De dietrich DD 3009 GLASS BROCHURE
DD 3009 GLASS
EFFICIENCY
PROVED BY TIME
EQUIPMENT, SYSTEMS, SERVICES
DD 3009 GLASS
Glass-lined steel is mandatory when
service conditions of the process are
particularly difficult. With the DD 3009
glass, De Dietrich® offers an excellent resistance to corrosion, abrasion,
mechanical and thermal shocks.
To increase productivity or to succeed
in new syntheses, the chemical industry continually extends the limits of its
processes: higher temperatures, lower
temperatures, higher pressures, higher
concentrations. This trend is possible
only if at the same time the chemical
and mechanical resistances of the
glass that protects vessels, tanks and
parts follow these requirements.
This is the reason why De Dietrich® has
always invested in research and development of new glass formulas with
greater capabilities. The result of our
ongoing research enabled us to offer
the DD 3009 glass. The formulation
of this multipurpose glass gives the
optimum properties of chemical resistance to acidic and alkaline mediums,
of mechanical resistance to shocks
and abrasion, of easy cleaning and
anti-adhesion.
Across the world, all De Dietrich®
plants apply the same quality of glass,
the production of which is centralized
in France. During the preparation
of each batch of DD 3009 glass,
numerous tests assure us a perfect
and reproducible quality, suppressing
any risk of production defect. Thanks
to su ch rig orous contr ol, we can
confidently state that, at De Dietrich®,
“Quality” is an everyday occurrence.
Monitoring R&D and production of
our own glass in for De Dietrich® an
emblem of quality, of competence, of
independence.
ONE GLASS
WITH OPTIMUM QUALITY
DD 3009, ONE GLASS WITH OPTIMUM
QUALITY FOR ALL PRODUCTS ALL
OVER THE WORLD:
• HIGHLY CORROSIVE PROCESSES
• MULTIPURPOSE MATERIAL /
VARIETY OF USES
• ADAPTED TO
MENTS, CLEANING, CLEANLINESS,
STERILIZATION
• IMPERVIOUS: NO CATALYTIC
EFFECT, NO CONTAMINATION
• ANTI-ADHESIVE: POLYMERIZATION
PROCESSES
cGMP REQUIRE-
ONE GLASS WITH
OPTIMUM QUALITY ALL
OVER THE WORLD
CHEMICAL PROPERTIES
190
180
170
160
150
140
130
120
110
10 40 60
°C
20 30 50 70
HNO
3
Weight %
0.2 mm/year
0.1 mm/year
210
200
190
180
170
160
150
140
130
10 40 60
0.2 mm/year
°C
20 30 50 70 80
H2SO
4
Weight %
0.1 mm/year
180
170
160
150
140
130
120
110
10 20 30
Weight %
°C
HCI
0.2 mm/year
0.1 mm/year
190
180
170
160
150
140
130
120
110
10 40 60
Weight %
°C
20 30 50 70 80
H3PO
4
0.2 mm/year
0.1 mm/year
230
220
210
200
190
180
170
160
140
10 40 60
0.2 mm/year
°C
20 30 50 70 80
CH3COOH
90 100
0.1 mm/year
Weight %
RESISTANCE TO ACIDS
Generally, DD 3009 glass has a high
degree of resistance to acids whatever
their concentration, up to relatively
high temperatures. For most of the
inorganic acids, the resistance of the
glass passes through a minimum for a
concentration of 20-30% weight, then
increases with the acid concentration.
For example, the 0.1 mm/year rate is
found at 128°C in H2SO4 30% and at
180°C in H2SO4 60%. Exceptionally,
in the case of phosphoric acid, the
speed of attack increases with the
concentration: 0.1 mm/year at 163°C
for 10% concentration and at 112°C for
70% concentration.
Hy dro flu ori c ac id c omp let ely and
quickly dissolves the glass whatever
the temperature is. Its concentration in
the product must not exceed 0.002%
(20 ppm).
RESISTANCE
TO ORGANIC SUBSTANCES
Chemical attack is very low in organic
substances. If water is given off during
the reaction, the rate of attack will
depend on the amount of water in the
solution. In the case of 0.1N sodium
hydroxide in anhydrous alcohol at
ISOCORROSION CURVES
OUR ISOC ORROSION CURVES ARE ESTABLISHED FOR MOST CURRENT PRODUCTS. THEY
SHO W AS A FUNCTION OF PRODUCT CONCENTRATION THE TEMPERATURES AT WHICH
THE WEIG HT LOSSES CORRESPOND TO 0.1 AND 0.2 MM/YEAR.
TH E USE OF GLASS IS NOT ADVISABLE
CA RE MU ST BE TAKEN OF THE ADVANCE OF THE CORROSION
GL ASS C AN BE USED WITHOUT PROBLEMS
ALL THE TEST HAVE B EEN PERFORMED IN TANTALUM LINED REACTORS AND USING A
RATIO VOLUME OF P RODUC T / SURFACE OF ENAMEL (V/S) > 20 TO AVOID THE INHIBI
TIO N OF THE ATTACK BY D ISSOLVED SILIC A.
80°C, the rate of attack is virtually nil.
In methanol, there has to be more than
10% water before the loss of weight can
be measured, whereas in ethanol with
5% water, the weight loss is already half
of what it is in aqueous solution.
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