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Case Studies

ANGARA’s solution creates value for its clients through shorter breaks in operations and higher equipment performance as an end result.
Oil refinery 280 kbbl/d
The plate heat exchanger at CDU, with tar at the hot side and crude oil at the cold side. The volume is 0.6 m3 each side. Deposits at both sides are products of thermal destruction of crude oil and tar, crude oil coke and pyrocoke. Deposit thickness is 2 mm.
Nelson index 10.0
9°C -> 65°C
temperature difference changed at hot side
42°C -> 70°C
temperature difference changed at cool side
17.5 MT
additionally saved fuel per one fouled heat exchanger
8 hours
of cleaning
Top-5 petrochemical company
Providing products and supervision for the cleaning of shell and tube heat exchanger at a reformer unit.
South East Asia
Refinery 150 Kb/d
heat transfer coefficient increase
We removed fouling chemically which was previously removed mechanically only
Nelson index 10.17
Top-10 oil company
Cleaning of 26 Plate Heat exchangers, the entire preheat train of the atmospheric distillation unit.
Refinery 480 Kb/d
45 - 84%
pressure drop reduction
Nelson index 9.5
30 ̊C
Atmospheric residue exit temperature reduction
Top-10 oil company
Cleaning of 10 spiral heat exchangers at bitumen production unit in winter at the ambient temperature of -21 C.
Refinery 480 Kb/d
25 °C
temperature gradient increase
Nelson index 9.5
20 hours
less cleaning time
Top-10 oil company
Chemical steaming for decontamination of furnace air heaters
Refinery 480 Kb/d
of fouling was removed
Nelson index 9.5
heat transfer efficiency increase
One of the Large Refinery oil companies
Shell and tube cooler at the n-butane production of gas.
Refinery 250 Kb/d
times faster than regular cleaning
Nelson index 7.3
0.9°C -> 39°C
dT increase
extra margin per that job
Oil Refining Company
Cleaning of a quench water reboiler of an ethane dehydrogenation unit.
Oil rig
Angara developed a more efficient solution, matching the high standards for offshore applications.
This chemistry was used for successful ultrasonic cleaning at the offshore oil rig.
Oil Refining Company
Cleaning of quench water reboiler of ethane dehydrogenation unit
Petrochemical plant
liters of foulants were removed
Free volume increase from 3%
to 83,9%
One of the largest fertilizer producer
Cleaning of 6 titanium shell-and-tube heat exchanger at production of potassium chloride
Potash plant
Angara cleaned heat exchangers 7 times faster than by existing method
Cognitive Cleaning technology is applicable in various industries.
We tailor our solution for every client.
Contact us to get more information