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Excessive odour in sewage network, causing odour complaints ?
Heavy build-up of Fogs layers in the network causing severe corrosion ?
Excess usage of chemicals like lime and alum, & iron salts leading to high maintenance costs ?
Frequent need for vacuum truck cleaning leading to an increase in maintenance costs ?
Hydrogen sulphide (H2S) gas is produced in sewage with a distinctive and unpleasant rotten egg smell causing frequent odour complaints.
Hydrogen sulphide is present due to anaerobic activity, which favours sulfate reducing bacteria (SRB) and results in the generation of a poisonous rotten egg gas called H2S. ACTI-Mag effectively locks up H2S to prevent release as a gas that produces odour and facilitates corrosion. ACTI-Mag is safe to handle and cost effective with many knock-on benefits that reduce treatment costs at the Wastewater Treatment Plant (WWTP).
ACTI-Mag for Odour Control
ACTI-Mag has a higher neutralising value per kilo when compared with caustic while being significantly safer to handle than other traditional alkalis, making it a very safe
and cost competitive option for hydrogen sulphide gas (H2S) control in sewers.
Key Benefits
Attractive cost savings.
Eliminate odour complaints.
Safe / non-hazardous / corrosion free.
Environmentally friendly.
Australian manufactured.
Watch our Webinar: A Total Odour Control Solution
Calix offers a complete solution when it comes to hydrogen sulphide elimination, which is the primary cause of the majority of odour complaints from municipal wastewater systems. This webinar covers the application, benefits and service options available for councils and water authorities that wish to apply ACTI-Mag in their network.
Watch more webinars
Customer Stories
Improving the Sustainability of Water Treatment \ Municipalities
Magnesium Hydroxide liquid dosing for odour control, Cassowary Coast Regional Council 
Replace lime and alum with Calix’s ACTI-Mag magnesium hydroxide liquid at Cassowary Coast Region, QLD, Australia.
Improving the Sustainability of Water Treatment \ Municipalities
Hydrogen Sulfide (H2S) in wastewater odor control case study, El Centro 
ACTI-Mag reduces the odor to manageable levels at El Centro, Southern California, United-States.
H2S is highly toxic…
At just 0.0047 ppm, your customers will start detecting the characteristic ‘rotten egg’ smell of H2S.
ACTI-Mag NEUTRALISES FASTER
Less chemical consumption
Made with high surface area MgO (200m2 /gm), ACTI-Mag provides excellent neutralisation speed and produces less sludge, making it a much more stable product, which stays as a suspension longer compared to other Magnesium Hydroxide slurries.
- Low viscosity – flows easily in most dosing systems
- Higher neutralisation potential – better cost and usage efficiency
- Reduced sludge – easier disposal (less costs)
- Safe to handle / non hazardous (corrosion free)
- Buffers at pH 9 if overdosed – better stability
not all magnesium hydroxide are made equal.
Unlike many other Magnesium Hydroxide slurries, Calix’s ACTI-Mag is a concentrated (60%) stabilised suspension of magnesium hydroxide.
More solids = Lower required dose.
Relevant articles
May 06, 2021 \ Calix Global Challenges
Calix Podcast 1: “From an idea to a global company” feat. James O’Loghlin & Mark Sceats
Welcome to the first Episode of INNOVATING FOR THE EARTH, with innovation expert and radio and TV presenter James O’Loghlin.
April 19, 2021 \ Reducing CO2 Emissions
Important Milestones for Project LEILAC
LEILAC-2 passes pre-FEED milestone, with construction to be hosted at one of HeidelbergCement’s sites in Germany. Calix is pleased to
April 19, 2021 \ Calix Global Challenges
News Issue April 2021
Our April newsletter is out! A refreshed organisational structure, a new zero-emissions lime project with Australian company Adbri, a milestone for Project LEILAC, updates on SOCRATCES, SaltX, IER and so much more!
The Calix difference
People, unique technology, partners, and track record
Leading edge technology
Calix core technology makes high surface area materials (with a honeycomb-like structure), giving you a price and a reactivity advantage.
Our materials are proving to have similar properties to highly active nano-materials, without the health/safety concerns and high cost, but with all the benefits.
Faster reactivity = less costs
Manufactured in Australia
Fully integrated supply chain – from mine to customer
Calix is able to offer better service, reliability and performance to its
customers because it controls the entire production process from mining
of raw materials, processing and production.
Chemical dosing systems
Calix leverages a culture of innovation to provide fully customised services such as design expertise, engineering know-how, detail engineering, installation, piping and commissioning services to provide turnkey systems for chemical dosing of Magnesium Hydroxide Liquid (MHL).
Our engineered and cost-effective solutions are tailored to meet your specific needs and budget. Quick to install – our modular dosing units can be delivered on site by truck and are fast to set up and connect.
Find out more about our dosing solutionsWe work together in ways others don’t, considering the long-term effect of our actions, never satisfied with the status quo.
Calix has its own direct delivery, service and support capabilities and also has an established a network of local distributors and partners that can provide the best solution for your specific needs and ensure you receive excellent customer service and support, wherever you are located.
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Looking for a safety data sheet (formerly known as MSDS)? All our SDS are available on our website.