Table of Contents

Cover Page

Abstract

1. Introduction.

2. Marsh Furukawa

   • 2.1. Water Quality of Marsh Furukawa

   • 2.2. Analysis of Bottom Sediments

   • 2.3. Bottom Sediments Volume

   • 2.4. Pollution Mechanism of Marsh Furukawa

3. Testing Facility

   • 3.1. Testing Equipment

   • 3.2. Test Operation

4. Test Results

   • 4.1.Sluge Concentration

   • 4.2. Water Quality Tests

   • 4.3. Consideration of Sludge Concentration and Water Quality Tests

   • 4.4. Changes in Sludge Composition

     • 4.4.1 Reduction Tendency of the Bottom Sediments Volume

     • 4.4.2 Changes in the Composition of the Bottom Sediments

   • 4.5. Release Test

     • 4.5.1. Test method

     • 4.5.2.Test substance

     • 4.5.3.Test equipment outline

     • 4.5.4.Changes of water quality in the release test shown on Table 4.9 and 4.10.

   • 4.6.Gas Generation Test

5. Conclusion

   • 5.1. Improved Bottom Sediments

   • 5.2. Volume Reduction of the Bottom sediments

   • 5.3. Odor

   • 5.4. Spillwater treatments

   • 5.5. Prospects

6. Closure

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