There is a new plasma incinerator that can burn a lot of stuff regular incinerators couldn’t - and break the stuff down to a molecular level, reducing the toxic fumes produced by regular incinerators.
http://www.recoveredenergy.com/faq.html#how
Instead of landfilling or incinerating MSW, this new facility, using a Plasma Gasification process, converts all types of waste streams (gas, liquid or solid) into a fuel gas composed primarily of carbon monoxide, hydrogen, nitrogen and water. This fuel gas is then used to generate electrical power. The process is very efficient. 99.9% of the waste that is input into the system is converted to energy or other salable products. Typical gasification or incineration plants generate up to 30% residual waste that must be hauled to a landfill. The Thermal Transformation process uses a high temperature (up to 8,000 degrees Fahrenheit.) plasma arc technology to "gasify" carbon based materials into an energy rich fuel gas with a BTU value about 1/3 that of natural gas. The fuel gas is then cleaned and cooled so that it can be used in a gas turbine to generate electricity. Non carbon based material is primarily transformed into vitrified glass or recyclable metal.
There is an incinerator on the outskirts of a city 20 miles away from me that burns up virtually everything, and generates electricity while doing so. I don’t know what kind it is, but folks show up with their pickup truck loads of crap, and dump it at the facility. The facility makes money from the dump charges and makes money from the electricity they generate.