The anoxic condition of the acetate for the removal of uranium. Introduction: G eo bacter is the anaerobic bacterial species that has the potential to oxidize organic compounds and metals. This bacterium is also known as a metal-reducing bacterium. The function of G eobacter is to remove the uranium from the contaminated environment. Anoxic refers to an environment or condition in which oxygen is either absent or is present in very less amount.

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Titanium dioxide, which is the most common white pigment in paint, can be produced from the titanium mineral, rutile, by chlorination to TiCl4, followed by oxidation to TiO2. To purify the insoluble titanium dioxide, it is washed free of soluble impurities in a continuous, countercurrent system of thickeners with water. Two hundred thousand kg/h of 99.9 wt% titanium dioxide pigment is to be produced by washing, followed by filtering and drying. The feed contains 50 wt% TiO2, 20 wt% soluble salts and 30 wt% water. The wash liquid is pure water at a flow rate equal to that of the feed on a mass flow basis .Determine the number of ideal stages using the McCabe-Smith method. kg solute/kg solution kg solution/kg TiO2 0.0 0.30 0.2 0.34 0.4 0.38 0.6 0.42

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Question

Chapter 14.4, Problem 1TQ

Summary Introduction

To review:

The anoxic condition of the acetate for the removal of uranium.

Introduction:

Geobacter is the anaerobic bacterial species that has the potential to oxidize organic compounds and metals. This bacterium is also known as a metal-reducing bacterium. The function of Geobacter is to remove the uranium from the contaminated environment. Anoxic refers to an environment or condition in which oxygen is either absent or is present in very less amount.

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Titanium dioxide, which is the most common white pigment in paint, can be produced from the titanium mineral, rutile, by chlorination to TiCl4, followed by oxidation to TiO2. To purify the insoluble titanium dioxide, it is washed free of soluble impurities in a continuous, countercurrent system of thickeners with water. Two hundred thousand kg/h of 99.9 wt% titanium dioxide pigment is to be produced by washing, followed by filtering and drying. The feed contains 50 wt% TiO2, 20 wt% soluble salts and 30 wt% water. The wash liquid is pure water at a flow rate equal to that of the feed on a mass flow basis .Determine the number of ideal stages using the McCabe-Smith method. kg solute/kg solution kg solution/kg TiO2 0.0 0.30 0.2 0.34 0.4 0.38 0.6 0.42

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The decomposition reaction of atmospheric peroxyacetylnitrate (PAN) to products was studied, and the following rates were obtained. Temperature, °C Rate constant, s 1 0.00 5.60 x 10-6 10.0 3.20 x 10-5 20.0 1.60 × 10-4 30.0 7.60 x 10-4 43. Fit this data into the Arrhenius equation. Give the values of the following: Slope = [ Select] y-intercept = [Select] %3D