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Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan
Published by Universitas Diponegoro
ISSN : 1907817X     EISSN : 25500023     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences
Arjuna Subject : -
Articles 600 Documents
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ANALISIS SEBARAN TEMPERATUR DAN SALINITAS AIR LIMBAH PLTU-PLTGU BERDASARKAN SISTEM PEMETAAAN SPASIAL (STUDI KASUS : PLTU-PLTGU TAMBAK LOROK SEMARANG) Haryono Setiyo Huboyo; Badrus Zaman
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 3, No 2 (2007): Vol 3, No 2 (2007)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.515 KB) | DOI: 10.14710/presipitasi.v3i2.40-45

Abstract

Heat wastewater emitted by power plant near seashore will be dispersed to bulk seawater by stream.  The main  effects  generated  by  this  elevated  streams  is  deteriorating  of  benthic  and aquatic life productivity. Further impact is subjected to depleting dissolved oxygen and seawater salinity content. By means of spatial mapping, the pattern of temperature distribution would be revealed and its impact  could be predicted  by then. Measurements of 14 purposive sampling spots were conducted in the early morning, noon and afternoon within Tambak Lorok Port pond. Control  measurements  also  were  taken  in  the East  side  and  West  side  of  the  pond. Temperature distribution observed from the early morning through the afternoon exhibited the same pattern with dissolved oxygen distribution as well as stream pattern. Turbidity distribution accumulated  in  the  East  side,  mixed  with  domestic  waste  stream carrying  large  amount suspended  solids.  Salinity  distribution  showed  a  little  bit  different  pattern with  temperature distribution  considering  that  salinity  pattern  was  affected  by  incoming  streams from  bulk seawater in the Northwest and Northeast of the pond.
Analisis Willingness to Participate dari Masyarakat Pesisir Laut dalam Pengelolaan Sampah (Studi Kasus: Kelurahan Pulau Pari, Kabupaten Kepulauan Seribu) Chaerul, Mochammad; Laksana, Winda
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 16, No 3 (2019): November 2019
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.922 KB) | DOI: 10.14710/presipitasi.v16i3.160-171

Abstract

Nowdays, marine debris becomes a major concern globally from many parties. Predicted source contributes to marine debris is settlement located at the coast. While facing several constraints, a municipal solid waste (MSW) management developed by community and local authority, especially taking consideration to keep a tourist attractive. Often, MSW management was applied without any consideration to the willingness of the community as a waste generator. The paper aims to find the willingness to participate related to MSW management from community at the coast with a case study of Pulau Pari Village of Kepulauan Seribu Regency. There were 6 criteria developed in the study namely: community habits, willingness to participate, community identification, environmental concern, social norms, and community perceptions, with the assessment to each subcriteria using likert scale 1-5 from 27 respondents. Subsequently, subcriterion of the participation related to MSW management were preferably chosen by respondent from each criterion. For example, from criterion of community habits the two subcriterion were dominantly chosen namely: pariticipate to provide waste storage (21%) and waste collection and directly sold by themselves (20%). Result of the willingness to participate could be used to determine a system or technology related to MSW management so that it may more sustained, especially to reduce the quantity of waste dumped to the sea.
STUDI PENGEMBANGAN TEKNIS TPA JERUKLEGI KOTA CILACAP JAWA TENGAH DENGAN SISTEM SANITARY LANDFILL Wardhana, Irawan Wisnu
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 6, No 1 (2009): Vol 6, No 1 (2009)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1700.481 KB) | DOI: 10.14710/presipitasi.v6i1.19-27

Abstract

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REVITALISASI SISTEM PENGELOLAAN SAMPAH TERPADU DI KELURAHAN PUDAKPAYUNG SEMARANG Samadikun, Budi Prasetyo; Hadiwidodo, Mochtar; Jusihdani, Atiya Nurul
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 13, No 2 (2016): September 2016
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (657.755 KB) | DOI: 10.14710/presipitasi.v13i2.66-74

Abstract

This study focused on the existing condition of waste management in Pudakpayung Village Semarang and revitalization efforts on the operational aspects, institutional, and community participation, due to the lack of optimization waste management process in the region. By using the survey method, it is known that the placing and sorting process in existing condition have individual place pattern but have not done the sorting activity which is not entirely discarded inWaste Processing Unit Pudakpayung, with collecting periodization in 2 days and 3 times ritation. Waste Processing Unit Pudakpayung only serve 5 RW in the Pudakpayung Village, and partly Gedawang Village area.
TIMBULAN DAN KOMPOSISI SAMPAH DI KAWASAN PERKANTORAN DAN WISMA (Studi Kasus: Werdhapura Village Center, Kota Denpasar, Provinsi Bali) Wardiha, Made W.; Putri, Pradwi S.A.; Setyawati, Lya M.; Muhajirin, Muhajirin
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 10, No 1 (2013): Vol. 10 No. 1 (2013)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (480.416 KB) | DOI: 10.14710/presipitasi.v10i1.7-17

Abstract

ABSTRAK Sampah merupakan salah satu masalah yang potensial di Provinsi Bali. Salah satu sumber sampah di kawasan perkotaan terutama Denpasar adalah perkantoran dan wisma. Werdhapura Village Center merupakan salah satu kawasan perkantoran dan wisma  di Kota Denpasar. Manajemen Werdhapura belum  memiliki  pengelolaan  sampah  yang  terintegrasi.  Oleh  karena  itu,  perlu  dibuat  suatu  rencana pengelolaan  sampah  yang  dimulai  dengan  melakukan  penelitian  mengenai  timbulan  dan  komposisi sampah.  Tujuan  dari  penelitian  ini  adalah  untuk  mengetahui  timbulan  dan  komposisi  sampah  di Werdhapura  dan  memperkirakan  jumlah  sampah  yang  berpotensi  untuk  dikelola.  Penelitian  dimulai dengan  survey  dan  wawancara  mengenai  sumber  sampah  dan  kondisi  eksisting  dari  pengelolaan sampah  di  Werdhapura.  Survey  dilakukan  dengan  meninjau  fasilitas  tempat  sampah,  tempat penampungan  sementara,  dan  sumber-sumber  sampah,  sedangan  wawancara  dilakukan  terhadap manajemen  Werdhapura.  Timbulan  dan  komposisi  sampah dihitung  dengan  metode  SNI  19-3964-1995. Hasil penelitian menunjukkan bahwa volume timbulan sampah sekitar 4,6 m3/hari dan beratnya sekitar 302,3 kg/hari.  Komposisi sampah (% berat) yang terbanyak adalah sisa makanan (26,43%), kertas (18,55%), residu (14,64%), dan sampah organik (10,93%). Sekitar 47,51% dari total sampah di Werdhapura berpotensi untuk didaur ulang yaitu sampah organik, sisa makanan, dan sampah kering. Kata kunci: komposisi, perkantoran dan wisma, sampah, timbulan
PENENTUAN VARIASI RASIO C/N OPTIMUM SAMPAH CAMPURAN (DEDAUNAN DAN SISA MAKANAN) TERHADAP KINERJA COMPOST SOLID PHASE MICROBIAL FUEL CELLS (CSMFC) Lucitawati, Erika; Rezagama, Arya; Samudro, Ganjar
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 15, No 2 (2018): September 2018
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (424.859 KB) | DOI: 10.14710/presipitasi.v15i2.100-105

Abstract

Rasio C/N merupakan salah satu faktor penting pada proses pengomposan dan produksi listrik dalam compost solid phase microbial fuel cells (CSMFC). Rasio C/N menggambarkan nutrisi yang tersedia bagi mikroorganisme dalam CSMFC. Besarnya nilai rasio C/N yang terdapat dalam substrat yang digunakan mempengaruhi kinerja CSMFC. Penelitian ini bertujuan untuk menentukan nilai rasio C/N yang optimum terhadap kinerja CSMFC. Variasi nilai rasio C/N yang digunakan yaitu 30:1, 40:1 dan 50:1. Kadar air diatur pada 60 %. Penelitian dilakukan secara batch selama 23 hari. Parameter yang diujikan berupa suhu, pH, kadar C Organik, N total, P total, K total, rasio C/N, power density, dan Coulombic efficiency. Hasil penelitian menunjukkan bahwa kinerja CSMFC yang optimum terdapat dalam reaktor dengan rasio C/N 30:1 dengan nilai suhu, pH, kadar C Organik, N total, P total, K total, power density, dan Coulombic efficiency secara berturut-turut sebesar 7,1, 27,5 OC, 20,31%, 1,63%, 0,19%, 0,21%, 12,47, 48,02 mW/m2 dan 0,19%.
Total Coliform Sumber dan Sistem Distribusi Air Bersih Rumah Sakit Umum Daerah Ungaran Kabupaten Semarang Sari, Jasmine Purnama; Rahardjo, Mursid; Joko, Tri
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 16, No 2 (2019): Juli 2019
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.361 KB) | DOI: 10.14710/presipitasi.v16i2.97-105

Abstract

RSUD Ungaran menggunakan sumur bor dalam memperoleh air bersih. Total coliform yang terkandung pada sumber air, bak penampung dan ruang Gizi adalah lebih dari 200 CFU/100 ml. Penelitian ini bertujuan untuk mendeskripsikan sumber, sistem distribusi serta efektivitas desinfeksi air bersih. Populasi objek adalah seluruh air bersih RSUD Ungaran, dengan sampel adalah air sumur, bak penampung dan air bersih yang keluar dari kran. Variabel dependen adalah total coliform pada air bersih dan variabel independen adalah kualitas dan kuantitas sumber air, kualitas jaringan distribusi dan dosis desinfektan dengan variabel pengganggu adalah pH dan suhu. Rata-rata pasokan air bersih RSUD Ungaran adalah 2.79 liter/detik. Kapasitas tempat tidur sebanyak 187 dengan kebutuhan 566 liter/tempat tidur/hari. Kebutuhan air bersih rumah sakit 2.48 liter/detik. Kebocoran pipa sering terjadi sehingga menyebabkan bahan pencemar seperti bakteri coliform akibat rembesan septic tank yang berjarak <10 m dengan pipa masuk kedalam air. Penambahan Kalsium Hipoklorit Ca(ClO)2 dosis 10, 15, 20, 25, dan 30 mg/l dengan waktu kontak 30 menit mampu menurunkan total coliform sebesar 98.5% yaitu jumlah rata – rata MPN Coliform kurang dari 3 atau disebut tidak terdapat pertumbuhan mikroorganisme.
PENGARUH WAKTU STABILISASI PADA SEQUENCING BATCH REACTOR AEROB TERHADAP PENURUNAN KARBON Sumiyati, Sri
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 1, No 1 (2006): Vol 1, No 1 (2006)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (67.755 KB) | DOI: 10.14710/presipitasi.v1i1.13-18

Abstract

One  of  biological  wastewater  treatment  process    modification  Sequencing  Batch  Reactor by exploiting  period  of  stabilization  time  earn  to  lessen  capacities  of  total  aeration volume. Mechanism  that  happened  in  this  SBR  modification  same  as  that  happened  in Contact Stabilization.  There  was  existence  process  biosorption,  was  due  to  adsorption  of  the organic matter  onto  sludge  particels,  during  the  contact  period  (fill  -  react  time).This  research aim  to know  influence  of  stabilization  time  to  degradation  of  COD.  This  research,  used  SBR reactor with volume operate for 5 Liter with COD influent consentration 1139.2 mg/L. The variation of stabilization  time  :  3,  4,  5  and  6  hours  and  time  reacted  :  0,5  ;  1  ;  1,5  and  2  hours as independent  variables.  COD  effluent  concentration  as  depended  variable.Result  of research indicate that progressively time of stabilization and concentration COD (mg/L) will experience of efficiency  improvement.  Time  reacted  to  give  influence  the  happening  of  biosorption (the adsorption of organic matter onto sludge particel). The fenomena that happened is degradation of concentration COD will achieve maximum level at the total contact time 1,5 hour. Efficiency of optimum degradation COD become of variation  r/s = 1 : 6.
ANALISIS PENENTUAN MUTU AIR BEBERAPA SUNGAI DI JAWA TENGAH DENGAN METODE STORET DAN INDEKS PENCEMARAN Huboyo, Haryono Setiyo; Nugraha, Winardi Dwi; Indah, Rahmah
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 6, No 2 (2009): Vol 6, No 2 (2009)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (273.231 KB) | DOI: 10.14710/presipitasi.v6i2.1-6

Abstract

There  are  some  river  basin  in  Central  Java,  such  as  Gung  River  Basin, Serayu  River  Basin  and Garang River Basin. Many sector that are dependable on the river resources, while on the hand the quality of the river is decreasing because of the waste water pollutant produced by many human or industrial activities. Therefore, proposal study of water class determination can be done by 2 methods according  to  Environmental  Ministry  Decision  No.  115  year  2003 about  Water  Quality  Status Determination Handbook, which are STORET and Pollution Index (PI). Using those two methods will be determined the real water class through comparison between water quality parameter with defined standard according to PP No. 82 year 2001. The usage of these 2 methods often resulting in different output, because of the difference of equal weight from each parameter and the existence constanta of P at Pollution Index (PI) which not clear relevancy.
STUDI PENURUNAN KEKERUHAN DAN TOTAL SUSPENDED SOLIDS (TSS) DALAM BAK PENAMPUNG AIR HUJAN (PAH) MENGGUNAKAN REAKTOR GRAVITY ROUGHING FILTER (GRF) Samudro, Ganjar; Rulian E, Raden Abadi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 8, No 1 (2011): Vol 8, No 1 (2011)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (255.773 KB) | DOI: 10.14710/presipitasi.v8i1.14-20

Abstract

This research investigated the influence of flowrate and turbidity and total suspended solids level to detention time in GRF reactor. The difference of flowrate could produce the difference of turbidity and total suspended solids level at certainly detention time. The research objects were rain water in rain water reservoir and GRF on laboratory bench scale. The research concluded that optimum flowrate is 5 mL/s with 78% reduction efficiency of turbidity and 79%  reduction efficiency of total suspended solids level which was 100 minutes operating.

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