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DEGRADASI MIKROPLASTIK PADA EKOSISTIM PERAIRAN OLEH BAKTERI KULTUR CAMPURAN Clostridium sp. DAN Thiobacillus sp.
Summary
This Indonesian study investigated the ability of a mixed bacterial culture (including Clostridium species) to degrade microplastics in aquatic ecosystems. Biological degradation by bacteria is a promising but challenging approach to reducing the accumulation of persistent microplastic pollution in water bodies.
Permasalahan akibat akumulasi mikroplastik di lingkungan terjadi karena plastik merupakan polimer sintetis yang sulit untuk terdegradasi, salah satunya disebabkan karena plastik mempunyai kerapatan massa molekul yang tinggi. mikroplastik tersebar di lingkungan dan menimbulkan masalah bagi lingkungan dan biota air dan tanah seperti laut, muara, sungai, danau, tanah. Biodegradasi plastik berbahan dasar minyak bumi konvensional dipengaruhi oleh faktor abiotik terjadi dalam waktu lama, dan tidak dapat sepenuhnya terurai dan faktor biotik dipengaruhi oleh mikroorganisme pengurai yang ada di lingkungan yang dapat mempercepat penguraian. Pendekatan untuk mengendalikan pencemaran mikroplastik dapat dilakukan dengan pendekatan teknologi bioremediasi, dengan memanfaatkan potensi mikroba atau bakteri indigenous yang ditumbuhkan dalam lingkungan media yang terpapar mikroplastik. Faktor abiotik (radiasi UV, suhu, tekanan atmosfer) terjadi dalam waktu lama, dan tidak dapat sepenuhnya terurai. Faktor biotik dipengaruhi oleh mikroorganisme pengurai yang ada di lingkungan yang dapat mempercepat penguraian.
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