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Jurnal Teknologi Lingkungan Universitas Trisakti
Published by Universitas Kristen Petra Surabaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Social,
Environmental Science
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 5, No 2 (2009): DESEMBER 2009" : 5 Documents clear
SIMULASI MODEL TRANSPOR SEDIMEN TERSUSPENSI UNTUK MENDUKUNG PERENCANAAN PELABUHAN TELUK BAYUR, SUMATERA BARAT Sugianto, Denny Nugroho
Jurnal Teknologi Lingkungan Universitas Trisakti Vol 5, No 2 (2009): DESEMBER 2009
Publisher : Jurnal Teknologi Lingkungan Universitas Trisakti

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Abstract

Simulation model of suspended sediment to support development planning for Teluk Bayur port. The survey was conducted at Teluk Bayur sea waters during September 2008, where this area is development planning for Teluk bayur port. Objective of research is known suspension sediment transport at dredging area and dumping site for development planning of Teluk Bayur port at Teluk Bayur, Province of West Sumetera. Grab sampler was used to carry sediment bottom and Nansen bottle was used collect water sample for total suspended sediment (TSS). Analysis of hydrodynamic pattern used modeling system by software SMS 8.1 (Surface Water Modeling System) with SED2D module. The result had shown that TSS is above sea water standard for marine organism, between 6,0 – 10,0 mg/L. Therefore bottom sediment was dominated by sand, and then silt and gravel. The result of modeling shown that sediment transport depends of monsoon current pattern, where sediment transport to east-northeast on west monsoon and to northwest-north on east monsoon. Dredging and dumping site activity due to decreasing water quality at construction time.
PENGOLAHAN AIR LIMBAH EMULSI MINYAK-DETERJEN DENGAN PROSES ELEKTROKOAGULASI MENGGUNAKAN ELEKTRODA ALUMINIUM Iswanto, Bambang; Silalahi, Mawar DS; Purnama, Fiqqy Dwinarizki
Jurnal Teknologi Lingkungan Universitas Trisakti Vol 5, No 2 (2009): DESEMBER 2009
Publisher : Jurnal Teknologi Lingkungan Universitas Trisakti

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Abstract

Wastewater Treatment for Detergen-Oil Emulsion with Electrocoagulation Process using Aluminium Electrode. Household waste water consists mainly of oil and detergent which can give a bad impact for the environment, hard elaborated by microorganisms. This research executed with the waste treatment process electrocoagulation continuing using electrocoagulation reactor in laboratory scale. In this process is used to increase the concentration of NaCl Dissolved Aluminium decomposition, variation detergent 10 mg/L, 30 mg/L and 50 mg/L with 1 ml of oil comparison, variations in the concentration of NaCl used was 0 g/L, 0.5 gr / L, 1 g / L and the variation of time to stay 45 seconds, 55 seconds, 60 seconds and variations rapid mixing 150 rpm, 180 rpm, 200 rpm. Rapid mixing in floculation unit is 20 rpm with a settling time for 2 hours. In the research results obtained with the optimum operating conditions the concentration of NaCl 0.5 gr/L, rapid mixing of 150 rpm and detention time 45 seconds, with detergen concentration 10 mg/L COD was 92.68%, BOD 83.60%, TSS 93.52%, Detergent 99.29 %, Oil and Grease 94.55%, TKN 90.40%, VSS 93.49%,Total Phosphat 88.92%, Turbidity 98.43%, Dissolved Aluminium 0,02 mg / L. From optimum condition which in obtaining upper to be applicable in domestic sewage.
KAJIAN KUALITAS AIR SUNGAI CIPINANG BAGIAN HILIR DITINJAU DARI PARAMETER BOD DAN DO MENGGUNAKAN MODEL QUAL2E Damarany, Purnisa; Fachrul, Melati Ferianita; Astono, Widyo
Jurnal Teknologi Lingkungan Universitas Trisakti Vol 5, No 2 (2009): DESEMBER 2009
Publisher : Jurnal Teknologi Lingkungan Universitas Trisakti

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Abstract

Assesment water quality of the downstream Cipinang river using QUAL2E model (BOD and DO as parameter). QUAL2E is a water quality modeling which able to simulate water quality’s changing in Cipinang river with BOD and DO discharging in this river. Analytical research is carried out in the downstream Cipinang river, which starts from Halim to the meet point of Cipinang river and Sunter river in Cipinang Bawah. The scenario in this research is done to know Cipinang river’s water quality after the adding of waste debit to reach 3 and 6 with BOD concentration’s about 162.73 mg/L and 161.23 mg/L while the results of fields sampling as the first condition. This river is divided to 7 reaches and into small parts as an element. The result of hydraulics simulation shows that debit, velocity and depth of this river are in statistical condition, except in reach 3 and 6. The simulation water quality’s result shows that BOD’s curve down with the cumulative of river’s distant. It’s just going up in reach 3 and 6 while DO concentration is in the fluctuation way. This model uses hydraulic calibration, BOD and DO constant calibration, and water quality calibration using BOD and DO as parameter with 3 comparison which are field sampling’s result, streeter-phelps model and QUAL2E simulation output. BOD and DO concentration have been far from the decision of Governor Jakarta No.582 year 1995 and it makes the ecosystem decreasing. The strategies to solve this problem that can be done for example make the velocity become 1.2 m/s, river depth become 0.5 m, up the DO concentration about 80%, down the BOD concentration in reach 1, 3 and 6 about 96.34%, 96,31% and 96,71% using communal WWTP, monitoring drainage systems that entering into this river and make waterfall as the aeration for coming up the DO.
TINGKAT KEASAMAN (pH) DAN OKSIGEN TERLARUT SEBAGAI INDIKATOR KUALITAS PERAIRAN SEKITAR MUARA SUNGAI CISADANE Susana, Tjutju
Jurnal Teknologi Lingkungan Universitas Trisakti Vol 5, No 2 (2009): DESEMBER 2009
Publisher : Jurnal Teknologi Lingkungan Universitas Trisakti

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Abstract

Acidity and dissolved oxygen as indicator of water quality for Cisadane estuary. A lot of waste which flows into the rivermouth of Cisadane River were considered to influence to degree of acidity (pH) value and oxygen concentration of that waters. The change of those values will be indicator of waters quality. Based on that condition, the research at the rivermouth of Cisadane and at vicinity was carried out in 2003 – 2005 and two different monsoon. As long as those periods the waters quality were increased, the degree of acidity was increased between 0.88% - 3.49%, whereas oxygen concentration between 12.55% - 39.15%. The influence of river flows with a lot of organic matter were caused the lower of oxygen concentration and pH value. The oxygen concentration at the Cisadane River just 1.89 ml/l and pH 6.8. The lowest of those parameters were equal to the highest of nitrate concentration (29.53 μgA/l). Nevertheless those condition were better after to river outside.
PENGARUH pH PADA PROSES KOAGULASI DENGAN KOAGULAN ALUMINUM SULFAT DAN FERRI KLORIDA Wardani, Rachmawati S.; Iswanto, Bambang; Winarni, Winarni
Jurnal Teknologi Lingkungan Universitas Trisakti Vol 5, No 2 (2009): DESEMBER 2009
Publisher : Jurnal Teknologi Lingkungan Universitas Trisakti

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Abstract

Influence of pH in the Coagulation Process Using Aluminum Sulphate and Ferric Chloride. Coagulation occurs by interaction of coagulant with the contaminant such as colloidal particles. Coagulation process influences by several factors i.e. pH, dosages, and turbidity. This research studies the influence of pH and dosages in the coagulation and flocculation process using aluminum sulphate (Al2(SO4)3..14,3H2O ) and ferric chloride (FeCl3.6H2O). Artificial suspensions using kaolin represents high turbidity suspension (124 NTU) and medium turbidity suspensions (51 NTU) are prepared in this research. Result suggests pH and dosages has significant impact for aluminum sulphate, whereas ferric chloride provides a wider range of pH than aluminum sulphate.

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