Pengukuran Konsentrasi Gas CO (Kabon Monoksida) dan NO2 (Nitrogen Dioksida) dari Pembakaran Beberapa Jenis Sampah oleh Mahasiswa Prodi Pendidikan IPA

Universitas Negeri Semarang/Faculty of Mathematics and Natural Sciences/Berita/Pengukuran Konsentrasi Gas CO (Kabon Monoksida) dan NO2 (Nitrogen Dioksida) dari Pembakaran Beberapa Jenis Sampah oleh Mahasiswa Prodi Pendidikan IPA

Pada pertengahan bulan Januari 2024, mahasiwa Prodi Pendidikan IPA melakukan pengukuran kadar gas CO (Karbon Monoksida) dan NO2 (Nitrogen Dioksida) di sekitar Kampus UNNES sebagai project dari Mata Kuliah Sains Lingkungan. Gas – gas yang diukur tersebut merupakan hasil pembakaran berbagai sampah yang ada di lingkungan kampus, antara lain sampah dedaunan, plastik, kertas (kardus) dan Styrofoam. Asap pembakaran sampah tersebut dapat menyebabkan pencemaran udara, sehingga berpotensi menimbulkan gangguan kesehatan dan lingkungan. Pencemaran udara terjadi jika ada zat atau energi atau komponen yang dimasukkan tetapi udara sudah dalam keadaan jenuh, sehingga tidak dapat menguraikan, mendistribusi dan menyebarkannya. Hal ini dapat diartikan bahwa zat pencemar yang masuk melebihi baku mutu udara yang ditetapkan, oleh karena itu untuk memastikan ada tidaknya potensi pencemaran, maka diperlukan suatu pengukuran konsentrasi / kadar zat pencemar tersebut.

Hasil pengukuran menunjukkan bahwa pembakaran sampah styrofoam dengan massa 30 gram dan dengan jarak pengukuran 30 cm, mempunyai kadar gas CO tertinggi sebesar 700 ppm, sedangkan untuk gas NO2, sampah plastic mempunyai kadar tertinggi sebesar 5,3 ppm. Selain digunakan untuk mengetahui konsentrasi gas pencemar, hasil kegiatan / proyek ini juga dapat digunakan sebagai bahan rekomendasi untuk menetapkan pengelolaan sampah yang tepat di sekitar kampus UNNES. Pengelolaan sampah yang tepat itu dapat menggunakan prinsip – prinsip berkelanjutan (sustainable) dengan menerapkan 3R, Reduce (mengurangi), Reuse (menggunakan kembali) dan Recycle (mendaur ulang).

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