2012 - Europe Direct Iasi
2012 - Europe Direct Iasi
2012 - Europe Direct Iasi
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EUROINVENT <strong>2012</strong><br />
organic system as a homogeneous mixture dispersed in<br />
isopropyl or isoanyl alcohol, which contains 12...15%<br />
propolis, 5...10% coniferous tree resin or saponified<br />
colophony, 1.5...3% lyophilized oak tannin and 3...5%<br />
polyethylene glycol of the PEG-1000 type.<br />
9.4.<br />
Process for water purification from hydrogen sulphide and<br />
Title<br />
sulphides<br />
RUSU Vasile, NASTAS Raisa, MAFTULEAC Alexei,<br />
Authors<br />
PANIŞ Aliona, LUPAŞCU Tudor<br />
Institution Academy of Sciences of Moldova, Institute of Chemistry<br />
Patent no. MD 4142 B1 2011.12.31<br />
The invention relates to a process for water purification<br />
from hydrogen sulphide and sulphides and may be used in<br />
communal farms, fish breeding enterprises, public<br />
Description aquariums, autonomous filters, as well as for purification<br />
of ground waters.<br />
The process consists in the use of modified diatomite,<br />
obtained by pre-treatment of diatomite with excess of 30%<br />
MnCl2 solution at determined conditions.<br />
9.5.<br />
Title Inhibitor of steel corrosion in water<br />
Authors<br />
LOZAN Vasile, PARŞUTIN Vladimir, ŞOLTOIAN<br />
Nicolae, CERNÎŞEVA Natalia, COVALI Alexandr,<br />
Institution Academy of Sciences of Moldova, Institute of Chemistry<br />
Patent no. MD 359 Z 2011.11.30<br />
The invention relates to the field of protection of metals<br />
from corrosion in water and can be used for inhibition of<br />
steel corrosion in closed pipeline systems. Adipic acid<br />
dihydrazide with the formula:<br />
Description<br />
is used as an inhibitor of steel corrosion in water at a<br />
concentration of 0.05...1.00 g/L. The result is a significant<br />
reduction of corrosion losses and increase of the life of<br />
pipelines.<br />
Class 9<br />
137