THE REMOVAL OF LINEAR ALKYL BENZENE SULPHONIC ACID (LABSA) FROM AQUEOUS SOLUTION ON BOTTOM ASH OBTAINED FROM COMBUSTION OF LOWER RANK LIGNITE COAL AS ADSORBENT
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CitationBALBAY, S., ACIKGOZ, C., & AKIN, S. D. THE REMOVAL OF LINEAR ALKYL BENZENE SULPHONIC ACID (LABSA) FROM AQUEOUS SOLUTION ON BOTTOM ASH OBTAINED FROM COMBUSTION OF LOWER RANK LIGNITE COAL AS ADSORBENT.
Linear alkyl benzene sulphonic acid (LABSA) is the major anionic surfactant material used in detergent formulations so that it is frequently present in domestic and civil wastewater. Sulphate can cause various kinds of problems depending on its concentration and on the earth alkaline cation. Bottom ash is collected at the end of the grate in a Waste -to-Energy plant. It consists of non-combustible materials, and is the residual part from the incineration of household and similar waste. In this study, bottom ash (part of the non-combustible residue of lower rank lignite coal combustion in a furnace), was used as an adsorbent for removal of Linear Alkyl Benzo Sulfonic Acid(LABSA), from aqueous solution. LABSA has been adsorbed over under batch measurements and adsorption process is monitored using UV spectrophotometer. Adsorbent amount (0.1, 0.2 and 0.3 g/100ml), contact time (10-60 minute), PH (3-11) and temperature(20, 30 and 45 0C) were chosen as parameters. The absorption data obtained at various temperatures were successfully applied to pseudo-first-order and pseudo-second-order models. The study showed that bottom ash were efficient and low-cost adsorbents for removal of LABSA from industrial effluents, domestic and civil wastewater.