Passivation and Cleaning for Beverage Processing Equipment in India

Breweries, distilleries, dairy-drink, and soft-drink plants need stainless steel that stays clean and free of biofilm. We inspect, clean, derouge, descale, polish, and passivate tanks, fermenters, and filling lines on-site, using safe citric acid based CitriSurf technology, aligned to USFDA, HACCP, GFSI, FSSAI, and BIS requirements.

Beverage processing equipment requiring passivation treatment

Why does beverage equipment need cleaning and passivation?

Beverage plants run wet, warm, and sugar-rich processes, which is exactly what biofilm and corrosion like. If stainless steel is not kept clean and well-passivated, deposits and rouge can build up in tanks, fermenters, and lines, affecting product taste, safety, and shelf life. Cleaning removes residue and biofilm, and passivation rebuilds the protective layer, so your equipment stays hygienic and corrosion-free.

The Hygiene Stakes

The hygiene risk in beverage processing

Beverage processing carries real contamination risk, and food-safety standards keep getting stricter. Bacteria such as Listeria and E. coli are the kind of hazard a strong cleaning and sanitation program is built to prevent. If cleaning is treated as occasional rather than ongoing, product quality can suffer, which can lead to recalls. Clean, passivated stainless steel is a core part of keeping that risk down.

Trouble Spots

Where residue and rouge build up

Some parts of a beverage plant are harder to keep clean than others, and those are where problems start:

Fermenters and storage tanks
Transfer lines and valves
Heat exchangers, where residue can lodge in tight spaces
Filling and bottling lines

We reach the inner and outer surfaces of this equipment, so cleaning and passivation are done properly, not just where it is easy to get to.

What We Do for Beverage

Our services for beverage plants

We handle the full surface treatment cycle for beverage equipment, on-site, with controlled temperature, flow, and pressure so the work is consistent across tanks, fermenters, and lines. We also advise on the right procedure to maintain each surface, so the fix holds.

Inspection & Monitoring

Imported, calibrated instruments find what is actually wrong before anything is applied.

Cleaning (CIP/COP)

Remove residue, biofilm, and free iron from tanks and lines.

Derouging

Remove rouge from tanks and hot process lines.

Descaling

Remove scale, including after installation and on long-running systems.

Mechanical Polishing

On-site or at our premises, to repair and refinish the surface.

Electropolishing

Smooth, low-roughness surfaces that give biofilm less to hold on to.

Passivation

Rebuild the protective layer with citric acid based CitriSurf technology.

The right procedure to maintain it

Documented, so your team can hold the surface between visits.

Every job ends with an inspection report and the documentation your auditor asks for.

Where the Work Happens

On-site at your plant, or at our premises

Most beverage work happens where the equipment is. You pick whichever fits the job.

On-call at your site

Tanks, fermenters, heat exchangers, and filling lines are treated in place, around your production and shutdown schedule.

At our premises

Mechanical polishing and electropolishing can also be done at our premises when a part can be sent out, which suits valves, fittings, and smaller items.

The Benchmarks

Which standards apply to beverage equipment?

Beverage plants answer to two sets of rules: food safety standards that govern the product and the plant, and equipment design standards that govern the machinery itself. Both come back to surface condition, because a surface that cannot be cleaned cannot be proven safe.

Food safety and regulatory benchmarks

BenchmarkWhat it is
USFDAThe United States Food and Drug Administration, the US regulator whose rules cover food and beverage safety.
HACCPHazard Analysis and Critical Control Points, a food safety system that identifies hazards and sets control points.
GFSIThe Global Food Safety Initiative, a body that benchmarks food safety schemes.
FSSAIThe Food Safety and Standards Authority of India, India's food safety regulator.
BIS (IS 6913)BIS is India's national standards body. IS 6913 is the BIS standard referenced for this sector.

OEM and equipment design standards

StandardWhat it is
3-AA sanitary equipment design standard used for dairy and beverage equipment.
EHEDGThe European Hygienic Engineering and Design Group, which sets hygienic design guidance.

Surface treatment standards our work follows

StandardWhat it covers
ASTM A967Chemical passivation treatments for stainless steel parts
ASTM A380Cleaning, descaling, and passivation of stainless steel parts, equipment, and systems
AMS 2700Passivation of corrosion resistant steels
USFDAHACCPGFSIFSSAIBIS (IS 6913)3-AEHEDG
Compliance Support

How we help you achieve, monitor, and maintain compliance

Standards are not a one-time certificate. They are a condition you have to hold between audits. Our work is built around all three stages.

1Achieve

We inspect the surface first, then clean, derouge, descale, polish, and passivate to bring it to a condition that stands up to a food safety audit.

New equipment: cleaning and passivation before a new tank or line goes live flush out installation debris, fabrication residue, and free iron.

2Monitor

Our imported, calibrated instruments check surface condition on a set frequency, so you see rouge or residue returning before it reaches the product.

Every visit: closes with an inspection report.

3Maintain

We hand over the procedure to hold the surface, with immediate remedies for what we found and frequency-based remedies for what is likely to come back.

Your records: your team keeps the documentation your auditor asks for.

Our passivation uses CitriSurf 77 Plus, a citric acid based, US-origin liquid with a pH of approximately 1.6. It is applied direct with no dilution, by spray, immersion, or wiping, and comes in 20 liter and 200 liter pails. It meets ASTM A967, ASTM A380, ASTM B600, and AMS 2700, and helps customers comply with NSF, USDA, USFDA, EU, cGMP, and global food and pharmaceutical requirements.

Safe Chemistry

Safe, food-grade chemistry

We passivate with citric acid based chemistry rather than nitric acid, so we remove free iron and build a protective layer without the fumes or hazards of nitric acid. This keeps beverage-contact surfaces safe while improving corrosion resistance, and it supports the hygiene records your team keeps for audits.

In Short

Rouging Solutions provides inspection and monitoring, cleaning, derouging, descaling, mechanical polishing, electropolishing, and passivation for beverage processing equipment across India, including brewery, distillery, dairy-drink, and soft-drink stainless steel. Beverage plants run wet, warm processes where biofilm and rouge build up in tanks, fermenters, heat exchangers, and filling lines, so regular cleaning and citric acid based passivation keep surfaces hygienic and corrosion-resistant. The work supports the benchmarks beverage plants are held to, including USFDA, HACCP, GFSI, FSSAI, and BIS in India, alongside the 3-A and EHEDG hygienic equipment design standards. Passivation uses CitriSurf 77 Plus, a citric acid based liquid that meets ASTM A967, ASTM A380, ASTM B600, and AMS 2700. Service is available on-call at the customer's site and at Rouging's own premises, and each job closes with an inspection report.

Contact Us and Learn More

We are here to help! Request advice on your specific application or a quote on our products by filling in the form below.

Beverage Industry Passivation FAQs

Why does beverage equipment develop biofilm and rouge?

Which quality standards apply to a beverage plant?

The food safety benchmarks are USFDA, HACCP, GFSI, FSSAI, and BIS (IS 6913) in India. On the equipment side, 3-A and EHEDG cover hygienic design. Our surface treatment work follows ASTM A967, ASTM A380, and AMS 2700.

What is the difference between HACCP, GFSI, and FSSAI?

HACCP is a food safety system that finds hazards in your process and sets control points against them. GFSI is a body that benchmarks food safety schemes so buyers recognize them. FSSAI is Indias food safety regulator.

Why do 3-A and EHEDG matter for passivation?

Both are hygienic design standards for food and beverage equipment. They set expectations for surfaces that can be cleaned, and cleaning, polishing, and passivation are how a surface is brought to and held in that condition.

Do you offer mechanical polishing and electropolishing for beverage equipment?

Yes. Mechanical polishing repairs and refinishes the surface, and electropolishing gives a smooth, low-roughness finish that is easier to clean. Both can be done on-site or at our premises.

Do you work on-site at beverage plants across India?

Yes. We take on-call service at your plant, treating tanks, fermenters, heat exchangers, and filling lines in place with controlled temperature, flow, and pressure. Parts that can be sent out are handled at our premises.

Is your chemistry safe for beverage-contact surfaces?

Yes. We passivate with citric acid based, food-grade chemistry instead of hazardous nitric acid. CitriSurf 77 Plus helps customers comply with NSF, USDA, USFDA, EU, and cGMP food requirements.

Do you also remove rouge and scale from beverage equipment?

Yes. We derouge tanks and hot process lines, descale after installation and on long-running systems, then repassivate so the surface stays protected.