Rouging and Derouging: Stainless Steel Chemical Cleaning
by Neil Brook on May 21, 2024
Rouge is made up of a variety of iron oxides (rust). It is important that corrosion products (rust or rouge) are not present in your manufacturing and distribution systems, tanks or equipment.
Rouge: What is it?
by Neil Brook on May 7, 2024
Rouge is a common problem in pharmaceutical facilities, most often found in high-purity water and clean-steam systems fabricated in austenitic stainless steel.
Passivation Of Stainless Steel
by Neil Brook on April 8, 2024
Introduction There are many industries that demand high-purity systems in which they can manufacture their products (pharma, food, cosmetics, semi-conductor, etc.) or whose processes are carried out in hostile environments and need to be assured that their equipment is up to the task …
Preferred Pickling and Passivation Providers
by Neil Brook on March 20, 2024
INOX Passivation Ltd specialises in the onsite pickling and passivation of pipework and vessels by circulation, and the spray-pickling of large fabrications. This year (2020), we have pickled and passivated a 1.5 km pipeline for one of the worlds largest chemical producers, and comple …
Optimising Your Chilled Water / LPHW Loops
by Neil Brook on March 6, 2024
Many processes within your plant depend on effective chilled water and low-pressure hot-water (LPHW) systems. These are typically constructed from carbon steel pipework and circulate water / glycol with the addition of a corrosion inhibitor.
Dynamic Flushing
by Neil Brook on February 14, 2024
The photos show the debris we captured during the pre-commissioning flushing of a purified water system. (3” pipework, 35m3/hr flow-rate, 50 micron strainer).
Prevention of Contamination - Supplier Selection
by Neil Brook on June 16, 2020
Ordinarily, the main reason for having a chemical cleaning contractor on your site is to either remove a form of contamination from your equipment, or as part of a pre-commissioning activity to ensure your equipment is in optimal condition for service. It is therefore, of the utmost i …
Three Ways to Test the Surface Cleanliness of your Stainless Steel
by Neil Brook on April 29, 2020
Stainless steel gets its corrosion-resistant qualities from the chrome-oxide (passive) layer that forms spontaneously when it comes into contact with atmospheric oxygen. This protective layer is extremely thin and in order to fully form, the stainless surface must be thoroughly cleane …
BSSA Membership
by Neil Brook on January 29, 2020
Following on from last week’s registration with CHAS, we are now proud members of the British Stainless Steel Association (BSSA). “The BSSA provides marketing support, technical advice, information, training and education in all aspects of stainless steel. The primary objective of the …
Chas Accreditation
by Neil Brook on January 17, 2020
We are very pleased to kick off the New Year by being accredited with CHAS Premium.