Response mechanisms of enhanced biological phosphorus removal systems to microplastics stress

Environmental fate and biogeochemical impacts of microplastics on phosphorus cycling across aquatic interfaces

AI summary · Read the abstract

Tiny plastic particles in our lakes and rivers don't just pollute water, they're quietly messing with phosphorus, a nutrient that controls algae growth and water quality. This review of 38 studies found that microplastics change how phosphorus moves and cycles by altering bacteria communities and chemical reactions in water, which could worsen problems like harmful algae blooms that affect drinking water safety. The research is still early-stage (mostly lab experiments), but it's a reminder that plastic pollution's effects go beyond what we can see, reaching into the basic chemistry that keeps water ecosystems, and the water we dep

The regulated effects of phosphorus addition on rhizosphere microecology under microplastic pollution: a comparison based on different plant types

AI summary · Read the abstract

A pot experiment found that polyethylene microplastics and phosphorus fertilizers interact in crop-specific ways, altering root growth and soil moisture differently in wheat versus maize. Understanding these interactions matters because microplastic contamination in farmland soils could undermine fertilizer strategies and threaten crop productivity.

Microplastics Behaviour in Treated Waters by Real Biological Nutrient Removal Systems

AI summary · Read the abstract

Researchers found that biological nutrient removal systems used in wastewater treatment can remove more than 95% of microplastics, but the final settling tank releases some particles back into treated water due to their low density. Adding a filtration step at the end of treatment could help prevent these remaining microplastics from entering waterways.

Hormetic dose-response relationships between polystyrene microplastics and nitrogen elimination decoded by biofilm dynamics in electro-assisted constructed wetlands

Bioremediation Strategies for Microplastic Removal in Impacted Aquatic Environments

AI summary · Read the abstract

This review examined bioremediation strategies — using microorganisms, algae, and other biological agents — to remove microplastic contamination from urban aquatic environments including drinking water treatment plants. Bioremediation offers a potentially scalable, low-cost pathway to reducing the microplastic load in water systems before plastics reach tap water and human consumers.