Neptune Chemical Pump offers acid-handling solutions

Industries like mining, food and beverage processing or steel manufacturing etc., cannot survive without water. In most instances, water is used to help facilitate and optimise the production process, from cooling equipment to cleaning totes, barrels and storage tanks.
When used in these types of applications, clean water is quickly transformed into wastewater full of impurities. Aiding in wastewater disposal or recycling are acids that help make it safe to either be reused or introduced to the environment. This article will highlight the pumping technology—diaphragm-type metering pumps—that successfully meets the challenges in most wastewater-handling applications that require the use of acids.
The challengeAcids are an industrial jack-of-all-trades used in a dizzying variety of unique applications and processes, including the manufacture of agricultural fertilisers, cosmetics productions, fluoridation of drinking water, pH adjustment in cooling towers and boiler water pre-treatment.
A few of the more commonly used acids in these applications include hydrofluorosilicic acid, hydrochloric acid, phosphoric acid, sulfuric acid and citric acid. These acids are used in wide range of applications, from water fluoridation and regeneration to metal pickling and food flavouring.
What all of these acids have in common is that safety in containing, controlling and handling them is a critical concern, not only to protect the health and productivity of workers, but to ensure zero impact on the environment. For example, hydrofluorosilicic acid is highly corrosive to most metals, while sulphuric acid is highly exothermic.
The solution – Metering pumps The best choice for acid injection in wastewater-handling applications is hydraulic, mechanical or electronic diaphragm metering pump technology. Neptune Chemical Pump Company, a product brand of PSG, a Dover company offers the same.
Neptune’s 500 series hydraulic metering pumps are suitable for acid-handling because they can inject precise and controlled amounts of chemicals; feature an internal relief valve; have leak-free operation; can handle high pumping pressures; require minimal maintenance; can feature an automatic stroke control actuator or variable-speed motor; have low energy usage; and offer an adjustable micrometer dial that can be adjusted whether the pump is running or stopped.
These pumps are mechanically actuated and have been designed to handle clear liquids with viscosities ranging from water-like to 5,000 cPs, making them ideal for use in water and wastewater treatment applications. The 7000’s mechanical design eliminates the use of contour plates on the liquid side of the diaphragm and combined with a straight-through valve and head configuration improved flow characteristics are created.
Neptune PZ series electronic metering pumps are a viable option in acid-handling operations because they are able to offer stroke length and speed adjustments that make them particularly suited for low-flow acid-feed applications, which can require the pump to possess a wide turndown capability.
ConclusionAcids in many forms play a critical role in treating water and wastewater. Like water itself, proper care and handling of acids must also be observed. While operators of wastewater treatment facilities are aware of the responsibilities they have in ensuring safe water sources, they also know that they must take every measure to optimise the cost-effectiveness of their operations.
That’s where identifying and utilising the efficient and reliable pumping technology enters the picture. For more than 50 years, Neptune has been setting the industry standard in diaphragm metering pump technology. So whether a wastewater management operation requires a hydraulic, mechanical or electronic diaphragm metering pump to meet its needs, Neptune offers the best array of choices via its 500 series, 7000 series and PZ series diaphragm metering pump product lines.

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