbents under optimum operating conditions, respectively. Experimental results showed that the selected adsorbents are environmentally friendly, economical and easily obtainable for Pb2+ removal compared to other adsorbent types.
Açıklama
Anahtar Kelimeler
Adsorbent, Adsorption, Environmental Process, Lead İon, Pollution
Kaynak
Engineering Proceedings
WoS Q Değeri
Scopus Q Değeri
Q4
Cilt
19
Sayı
1
