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ITS » Undergraduate Theses » Biologi
Posted by dv@its.ac.id at 19/04/2016 15:23:04  •  590 Views


POTENSI SEL CHLORELLA SP. INAKTIF SEBAGAI BIOSORBEN LOGAM BERAT CD2

Chlorella sp. INACTIVE CELLS AS A POTENTIAL CADMIUM BIOSORBENT

Author :
HANIFA, LAILY ( 1510100041 )




ABSTRAK

Pencemaran logam berat Kadmium Cd di perairan dapat mengganggu kestabilan ekosistem di perairan karena logam sukar untuk didegradasi. Pencemaran logam berat secara tidak langsung dapat terakumulasi melalui rantai makanan. Chlorella sp. adalah mikroalga yang dapat digunakan sebagai agensia bioremediasi yang baik dan tidak banyak memiliki efek samping yang dapat merugikan lingkungan. Penelitian ini bertujuan untuk mengetahui daya resistensi Chlorella sp. terhadap logam Cd2 dan mengetahui potensi biosorben sel Chlorella sp. inaktif terhadap logam pada media yang terpapar Cd2. Penelitian ini menggunakan metode kultur Chlorella sp. yang kemudian dilakukan penonaktifan dengan cara memasukan kultur Chlorella sp. ke dalam oven dengan suhu 600C. logam Cd dengan konsentrasi 5 10 dan 15 mgL dimasukkan ke dalam bioreaktor yang berisi Chlorella sp. inaktif dan analisa logam diukur menggunakan Atomic Absorption Spechtrophotometri AAS sehingga akan didapatkan data biosorpsi logam Cd pada sel Chlorella sp.inaktif serta data efisiensi biosorpsi Chlorella sp. Inaktif terhadap logam Cd. Sel Chlorella sp. inaktif mampu resisten sampai dengan konsentrasi 15 mgL. Kemampuan biosorpsi tertinggi terdapat pada pemaparan konsentrasi 1494 mgL dengan biosorpsi sebesar 033 mg. L-1. bb-1 dengan waktu pemaparan 120 menit. Efisiensi biosorpsi tertinggi terjadi pada konsentrasi 502 mgL


ABSTRACT

Heavy metal pollution of Cadmium Cd in water can destabilize the ecosystem in the waters because the metal is difficult to degrade. Heavy metal pollution indirectly can accumulate through the food chain. Cholorella sp. is a microalgae that can be used as bioremediation agents are good and do not have a lot of side effects that can harm the environment. This study aimed to Know resistance ability of Chlorella sp. the metal Cd2 and determine the potential biosorben Chlorella sp cells. inactive against the media exposed metal Cd2 . This study uses the culture of Chlorella sp. is then performed by entering inactifity culture of Chlorella sp. into the oven with a temperature of 600C. metal concentrations of Cd with 5 10 and 15 mg L added into the bioreactor containing Chlorella sp. inactive and metal analysis Spechtrophotometri measured using Atomic Absorption AAS so that the data will be obtained metal biosorption of Cd on cell Chlorella sp. Inactive as well as data biosorption efficiency of Chlorella sp. Inactive against Cd metal. Resisten ability cells Chlorella sp. till concentration 15 mgL. The highest biosorption capabilities contained in the exposure concentration 14.94 mg L to 0.33 mg biosorption. L-1. bb-1 with an exposure time of 120 minutes. The highest biosorption efficiency occurs at a concentration of 5.02 mg L at the time of exposure to 120 is equal to 4.48 per wet weight.



KeywordsBiosorben; chlorella sp.; daya resistensi; kadmium
 
Subject:  Cadmium--bioreactors
Contributor
  1. Dr. Enny Zulaika, MP
Date Create: 19/04/2016
Type: Text
Format: pdf
Language: Indonesian
Identifier: ITS-Undergraduate-15001160008700
Collection ID: 15001160008700
Call Number: RSBi 571.954 662 Han p


Source
Undergraduate Theses of Biology, RSBi 571.954 662 Han p, 2014

Coverage
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Rights
Copyright @2016 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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  1.  ITS-Undergraduate-41222-1510100014-Abstract_id.pdf - 197 KB
  2.  ITS-Undergraduate-41222-1510100014-Abstract_en.pdf - 197 KB
  3.  ITS-Undergraduate-41222-1510100014-Conclusion.pdf - 181 KB




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