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JURNAL TEKNOLOGI LINGKUNGAN

JTL
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Published by Badan Pengkajian dan Penerapan Teknologi

ISSN : 1411318X EISSN : 25486101 DOI : -

Core Subject : Social,

Environmental Science

Jurnal Teknologi Lingkungan (JTL) is a journal aims to be a peer-reviewed platform and an authoritative source of information. JTL is published twice annually and provide scientific publication for researchers, engineers, practitioners, academicians, and observers in the field related to science and environmental technology. We publish original research papers, review articles and case studies focused on Environmental Sciences, Environmental Technology as well as other related topics to Environment including sanitation, environmental biology, waste water treatment, solid waste treatment, environmental design and management, environmental impact assessment, environmental pollution control and environmental conservation.

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KUALITAS PERAIRAN WADUK CIRATA DINAMIKA KUALITAS AIR DI DUA LOKASI YANG BERBEDA JUMLAH KERAMBA JARING APUNGNYA Soetrisno, Yudhi
Jurnal Teknologi Lingkungan Vol. 3 No. 1 (2002): JURNAL TEKNIK LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Telah diduga bahwa perairan waduk Cirata telah mengalami eutrofikasi karena tercemar oleh nutrien dari berbagai sumber seperti limbah pemukiman, industri, pertanian dan perikanan. Peneltian ini dilakukan untuk mengetahui sampai sejauh mana eutrofikasi mempengaruhi dinamika kualitas fisik, kimia dan fitoplankton. Peneltian ini juga dilakukan untuk menganalisis kesahihan plankton-net dalam menghasilkan data untuk analisis kualitas air.Dengan kecerahan yang rendah (< 80cm), nilai nitrogen (>0,100mgN•l-1) dan fosfor (> 0,01 mgP• l-1) yang tinggi hingga setiap saat bisa terjadi blooming, maka waduk Cirata dapat digolongkan kedalam waduk hipereutrofik. Dengan didahului pengendapan dan sampling tanpa penyaringan, kelimpahan fitoplankton ditemukan lebih tinggi dari 20 x 103 sel•ml-1 yang didominasi oleh Mycrocytis (Cyanophyta) dan Sphaerocystis (chlorophyta). Kenyataan ini kembali meyakinkan bahwa data-data kepadatan/kelimpahan fitoplankton yang selama ini dipublikasikan adalah “under-estimate”. Untuk itu sangat disarankan agar untuk menduga kelimpahan fitoplankton dan analisis kualitas air tidak lagi menggunakan plankton-net; kecUali hanya untuk identifikasi.

OVEN DESTILATOR PENGOLAH SAMPAH PLASTIK RAMAH LINGKUNGAN Ã¢â‚¬Å“Pemanfaatan Asap Cair Hasil Olahan Oven Destilator untuk Pengawetan Kayu Ganefati, Sri Puji; Hendrarini, Lilik; Windarso, Sarjito Eko
Jurnal Teknologi Lingkungan Vol. 12 No. 1 (2011)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Up to now, the majority of people treat plastic waste by burning and disposing it directly to the surrounding environment. The burning of the waste causes air pollution due to toxic compound called dioxin which is harmful for human health. Meanwhile, the dumping of plastic waste into water bodies can causing some negative effects such as the clogging of water duct or river which may lead to flooding. Annually, the number of plastic bag used can reach 500 million Ã¢â‚¬â€œ 1 billion, which is equal to 10 fold wrapping of earth surface (Nitizen, 2008). The best handling of plastic waste are using reuse or recycle methods which are environmentally friendly and at the same time can gain economical value1). The study is aimed to: 1) understand the capability of oven distillator in processing plastic waste into plastic grain and liquid smoke, 2) understand the influence of liquid smoke towards wood durability, 3) understand the price of the oven distillator and the corresponding break even point (BEP).The study was an experimental one and employed pre test and post test with control group design, and simultaneously assessing equipmentÃ¢â‚¬â„¢s production capacity. The data was analyzed descriptively and analytically with Anova test and t-test at 95% level of significance.The results show that oven distillator capable for processing 97,3% of plastic waste into plastic grain, while the rest was converted into liquid smoke. The liquid smoke was proved affect wood preservation (anova test, p<0.001), and have similar quality compared with varnish use (t-test, p=0,764). The cost analysis shows that the distillatory raise economical value of the waste by 217,66%, and The BEP would be reached in 68 days if 12 kg plastic is processed daily. It is advised that he oven can be used by general community or home industries for applying green and high economically value of plastic waste processing.

MODEL PERUBAHAN TUTUPAN LAHAN DAN FAKTOR-FAKTOR YANG MEMPENGARUHINYA Pribadi, Didit Okta
Jurnal Teknologi Lingkungan Vol. 7 No. 1 (2006): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Urban and regional development needs space and land which then replaces the existence of natural space. The loss of natural space does not give negative impacts as long as it does not exceed ecological carrying capacity.Unfortunately, urban and regional development in Indonesia is dominated by economy motivation than ecology consideration. As a result, several natural disasters occurred such as flood, ground water depletion, land slides etc. Our research objective is to analyze land cover change from natural space to human activity space and several factors which cause it at 4 different regions: Malang Municipal, Batam Municipal, Pemalang Regency and Muaro Jambi Regency. Research result could be used as basic information for local government to arrange planning, use and control spatial change in each area. This research was conducted by using two different time data images with interval 10 years to get land cover change on each region and social economy data from National Statistic Bureau. The model was formulated by using forward stepwise multiple regressions and the result showed that each region has different factors which increase land cover change of natural space such as: (1) Malang Municipal was dominantly influenced by urban sprawl phenomenon, (2) Batam Municipal wasdominantly influenced by government policy to develop industry, (3) Pemalang Regency was dominantly influenced by appearance of several new growth poles, and (4) Muaro Jambi Regency was dominantly influenced by land necessity for agriculture activities.

Inside Cover JTL Vol 18, No 1, January 2017 JTL Vol 18, No 1, January 2017, Inside Cover
Jurnal Teknologi Lingkungan Vol. 18 No. 1 (2017)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

KAJI TERAP TEKNOLOGI KOMPOSTING UNTUK PENANGANAN LIMBAH TERNAK SAPI POTONG Sahwan, Firman
Jurnal Teknologi Lingkungan Vol. 17 No. 2 (2016)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Program swasembada daging sapi, telah memacu berkembangnya usaha peternakan sapi potong lokal. Sedangkan usaha penggemukan sapi impor ikut berkembang karena adanya target untuk memenuhi kebutuhan daging sapi perkapita sebanyak 2,2 kg. Hasil ikutannya adalah meningkatnya timbulan limbah Ã‚Â kandang yang merupakan campuran antara alas kandang dengan kotoran sapi. Limbah kandang yang utamanya kotoran sapi, merupakan bahan baku utama pada pembuatan pupuk organik. Namun pembuatan pupuk organik berbahan baku limbah kandang bukanlah tanpa masalah. Untuk itulah penelitian ini dilakukan dengan tujuan mengetahui karakteristik pupuk organik berbahan baku limbah kandang, mengevaluasi faktor positif dan negatifnya; serta memberikan masukan untuk meningkatkan kualitas pupuk organiknya. Hasil penelitian menyimpulkan bahwa kandungan unsur hara makro utama, kadar Fe, pH dan keberadaan mikroba fungsionalnya memenuhi Permentan 70 tahun 2011. Hal tersebut menunjukkan bahwa pupuk organik yang dibuat dari pupuk kandang memiliki kualitas yang baik. Pada sisi lain, keberadaan mikroba kontaminan (E. coli dan Salmonella sp), positif pada pukan segar dan negatif pada pukan kering dan pupuk organik. Selain itu, analisa tingkat kematangan menyimpulkan bahwa pupuk organik yang diteliti belum mencirikan pupuk yang sudah stabil atau matang. Kedua hal tersebut merupakan permasalahan yang sering dihadapi pada pembuatan pupuk organik berbahan baku limbah kandang. Pemecahannya adalah memperpanjang waktu proses dekomposisinya sampai diperoleh pupuk yang memenuhi kriteria pupuk organik (kompos) matang, dengan menggunakan teknologi composting. Proses dekomposisinya akan berjalan secara aerobik sehingga menghasilkan suhu tinggi yang dapat membunuh mikroba patogen (kontaminan) dan bibit gulma.

GUMUK PASIR PARANGTRITIS KONVERSI VERSUS KONSERVASI ( SEBUAH TINJAUAN PENGGUNAAN LAHAN DENGAN MODEL DINAMIK) Widodo, Lestario
Jurnal Teknologi Lingkungan Vol. 4 No. 1 (2003): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Tulisan ini mencoba mengulas tentang adanya fenomena alam yang sangatlangka dan unik berupa gumuk pasir tipe "barchan", yang terbentuk sebagaiakibat adanya ekosistem Parangtritis yang khas. Pantai Parangtritis khususnya dan pantai selatan Yogyakarta umumnya saat ini telah berkembang sangat cepat di dalam pemanfaatan potensi sumber daya alam di lahan pesisir sehingga banyak pihak berkeinginan untuk memanfaatkan lahan pantai berbagai keperluan, sehingga mengancam keberadaan gumuk pasir. Dengan segala keunikan, karakteristik dan potensi pantai yang khas tersebut, maka potensi terjadinya konflik kepentingan antar sektor akan semakin besar. Gambaran konflik dan akibat yang akan ditimbulkan apabila terus dibiarkan dapat mengancam kelestarian gumuk pasir di Parangtritis tersebut. Dengan model sistem dinamik maka upaya untuk melestarikan keberadaan gumuk pasir dapat dimungkinkan melalui skenario pembangunan berkelanjutan yaitu menyeimbangkan atau mengendalikan laju pengurangan lahan dengan laju penambahan wilayah gumuk.

KOMBINASI TEKNIK KONSERVASI TANAH DAN PENGARUHNYA TERHADAP HASIL JAGUNG DAN EROSI TANAH PADA LAHAN KERING DI SUB DAS BIYONGA KABUPATEN GORONTALO Nurdin, Nurdin
Jurnal Teknologi Lingkungan Vol. 13 No. 3 (2012)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Lahan kering merupakan salah satu lahan yang potensial untuk pengembangan jagung, tetapi umumnya petani jagung menggunakannya tanpa menerapkan teknik konservasi tanah, sehingga erosi tanah sukar dikendalikan dan produktifitasnya menurun. Penelitian ini bertujuan untuk mendapatkan kombinasi teknik konservasi tanah yang dapat menekan erosi tanah dan meningkatkan hasil jagung. Penelitian ini dilaksanakan di Sub DAS Biyonga Kabupaten Gorontalo. Rancangan penelitian menggunakan rancangan acak kelompok faktorial dengan dua factor, yaitu faktor pertama penanaman menurut kontur dan faktor kedua penanaman dalam strip yang masing-masing factor terdiri dari lima perlakuan pupuk kandang dan mulsa serta masing-masing tiga ulangan. Pengukuran erosi tanah menggunakan petak erosi beserta drum penampung sedimen. Hasil penelitian menunjukkan bahwa penanaman menurut kontur meningkatkan hasil jagung sebanyak Ã‚Â±1,24 kali lebih banyak dibanding penanaman dalam strip, tetapi erosi tanah sebanyak Ã‚Â±1,20 kali lebih banyak dibanding penanaman dalam strip. Hasil jagung tertinggi sebanyak 5,82 ton ha-1 dan erosi tanah sebanyak 1,34 ton ha-1 tahun-1. Sementara, erosi tanah pada penanaman dalam strip hanya 1,08 ton ha-1 tahun-1 dengan hasil jagung sebanyak 4,80 ton ha-1. Dosis pupuk kandang terbaikadalah 10 ton ha-1, sementara untuk mulsa adalah 12 ton ha-1.Ã‚Â Kata Kunci: erosi, strip, pertanaman, lahan kering, jagungÃ‚Â AbstractUpland is one of land potentials for maize development, but most farmers were using upland without soil conservation, so the soil erosion is difficult controlling and productivity is decreasing. This research was aimed to find of soil conservation technique combinations which can minimize soil erosion and rising of maize yields. This research was carried out in Biyonga Sub-Watershed of Gorontalo Regency. Experimental was conducted in afactorial random block design with2 main factors, where first factor was contour cultivation and the second was strip cropping which each factors consisted of 5 treatments for manure and mulching with 3 replicates. Erosion box and their soil collector were used to measure of soil erosion. Results showed that contour cultivation is Ã‚Â±1.24 higher than strip cropping toincrease maize yields, but soil erosion was Ã‚Â±1.20 higher than strip cropping. The highest of maize yield was 5.82 ha-1 tahun-1 and their soil erosion was 1.34 ton ha-1 tahun-1. Soil erosion on the strip cropping was only 1.08 tonha-1 tahun-1 although maize yields were only 4.80 ton ha-1. The best dosage for manure and mulching were 10 ton ha-1 and 12 ton ha-1.Ã‚Â Keywords: erosion, strip, cropping, upland, maize

BIOPOTENSI KELENJAR HIPOFISIS IKAN PATIN (PANGASIUS PANGASIUS) SETELAH PENYIMPANAN KERING SELAMA 0, 1, 2, 3 DAN 4 BULAN Najmiyati, Erma
Jurnal Teknologi Lingkungan Vol. 7 No. 3 (2006): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Test were conducted to find the biopotency of pituitary glands that havebeen dry-preserved for 0, 1, 2 3 and 4 months. Pituitary glands, obtainedfrom the waste of fillet production plant of Pangasius pangasius, weredried gradually in acetone. The treatments were dry-preservation timespan in dessicator: 0, 1, 2, 3 and 4 months. This hormone biopotencytesting used extract of late-stage of gonad maturation from female andfrom induced-spawning. No significant differences were found in thepercentage of late-stage gonad maturation and ovulation, relativefecundity, fertility and hatchability from every treatment. The number offemales reaching late-stage of gonad maturation were 100% (for allmonths of preservation), while the mean percentages of : relativefecundity was 18.05% (for 3 months of preservation), fertility was 95.73%(for 1 month of preservation), 24-hour hatchability was 31.63% (for 0month of preservation). No significant differences were found for allpreservation time span.

Reduksi Logam Berat Cd(II) dan Cr(VI) pada Sistem Kontinu Menggunakan Phanerochaete chrysosporium yang Diradiasi Sinar Gamma Larasati, Tri Retno Dyah; Mulyana, Nana; Arofah, Nurmaya; Sari, Siska Permata
Jurnal Teknologi Lingkungan Vol. 19 No. 1 (2018)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Limbah logam berat Cd(II) dan Cr (VI) terlarut bersifat toksikÃ‚Â dalam perairan akan meningkatkan jumlah ion logam di dalam air. Penelitian ini bertujuan menggunakan biomassa fungi untukÃ‚Â menyerapÃ‚Â ion logam beratÃ‚Â Cd(II) dan Cr (VI) dalam jumlah signifikan. Mekanisme reduksi logam berat secara biosorpsi. Reduksi ion logam dengan sistem kontinu lebih efisien karena adanya kontak kontinu antara adsorben dan larutan. Perlakuan radiasi sinar gamma dosis rendah pada fungi Phanerochaete chrysosporium (P. chrysosporium ) menstimulasi peningkatan aktivitas enzimÃ‚Â sehingga ketahanan fungi terhadap ion logam beratÃ‚Â meningkat dan pengikatan logam menjadi besar. Fungi P. chrysosporium diradiasi sinar gamma dengan dosis : 0, 250, 500, 750 dan 1000 Gy. Parameter proses yang diamati meliputi pH dan viabilitas fungi. Biosorpsi logam Cd(II) dan Cr(IV) di dalam sistem kontinu terdiri dari : F0 (tanpa P. chrysosporium), F1 (P. chrysosporium 0 Gy) dan F2 (P. chrysosporium 750 Gy) dengan waktu retensi T1 = 3 jam, T2 = 6 jam, T3 = 9 jam dan T4 = 12 jam serta laju alir R1 = 32 ml/jam, R2 = 58 ml/jam dan R3 = 204 ml/jam. Biosorpsi menggunakan larutan awal mengandung masing-masing 50 ppm logam Cd(II) dan Cr(VI) dengan pH 5,5. Hasil yang diperoleh menunjukkan bahwa biosorpsi logam Cd(II) dan Cr(VI) dalam sistem kontinu optimal pada perlakuan R3F2 dengan waktu retensi T4 = 12 jam yakni, memberikan serapan Cd sebesar 5,96 mg/g dan serapan Cr sebesar 1,07 mg/g.Ã‚Â

APLIKASI METODE PENGENDAPAN PADA ANALISIS FITOPLANKTON DAN TINGKAT KESUBURAN WADUK SAGULING Soetrisno, Yudhi
Jurnal Teknologi Lingkungan Vol. 1 No. 2 (2000): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

At this moment, Saguling reservoir in Citarum river is not only polluted by waste water from municipal, industry, agriculture and become eutrophicated. This research was carried out in attempt to know how bad is the eutrophication and effecting phytoplankton in Saguling river. This research reveal based on the measured physical, chemistry and biological parameters, Saguling reservoir could be classified into eutrophic with low transparency (<70 cm), high concentration of nitrogen (>1,100 mgN•l-1), phosphor (>0,216 mgP•l-I) and dominated by Mycrocytis and Ascilatoria. This result also approved the previous analysis that overflow of sampling plankton- net always resulting “underestimation” value. Therefore using row metter without filtering and settling methode in phytoplankton is suggested.

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