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Solutions for Corrosion Prevention

in Municipal Wastewater

 

 

Your Challenge Our Business 

Climate change coupled with population growth result in wastewater becoming an increasingly critical
challenge for all water authorities. This growing sewer network create issues such as infrastructure damage, odour complaints and potential health an safety hazards. Within Australia, the cost of asset degradation due to sulphide-induced corrosion is estimated at around $100million per year.

 

Solve Challenges

The presence of Hydrogen Sulphide gas (H2S) gas can result in hazardous work environments, odour complaints and accelerated corrosion of sewer assets, pump station wells, discharge manholes and treatment plants.

Although different solutions are available to councils and water authorities that experience
sulphide (H2S) issues, many of these only mask the underlying problem and do not actually
remove the sulphur/sulphide molecules from the system.

Calix's ACTI-Mag™ (Magnesium Hydroxide Liquid) raises the sewer pH to a level that stops
the bacterial processes generating H2S, which helps reduce odour and minimise the extent of
corrosion throughout the sewerage network.

Increase Productivity on Tight Budgets

You can increase productivity while reducing your environmental and community footprint. Our product technology can reduce solid waste volume, minimise chemical costs and volumes, improve work health and safety and reduce maintenance costs.

For tight space constraints, we have low-impact solutions to maximize your performance while minimising disruption.

If you are working to a tight capital budget, we can engineer compact and efficient solutions that can be bolted onto existing assets, increasing productivity without investment in major capital works.

No Compromise on Customer Service

The selection of an appropriate odour and corrosion control strategy is a complex process depending on various factors.

No matter how good chemical properties and characteristics may be, the importance of a correctly designed slurry storage and dosing system should also not be underestimated.

As well as designing and supplying new chemicals storage and dosing systems, Calix services also include engineering support and laboratory testing.

 

Company Overview

 

Calix is a multi-award-winning Australian technology company that is developing new processes and materials to solve global challenges. At the core of Calix’s business is a world-first, patented, Australian technology that re-invents the calcination (kiln) process to enable novel applications, and produce new materials that have similar properties Best alkalinity and pH control to highly active nano-materials.

 

Australian Quality

 

Australian Mined Magnesite Calcined in Australia. Domestic production means better seSafety Management Certification Sealrvice, reliability and performance. Calix Limited is ISO 9001 Quality Management by BSI for process development, manufacture, delivery and application of mineral based products, and AS/NZS 4801 Safety Management certified.

 

Click here to read more about our Operations >>

 

 

A SUPPLY CHAIN FROM MINE TO CUSTOMER

 

Calix is a multi-award-winning Australian technology company that is developing new processes and materials to solve global challenges. Calix owns and operates a mine in South Australia, production and testing facilities at Bacchus Marsh (VIC), and a manufacturing plant on the Gold Coast (QLD). Calix has established a network of local distributors and partners who can deliver our products across Australia and New Zealand, to ensure you receive excellent customer service and support, wherever you are located.

We Help Solve Ageing Sewer Challenges

 

The challenge is not about finding more water; it is about better managing and preserving the resources and infrastructure we have.

 

Australia’s $40 billion of concrete sewage infrastructure, if left untreated, will continue to corrode away from sulphide attack. Each year, the cost of asset degradation due to sulphide-induced corrosion is estimated at around $100million per year.

 

The presence of Hydrogen Sulphide gas (H2S) gas can result in hazardous work environments, odour complaints and accelerated corrosion of sewer assets, pump station wells, discharge manholes and treatment plants.

 

Although different solutions are available to councils and water authorities that experience sulphide (H2S) issues, many of these only mask the underlying problem and do not actually remove the sulphur/sulphide molecules from the system.

 

Calix’s PROTECTA-Mag™ technology is a chemical coating that prevents corrosion by raising surface pH, thus neutralizing acids and inhibiting the formation of acid producing bacteria.

 

Diagram of where corrosion occurs

 

 

Key steps in the corrosion of concrete sewer assets

  1. Generation of H2S in sewer lines fills up the Manhole.
  2. Oxidisation of H2S to H2SO4 by auto oxidation reduces pH.
  3. Sulphide Oxidising Bacteria form colonies as pH drops.
  4. Convert H2S to H2SO4 (sulphuric acid) = corrosion of Manhole.

DON’T WAIT UNTIL IT’S TOO LATEclock

CHANGE REACTIVE MAINTENANCE IN TO PREVENTATIVE MAINTENANCE

 

Calix understands the importance of providing a complete repair and protection package for the entire sewer network. Calix innovates in chemicals to offer the right combination of solutions depending on the condition of the asset, your budget constraints and each site’s specific requirements. With a combination of CAC and PROTECTA-Mag™, we can offer you the most suitable and cost-effective solution.

 

Maintenance Process

Protecta Mag Logo

SEWER INFRASTRUCTURE PROTECTIVE COATING

NO CONFINED SPACE ENTRY – NO NETWORK SHUTDOWN

 

A Customer Story

City of Gold Coast Logo

 

PROTECTA-Mag™ extends lifespan and reduces cost of manhole maintenance at GOLD COAST CITY COUNCIL

 

CHALLENGE

When the Gold Coast City Council (GCCC) needed to extend the working lives of its manholes, it contacted Calix to conduct a trial of its PROTECTA-Mag™ technology. The successful trial demonstrated how the technology can dramatically extend the lifespan of manholes, saving the Council money on maintenance and replacement.

 

SOLUTION

PROTECTA-Mag™

 

KEY BENEFITS

No Confined Space Entry - No Network Shutdown

Provides an enduring high pH surface with anti-bacterial properties

Life-long corrosion protection to the asset

 

 

Diagram-1Diagram-2

 

Manhole State After 36 Months