Effects of Particle Size and Contact Time on the Reliability of Toxicity Characteristic Leaching Procedure for Solidified/Stabilized Waste
✍ Scribed by Michael A. Janusa; Jeffrey C. Bourgeois; Grant E. Heard; Nicole M. Kliebert; April A. Landry
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- English
- Weight
- 150 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0026-265X
No coin nor oath required. For personal study only.
✦ Synopsis
Inconsistency in leaching results using the Toxicity Characteristic Leaching Procedure (TCLP) indicates that the procedure should contain specific guidance with respect to the following parameters: (1) minimum particle size, (2) contact time limit between leachant and waste. Experimental data show that there is approximately a 50% decrease in the amount of waste leached when a minimum particle size of 8 mm is applied. Results indicate that as the contact time between leachant and waste increases, the amount of waste leached increases drastically. The results suggest that restrictions should be set on these two parameters for TCLP results to be reliable and comparable for solidified/ stabilized waste.