2012 - Europe Direct Iasi

EUROINVENT 2012
1.6.
Method of recovering lead from sulfate paste of recycled
Title
batteries
Authors Vasile HOTEA
Institution Tech Univ Cluj Napoca, North Univ Center of Baia Mare
Patent no. Patent RO 119711 B1/28.02.2005
1. The invention relates to a procedure of lead recovering
from sulphate paste of recycled batteries by treating with an
alcaline solution, at weight liquid-solid ratio of 6:1. The
resulted solution is subjected to re precipitation with
Description
sulphuric acid, and resulted PbSO4 is dissolved in
ammoniacal environment, at 60 0 C, it is processed in tribasic
lead sulphate. and tribasic lead sulfate widely used as basic
lead sulfate for the stabilization of PVC polymers.
1.7.
Integrated Process for capture of sulfur dioxide and carbon
Title
dioxide in the flue gases
Authors Vasile HOTEA
Institution Tech Univ Cluj Napoca, North Univ Center of Baia Mare
Patent no. Patent application 00382 / 2010
The patent relates to a process for capture of sulfur dioxide
and carbon dioxide in the flue gas. According to the
invention that gases is are treated in a first step with sodium
carbonate solution for SO2 absorption with chemical reaction
Description
followed by CO2 adsorption zeolitic tuff. The plant
according to the patent consists essentially of a centrifugal
scrubber (1) buffer solution of Na2CO3 (2), filter zeolite (6)
and a rotating crystal tilt (5).
1.8.
Title
The chemical absorption of carbon dioxide capture from
waste gases
Authors Vasile HOTEA, Gabriel BADESCU, Jozsef JUHASZ
Institution Tech Univ Cluj Napoca, North Univ Center of Baia Mare
Patent no. RO Patent application a 00410 / 2011
This patent application relates to a process for capture of
Description
carbon dioxide from waste gases. The process, the invention
consists in a first step in treating waste gases counter with an
aqueous solution of 2M sodium carbonate and potassium by
Class 1
41