Liquid liquid extraction
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Liquid-Liquid Extraction. Group 5 Alex Guerrero Andrew Duffy Bernard Hsu Daniyal Qamar Jeff Tyska Ryan Kosak Tomi Damo. ChE 382 2/10/2011. Introduction. In this laboratory, Acetic Acid in Oil will be extracted by water. Oil = Raffinate Water = Extract Counter-Current Flow.

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Liquid-Liquid Extraction

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Liquid liquid extraction

Liquid-Liquid Extraction

  • Group 5

    • Alex Guerrero

    • Andrew Duffy

    • Bernard Hsu

    • DaniyalQamar

    • Jeff Tyska

    • Ryan Kosak

    • TomiDamo

ChE 382

2/10/2011


Introduction

Introduction

  • In this laboratory, Acetic Acid in Oil will be extracted by water.

  • Oil = Raffinate

  • Water = Extract

  • Counter-Current Flow


Purpose

Purpose

  • The purpose of this experiment is to operate the three-stage mixer/settler system to extract Acetic Acid from White Oil using water as a solvent, while we investigate the effect of the speed of mixing on the extraction efficiency.

  • The efficiencies calculated will be the Murphree Efficiencies.


Theory

Theory

  • Liquid-Liquid Extraction works because of differences in the solubility of the solute in the extract and raffinate.

  • Polar and Non-Polar Compounds, “like mixes with like.”

  • Acetic Acid dissolves more readily in water than oil

  • Water and oil do not mix

  • Acetic Acid is removed from oil due to solubility with water.


Theory1

Theory

  • = composition of extract phase equilibrium with raffinate phase leaving the (S+1)th stage.

  • Ys = real composition of the extract phase leaving the (S)th stage

  • Y(s+1) = real composition of the extract phase leaving the (S+1)th stage


Theory2

Theory

  • = composition of the raffinate phase in equilibrium with extract phase leaving the (s+1)th phase.

  • Xs = real composition of the raffinate leaving the (S)th stage

  • x (s+1) = real composition of the raffinate leaving the (s+1)th stage


Theory3

Theory

  • = theoretical number of stages required

  • = actual number of stages used

  • %Removal = (x(in) – x(out))*100/(x(in))

  • %Removal in nth stage = (x(n)-x(n+1))*100/(x(n))


  • Apparatus

    Apparatus


    Materials

    Materials


    Safety

    Safety

    • Oil/water Spills

      • Slippery Conditions

    • Glacial Acetic Acid

      • Corrosive

      • Vapors

    • Electrical Equipment


    References

    References

    • Wankat, P. C., (2007). Separation Process Engineering (2nd ed.).New York: Prentice Hall

    • Hyfoma. Extraction. http://www.hyfoma.com/en/content/processing-technology/separation-techniques/extraction/

    • "MatWeb - The Online Materials Information Resource." Online Materials Information Resource - MatWeb. Web. 23 Jan. 2011. <http://www.matweb.com/search/datasheet.aspx?matguid=ab1fc45899a5464a8655448211643b1d&ckck=1>


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