We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Adsorption of Cadmium, Copper and Lead on Polypropylene and Polyethylene Microplastics
AI summary Read the abstract
This laboratory study measured how cadmium, copper, and lead adsorb onto polypropylene and polyethylene microplastic particles in seawater, finding that microplastics concentrate these toxic metals at levels well above surrounding water concentrations. The results reinforce concerns that microplastics act as carriers of heavy metal contamination in marine ecosystems.
Microplastic is drawing attention of researchers and public as it is ubiquitous, and becoming a severe threat to the marine ecosystem and human being. Heavy metals and microplastics pollution seems to be having interaction even though both are considered different classes of pollutants. This experimental study for a period of seven days was done with polypropylene (PP) and polyethylene (PE) to study the relation between microplastics and heavy metals (Cd, Cu and Pb). Microwave Plasma Atomic Emission Spectroscopy (MP-AES) was use to analyze the heavy metals concentration in the water. The main aim of this experiment is to study the relation between microplastics and heavy metals. The effects of types of microplastics and adsorption kinetic will also be studied. The study has shown that both type of microplastics adsorbed the three heavy metals. The adsorption of heavy metals happened up until second day of experiment and followed by the release of heavy metals after that. ANOVA analysis was done and it showed that the heavy metals adsorbed are not affected by the types of microplastics used. The adsorption kinetic was calculated using partition coefficient. This showed that Pb was adsorbed the most in both microplastics with a higher value of partition coefficient. The surface analysis of microplastics also showed that there is no difference after seven days of experiment. As a result, this study shows that there is an interaction between microplastics and heavy metals. The interaction could probably harm the aquatic organisms and will be transferred through food chain and harm human being as well. Finally, it is learned that microplastics is the vector of heavy metals through this study.
More Papers Like This
Study of Pb2 +, Cu2 + and Ni2 + metal adsorption phenomenon in polyethylene microplastic
AI summary Read the abstract
This study examined how polyethylene microplastics adsorb heavy metals — specifically lead, copper, and nickel — from water, with implications for how plastic pollution can concentrate and transport toxic contaminants in aquatic environments.
Adsorption characteristics of cadmium onto microplastics from aqueous solutions
AI summary Read the abstract
Laboratory adsorption experiments characterized how cadmium is taken up by microplastics of different polymer types from aqueous solutions, finding adsorption capacity varied significantly with polymer chemistry, particle size, and solution conditions. The results help predict how microplastics in contaminated waterways accumulate and transport cadmium, a highly toxic heavy metal.
Laboratoty Experiment on Copper and Lead Adsorption Ability of Microplastics
AI summary Read the abstract
Researchers conducted a 7-day laboratory experiment examining the adsorption of copper and lead onto microplastic fragments derived from plastic straws and grocery bags in spiked seawater, finding both plastics adsorbed both metals with increasing concentrations over time. Plastic bag fragments adsorbed more of both metals than straw fragments, likely due to higher surface area, confirming the vector role of microplastics for heavy metal transport in marine systems.
Evaluation of Cd Adsorption Characteristic by Microplastic Polypropylene in Aqueous Solution
AI summary Read the abstract
Researchers examined how microplastic polypropylene particles adsorb cadmium from aqueous solutions, finding that the plastic acts as a carrier for this toxic heavy metal. The results suggest that microplastics can accumulate cadmium in aquatic environments and potentially deliver it to organisms that ingest the particles.
Kinetics and isotherm of cadmium adsorption onto polyethylene microbeads in artificial seawater
AI summary Read the abstract
Researchers studied how cadmium adsorbs onto low-density polyethylene microbeads in artificial seawater, finding that plastic microbeads can concentrate this toxic heavy metal from solution. This supports the concern that microplastics act as vectors for heavy metal contamination in marine environments.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.