The Use of Aloe vera as Natural Coagulant in Algerian Drinking Water Treatment Plant

查看全文 作　　者：Abderrezzaq [1,2]Benalia;Kerroum [2]Derbal;Amel [1]Khalfaoui;Antonio [3]Pizzi;Ghouti [4]Medjahdi

机构地区：[1]Faculty Process Engineering,University of Constantine 3,Constantine,25000,Algeria;[2]National Polytechnic School of Constantine,Constantine,25000,Algeria;[3]LERMAB-ENSTIB,University of Lorraine,Epinal,88000,France;[4]Institut Jean Lamour,Universitéde Lorraine,CNRS,Nancy,54011,France

出　　处：《Journal of Renewable Materials》索引2022年第10卷第3期,共13页

摘　　要：The purpose of this work is the study the ability of the plant material Aloe vera to act as natural coagulant using raw water obtained from a drinking water treatment plant(Mila,Algeria).Different solvents such as:NaCl;NaOH and HCl were used as chemical activators to extract the active components from the Aloe vera plant,and different coagulation-flocculation experiments were conducted in a jar test apparatus to evaluate the perfor-mance of the extracted coagulant.Also,the effect of coagulant dose on some water parameters such as turbidity,pH,total alkalinity and organic matter were investigated.The results showed that the use of coagulants obtained by using different solvents increases the coagulation efficiency compared to the coagulant obtained from the raw material,for example the maximum turbidity removal efficiency was 28.23,78.07,83.46 and 85.15%when using powdered Aloe vera(raw material),AV-NaCl(0.5 M),AV-NaOH(0.05 M)and AV-HCl(0.05 M),respectively.The results defined,that the residual turbidity obtained in this work,where the Aloe vera was used(after treat-ment by solvents)produced a turbidity lower than the Algerian standard(5 NTU)with initial turbidity(13 NTU).In this study,the infrared spectrum study and analysis has revealed the presence of different functional groups,which are responsible for the coagulation process. 关键词：Actives components COAGULANT colloidal particles infrared spectrum SOLVENT

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The Use of Aloe vera as Natural Coagulant in Algerian Drinking Water Treatment Plant

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