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INDONESIA
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 398 Documents
 1   2   3   4   5 
Pemanfaatan Komposit Biosorben Tanah Liat dan Arang Bambu dalam Mengurangi Kandungan Zat Warna pada Limbah Cair Industri Batik Tamyiz, Muchammad; Hidayah, Natasya Nur; Salsabella, Aulianita; Maulidiyah, Takrimatul
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 (384 KB) | DOI: 10.14710/presipitasi.v16i3.152-159

Abstract

The batik industry in Indonesia is one of the small and medium business sectors (SMEs) which is a source of work for some people. The batik industry produces various kinds of liquid waste, one of which is dyes including remazol dyes. In this research, clay and bamboo charcoal which are activated by HCl 1 M were made into a composite biosorbent with a ratio of clay and bamboo charcoal (80%: 20%). In this study, two variables are used, namely dose and contact time variation. The results of removal efficiency for variable adsorbent doses and contact time respectively were 30.00% and 31.33%. FTIR spectrum analysis shows wave numbers 1338.64 and 1309.71 cm-1 which is the C-H bending region. The peak at wave number 1539.25 cm-1 with strong and tapered absorption is identified as aliphatic C-C strains which are functional groups of activated charcoal. The spectrum gives a clay-charcoal composite specification when the absorption peak at wave number 3462.34 cm-1 there is an interaction between O-H in clay and O-H in charcoal, causing an increase in absorption intensity. The use of clay and bamboo charcoal biosorbent can reduce levels of dyes in batik industry liquid waste.
KEMAMPUAN PENYERAPAN ECENG GONDOK TERHADAP AMONIAK DALAM LIMBAH RUMAH SAKIT BERDASARKAN UMUR DAN LAMA KONTAK (STUDI KASUS: RS PANTI WILASA, SEMARANG) Badrus Zaman; Endro Sutrisno
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 (68.657 KB) | DOI: 10.14710/presipitasi.v1i1.49-54

Abstract

Growing of Eichhornia crassipes (Mart), Solms) depend on environmental factors e.g. material organics, sun lighting, water depth, salinity, and pH . However this plant have ability to absorb organic element, organic compound, and other chemical element that can be able to use as biological absorber in waste water treatment.The research is to know the effect of contact time and age of  Eichhornia crassipes (Mart), Solms) toward of ammonia concentration in hospital waste water.The method of this research is Experimental design with One Group Pre Test Post Test Design. The outcome of the research have shown that average ammonia concentration decrease with young plants is 62,17 % at 2 days contact time, 87,1 % at 4 days contact time, and 94,3 % at 6 days contact time. With old plant  ammonia concentration decrease 79,35 % at 2 days contac time, 97,61 at 4 days contact ime, and 98,4 % at 6 days contact time. From the result can be conclude that plant of Eichhornia crassipes (Mart), Solms) had significant ablility to descrease of ammonia concentration in waste water.
OPTIMALISASI PRODUKSI MIX BED DENGAN PENAMBAHAN REAMANING DI PLTGU TAMBAK LOROK SEMARANG Ariyanto, David; Handariansah, Handariansah
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 (495.899 KB) | DOI: 10.14710/presipitasi.v13i2.44-47

Abstract

PLTGU Tambak Lorok Semarang merupakan pembangkit combined cycle yang memiliki 6 HRSG (Heat Recovery Steam And Generator) sebagai penghasil uap untuk operasional STG. Untuk itu diperlukan air demin sebagai air penambah dalam jumlah yang banyak guna menghasilkan uap. Raw water yang merupakan hasil dari desalination plant selanjutnya akan diolah ke dalam sistem mixbed. Indikator nilai kerja dari suatu kerja mix bed yaitu remaining. Remaining merupakan nilai total volume air demin yang dihasilkan oleh mix bed. Nilai desain remaining dari mix bed yaitu sebesar 5100, akan tetapi setelah mencapai remaining nol nilaikonduktivity masih menunjukkan nilai < 0,8 µS/cm. Untuk itu diperlukan penambahan remaining untuk semua mix bed, dengan penambahan tersebut akan menambah jumlah produksi dari mix bed sendiri dan tentunya akan mengurangi jumlah regenerasi. Program ini sudah dilaksanakan mulai bulan Oktober 2015 – Juni 2016, dan didapat nilai penambahan jumlah air demin sebesar 54.300 m3. Sedangkan pengurangan limbah B3 sebesar 378.642 liter.
STUDI PENURUNAN KONSENTRASI NIKEL DAN TEMBAGA PADA LIMBAH CAIR ELEKTROPLATING DENGAN METODE ELEKTROKOAGULASI Samudro, Ganjar; Junaidi, Junaidi
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 9, No 2 (2012): Vol 9, No 2 (2012)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (365.678 KB) | DOI: 10.14710/presipitasi.v9i2.96-106

Abstract

Limbah cair industri elektroplating mengandung logam berat yang berbahaya sehingga  pengolahan terhadap limbah hasil elektroplating agar dapat diminimalisir dampaknya terhadap lingkungan.Sebagian besar mengolah air limbah mereka berdasarkan coagulantion-floculantion sistem. Hal ini nyaman dalam pengolahan biaya dan jumlah besar lumpur mengakibatkan, terutama untuk yang di industri berbasis logam. Penelitian ini dilakukan untuk menemukan teknologi alternatif baru berdasarkan elektrokoagulasi dan flotasi. Percobaan dilakukan secara batch 1 liter untuk 120 menit, arus searah dari 5 A dan tegangan 3 V pada densitas arus 40, 50, 60, dan 70 mA/cm2 dan Aluminium jenis elektroda dan Iron. From percobaan dapat diperoleh nilai efficiency elektrokoagulasi dari contaminan Ni adalah 95% dan Cu adalah 98% pada kepadatan arus 70mA/cm2 dan waktu procees dari 120 menit.
MASTERPLAN SISTEM PENGELOLAAN AIR LIMBAH DOMESTIK DI WILAYAH PERKOTAAN KABUPATEN SUKOHARJO Oktiawan, Wiharyanto; Hardyanti, Nurandani; Damayanti, Poerborini
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 (553.969 KB) | DOI: 10.14710/presipitasi.v15i2.69-78

Abstract

Di Indonesia, air limbah domestik merupakan pencemar terbesar yang masuk ke badan air.Pemantauan dan pengendalian air buangan dapat dilakukan salah satunya denganmeningkatkan pelayanan dalam hal sanitasi. Pemerintah menetapkan target terhadap tahun2015-2019 antara lain 100% capaian pelayanan akses air minum, 0% proporsi rumah tanggayang menempati hunian dan permukiman tidak layak (kumuh) di kawasan perkotaan dan 100%capaian pelayanan akses sanitasi. Perencanaan masterplan ini bertujuan untuk menyediakanfasilitas sanitasi yang memadai dalam pengelolaan air limbah domestik terutama di wilayahperkotaan Kabupaten Sukoharjo. Masterplan ini akan mengkaji aspek teknis-teknologis dalamperencanaan pengelolaan air limbah domestik. Pada masterplan ini direncanakan akandibangun 3 buah IPAL skala perkotaan dan 8 buah IPAL skala permukiman besar yang akanmelayani 20% penduduk perkotaan Kabupaten Sukoharjo. IPAL skala perkotaan direncanakanterdapat 2 buah di Kecamatan Grogol dan 1 buah di Kecamatan Kartasura. IPAL skalapermukiman besar direncanakan terletak di Kecamatan Kartasura, Kecamatan Gatak, 2 buah diKecamatan Baki, masing-masing 1 buah di Kecamatan Bendosari, Gatak, Polokarto danKecamatan Sukoharjo. Selain itu, untuk pelayanan sistem setempat direncanakan 3 (tiga)daerah pelayanan IPLT yang dibangun secara bertahap. Tahap pertama yaitu optimalisasi IPLTEksisting (IPLT Mojorejo), tahap kedua yaitu pembangunan IPLT di Desa Bekonang KecamatanMojolaban, dan tahap ketiga pembangunan IPLT di Desa Grajegan Kecamatan Tawangsari.IPLT direncanakan dapat melayani sekitar  70% penduduk perkotaan.
STUDI KELAYAKAN INSTALASI PENGOLAHAN LUMPUR TINJA KOTA SALATIGA Nasrullah Nasrullah
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 (123.393 KB) | DOI: 10.14710/presipitasi.v3i2.16-24

Abstract

Salatiga’s Faecal Sludge Treatment Installation is used for the treatment of faecal sludge which is collected from  the  septic  tank  before  it’s  discarded  to  the  environment.  The  purpose  is  to improve  the municipal  sanitation  health  condition.  Based  on  the  local  health  department  of Salatiga  in  2005, 79%  Salatiga’s  resident  has  using  septic  tank  facilities.  The  Faecal  Sludge Treatment was planned for the next 20 years with the capacity of 6 m3/day and supported by stabilization system basin. The feasibility study is conducted to determine weather the Faecal Sludge  Treatment  Installation  is  suitable or  not.  Some  aspects  such  as  financial,  social, economics  and  technical  aspect  are  important  to be  considered.    The  investment  cost  to establish  this  installation  is  IDR  722.207.600  (tax included).  From  the  investment  planning evaluation  report,  FSTI  is  not  supported  financially because  the  period  payback  had unreachable to the end of planning session, the internal rate of return hadn’t achieved to the lowest rate of interest and the benefit cost ratio is lower than 1 which is 0,98. However the FSTI still  can  be  operated  because  the  other  aspects  are  still  support  the  FSTI construction  plan, which is technical, social, economic and regulation aspects.
Penerangan Jalan Umum Tenaga Surya: Studi Kasus di Kota Pangkalpinang Febrianto, Andika; Sunanda, Wahri; Gusa, Rika Favoria
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 (336.23 KB) | DOI: 10.14710/presipitasi.v16i2.76-82

Abstract

This research was conducted to design public street lighting photovoltaic, based on SNI 7391:2008 concerning specifications of public street lighting in urban areas with several parameters that were considered by poles, lights used, intensity of light needed, number of lights needed and supporting equipment for public street lighting photovoltaic. Currently, Jenderal Sudirman road in the city of Pangkalpinang along 1.5 km uses electricity from PLN with 30 units of 150 watt SON lamps and 11 lux light intensity. The design obtained for street lighting photovoltaic while still meet SNI for light intensity, obtained supporting equipment for solar street lighting, namely 31 unit of 8 meter octagonal poles with specifications of 40 watt LED lights for each cross arm, 1 unit of 100 Wp solar panels, unit of 100 Ah VRLA batteries and 1 unit of solar charger controller (10A, 12V / 24V).
SEWAGE SLUDGE GASIFICATION CASE STUDI IN RURAL INDIA Budisulistiorini, Sri Hapsari
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 4, No 1 (2008): Vol 4, No 1 (2008)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (183.361 KB) | DOI: 10.14710/presipitasi.v4i1.69-74

Abstract

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STUDI ASPEK RETRIBUSI, KELEMBAGAAN, HUKUM DAN PERAN SERTA MASYARAKAT DALAM PENGELOLAAN PERSAMPAHAN BERBASIS MASYARAKAT (STUDI KASUS KELURAHAN KROBOKAN KECAMATAN SEMARANG BARAT) Budihardjo, Mochamad Arief
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 5, No 2 (2008): Vol 5, No 2 (2008)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1875.018 KB) | DOI: 10.14710/presipitasi.v5i2.82-89

Abstract

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PENGARUH KONDISI SISTEM DRAINASE, PERSAMPAHAN DAN AIR LIMBAH TERHADAP KUALITAS LINGKUNGAN (Studi kasus Kelurahan Kuningan Kecamatan Semarang Utara) Oktiawan, Wiharyanto; Amalia, Setia
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 9, No 1 (2012): Vol 9, No 1 (2012)
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.49 KB) | DOI: 10.14710/presipitasi.v9i1.41-50

Abstract

Kelurahan Kuningan in the district of north Semarang meet with enviromental quality and people’s healthy degree decrease cause by poor drainage system, solid waste and waste water management. This  case  had  been  caused  several  disease  that  disturb  people’s  healthy.  The  purposes  of  this research was  to  know  the  existing condition  of drainage  system, solid  waste and waste  water in KelurahanKuningan, to know the influence of existing condition into enviromental quality and people’s healthy, to give an overcoming solution connected with PenyehatanLingkunganPemukiman program that  points  on  people  in  this  development  area.  Method  used  in  this  research  is  observation, questionaire and  interview, BOD concentration measurement  in drainage line and secondary  data collection include institution aspect, operational, financial, law and also people’s role. Results of this research show that BOD concentration in tertiary, secondary and primary drainage line is over from PP No.82 tahun 2001. Calculation results show the available pump is not enough to take the water debit from domestic rain that accumulated with domestic waste water, plus when the flood tide and flood from the higher area. The condition is getting worse by stucking trash in line that causing disease and  become  sediment.  Waste  water  distribution  system  in  this  area  is  not  appropriate  with  high density population and also public MCK as sanitation place is careless. That case caused the unclean enviromental and people have to expend extra money to take the medicine and to buy clean water. The  recommended  overcoming  solutions  are  formating the  pumping  team  and  public  MCK  team management,  increasing  pumping  capasity,  maintenance  budget,  exploiting  the  sediment,  3R program, waste water distribution system with communal system and public MCK fixed up.

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