Parası kalmadığı için otobüse binemiyordur ailesi porno izle ona daha yeni para gönderdiği için tekrar porno istemeye utanınca mecburen otostop çekmek için youporn çantasını alarak yol kenarına gelir etekli porno liseli türk kız yol kenarında dururken yanına yaklaşan porno kibar bir gencin onu gideceği yere kadar bırakmak porno izle istemesine çok mutlu olur arabaya bindiklerinde gideceği yer ile porno arabayı kullanan adamın gittiği yer arasında çok mesafe sex izle farkı olduğunu anlayan türk kız bu yaptığı porno indir iyilik karşısında arabada ona memelerini açar porno sapıklaşan adam yol kenarındaki hotelde durarak porno izle üniversiteli otostop çeken türk kızına odada sakso çektirip sikerRemoval of Congo Red and Magenta Dyes from Industrial Waste Water by Thorn Apple Leaf Powder| Abstract

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Abstract

Removal of Congo Red and Magenta Dyes from Industrial Waste Water by Thorn Apple Leaf Powder

Author(s): I. Ameeth Basha, R. Nagalakshmi and T. Shanthi

The adsorption methods have been extensively used by various researchers for the removal of dyes from industrial waste water. In the current work, the leaves of Thorn apple [Datura staramonium] treated with sulphuric acid and formaldehyde were used as an adsorbent for the elimination of congo red and magenta from an industrial waste water. The adsorption characteristics of these two dyes on activated Thorn apple leaf powder (TALP) were evaluated as a function of pH, adsorbent dose, initial concentration of adsorbate, temperature. The efficient adsorption was established to be in pH range 3.8 to 7.4, adsorbent dose 0.5 g to 0.8 g, initial concentration (1 x 10-5 to 5 x 10-5 M) and Temperature range (308 to 318 K). The results tell that ceiling adsorption of two dyes onto TALP is in the range of 63.8% to 89.7%. The adsorption data fixed well into Freundlich and Langmuir adsorption models. The results show that Thorn apple leaf powder holds a great prospective in removal of congo-red and magenta dyes from industrial wastewater.


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