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Pengaruh Waktu Tinggal dan Umur Tanaman pada Biosorpsi Ammonia oleh Tanaman Air Enceng Gondok (Eichhornia Grassipes)

Jurnal Rekayasa Kimia & Lingkungan Vol 7, No 2 (2009): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Abstract

Ammonia biosorption by using Enceng Gondok, Eichhornia crassipes, was conducted in outdoor laboratory with objective to study the influence residence time and plant age to ammonia biosorption rate. The research uses reactor test consisting of wet land and sludge. Enceng Gondok is planted on reactor test flown by ammonia as bacth with relatif low enough concentration (2 mg/L), water height 20 cm, plant’s number in each reactor of 4 stems with variatious plant’s length 10, 20, 30, and 40 cm, and various residence time 2, 4, 6, and 8 days. Each test conducted was completed by controlling reactor. Research result showed that maximun biosorption occurs at 2 days culturization; ammonia biosorption rate by roots increases as residence time increases. Residence time 2, 4, 6 and 8 days can decrease ammonia concentration up to 1.568 mg/l, 0.245 mg/l, 0.204 mg/l (10%), and 0.022 mg/l, respectively, at plant length 10 cm. Further, research results showed that the more the plant’s age, the larger the biosorption by plant.Keywords: ammonia biosorption, enceng gondok, plant’s age, residence time

Water Quality Assessment in the Tsunami Areas of Banda Aceh

Jurnal Rekayasa Kimia & Lingkungan Vol 7, No 1 (2009): Jurnal Rekayasa Kimia & Lingkungan
Publisher : Chemical Engineering Department, Syiah Kuala University, Banda Aceh, Indonesia

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Abstract

Water quality assessment in the tsunami-affected areas conducted in Meuraxa and Kutaradja sub-districts in the area of Banda Aceh City. Water samples were collected in October 2006 from dug wells of tsunami-affected areas. These were characterized for various physical and chemical parameters. Water quality in the selected areas has shown that the surface water was contaminated due to the tsunami. Total Dissolved Solid, Total Suspended Solid, Acidity, and salinity were high in the affected areas indicating saline water intrusion into surface water tables. Dug wells in the highly affected locations showed higher values of heavy metal ions like Mn, Pb, Cu, Fe, Zn, and Cu compared to the reference points. No ion Hg was found in all samples. Keywords: Banda Aceh, heavy metals, tsunami, water quality

IMPLEMENTASI PEMBELAJARAN KIMIA BERBASIS LINGKUNGAN DENGAN MODEL PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKATKAN MINAT DAN KETERAMPILAN BERPIKIR KRITIS PADA SISWA SMA

Jurnal Pendidikan Sains Indonesia Vol 3, No 1 (2015): April 2015
Publisher : Program Studi Magister Pendidikan IPA Program Pascasarjana Unsyiah

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Abstract

Penelitian ini bertujuan untuk menganalisis: (1) perbedaan keterampilan berpikir kritis antara kelompok siswa yang belajar melalui implementasi model pembelajaran Problem Based Learning (PBL) berbasis lingkungan pada materi minyak bumi dengan siswa yang belajar melalui model pembelajaran konvensional (2) perbedaan minat belajar siswa melalui implementasi model (PBL) berbasis lingkungan dengan minat belajar siswa melalui model pembelajaran konvensional. Penelitian ini merupakan penelitian kuasi eksperimen pada siswa kelas X SMAN 15 Adidarma Banda Aceh Tahun Ajaran 2013/2014. Rancangan penelitian yang adalah two group pretest-postest design. Data penelitian ini dianálisis dengan análisis statistik uji t independent test dengan program software SPSS Versi 17. Hasil analisis diperoleh persentase nilai rata-rata tes awal kelas eksperimen sebesar 25,00 dan kelas kontrol sebesar 24,69. Selanjutnya persentase nilai rata-rata tes akhir pada kelas eksperimen sebesar 77,35, sedangkan kelas kontrol sebesar 62,19. Rata-rata N-gain yang dinormalisasi kelas eksperimen termasuk kategori tinggi dengan nilai rata-rata 0,75 sedangkan kelas kontrol termasuk kategori sedang dengan nilai rata-rata 0,50.  Untuk N-gain yang dinormalisasi diperoleh thitung = 6,045 dengan signfikansi p = 0,000, karena signifikansi < 0,05, maka dapat dikatakan bahwa peningkatan penguasaan konsep minyak bumi pada siswa yang mendapatkan pembelajaran dengan model pembelajaran (PBL) berbasis lingkungan lebih baik  dibandingkan dengan penguasaan konsep minyak bumi pada siswa yang mendapatkan model pembelajaran konvensional. Hasil N-gain keterampilan berpikir kritis diperoleh thitung = 3,44 dengan signfikansi p = 0,002, karena signifikansi < 0,05, maka dapat dikatakan bahwa peningkatan keterampilan berpikir kritis pada siswa yang mendapatkan pembelajaran dengan model pembelajaran (PBL) berbasis lingkungan lebih baik dibandingkan dengan siswa yang mendapatkan model pembelajaran konvensional. Hasil pengisian angket siswa diperoleh bahwa dengan menggunakan model pembelajaran (PBL) berbasis lingkungan pada konsep minyak bumi yang diberikan kepada 22 siswa memberikan tanggapan yang positif dan siswa memiliki minat yang tinggi untuk mengikuti pembelajaran.

PENGEMBANGAN INSTRUMEN PENILAIAN SIKAP BERBASIS KURIKULUM 2013 PADA PEMBELAJARAN KIMIA SMA

Jurnal Pendidikan Sains Indonesia Vol 5, No 1 (2017): April 2017
Publisher : Program Studi Magister Pendidikan IPA Program Pascasarjana Unsyiah

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Abstract

Penelitian ini bertujuan untuk menghasilkan instrumen penilaian sikap bentuk lembar observasi dilengkapi rubrik penilaian yang berbasis kurikulum 2013.  Pelaksanaan penelitian melibatkan  30 orang peserta didik kelas X-MIA-3 di SMA Negeri 3 dan  16 orang guru kimia dari delapan SMA Negeri di Kota Banda Aceh. Metode penelitian dan pengembangan menggunakan model Plomp yang ditandai dengan studi pendahuluan, tahap pengembangan meliputi fase desain, realisasi, tes, revisi dan implementasi, serta evaluasi. Hasil validasi pakar menunjukkan bahwa instrumen penilaian sudah layak untuk diuji coba penggunaannya. Selanjutnya, hasil penelitian menunjukkan bahwa nilai validitas dan reliabilitas instrumen penilaian sikap yang diperoleh secara berturut-turut ialah 0,55 dan 0,71. Hasil evaluasi oleh  guru untuk  kualitas isi, metode penulisan/kebahasaan, dan keterlaksanaan memperlihatkan bahwa instrumen penilaian sikap yang dikembangkan dapat dikategorikan sangat baik dengan capaian skor akhir rata-rata diatas 3,25. Berdasarkan hasil penelitian dapat disimpulkan instrumen penilaian sikap yang dikembangkan sudah layak digunakan  dalam proses pembelajaran kimia.

ESTIMASI EMISI KARBON DARI SAMPAH PERMUKIMAN DENGAN METODE IPCC DI KECAMATAN ULEE KARENG, BANDA ACEH

Jurnal Teknik Sipil Vol 1, No 2 (2017): Volume 1 Special Issue, Nomor 2, Desember 2017
Publisher : Department of Civil Engineering, Syiah Kuala University

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Abstract

Abstract : Hoarding rubbish experience will decompose to produce methane gas (CH4) and carbon dioxide (CO2) which is one of the greenhouse gases that lead to global warming. This study was conducted to assess the management of household waste by estimating and comparing the amount of carbon (CH4) and (CO2) generated by household waste in the sub-district of Ulee Kareng the existing condition, and 3R. The composition and calculation of the amount of household waste in the sub-district of Ulee Kareng performed according to the method SNI 19-3964-1994. Results of IPCC data were processed using a method to estimate the amount of carbon produced. Results and research shows that household waste generation mean for the sub-District of Ulee Kareng is 0.27 kg/person.day or 1.63 L/person.day. The waste composition is wet waste (food scraps and garden waste) by 44%, 13.36% wood trash, waste paper and cardboard 11.59%. Carbon emissions on the existing condition of 143.43 MTS/year, and carbon emissions by 3R found MTCE 38.12/ year. Recommendations can be given for waste management in reducing the amount of emissions released in the sub-district of Ulee Kareng is the 3R efforts through recycling and composting.Abstrak : Sampah yang ditimbun akan terurai menghasilkan gas metana (CH4) dan karbon dioksida (CO2) yang merupakan salah satu gas rumah kaca yang mengakibatkan pemanasan global. Penelitian ini dilakukan untuk menilai pengelolaan limbah rumah tangga dengan memperkirakan dan membandingkan jumlah karbon (CH4) dan (CO2) yang dihasilkan oleh limbah rumah tangga di kecamatan Ulee Kareng pada saat ini, dan 3R. Komposisi dan perhitungan jumlah sampah rumah tangga di kecamatan Ulee Kareng dilakukan sesuai metode SNI 19-3964-1994. Hasil data IPCC diolah dengan menggunakan metode untuk memperkirakan jumlah karbon yang dihasilkan. Hasil dan penelitian menunjukkan bahwa rata-rata pembangkitan sampah rumah tangga untuk kecamatan Ulee Kareng adalah 0,27 kg / orang.day atau 1,63 L / orang/hari. Komposisi limbahnya adalah limbah basah (sisa makanan dan limbah kebun) sebesar 44%, sampah kayu 13,36%, kertas bekas dan kardus 11,59%. Emisi karbon pada saat ini 143,43 MTS / tahun, dan emisi karbon sebesar 3R di dapat MTCE 38.12 / tahun. Rekomendasi yang bisa diberikan untuk pengelolaan limbah dalam mengurangi jumlah emisi yang dilepas di subdistrik Ulee Kareng adalah upaya 3R melalui daur ulang dan pengomposan.

STUDI PERENCANAAN DAN PENGELOLAAN BANGUNAN SARANA AIR BERSIH BERBASIS PARTISIPASI MASYARAKAT DI DESA PAYA BEKE

Jurnal Teknik Sipil Vol 3, No 1 (2013): Jurnal Teknik Sipil Volume 3, Nomor 1, September 2013
Publisher : Department of Civil Engineering, Syiah Kuala University

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Abstract

Planning and building of water supply in rural areas aimed at helping rural communities who do not have access to adequate clean water especially medium to lower income people. Not all communities in the District of Reparation Nara have clean water in their homes - each, the tough get clean water every day and spend the time to get their water through the trail and winding road to get to the water source. Based on these problems, this study aimed to complement the building plan of clean water that can be distributed to neighborhood residents with community participation in the management and in maintenance. The study was conducted by calculating the water needs of the people and community participation in the management of water supply through the distribution of questionnaires (questionnaire) contains several questions relating to the need for clean water. This method is done by descriptive surveys with making analytical processing of data in terms of percentage in the form of a bar chart to make a conclusion. The results showed that through the design of the building is the public water supply already has a concept to build a clean water future. The results of the questionnaire showed people are looking forward to construction of water supply, and is ready to support the development and management. The study design of buildings generate clean water to meet the needs of clean water for the village of Paya Beke with and management by promoting community involvement in both systems management and maintenance ongoing basis.

PARTISIPASI MASYARAKAT GAMPONG NUSA TERHADAP PENGELOLAAN SAMPAH DENGAN PROGRAM 3R

Jurnal Arsip Rekayasa Sipil dan Perencanaan (Journal of Archive in Civil Engineering and Planning) Vol 1, No 2 (2018): Jurnal Arsip Rekayasa Sipil dan Perencanaan
Publisher : Prodi Magister Teknik Sipil Unsyiah

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Abstract

The problem of garbage has become a problem together and must be done in special handling. The 3R program is one of the best ways to handle the waste problem in Gampong Nusa Kecamatan Lhoknga, Aceh Besar District. The purpose of this study is to assess the level of community participation in the waste management system of 3R in Gampong Nusa. Data collection is done by observation, questionnaire, interview, and documentation. The sample selection was chosen by random sampling technique based on Slovin equation with an error rate of 10%. The questionnaire used a Likert scale and analyzed by percentage formula. Reliability test carried out with the formula Flanagan, obtained value of 0.996 with reliable conclusions and very high category. Validity test done with Pearson product-moment obtained 100% valid instrument results. The results showed that the participation of the community of Gampong Nusa towards the 3R program activity was good. It means that the community actively participated in the handling of waste with 3R. It can be seen from the result of data analysis found that average of community participation reach 77,30% society strongly agree there is a program of 3R, 16,19% agree and only 5,79% less agree.

ANALISA HASIL PEMBANGUNAN MCK PLUS BERBASIS MASYARAKAT DI PROVINSI ACEH

Jurnal Arsip Rekayasa Sipil dan Perencanaan (Journal of Archive in Civil Engineering and Planning) Vol 1, No 1 (2018): Jurnal Arsip Rekayasa Sipil dan Perencanaan
Publisher : Prodi Magister Teknik Sipil Unsyiah

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Abstract

Implementation of development of community-based sanitation infrastructure management is a new thing for the people of Aceh, especially the community in the location of community sanitation facilities will be built. Currently more than 90 percent of Acehnese people use individual waste water systems or toilets that have not been properly managed and have not equipped septic tanks so that the sludge is discharged directly into the water body. This condition leads to the spread of disease (epidemic). Septic tanks are rarely aspirated so that it becomes a successor of wastewater that then seep in the soil and contaminate it. This is the reason for the entry of Community sanitation program into a solution in the provision of infrastructure and waste water facilities using Lavatory Plus. The Community sanitation program aims to improve the quality of the environment by increasing access to community-based sanitation facilities. This study aims to identify the results of community-based Lavatory Plus development in terms of management, institutional and financing. Knowing the level of satisfaction and public interest towards community-based Lavatory Plus development. This research will be conducted in 4 (four) regencies / cities with the lowest coverage of sanitation in Aceh Province, Kab. Pidie Jaya, Kab. Aceh Tamiang, Kab. Aceh Barat Daya and Kota Subulussalam by using quantitative methods supported by qualitative analysis. Qualitative analysis was conducted to look at management, institutional and financing aspects. Data collection were taken through observation and interview on the Work Unit of Environmental Sanitation System Development of Aceh Province and District Public Works Office. Data analysis was done by using SWOT analysis and its analysis tool USG (Urgency, Seriousness, and Growth) and performed data processing through Biplot Method with Mini Tab software. SWOT analysis results show the success rate of Community sanitation program management is in quadrant I. The results of analysis of the level of satisfaction and public interest by using Biplot Method assisted software Mini Tab. The level of community satisfaction is 3.63 and the level of public interest is 4.4 ie the average community feels important to the management of the Community sanitation program.

Bioakumulasi dan Toksisitas Logam Timbal Terhadap Ikan Plati (Oryzias latipes)

Jurnal Sains dan Teknologi Reaksi Vol 1, No 2 (2003): Jurnal Sains dan Teknologi Reaksi
Publisher : Politeknik Negeri Lhokseumawe

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Abstract

Berkaitan dengan pengaruh logam timbal pada ekosistem perairan, studi tentang toksisitas dan akumulasi logam timbal ada ikan Plati (Oryzias latipes) dilakukan pada skala laboratorium. Hasil penelitian menunjukkan bahwa lethal concentration 50 % (LC50) logam timbal terhadap ikan Plati (Oryzias latipes) adalah sebesar 947,7 ppm. Pada saat ikan Plati (Oryzias latipes) dihidupkan pada air yang mengandung timbal, jumlah timbal yang diakumulasikan pada sel meningkat sejalan meningkatnya konsentrasi timbal pada air. Selama 3 hari pemaparan, sebanyak 80% dari timbal yang terakumulasi dalam sel tersebut diekskresikan pada air.Kata kunci : Toksisitas, Bioakumulasi, dan Ikan Plati (Oryzias latipes).

Status mutu air dan kandungan logam berat pada air dan sedimen di muara Krueng Aceh, Kota Banda Aceh

DEPIK Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Vol 7, No 2 (2018): August 2018
Publisher : Faculty of Marine and Fisheries, Syiah Kuala University

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Abstract

The aim of this research was to examine the status of water qaility of the Krueng Aceh estuary and heavy metal content in water and sediment. Data were taken by direct measurement in the field (in situ) and in the laboratory (ex situ). Three sampling stations were determined by purposive sampling, namely; in the left bank (nearest location with TPA), right bank (nearest location to market) and middle river (middle river area often passed by fisherman boat). Heavy metal analysis was conducted using AAS (Atomic Absorption Spectrophotometer) method and water quality status determined by STORET method. Based on the research result showed that that water quality parameters that have passed the standard of PP RI No. 82 Year 2001 Group III is TDS with an average value of 3332.78 mg / L, Pb with an average value of 0.052 mg / L, and Cd with an average value of 0.015 mg / L. The quality status of Krueng Aceh estuary water is classified into a moderate polluted or class C with a score of -23. The highest heavy metal content found in water sample is Pb with concentration of 0.106 mg / L. While, the average value of Pb was 0.052 mg / L and Cd was 0.015 mg /L, its have passed the quality standard specified in PP RI no. No. 82 of 2001. In addition, the highest heavy metal content found in sediment was Zn with the concentration of 29.633 mg /kg and its average value was still below the standard set by ANZECC ISQG-Low.Penelitian ini dilakukan untuk mengetahui status mutu kualitas air muara Krueng Aceh dan kandungan logam berat yang terdapat pada air dan sedimen. Metode yang digunakan dalam penelitian ini adalah metode survey. Data parameter yang diambil melalui pengukuran langsung di lapangan (in situ) dan di laboratorium (ex situ). Penentuan stasiun sampling secara purposive, yaitu pada muara Krueng Aceh dengan menetapkan tiga titik sampling yaitu pada tepi kiri (lokasi terdekat dengan TPA), tepi kanan (lokasi terdekat dengan pasar) dan tengah sungai (daerah tengah aliran sungai yang sering dilalui boat nelayan). Analisis logam berat dilakukan dengan metode SSA (Spektrofometri Serapan Atom) dan status mutu air ditentukan dengan metode STORET. Berdasarkan hasil penelitian dapat diketahui parameter kualitas air yang telah melewati baku mutu PP RI No 82 Tahun 2001 Golongan III adalah TDS dengan dengan nilai rata-rata 3332,78 mg/L, Pb dengan nilai rata-rata 0,052 mg/L, dan Cd dengan nilai rata-rata 0,015 mg/L. Status mutu air muara Krueng Aceh diklasifikasikan ke dalam tercemar sedang atau kelas C dengan skor -23. Kandungan logam berat tertinggi yang ditemukan pada sampel air di muara Krueng Aceh adalah Pb dengan konsentrasi 0,106 mg/L. Nilai rata-rata Pb 0,052 mg/L dan Cd 0,015 mg/L telah melewati baku mutu yang ditetapkan dalam PP RI No. 82 Tahun 2001. Kandungan logam berat tertinggi yang ditemukan pada sampel sedimen di muara Krueng Aceh adalah Zn dengan konsentrasi 29,633 mg/Kg dan nilai rata-ratanya masih berada di bawah baku mutu yang ditetapkan oleh ANZECC ISQG-Low.