Solidification keeps gaining stature as a key tool for remediating hazardous wastes. The technique consists of entrapping the wastes within a solid matrix having high structural integrity, which minimizes the risk of escape by leaching. To select, design or operate an effective solidification system, the engineer must be familiar with the numerous alternatives available. The wastes can be
... [Show full abstract] solidified in a variety of substances; and the solidification process can take place directly within a drum, in-situ within the ground, in a mobile or fixed treatment plant, or spread out over a disposal area. Process details, advantages and disadvantages of these options are discussed in this article.