Processing of solid mixed waste containing radioactive and hazardous materials

Patent · Tue May 12 00:00:00 EDT 1998

OSTI ID:871539

Gotovchikov, Vitaly T ^[1]; Ivanov, Alexander V ^[1]; Filippov, Eugene A ^[1]

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1. Moscow, RU

Apparatus for the continuous heating and melting of a solid mixed waste bearing radioactive and hazardous materials to form separate metallic, slag and gaseous phases for producing compact forms of the waste material to facilitate disposal includes a copper split water-cooled (cold) crucible as a reaction vessel for receiving the waste material. The waste material is heated by means of the combination of a plasma torch directed into the open upper portion of the cold crucible and an electromagnetic flux produced by induction coils disposed about the crucible which is transparent to electromagnetic fields. A metallic phase of the waste material is formed in a lower portion of the crucible and is removed in the form of a compact ingot suitable for recycling and further processing. A glass-like, non-metallic slag phase containing radioactive elements is also formed in the crucible and flows out of the open upper portion of the crucible into a slag ingot mold for disposal. The decomposition products of the organic and toxic materials are incinerated and converted to environmentally safe gases in the melter.

• Assignee: Institute of Chemical Technology (PlasTech) (Moscow, RU)
• Patent Number(s): US 5750822
• Application Number: 08/557,961
• OSTI ID: 871539
• Country of Publication: United States
• Language: English

Related Subjects

processing
solid
mixed
waste
containing
radioactive
hazardous
materials
apparatus
continuous
heating
melting
bearing
form
separate
metallic
slag
gaseous
phases
producing
compact
forms
material
facilitate
disposal
copper
split
water-cooled
cold
crucible
reaction
vessel
receiving
heated
means
combination
plasma
torch
directed
upper
portion
electromagnetic
flux
produced
induction
coils
disposed
transparent
fields
phase
formed
removed
ingot
suitable
recycling
glass-like
non-metallic
elements
flows
mold
decomposition
products
organic
toxic
incinerated
converted
environmentally
safe
gases
melter
metallic phase
toxic materials
decomposition products
flux produced
hazardous material
electromagnetic fields
mixed waste
induction coil
environmentally safe
phase containing
electromagnetic field
magnetic flux
waste material
magnetic field
magnetic fields
upper portion
reaction vessel
plasma torch
hazardous materials
gaseous phase
waste containing
active element
containing radioactive
radioactive elements
separate metallic
active elements
solid mixed
induction coils
continuous heating
coils disposed
facilitate disposal
waste bearing
form separate
gaseous phases
separate metal
radioactive element
bearing radioactive
/588/110/219/