Solution
Protect the System That Keeps Production Moving.
Water quality affects boiler efficiency, equipment life, maintenance and operational reliability. C-Water integrates treatment chemistry, monitoring and control around the boiler-water cycle.
01Why It Matters
Boiler & Steam
A boiler concentrates its feedwater by design: water leaves as steam and everything dissolved in it stays behind. That makes the boiler the least forgiving component in most utility systems. Deposits form on the highest-heat-flux surfaces, where they impede heat transfer and can raise tube metal temperature. Corrosion in the condensate return is often invisible until the returned iron shows up in the boiler itself.
02Common Problems
What Goes Wrong.
Deposits on heat-transfer surfaces
Hardness and iron entering with the feedwater deposit where heat flux is highest, insulating the tube from the water that is supposed to be cooling it.
Dissolved oxygen corrosion
Oxygen carried in with the make-up attacks the feedwater system and the boiler itself, typically as pitting rather than uniform loss.
Condensate line corrosion
Carbon dioxide released in the boiler forms carbonic acid when the steam condenses, thinning return lines and carrying iron back to the boiler.
Carryover
High dissolved solids or poor drum conditions allow boiler water to carry over into the steam, contaminating the process and depositing in the steam system.
Blowdown losses
Every unit of blowdown discharges water that has been softened, deaerated, chemically treated and heated to saturation. Blowdown is a thermal loss as much as a water loss.
Manual blowdown control
Blowdown on a fixed schedule is either wasting energy or allowing dissolved solids to climb. Only a measured value can hold the correct level.
03Operational Risks
What It Costs the Operation.
Tube failure
Under-deposit overheating and oxygen pitting are the two most common causes of boiler tube damage.
Higher fuel consumption
Insulating deposits and excessive blowdown both increase the fuel needed for the same steam output.
Interrupted steam supply
For most process plants the boiler is a single point of failure for production.
Inspection and compliance findings
Internal condition is examined at statutory inspection, and deposits or corrosion become a documented problem.
04The C-Water Approach
How We Work the Problem.
- 01
Protect the feedwater
Softening, filtration and deaeration are assessed first — chemistry cannot economically correct a make-up problem that should have been removed upstream.
- 02
Internal treatment
Oxygen scavenging, deposit control and alkalinity management are selected for the operating pressure and the actual feedwater quality.
- 03
Treat the return
Condensate protection keeps returned water usable and stops the return line becoming the boiler’s iron source.
- 04
Control blowdown
Conductivity-controlled blowdown holds dissolved solids at the specified limit without discharging more heat than necessary.
- 05
Verify and record
Routine testing against the programme’s control limits, logged, so drift is visible before it becomes damage.
05Technology Stack
The System, Stage by Stage.
Each stage changes what the next one has to deal with. This is the sequence C-Water engineers around.
- 01
Make-Up Water
Softened and filtered
- 02
Feedwater
Deaerated and treated
Kurita Europe - 03
Boiler
Concentration occurs
- 04
Steam
Delivered to process
- 05
Condensate
Protected from CO₂
- 06
Return
Recovered to feedwater
- 07
Blowdown Control
By conductivity
Walchem
Technology Stack
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Let’s Talk About Your System.
Tell us the operating conditions and what you are seeing. We will confirm the water chemistry before recommending anything.