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ITS » Paper and Presentation » Teknik Manajemen Lingkungan S2
Posted by tondoindra@gmail.com at 09/11/2015 11:19:49  •  983 Views


REKAYASA POLA PERILAKU DINAMIK KINERJA LAPISAN SCHMUTZDECKE PADA SARINGAN PASIR LAMBAT

A CHANGES OF DYNAMIC PATTERN BEHAVIOUR OF SCHMUTZDECKE PERFORMANCE IN SLOW SAND FILTER

Author :
KUSUMAWARDANI, YUSTIKA ( 3312201004 )




ABSTRAK

Saringan pasir lambat merupakan salah satu unit pengolahan air yang dilakukan dengan cara memisahkan air baku dari kandungan kontaminan yang dilewatkan secara perlahan pada media pasir. Pada permukaan media pasir tersebut terbentuk suatu lapisan yang terdiri dari lumpur alluvial limbah organik bakteri alga dan senyawa-senyawa biologi aktif yang dinamakan sebagai lapisan schmutzdecke. Lapisan schmutzdecke merupakan suatu sistem lingkungan yang khusus dan kompleks dimana lingkungan ini juga bersifat dinamis dan terusberubah seiring dengan variasi dari air baku. Kondisi air sungai yang menjadi sumber air baku bersifat komplek dinamis dan probabilistik karena unsur-unsur di dalamnya mengalami gejala transpor dan transformasi serta bervariasi terhadap waktu. Ketika kondisi input lingkungan berubah maka komposisi biofilm lapisan schmutzdecke pun ikut berubah. Faktor yang berpengaruh pada lapisan schmutzdecke diantaranya adalah temperatur kekeruhan konsentrasi nutrisi konsentrasi alga dan oksigen terlarut. Kompleknya faktor-faktor tersebut dapat digambarkan secara sederhana dan sistematis melalui sebuah model dinamik yang mencerminkan hubungan antar variabel yang berpengaruh dalam sistem. Berdasarkan pemikiran tersebut maka diperlukan adanya pendekatan secara sistem dinamik dalam pengkondisian terbaik kinerja lapisan schmutzdecke sehingga diharapkan dapat memperoleh pola perilaku dinamik kinerja lapisan schmutzdecke pada saringan pasir lambat. Pada penelitian ini dengan sistem dinamik telah diperoleh pola perilaku dinamik kinerja lapisan schmutzdecke pada saringan pasir lambat. Dimana berdasarkan simulasi model diketahui bahwa perubahan variabel total N total P dan ketebalan geotekstil merupakan variabel yang berpengaruh signifikan terhadap total coli effluent. Perubahan konsentrasi C sebesar 50 mgL total N sebesar 029 mgL dan total P sebesar 25 mgL berpengaruh pada perubahan total coli 0.


ABSTRACT

Slow sand filter is a water treatment by separating raw water from contaminants. On the surface sand formed a biofilm layer called schmutzdecke. Schmutzdecke was described as a special and complex system environment where the environment dynamic and constantly changing along with the variation of raw water. Condition of water sources is dynamic and probabilistic because the elements experiencing symptoms transport and transformation that varies with time. When the input change the composition of the schmutzdecke changes too . Factors that can affect schmutzdecke there are turbidity nutrient dissolved oxygen and algae. The complexity of the condition for these factors can be described simply and systematically through a model that reflects the relationship between. Therefore it was requires dynamic system approach in the best conditioning schmutzdecke coating performance . Through a dynamic system approach models the behavior of dynamical systems obtained performance schmutzdecke layer on slow sand filter in processing the raw water . Based on the simulation model concentration of N total P total and the thickness of geotextile can significanly influence coli effluent. A changes the condition from concentration of C in the amount of 50 mgL N total 029 mgL and P total 25 mgL can impact the coli effluent 0.



Keywordslapisan schmutzdecke, saringan pasir lambat, sistem dinamik
 
Subject:  Air, penyaringan
Contributor
  1. Prof. Ir. Wahyono Hadi, M.Sc. Ph.D.
Date Create: 09/11/2015
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-paper-33121150008089
Collection ID: 33121150008089
Call Number: RTL 628.164 Kus r


Source
Paper and Presentation of Environment Engineering RTS 332.6 Pra p, 2015

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ITS Community

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Copyright @2015 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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ITS-paper-33121150008089-39452.pdf




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