Deposit control
Malina CLARIS
An oil-soluble cleaning fluid that dissolves existing varnish off internal surfaces and holds it in solution until filtration removes it. Runs live, at treat rate, without an outage.
Malina Nig Ltd · Lagos, Nigeria
Clean the oil. Clean the fuel. Keep the plant running.
Oil and fuel do not fail because they run out. They fail because they oxidise, pick up water and particles, and lay down deposits on the surfaces that need them most. Malina measures what is actually in your systems, cleans it, and sources what the data says you need.
2×
Typical oil-life extension on systems held inside condition limits.
<15ΔE
Varnish potential we target after deposit control, measured to ASTM D7843.
72hrs
Turnaround on a full oil-condition panel, sample to signed report.
24/7
Standby response for critical rotating equipment nationwide.
01. The limits
Every decision we make is a number against a limit.
These are the published condition limits a turbine or hydraulic charge is held to. The green line is the one that matters: cross it and the fluid has left normal service. No reading is plotted here, yours comes from your own sample.
Varnish potential
MPC · ASTM D7843
< 15 ΔE
Oxidative life left
RPVOT · ASTM D2272
> 50 %
Cleanliness code
ISO 4406
16/14/11
Water content
Karl Fischer · ASTM D6304
< 150 ppm
Viscosity change
ASTM D445
± 5 %
Acid number rise
ASTM D664
< 0.1
Normal
Caution
Alarm
Normal limit
Bands drawn to scale · OEM manual and system baseline take precedence
02. The failure nobody schedules
Varnish is a deposit problem long before it is an oil problem.
Thermal and oxidative stress breaks a lubricant down into degradation products. They stay dissolved while the oil is hot, then drop out on cool surfaces, servo valves, bearing journals, coolers, filters. By the time a unit trips, the deposit has been building for months.
What it actually costs you
- Servo and control valves sticking, causing unplanned turbine trips and slow starts.
- Bearing temperatures climbing as deposit insulates the surfaces it coats.
- Heat exchangers and filters fouling, so cooling capacity and filter life both fall.
- Premature oil changes, a full turbine charge dumped and replaced while still serviceable.
- Disposal of thousands of litres of used oil that was never chemically exhausted.
Every one of those symptoms is measurable before it becomes an outage. That measurement is where a Malina programme starts.
03. The divisions
Four divisions, one measurement discipline.
Oil and lubrication, fuel management, laboratory analysis, and technical procurement. Each stands alone. Run together they compound, the laboratory sets the intervention, and procurement makes sure what arrives on site is what the data called for.
Division 01
Oil & lubrication
Condition monitoring, varnish and contamination control, additive replenishment and reliability consulting for turbine, hydraulic, compressor and gearbox systems.
The OilCycle programmeDivision 02
Fuel management
Fuel polishing and conditioning, tank cleaning, water and microbial control, and stored-fuel quality programmes for standby generation and process plant.
Fuel managementDivision 03
Oil & fuel analysis
Sampling programmes and laboratory testing to published ASTM and ISO methods, trended against system-specific limits, with a named engineer on every report.
Analysis & laboratoryDivision 04
Technical procurement
Specification, cross-referencing, vendor qualification and sourcing of lubricants, filtration hardware, instrumentation and spares, with the paperwork to prove origin.
Technical procurement04. Products
Chemistry and hardware, specified to the system in front of you.
Nothing here is sold blind. Every product is dosed or sized against a current oil analysis, and re-measured after commissioning.
Additive replenishment
Malina REVIVE AO
An antioxidant and anti-wear package that rebuilds depleted additive chemistry in turbine, hydraulic and compressor oils, dosed to the RPVOT and RULER shortfall we measure.
Filtration skids
Malina PUREFLOW
Kidney-loop purification carts and skids combining depth filtration, electrostatic deposit capture and vacuum dehydration. Sized to reservoir volume and installed live.
Monitoring
Malina SENTRY
A scheduled sampling programme with a fixed test slate, trended limits and a named engineer, plus optional inline sensors for water activity, particle count and dielectric shift.
Dehydration
Malina HYDROGUARD
Vacuum and coalescing dehydration units for systems carrying free or emulsified water, plus desiccant breathers that stop humid air entering the reservoir in the first place.
Lubricants
Malina TURBOSHIELD 32 / 46
Deposit-resistant turbine and hydraulic oils for new fills and full charge-outs, supplied with a baseline analysis certificate so trending starts from day one.
05. Industries
Wherever a bearing turns under load.
06. Results
What the numbers look like when the programme runs.
Each engagement closes with a signed report: the condition data before, the intervention, and the condition data after.
Power generation · Gas turbine
42 → 11MPC ΔE, 90 days
Varnish cleared without a charge-out
A 2 500 litre turbine lube system running in the alarm band for varnish potential was brought back inside limits with live deposit-control dosing and kidney-loop filtration.
Oil & gas · Hydraulic power unit
18 → 3Valve faults per year
Servo valve sticking eliminated
Repeat sticking on directional control valves traced to soft deposit and water ingress. Dehydration plus desiccant breathers on the reservoir removed the cause rather than the symptom.
Manufacturing · Compressor fleet
4 yrsCharge life, still in service
Drain intervals replaced by condition limits
A fixed-calendar oil change schedule across a compressor fleet was replaced with condition-based change-out. Charges are now replaced on measured data, not on the calendar.
08. Why Malina
Nigerian plants, Nigerian conditions.
Humidity, dust load, grid instability and long lead times on imported spares all shorten lubricant life in ways a European service interval never accounts for. Malina Nig Ltd is registered with the Corporate Affairs Commission and operates from Lagos with field capability in the Niger Delta, so the response to a varnish alarm is measured in days, not shipping weeks.
- Local stock of deposit-control fluid and filtration consumables.
- Field engineers who commission on your site, not over email.
- Reports written against ISO 4406, ASTM D7843, D2272 and D445, not vendor-private scores.
- Full transparency on what we cannot fix chemically and needs mechanical repair.
The cheapest litre of turbine oil on any site is the litre already in the reservoir. Our job is to prove it is still fit for service, and to make it so when it is not.
Start with the data
Book an oil audit on your most critical system.
One reservoir, one sample, one report. If the oil is fit for service we will tell you that and there is nothing to sell.