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Treatment of Mixed Wastes via Fixed Bed Gasification. 
Final Report: September 30, 1996 July 30, 1998.

ChemChar Research Inc.

In this pdf format, this document has 33 pages and is 1.69 MB.

Table of Contents

Abstract

2

Executive Summary

3

Introduction

3

Purpose

3

Background

3

Methodology

3

Results, Conclusions, and Discussion

4

1.

Introduction

5

2.

Purpose

6

3.

Statement of Cooperation

6

3.1

Task 1:  Modification and Shakedown of a Laboratory-Scale Gasifier

6

3.2

Task 2:  Test Program for the Treatment of Surrogate Waters by the ChemChar Process

7

3.3

Task 3:  Characterization of the Solid Product from the ChemChar Process

7

3.4

Task 4:  Analysis of the Process

7

3.5

Task 5:  Final Report

8

4.

Background

8

4.1

Advantages of Gasification for Hazardous Waste Treatment

8

4.2

Principles of Gasification

9

4.3

ChemChar Gasification

10

5.

Methodology

14

5.1

Modification and Shakedown of a Sub Pilot Scale Gasifier

14

5.2

Modification of Gasifier

14

5.2.1

Primary Gasifier Shakedown

18

 

5.2.1.1

Char Preparation and Characterization

18

5.3

Waste Selection and Preparation

20

5.4

Calibration of Monitors and Controllers

21

5.5

Ignition Preparation and Procedure

21

5.6

Run Checklist

21

5.7

Typical Run

21

6.

Experimental

23

6.1

Characterization of Product

23

6.2

RCRA Organics Analysis

24

6.3

RCRA Metals and Radionuclide Surrogates Analysis

24

6.4

Atomic Absorption and Atomic Emission Analysis

25

6.5

Neutron Activation Analysis

25

6.6

Bulk Product Gas Analysis

26

7.

Results, Conclusions, and Discussion

26

7.1

Solid Product Flow Rates

26

7.2

RCRA Organic Distribution and DRE

26

7.3

RCRA Metals and Radionuclide Surrogate Partitioning

29

7.4

Temperature Profiles

30

7.5

Product gas flow rates and composition

31

7.6

Conclusions

32

8.

References

32