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Dealing with Pulp and Paper Plant’s Chest Damage with Chesterton ARC!

Intro

Chesterton products – Chesterton ARC Industrial Coatings

Chesterton

 

 

A pulp and paper customer was dealing with damage within a chest caused by falling concrete pieces. Due to the need to add hydrochloric acid to regulate pH levels, the mortar wall within was being damaged. Chesterton experts recommended the Chesterton ARC 791 Industrial Coating, a highly chemical resistant coating that can bond to damp concrete. After eight years, the results speak for themselves, and the customer chose to apply more of the product to other areas of the plant.

Products featured in this case study:

Chesterton ARC 791

Challenge

Issue
The inside mortar surface of a chest has been damaged with concrete pieces falling into the paper roll, damaging the roll.

Root Cause
The mortar is being damaged by the addition of hydrochloric acid to regulate the pH in the chest.

Goal
The customer requires a solution to prevent damage to the mortar and prevent the occurrence of contamination, extending MTBF (mean time before failure).

Before coating.

Solution

FRP and other methods were not adopted because they were expensive, and a partial repair was not possible.

After cleaning brittle mortar from the chest walls with a high-pressure water, the Chesterton team applied ARC 791 Industrial Coating, four system test kit, to a 16 m2 test surface in August 2013.

ARC 791
100% solids, high-build, quartz (SiO2) reinforced, highly chemically resistant, modified epoxy coating that can bond to damp concrete.

ARC 791 industrial coating is designed to:

  • Resurface concrete damaged by chemical attack or
    mechanical stress
  • Replace acid resistant tiles, epoxy mortars, fiberglass,
    and conventional overlayments
  • Bond to damp concrete, making substrate
    impermeable for aggressive chemicals
  • Apply to vertical substrates at nominal dft of 6 mm
    (240 mils) using ARC 797 primer
  • Easily apply by trowel

Chesterton ARC 791

Results

Client Reported
After 8 years, an inspection revealed that the test area was unaffected however, the remaining areas were further damaged. The customer decided to coat the entire chest in May 2021 using Chesterton ARC 791. The customer is very satisfied with the result and will continue to use Chesterton Industrial Coating ARC 791 in other chests in the future

ROI
Cleaning cost savings = USD 10,000/year ($14,000 AUD/year)

2013 compared to 2021.

About Us

Chesterton

Chesterton® is a world leader in helping process industry companies and manufacturers improve the reliability and efficiency of their rotating, stationary, and fluid power equipment platforms. We are known across a wide range of industries for our award-winning pump and valve sealing solutions, applications expertise, equipment maintenance and wear-prevention products, and knowledgeable hands-on local service​.

® Registered trademark owned by A.W. Chesterton Company

Issued 07/21

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