STUDI PENGARUH CAMPURAN MAHKOTA DEWA DAN BENTONIT SEBAGAI ADSORBEN TERHADAP TINGKAT PENYERAPAN LOGAM KROM DARI LIMBAH CAIR ELEKTROPLATING

KURNIAWAN, ANDRE TAUFIK and Bustan, Muhammad Djoni and Haryati, Sri (2020) STUDI PENGARUH CAMPURAN MAHKOTA DEWA DAN BENTONIT SEBAGAI ADSORBEN TERHADAP TINGKAT PENYERAPAN LOGAM KROM DARI LIMBAH CAIR ELEKTROPLATING. Master thesis, Sriwijaya University.

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Abstract

Many methods have been used to separate the chromium from the wastewater, such as ion exchange resins, chemical treatment, and biosorption. Biosorption is a process in which solid natural resources are used for adsorption heavy metals dissolved in the wastewater. This research has focused on the utilization of adsorbent from a mixture of Mahkota Dewa (phaleria macrocarpa) and bentonite with mass ratio 2:1. As an Adsorber of chromium in electroplating industry wastewater. The sample used was the electroplating industry wastewater and synthesis sample. The variable used in the research is the concentration of chromium before and after treatment, contact times, flow rate, and size of the adsorbent. Experimental results show that the amount of chromium adsorbed increases with increasing contact time. Rapid reduction of chromium concentrations occur at regular intervals up to 50 minutes, flow rate also influenced the decrease in chromium concentrations, the smaller flow rate the greater chromium can adsorb. Analysis of liquid waste using a spectrophotometer. The high chromium removed occurs of contact time 50 minutes, flow rate 1,7 mL/s, and 2,3 mL/s, and high adsorbent packing 60 cm is 33,74 % with a maximum adsorption capacity. Adsorption isotherm model appropriate for this research is Langmuir Isotherm with a linear value of 0,932.

Item Type:	Thesis (Master)
Uncontrolled Keywords:	: Biosorpsi, Mahkota dewa, Krom heksavalen, Electroplating, Isoterm Adsorpsi.
Subjects:	T Technology > TD Environmental technology. Sanitary engineering > TD172-193.5 Environmental pollution
Divisions:	03-Faculty of Engineering > 24101-Chemical Engineering (S2)
Depositing User:	Users 10094 not found.
Date Deposited:	20 Jan 2021 07:39
Last Modified:	20 Jan 2021 07:39
URI:	http://repository.unsri.ac.id/id/eprint/40671

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