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All Journal World Chemical Engineering Journal Journal Of Chemical Process Engineering (JCPE) Jurnal Sains Teknologi dan Lingkungan (JSTL) Madaniya Jurnal Indonesia Sosial Sains Jurnal Konstruksi : Teknik, Infrastruktur dan Sains Journal Of Chemical Process Engineering KATALIS : Jurnal Inovasi Pengabdian Masyarakat
Setyawati Yani
Universitas Muslim Indonesia
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Kualitas Air Sungai Jeneberang Ditinjau dari Lokasi dan Waktu: The Water Quality of Jeneberang River Based on The Location and Time Zakir Sabara; Setyawati Yani; Purnamasari; Darnengsih, Darnengsih
Journal of Chemical Process Engineering Vol. 5 No. 2 (2020): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v5i2.858

Abstract

Sungai Jeneberang adalah salah satu sungai yang digunakan untuk memasok air ke Perusahaan Daerah Air Minum kota Makassar. Oleh karena itu, air sungai tersebut harus sesuai dengan kualitas yang disyaratkan untuk standar air minum. Tujuan dari penelitian ini adalah untuk mengetahui kualitas air sungai Jeneberang ditinjau dari lokasi dan waktu. Adapun parameter kualitas air sungai yang ditinjau yaitu TSS (Total Suspended Solid), BOD (biologinal oxygen Demand), COD (Chemical Oxygen Demand), dan DO (Dissolved Oxygen). Penelitian ini dilakukan dengan pengambilan sampel di sungai Jeneberang melalui 3 titik lokasi yaitu titik I di hulu, titik II di tengah dan titik III di hilir sungai. Pengambilan sampel dilakukan pada pagi dan sore hari. Dari hasil penelitian diperoleh rata-rata nilai parameter menurut lokasi hulu, tengah dan hilir pada waktu pagi dan sore yaitu berturut-turut untuk TSS adalah 10; 19,67; dan 16,67 mg/l dan 12,67; 22,33; 22 mg/l, untuk BOD adalah 2,22; 2,32; 2,20 mg/l dan 2,34; 2,57; 2,76 mg/l, untuk COD adalah 11,72; 7,90; 11,86 mg/l dan 13,54; 9,48; 13,20 mg/l, dan untuk DO adalah 5,45; 3,30; 4,87 mg/l dan 6,84; 5,13; 6,39 mg/l. Parameter yang diukur menunjukkan nilai tertinggi diperoleh pada waktu sore hari dan pada lokasi tengah sungai. Hasil penelitian menunjukkan semua nilai parameter memenuhi syarat kualitas air baku untuk air minum.
POTENSI PENGOLAHAN LIMBAH PLASTIK KEMASAN AIR MINERAL DENGAN METODE PIROLISIS MENJADI MINYAK BAHAN BAKAR ALTERNATIF Andi Aladin; Setyawati Yani; Hijrah Amaliah Azis; Hasan
Journal of Chemical Process Engineering Vol. 3 No. 1 (2018): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v3i1.906

Abstract

Cadangan minyak bumi semakin menipis karena pemakaian bahan bakar minyak (BBM) semakin meningkat. Diperlukan bahan bakar alternatif yang murah dan ramah lingkungan. Limbah plastik kemasan air mineral jenis polypropylene (PP) dengan kandungan kimia utama adalah karbon-hidrogen memungkinkan untuk diproses dicairkan menjadi minyak sehingga dapat dimanfaatkan sebagai bahan bakar cair alternatif pengganti BBM Bumi. Makalah ini menguraikan potensi pengolahan limbah plastik kemasan air mineral menjadi bahan bakar cair dengan metode pirolisis. Dari hasil penelitian pendahuluan dengan kondisi pirolisis yaitu suhu 3000C dan waktu 20 menit diperoleh produk minyak cair dengan yiel mencapai 45%. Konversi ini masih memungkinkan ditingkatkan bila beroperasi pada suhu pirolisis dan waktu optimum. Hasil uji laboratorium menunjukkan bahwa minyak yang diperoleh memiliki kemiripan dengan bahan bakar premium (bensin), densitas 0,75 gr/ml, warna cairan kekuningan, sangat mudah terbakar dengan nilai kalor mencapai 11.000 kal/gr. Bila 50% dari total 2 juta ton limbah plastik PP di Indonesia potensi dikonversi menjadi minyak bahan bakar alternatif sebanyak 450 ribu ton/tahun atau setara dengan 434 ton minyak premium (bensin).
ALAT PENYARING KARBON MONOKSIDA PADA KNALPOT KENDARAAN BERMOTOR DENGAN MENGGUNAKAN ADSORBEN ALAMI EKSTRAK DAUN TREMBESI Sentiyaki; Andi Rina Ayu Astuti; Imam Fathurrahman; Setyawati Yani; Mandasini; N Nurjannah; Zakir Sabara
Journal of Chemical Process Engineering Vol. 3 No. 1 (2018): Journal of Chemical Process Engineering
Publisher : Fakultas Teknologi Industri - Universitas Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33536/jcpe.v3i1.909

Abstract

Pencemaran udara yang berasal dari emisi gas hasil pembakaran (ghp), termasuk karbon monoksida semakin meningkat sejalan dengan meningkatnya jumlah kendaraan bermotor. Daun trembesi memiliki potensi untuk menyerap polutan CO. Penelitian ini bertujuan untuk menghasilkan desain alat penyerap CO dari ektrak daun trembesi dan mengetauhi daya kerja alat tersebut terhadap emisi CO. Penelitian dilakukan dengan membuat alat yang berisi adsorben daun trembesi dalam beberapa lapisan dengan ketebalan yang berbeda, yaitu lapis 1, lapis 2 dan lapis 3. Selanjutnya dilakukan pengujian alat pada tipe karburator dan tipe injeksi dengan menggunakan alat Analisa Gas Buang (AGS-688). Hasil penelitian ini menunjukkan desain terbaik pada lapis 3 dengan daya serap emisi CO sebesar 17,69% untuk tipe karburator dan 28,13% untuk tipe injeksi.
Alteration of The Properties of Spent Eucalyptus Biomass from Steam Distillation Yani, Syamsuddin; Yani, Setyawati
World Chemical Engineering Journal VOLUME 5 NO. 2 DECEMBER 2021
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v5i2.12615

Abstract

Steam distillation is a common method to extract the eucalyptus oil from eucalyptus biomass. The spent biomass of the steam distillation process could be used as biofuel feedstock. This study aims to investigate the effect of eucalyptus biomass steam distillation time on the alteration of the spent biomass.  The properties studied include carbon retention, fuel properties namely proximate and ultimate analyses as well as grindability. Those properties were investigated from 5 to 180 minutes of the distillation time. The grindability and fuels chemistry of spent biomass were little affected by the steam distillation process. The results show that to use the spent biomass of steam distillation as a feedstock for bioenergy production it is quite promising.
Organoleptic Observations of the Preservation of Mackerel Fish using Liquid Smoke from Coconut Shells Pyrolysis Aladin, Andi; Yani, Setyawati; Syarif, Takdir; Modding, Basri; Wiyani, Lastri
World Chemical Engineering Journal VOLUME 6 NO. 1 JUNE 2022
Publisher : Chemical Engineering Department, Engineering Faculty, Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/wcej.v6i1.15914

Abstract

 Liquid smoke is a by-product of a pyrolysis process of coconut shells to produce coconut shell charcoal. The liquid can be used as an alternative fish preservative. Traditionally, the fish preservation is conducted by direct smoking of the fish on a coal or biomass burning. However, due to the presence of benzopyrene compounds in the direct smoking process, the smoked fish produced may pose a health risk as benzopyrine is carcinogenic. In this research, a free benzopyrene liquid smoke obtained from the pyrolysis of coconut shells which is called grade 1 liquid smoke  is used for mackerel fish preservative. The aim of this research is to evaluate the effect of soaking time to the quality of preserved mackarel fish using organoleptic approaches. Five (5) pair of fresh mackerel fishes were cleaned and placed in a  soaking container. There was also one (1) pair of mackerel used as a control. Approximately  3L of 3% (wt.) solution of liquid smoke from coconut shell pyrolysis was poured into the soaking container  until the fishes were perfectly soaked. The fishes were soaked for 3, 5, 10, 15 and 20 minutes, respectively, and then they were stored at room temperature for observation. The control fish was stored in a container in room temperature without the addition of liquid smoke . Organoleptic observations, namely aroma, color and texture were carried out for soaked and control fishes in the first and 48th  hours of the storage time. From the research, it was found that the optimum soaking time of mackerel fishes was 5 minutes. At this optimum soaking time, the organoleptic properties including aroma, color and texture  of preserved fishes  at the first hour of the storage showed only one level  lower quality than a fresh fish. Furthermore, at 48th hours of the storage time, the preserved fishes showed a better performance of organoleptic characteristics (scale >4 ) compared to the control fish (scale @2).
Optimalisasi Penggunaan Kitosan Limbah Kulit Udang Vannamei Sebagai Koagulan dalam Perbaikan Kualitas Air Danau Shabriyani Hatma; Setyawati Yani; Suryanto, Andi
Jurnal Indonesia Sosial Sains Vol. 2 No. 02 (2021): Jurnal Indonesia Sosial Sains
Publisher : CV. Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/jiss.v2i02.190

Abstract

Danau di Universitas Hasanuddin atau Danau UNHAS telah mengalami pencemaran sehingga tidak dapat dimanfaatkan secara optimal. Kitosan dari limbah kulit udang Vannamei dari Kawasan Industri Makassar (KIMA) dapat digunakan sebagai bahan untuk proses penjernihan air. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi kitosan dan kecepatan pengadukan pada proses penjernihan air danau UNHAS. Metode yang digunakan adalah jar test, rapid mixing dan slow mixing dengan varian penambahan konsentrasi kitosan berturut-turut 0.5, 1, 1.5, 2, 2.5 (% berat) pada kecepatan putar pengadukan cepat berturut-turut 100, 300, 500, dan pengadukan lambat 70 rpm. Hasil penelitian menunjukkan bahwa kualitas air danau terbaik dari segi pH dicapai pada penambahan kitosan 0,5%, sedangkan dari segi TDS dan suhu, kualitas air terbaik diperoleh pada penambahan kitosan 2,5%. Kecepatan optimum pengadukan yang memberi kualitas air terbaik dari segi pH dan TDS adalah pada 500 rpm, sedangkan kecepatan optimum yang meberikan kualitas air dengan suhu terbaik diperoleh pada kecepatan 100 rpm. Secara umum, penelitian ini menunjukkan bahwa kitosan kulit udang memiliki potensi untuk digunakan sebagai koagulan untuk proses perbaikan kualitas air danau.
Eco-Cycle: Organic Waste Processing and Sustainable Energy Development through Collaborative Institutional Engagement Setyawati Yani; Rismawati Rasyid; Thahirah Arief; Astuti, Andi Rina Ayu; Muhammad Budi Adiputra Reski; Omar Hassouna
KATALIS : Jurnal Inovasi Pengabdian Masyarakat Vol. 1 No. 3 (2025): KATALIS : Jurnal Inovasi Pengabdian Masyarakat
Publisher : Candela Edutech Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63288/jipm.v1i3.14

Abstract

Educational institutions generate substantial organic waste, contributing to environmental challenges such as overflowing landfills and methane emissions. Globally, food waste alone accounts for an estimated 8-10% of greenhouse gas emissions, and in Malaysia, nearly 45% of municipal solid waste is organic material. To address these issues, an international community engagement project was implemented as a collaboration between Universitas Muslim Indonesia (UMI) and a higher education institution in Malaysia. The project aimed to develop a sustainable campus waste-management model by converting organic waste into valuable resources (biogas for energy and compost for agriculture) while fostering cross-border academic cooperation. Due to logistical constraints, the program was conducted via virtual platforms, involving webinars, workshops, and digital campaigns that engaged over 60 participants (students, faculty, and staff) from both institutions. The project combined technical planning—such as proposing an anaerobic digestion system for biogas production—with a virtual community outreach approach to educate and involve stakeholders in organic waste management best practices. It serves as a replicable model for other institutions seeking to integrate community engagement with sustainability initiatives. The international collaboration not only advanced knowledge and awareness of organic waste management but also strengthened bilateral ties, demonstrating how virtual engagement can overcome geographical barriers to promote global sustainability goals. The outcomes suggest that with further support, this initiative can evolve into a fully operational waste-to-energy program, exemplifying how universities can act as living laboratories for circular economy practices.
Co-Authors Almukmin Umar Andi Aladin Andi Suryanto Anton Irawan Astuti, Andi Rina Ayu Awaluddin Syamsu Ayu Astuti, Andi Rina Basri Modding Burhanuddin Burhanuddin Darnengsih, Darnengsih Hajrah Kadir Hasan Imam Fathurahman Imam Fathurrahman Kantohe, Alfirandi Levina Mandalagiri Makmur, Muliadi Mandasini Mandasini Mandasini Muh Arman Muhammad Budi Adiputra Reski Muhlis Muhlis N Nurjannah N Nurjannah, N Nurjannah Omar Hassouna P Purnamasari Purnamasari Rafdi Abdul Majid Rismawati Rasyid Ruslan Kalla Salmia Syarifuddin Sentiyaki Sentiyaki Sentiyaki Shabriyani Hatma Takdir Syarif Thahirah Arief Utami, Hermin Hardyanti Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Yani, Syamsuddin Zakir Sabara Zakir Sabara