The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 03, 2015
Filed:
Jul. 07, 2010
Giacomo Fernando Rispoli, Rome, IT;
Felicia Massetti, Capalbio Scalo, IT;
Michelangelo D'abbieri, Rome, IT;
Medardo Pinti, Rome, IT;
Maria Ilaria Pistelli, Tarquinia, IT;
Giacomo Fernando Rispoli, Rome, IT;
Felicia Massetti, Capalbio Scalo, IT;
Michelangelo D'Abbieri, Rome, IT;
Medardo Pinti, Rome, IT;
Maria Ilaria Pistelli, Tarquinia, IT;
ENI S.p.A., Rome, IT;
Abstract
A continuous process for the thermal treatment of a refinery sludge, comprising the following operations: a. drying of the refinery sludge, possibly mixed with pet-coke, at a temperature ranging from 110 to 120° C.; b. gasification of the dried sludge, at a temperature ranging from 750 to 950° C., for a time of 30 to 60 minutes, in the presence of a gas containing oxygen and water vapour, with the associated production of synthesis gas (CO+H) and a solid residue; c. combustion of the synthesis gas at a temperature ranging from 850 to 1,200° C. and recycling of the combustion products for the drying and gasification phases; and d. inertization of the solid residue, at a temperature ranging from 1,300 to 1,500° C., by vitrification with plasma torches.