Historically, solid waste landfills have been the preferred method of waste disposal due to their hands off approach, simplicity, low cost & acceptance of a variety of wastes.
However, landfill disposal regulations have increased to reduce landfill waste, environmental impacts & health concerns, including:
In some cases, these concerns eliminate landfilling as a waste disposal option.
In other cases, where landfills accept these waste streams, stricter specifications or higher costs are more common. To reduce costs & adhere to regulations, thin film evaporation & drying have been utilized to drastically reduce the mass & hazardous content of waste streams.