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The electroplating industry produces liquid waste containing a small number of heavy metals but is toxic. Wastewater containing chromium Cr absorbed into the soil will affect soil fertility. Waste management is needed so that the abiotic and biotic environment is not poisoned by Cr. Bioremediation using bacterial and fungal microbes are applicable to reduce Cr levels in electroplating liquid waste. The purpose of this research was to investigate the reduction level of Cr in electroplating liquid waste through bioremediation using Bacillus subtilis and Saccharomyces cerevisiae.

Laboratory experiments were conducted using variations in microbial concentrations 10 2. The initial Cr concentration and the results of the bioremediation process were determined by measuring the absorbance and the Cr levels using Atomic Absorption Spectrophotometry AAS.

Based on experiments, the use of Bacillus subtilis 10 2. Furthermore, the use of a microbial mixture of Bacillus subtilis and Saccharomyces cerevisiae 10 2. Next, Saccharomyces cerevisiae 10 5 cells ml -1 with 6-hours, hours, and hours incubation time was able to reduce levels of Cr in a row by The results of this study indicate that the bioremediation process using the microbial Bacillus subtilis and Saccharomyces cerevisiae is proven to reduce the levels of Cr in the electroplating industry wastewater.

The highest reduction results were achieved on the use of hour incubation time and the use of Bacillus subtilis with a concentration of 10 2. Ahemad, M. Akhmad, F. Inokulasi bakteri pereduksi kromium heksavalen sebagai upaya bioremediasi lahan pasca tambang. EnviroScienteae, 7, 12— Das, M. Microbial chromium degradation: Biological evolution, mitigation and mechanism. Advances in Applied Science Research, 6 5 , 6— Focardi, S. Rosekranz Eds. Rijeka, Croatia: InTech.

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Ribeiro, V. Bringing together Saccharomyces cerevisiae and bioactive compounds from plants: A new function for a well-known biosorbent. Journal of Functional Foods, 60, Sadyrbaeva, T. Removal of chromium VI from aqueous solutions using a novel hybrid liquid membrane—electrodialysis process.

Chemical Engineering and Processing: Process Intensification, 99, — Sharaf, S. Reduction of Hexavalent Chromium from Chrome Shavings. International Journal of Advance Industrial Engineering, 1 1 , 24— Verma, S. Bioremediation of heavy metals by microbial process. Wazeck, J. The influence of old leather tannery district on chromium contamination of soils, water, and plants. Natural Science, 5 2 , — Login Register. Article Tools Print this article.

Indexing metadata. How to cite item. Email this article Login required. Email the author Login required. Keywords Activated carbon Adsorption carrier Boron Corn cobs Irrigation Volume Manure Salinity Sandy Soil Secondary metabolites Slow release Soybean Zeolite amendment gene humic substance iron excess iron homeostasis salinity transcription factor turfgrass water content. Notifications View Subscribe. Journal Help. User Username Password Remember me.

Abstract The electroplating industry produces liquid waste containing a small number of heavy metals but is toxic. Keywords Bioremediation; Bacillus subtilis; Chromium heavy metal; Electroplating liquid waste; Saccharomyces cerevisiae. Full Text: PDF. References Ahemad, M. Peraturan Menteri. Tamam, M. Faktor yang Mempengaruhi Pertumbuhan Mikroorganisme. Mikrobiologi Umum. Malang: UMM Press.

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Limbah minyak

Akurasi Terperiksa. Limbah minyak adalah buangan yang berasal dari hasil eksplorasi produksi minyak , pemeliharaan fasilitas produksi , fasilitas penyimpanan, pemrosesan, dan tangki penyimpanan minyak pada kapal laut. Pada umumnya, pengeboran minyak bumi di laut menyebabkan terjadinya peledakan blow aut di sumur minyak. Tumpahan minyak di laut berasal dari kecelakaan kapal tanker. Akibat yang ditimbulkan dari terjadinya pencemaran minyak bumi di laut adalah: [5].


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