2011 - Europe Direct Iasi
2011 - Europe Direct Iasi
2011 - Europe Direct Iasi
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EUROINVENT <strong>2011</strong><br />
limits of the extraction procedure. The main advantage of this<br />
procedure is that allows the selective separation of gold(III)<br />
from wastes by a eco-friendly method which has acceptable<br />
costs of implementation and exploitation. The procedure<br />
described in this invention includes methodological details<br />
for each work step and applicability limits for gold extraction<br />
from electric wastes.<br />
R.35.<br />
Title DrinkWarmer<br />
Authors Doca Victor-Silviu<br />
Institution “Mircea cel Bătrân” National College Constanta<br />
Description<br />
The device is intended for heating a beverage by<br />
exothermically dissolving calcium chloride in water in<br />
optimal quantities. The device consists of two cups (a<br />
bigger one, made of plastic, and a smaller one, made of<br />
aluminum) placed one in another. The small cup is filled<br />
with the desired drink. The space between the cups is<br />
separated into two compartments (one for water and one<br />
for CaCl2) by two perforated plastic lamellas, one fixed<br />
and one mobile. By pressing a button underneath the<br />
device, the mobile lamella rises and the lamellas’ holes<br />
overlap, so the water enters the space with CaCl2 and the<br />
drink warming begins. The device has a lid with which<br />
can be covered and can be taken anywhere.<br />
Innovative Researches<br />
160
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