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ITS » Master Theses » Teknik Manajemen Lingkungan S2
Posted by anis at 09/01/2007 07:53:21  •  15506 Views


LAJU SERAPAN LOGAM PB DALAM CATTAIL TYPHA LATIFOLIA DENGAN METODE HIDROPONIK DAN LAHAN BASAH BUATAN

Author :
CORSITA, LIEZA 




ABSTRAK

Limbah cair industri khususnya industri otomotif elektroplating dan pertambangan biasanya mengandung Pb dengan konsentrasi tertentu yang dapat menimbulkan dampak toksik bagi makhluk hidup. Untuk itu diperlukan alternatifpengolahan secara alami dengan memanfaatkan sistem akar tanaman Typha latifolia dalam sistem lahan basah buatan. Oleh karena itu perlu diteliti daya serap Pb oleh tanaman dengan mencari laju serapan melalui pendekatan persamaan Michaelis-Menten. Penelitian dilakukan dalam rumah tanaman dan iaboratorium dimana dilakukan variasi terhadap umur tanaman media tanam konsentrasi limbah dan intensitas penyiraman limbah. Sampling dilakukan pada tanah dan tanaman dengan intensitas penyiraman limbah 2x hari ke-4 4x hari ke-8 6x hari ke-12 8x hari ke-16 dan 10 x hari ke-20. Parameter yang diperiksa adalah kandungan Pb pada lanah akar batang dan daun tanaman. Hasil pengamatan dan pemeriksaan menunjukkan bahwa laju pertumbuhan Typha latifolia menggunakan media tanah dan pasir untuk tanaman umur 3 bulan mengalami penurunan namun berkebalikan terhadap laju penyerapan logam Pb yang maksimum ditunjukkan dengan nilai Vmaks sebesar 22573 mgkghari dan Km sebesar 3562 lhari. Keefektifan penyerapan Pb oleh tanah lebih tinggi yaitu sebesar rata-rata 99 dibandingkan tanaman. Faktor umur tanaman konsentrasi limbah dan jenis media tanam mempengaruhi penyerapan logam pada tanaman secara signikan P 0004.


ABSTRACT

Industrial waste water particularly automotive industry electroplating and mining commonly contain Pb where any particular concentration of lead could impact on human beings. Havings aid that research on treatment alternatives by utilizing plant root system is required in constructed wetland treatment. In order to measure the utilization it was necessary to examine absorption rate using Michaelis-Menten equation. The research was carried out in green house and laboratory where variations to plant life spans planting media waste concentration and waste springkling intensity was implemented Samplings were conducted through the soil and plants after the plants were watered for 2x day4 4x day 8 6x day 12 8x day 16 and Wx day 20. The observed parameters were contens of Pb in soil and sand roots rhizomes and leaves of plants. Results of observations and examinations indicated that the growing rates of Typha latifolia using media of soil and sand for plants whose life spans 3 months were decreased but on the contrary the absorption rates ofPb increased as indicated by Vmax value at 22573 mgkgday and Km at 3562 lday. Pb absorption by soil is much higher at average 99 . Plant life spans waste concentrations and planting media were the main factors which affected Pb absorption to plants. P 0004.



KeywordsTypha latifolia ; Hidroponik ; Lahan basah buatan ; Laju serapan Pb.
 
Subject:  Pembuangan Limbah
Contributor
  1. Dr.Ir.Eddy Setiadi Soedjono, M.Sc.
    Ir.Agus Slamet, M.Sc.
Date Create: 09/01/2007
Type: Text
Format: pdf; 75 pages
Language: Indonesian
Identifier: ITS-Master-3100002015231
Collection ID: 3100002015231
Call Number: 628.3 Cor l


Source
Theses Environmental Engineering RT 628.3 Cor l, 2002

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