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DELOACH BLOG

How Important Are NSF/ANSI 61 Standards

Posted by Anthony DeLoach, President on Jul 26, 2017 2:15:53 PM

Following NSF/ANSI 61 regulations when designing and selecting the materials for the manufacturing of water treatment equipment.

It is important to understand what regulatory standards or constructions standard may be required to be compliant. This includes the designing and fabrication of systems such as reverse osmosis utilizing membrane technology, decarbonation of Carbon Dioxide, degasification of Hydrogen Sulfide, and water filtration for the removal of micron particles from potable and nonpotable water processes.

One requirement that engineers and manufacturers often encounter is called NSF /ANSI 61. NSF is an international and nonprofit, nongovernmental organization that is focused and dedicated to public health and safety as it relates to potable water systems and their components. NSF/ANSI 61 developed and established minimum requirements for the control of potential adverse human health effects from products and their components that contact with drinking water.

DeLoach Industries Inc. manufactures multiple types of water treatment equipment and adheres to strict compliance with NSF/ANSI 61 standards with all of their manufacturing procedures and practices. This strict adherence assures owners that water treatment equipment like decarbonation and degasification towers, reverse osmosis, and ion exchange that the equipment and material are all in full compliance with the NSF/ANSI 61 requirements.

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Topics: water quality, water treatment, advanced treatment solutions, About DeLoach Industries, fabrication, contact molded process, hydrogen sulfide (H2S), Decarbonation, wastewater, carbon dioxide, decarbonator, H2S Degasifier, ansi61, nsf/ansi61

Utilizing Decarbonation to Lower CO2 Levels & Raise pH

Posted by Anthony DeLoach, President on May 18, 2017 1:05:24 PM

CO2 & pH In municipal and industrial water processes

Carbon Dioxide (CO2) in municipal and Industrial water can create problems in the water treatment process, increase operational costs of the treatment plant, and cause excessive corrosion to equipment and ancillary equipment.

In nature, one of the most natural common causes that create low pH or acidity in water is an element known as “Carbon Dioxide” (CO2).  The process of how carbon dioxide enters the water in the first place is a topic worth exploring.  Nature creates one of the most common causes of CO2 found in the water naturally. When the water reaches an equilibrium with our atmosphere followed by the biological degradation that is aided by the photosynthesis of organic carbon (CH2O) then carbon dioxide begins to form. Organic carbon is dissolved in water and it forms “Carbonic Acid”

(H2CO3).  CO2 (g) + H2(l) = H2CO3 (aq). 

The process to form the carbonic acid is slow and only a small portion remains as an acid because proton losses occur during the process.

H2CO3 (aq) « H+ (aq) + HCO3- (aq)

CO3- (aq) « H+ (aq) + CO32- (aq)

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Topics: water treatment issues, water quality, degasification, pH levels of water, water treatment, water plant, pH levels, caustic, Decarbonation, wastewater, carbon dioxide, decarbonator, gases, carbonic acid, H2S Degasifier, Co2 ph

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