Abstract
The first step that possible for Surabaya University (Ubaya) to realize a sustainability campus was waste production reduction. A research related to solid waste management in Ubaya need to be conducted. The aims of the research were 1. To determinate the economical organic solid waste composition in faculty of engineering 2. Estimating the quantity of economical organic solid waste in faculty of engineering 3. Calculating the greenhouse gas that can be reduced by managing the economical organic solid waste. The scope of calculation was CH4 generation. Research is done by survey of solid waste generation. Survey was conducted at faculty of engineering Ubaya, in TA building until TS building plus faculty of engineering gazebo. The estimation of economical organic solid waste was taken for eight days in September 2016. The calculation of green house emission from solid waste was referred to Intergovernmental Panel on Climate Change (IPCC) 2006 guidelines. The results of the research indicated that the composition of economical organic solid in the faculty of engineering was white paper, brown paper, cardboard, and juice and tea packaging. The average quantity of economical organic waste generated in the faculty of engineering per day were white paper: 5.44 kg, 1.055 kg of brown paper, cardboard 2.51 kg and 0,765 kg of tea and juice packaging. Greenhouse gas (CH4), which could be lowered if the economical organic waste is managed was around 1.14 kg / day.
Highlights
The first step that possible for Surabaya University (Ubaya) to realize a sustainability campus was waste production reduction
Calculating the greenhouse gas that can be reduced by managing the economical organic solid waste
The estimation of economical organic solid waste was taken for eight days in September 2016
Summary
Survei yang dilakukan di fakultas teknik menunjukkan bahwa komposisi sampah di Ubaya adalah 70 %. Dari 30 % sampah organik sebagian besar adalah sampah organik ekonomis berupa kertas putih, kertas coklat (sisa bungkus makanan), kardus, dan kotak minuman. Sampah organik non ekonomis berupa sisa makanan ditemukan dalam jumlah yang sangat kecil karena sebagian besar mahasiswa memperoleh makanan dari kantin sehingga sampah sisa makanan sebagian besar terkumpul di kantin. Sampah organik lain yang ada di Ubaya adalah sampah taman yang pengolahannya dilakukan di rumah kompos. Sampah anorganik yang ditemukan berupa botol plastik dan sisa kemasan makanan kecil. Sampah jenis lain yang ditemukan adalah kertas, plastik, dan sisa makanan [8]. Perhitungan jumlah emisi CH4 yang bisa diturunkan jika perguruan tinggi melakukan pengelolaan sampah organik dilakukan dengan cara menghitung bangkitan CH4 yang terjadi. Perhitungan hanya dilakukan pada sampah organik ekonomis, belum mencakup sampah organik non ekonomis yang berupa sisa makanan. Nilai Usulan bagi Parameter yang Diperlukan untuk Estimasi Bangkitan CH4
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