DEVELOPMENT OF LOW COST ADSORBENTS FOR THE REMOVAL OF WATER HARDNESS; AN EXPERIMENTAL STUDY AND MODELING OF NEWLY DEVELOPED ADSORBENT CONSIST OF COCONUT SHELL ACTIVATED CARBON, POLYSTYRENE RESIN AND CHEMICALLY MODIFIED SUGAR CANE BAGASSE.

Authors

  • Qazi Mohammed Omar Institute of Chemical Engineering and Technology, University of the Punjab, Lahore
  • Ijlal Idrees Institute of Chemical Engineering and Technology, University of the Punjab, Lahore
  • Adil Amin TUHH Technische Universität Hamburg-Harburg
  • Muhammad Awais Institute of Chemical Engineering and Technology, University of the Punjab, Lahore
  • Javeed Ashraf Awan Institute of Chemical Engineering and Technology, University of the Punjab, Lahore

Keywords:

Coconut shell activated carbon, Sugar cane bagasse, polystyrene resin. Total water hardness, Water softening

Abstract

The coconut shell carbon (activated), poly-styrene resin from waste plastic and chemically modified sugarcane bagasse has been used in a fixed bed absorber for decreasing the hardness and total dissolved solids (TDS) from waste water stream. The adsorption experiments were carried out at three different bed heights (36, 29 and 20cm) for different total dissolved solids (TDS) concentrations. It is observed from this work that 80 % of total hardness (223 mg/lit of CaCO3) has been removed with a bed height of 36cm from waste water. It has also been observed that the hardness removal efficiencies decreases with the decrease of bed height. Moreover, for 342 mg/lit TDS at 36cm bed height, the TDS removal efficiencies were also more than 80% for all the adsorbents except for modified sugar cane bagasse. The Freundlich and Langmuir-2 models has been used for the calculation of maximum adsorption capacity (mg/g of adsorbent). The estimated Temkin model parameter shows ( Q) for all the adsorbents and confirm that adsorption is exothermic. It has been observed that the coconut shell activated carbon, synthetic resin from waste plastic and chemically modified sugar cane bagasse are promising low cost adsorbents for the removal of hardness (calcium and magnesium hardness) from drinking water.

Author Biographies

Qazi Mohammed Omar, Institute of Chemical Engineering and Technology, University of the Punjab, Lahore

Lab Engineer

Ijlal Idrees, Institute of Chemical Engineering and Technology, University of the Punjab, Lahore

MSc student

Adil Amin, TUHH Technische Universität Hamburg-Harburg

Research scholar

Muhammad Awais, Institute of Chemical Engineering and Technology, University of the Punjab, Lahore

MSc student

Javeed Ashraf Awan, Institute of Chemical Engineering and Technology, University of the Punjab, Lahore

Associate Professor

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Published

2017-12-31

How to Cite

Omar, Q. M., Idrees, I., Amin, A., Awais, M., & Awan, J. A. (2017). DEVELOPMENT OF LOW COST ADSORBENTS FOR THE REMOVAL OF WATER HARDNESS; AN EXPERIMENTAL STUDY AND MODELING OF NEWLY DEVELOPED ADSORBENT CONSIST OF COCONUT SHELL ACTIVATED CARBON, POLYSTYRENE RESIN AND CHEMICALLY MODIFIED SUGAR CANE BAGASSE. Journal of the Pakistan Institute of Chemical Engineers, 45(2). Retrieved from http://piche.org.pk/journal/index.php/jpiche/article/view/299

Issue

Vol. 45 No. 2 (2017): Journal of Pakistan Institute of Chemical Engineers, Article in Press

Section

Articles

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