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Welcome to the Zappa-Stewart Superabsorbent Blog

Wastewater Treatment Sludge Becomes Dry & Stackable in Minutes with SAPs

Sludge, a viscous mixture of liquid and solid components, is generated by essentially all industrial and municipal wastewater treatment facilities. When sludge must be periodically removed in order for plant maintenance crews to conduct repairs on process equipment and concrete holding basins, superabsorbent polymers (SAPs) are the safest, fastest, and most efficient choice to convert wet sludge to dry stackable solids.

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Topics: Environmental Conditions, Environmental Remediation, SAP vs Cement, Sawdust vs SAP, superabsorbent polymers, SAP Applications, Wastewater Treatment Sludge, Solidifier

What is Your Next Step in Infection Control in the Coronavirus Age?

The new coronavirus epidemic, COVID-19, which originated in Wuhan China, causing severe respiratory illness, has brought a heightened level of both awareness and panic to the general public regarding the spread of viruses and infections in general. This only adds to the pressure hospitals and other healthcare centers have been under to reduce Hospital Acquired Infections (HAIs), which, according to the Centers for Disease Control and Prevention (CDC), affect roughly 1 in every 31 hospital patients across the United States.

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Topics: Medical Waste Solidification, superabsorbent polymers, Coronavirus, Covid-19

Absorbent Pads:  Keeping Your Meat Safe & Delicious With Superabsorbent Polymers

Have you ever wondered how those thin pads under your ribeye steak absorb and hold so much liquid?  Yet a similar size paper towel can only absorb a fraction of the same volume and releases the liquid when any pressure is applied.  

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Topics: superabsorbent polymers, meat tray, dali tray, SAPs for consumer products, SAP Applications

Why Landfills Prefer Superabsorbent Polymers for Liquid Waste

 

Liquid waste streams such as wastewater treatment sludge (biosolids), coal combustion residuals (coal ash slurries), horizontal direction drilling (HDD) mud, and dredged sediments are challenging to manage for many reasons.  Regulatory restrictions on liquid waste disposal require free liquids to be absorbed, or solidified, prior to acceptance at landfill facilities.  The absorbent material that is selected can impact the landfill’s leachate management costs, the landfill’s longevity, and the water quality in groundwater and surface water in the vicinity of the landfill.  Superabsorbent polymers (SAPs), one of the EPA’s few accepted absorbent materials, help landfills minimize leachate management costs, mitigate environmental risks from leachate leaks, and maximize landfill life.

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Topics: Liquid Solidification, Landfills, Liquid Waste Management, superabsorbent polymers

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