Article
?
AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button.
Tier 2
?
Original research — experimental, observational, or case-control study. Direct primary evidence.
Marine & Wildlife
Remediation
Sign in to save
Heavy Metal Adsorption and Release on Polystyrene Particles at Various Salinities
Frontiers in Marine Science2021
63 citations
?
Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 45
?
0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Beta Susanto Barus,
Sha-Yen Cheng,
Sha-Yen Cheng,
Jun Wang,
Jun Wang,
Jun Wang,
Beta Susanto Barus,
Minggang Cai
Beta Susanto Barus,
Minggang Cai
Beta Susanto Barus,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Beta Susanto Barus,
Kai Chen,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Kai Chen,
Minggang Cai
Minggang Cai
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Rongmao Li,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Kai Chen,
Minggang Cai
Jun Wang,
Jun Wang,
Minggang Cai
Minggang Cai
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Minggang Cai
Kai Chen,
Kai Chen,
Kai Chen,
Kai Chen,
Kai Chen,
Sha-Yen Cheng,
Huorong Chen,
Sha-Yen Cheng,
Huorong Chen,
Minggang Cai
Jun Wang,
Kai Chen,
Jun Wang,
Minggang Cai
Minggang Cai
Minggang Cai
Jun Wang,
Sha-Yen Cheng,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Sha-Yen Cheng,
Jun Wang,
Jun Wang,
Cong Li,
Minggang Cai
Sha-Yen Cheng,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Jun Wang,
Jun Wang,
Minggang Cai
Sha-Yen Cheng,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Minggang Cai
Jun Wang,
Minggang Cai
Jun Wang,
Sha-Yen Cheng,
Minggang Cai
Jun Wang,
Kai Chen,
Kai Chen,
Sha-Yen Cheng,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Minggang Cai
Minggang Cai
Minggang Cai
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Minggang Cai
Minggang Cai
Minggang Cai
Jun Wang,
Minggang Cai
Jun Wang,
Jun Wang,
Jun Wang,
Jun Wang,
Minggang Cai
Minggang Cai
Minggang Cai
Jun Wang,
Minggang Cai
Jun Wang,
Minggang Cai
Minggang Cai
Summary
This study examined how polystyrene microplastics adsorb and release heavy metals at varying salinity levels, finding that salinity significantly influences the sorption behavior and thus the potential for microplastics to act as heavy metal vectors in aquatic environments.
Microplastics (MPs) and heavy metals are two major types of pollutants that interact with each other, but they are poorly understood. Polystyrene (PS) is one type of MPs that is often detected in aquatic environments. In this study, we examined the adsorption capacity and release rate of heavy metals with respect to different particle sizes of PS, heavy metals, initial heavy metal concentrations, and salinities. Virgin (new) PS with diameters of 20, 50, 130, and 250 μm was used in this study, and four heavy metals (lead, cadmium, copper, and zinc) were used. The results showed that larger PS particle sizes adsorbed more heavy metals even though it took longer to achieve equilibrium adsorption. An increase in heavy metal concentration caused the adsorption capacity (μg g –1 ) of PS particles to also increase, but the adsorption rate (%) decreased. Increased salinity of the heavy metal solution resulted in a slower adsorption time and a lower adsorption capacity and release rate from the surface of PS particles. Different heavy metals also had different adsorption capacities. Pb was consistently more highly adsorbed by MPs, followed by Cu, Zn, and Cd. Larger PS sizes released heavy metals faster than smaller PS sizes, and the amounts of heavy metals released were higher. The heavy metal with the highest release rate was Cd, followed by Pb, Cu, and Zn. Finally, our findings highlight the interactions between PS and heavy metals and strongly support that PS particles can act as vectors for heavy metals in aquatic systems.