The De Nora blog: Water Made Easy

SORB™ Technology Addresses Environmental, Regulatory, and Public Health Water Treatment Challenges

Jun 9, 2021 12:16:02 PM / by Nick Armstrong posted in water treatment, SORB, drinking water, Water filtration

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Get to know De Nora expert, Nick Armstrong, Global Product Manager for the SORB™ family of products. With 15 years of experience under his belt, he recently joined De Nora from a background in the high purity industrial water space—providing solutions for pharmaceutical, semiconductor and power plant applications all over the world. His field is one where extreme purity counts. Now at De Nora, he’s managing our SORB contaminant removal line—targeting specific contaminants, like arsenic, iron, and manganese—as well as working toward developing new approaches to address emerging contaminate concerns globally. Today, Nick brings his passion for innovation to our entire SORB™ portfolio of solutions.

Worldwide, the need to convert contaminated water sources to usable water is growing. By 2025, an estimated 1.8 billion people will live in areas plagued by water scarcity, with two-thirds of the world's population living in water-stressed regions as a result of use, growth, and climate change. With De Nora’s long standing history and excellent reputation as a innovator in water treatment technologies, we have the process knowledge, experience, and capabilities to specify, install, and maintain your passive arsenic adsorption system.

Keep Your SORB System in Prime Condition
Engineers, site managers, and maintenance personnel alike understand that proper operation and minimal maintenance of a treatment facility is critical. With our process guarantee, we can ensure optimal performance of a system for many years between media exchanges. That’s where our knowledge and service offerings come in. When you are ready, we can perform a complete media changeout, arranging for everything at your site in an efficient manner. We vacuum out the exhausted media, dispose of it at a landfill, and then commission your system so it’s ready for use. Regardless of whether or not we provided your initial system, we can extend our process guarantee with our service.
Contact us for a quote.

About SORB 33
De Nora SORB 33® is a granular iron oxide media, specifically made for the removal of arsenic thru adsorption. Our SORB 33 systems employ a ‘pump and treat’ process that flows pressurized well or spring water through a fixed-bed pressure vessel containing the media where the arsenic removal occurs. SORB solutions are available in a range of sizes and configurations—designed to treat your specific flow rate and quality expectations.

Your media life will typically range from 6 months to 6 years, depending on water quality levels. Media usage, however, can be optimized in multiple parallel flow adsorber systems through staging, whereby each adsorber is staggered so one is operating in the latter stages of its life.

Although these systems are simple to operate, owners should consider a De Nora service agreement to support the most effective operation of the system and undertake media change-out when required.

The De Nora Commitment
With over two decades of demonstrated effectiveness, De Nora SORB adsorption and ion exchange systems can help solve environmental, regulatory, and public health water treatment challenges and is a best available technology (BAT) for many contaminants of concern. The innovation team at De Nora is continually seeking process improvements and are in a constant state of development to offer our customers even greater efficiencies.
To keep informed about the latest trends, follow Nick on LinkedIn.

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Operation and Maintenance Costs for Chlorination

Aug 6, 2020 5:15:00 PM / by De Nora posted in water treatment, drinking water, chlorination, gas feed

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Chlorine is commonly available in three different forms: gaseous chlorine, calcium hypochlorite, and sodium hypochlorite, which are all used in chlorination.

Gas chlorine is typically packaged in 150 lb cylinders and 1-ton containers. This is 100% elemental chlorine stored as a liquified gas under pressure. The chlorine is fed to the process using a pressure feed system which applies the chlorine gas directly to the process or a vacuum operated - solution feed system which uses a water operated ejector to create a chlorine solution which is applied to the process.

Calcium hypochlorite is typically packaged as a solid tablet containing 60% active chlorine. The chlorine is fed to the process using a simple tablet feeder that passes the process water through a tube of tablets, causing the tablets to dissolve into the water. More sophisticated tablet systems dissolve the tablets in water making a solution of controlled chlorine concentration, which is then fed to the process using a chemical dosing pump.

Sodium hypochlorite is a liquid containing 12-15% active chlorine when fresh. Sodium hypochlorite is typically delivered to plant storage tanks by truck and applied to the process using chemical dosing pumps. With this form of chlorine, the concentration decays over time.

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Chloramination Control in Drinking Water

Jul 16, 2020 12:45:00 PM / by De Nora posted in drinking water, CAPTROL Controller, gas feed

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What is chloramination?

Chloramination is a secondary disinfection process by which chlorine (Cl2) and ammonia (NH3) are combined to produce chloramines, a persistent disinfectant used to maintain a residual in a long distribution system . The residual chloramine aids in preventing post microbial growth in the distribution system.

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Choosing the Right Water Disinfection

Jun 11, 2020 4:30:00 PM / by De Nora posted in ozone, drinking water, sodium hypochlorite, on-site sodium hypochlorite generation, MIOX, clorate, chlorine dioxide, ultraviolet light, on-site chlorine generation, calcium hypochlorite, chloramines

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The Status of Chlorate Regulations & Impact on Water Treatment - MIOX

Jun 2, 2020 11:00:00 AM / by De Nora posted in drinking water, sodium hypochlorite, on-site sodium hypochlorite generation, MIOX, clorate

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Maintaining Your Capital Equipment

May 26, 2020 9:45:00 AM / by De Nora posted in wastewater treatment, drinking water, MIOX

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Investing in drinking water and wastewater systems is an essential step in protecting both public health and the environment. Yet, given the recent economic climate, making the decision to move forward on any capital project is one that involves a great deal of planning and consideration. Two key factors that should always be considered are cost and reliability.  

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Status of Chlorate Regulations & Impact on Water Treatment - ClorTec

May 14, 2020 3:00:00 PM / by De Nora posted in drinking water, Clortec, sodium hypochlorite, on-site sodium hypochlorite generation, clorate

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Maintaining Your Capital Equipment

Apr 28, 2020 7:15:00 AM / by De Nora posted in wastewater treatment, drinking water, Clortec, sodium hypochlorite

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Investing in drinking water and wastewater systems is an essential step in protecting both public health and the environment. Yet, given the recent economic climate, making the decision to move forward on any capital project is one that involves a great deal of planning and consideration. Two key factors that should always be considered are cost and reliability.  

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