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KAJIAN LITERATUR MENGENAI PEMANFAATAN BAHAN ALAM SEBAGAI FLOKULAN UNTUK PEMANENAN CHLORELLA VULGARIS SYLVA HUTASOIT; INDRA PANGGABEAN; NINA JULIANA ROBERTA TURNIP; ASTITI ADITIA
JURNAL ILMIAH MAKSITEK Vol 5 No 4 (2020): JURNAL ILMIAH MAKSITEK
Publisher : LP2MTBM MAKARIOZ

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Research studies on microalgae such as Chlorella vulgaris have been widely carried out because they can be used invarious field. Chlorella vulgaris is a promising source of raw materials for oil, food, animal feed, pharmaceuticals, cosmeticproducts and high-value products. However, their use is hindered by the large volume harvesting process. Flocculation isseen as a cheap and promising harvesting method as a technique for harvesting microalgae to obtain large amounts ofbiomass. Metal salts such as alum and ferric chloride are commonly used as flocculants in the microalgae harvestingprocess. However, its use creates metal residues on the harvested biomass, so that other solutions are sought to obtainflocculants. Natural flocculants derived from natural ingredients need to be studied and developed their potential forharvesting microalgae. Apart from being environmentally friendly compared to chemical flocculants, another advantage isthat it is abundant in nature and renewable. Among natural flocculants, corn kernels, chitosan, Moringa oleifera seeds andcellulose have been developed through several studies related to their use as flocculants. The results obtained were thatnatural flocculants were able to reduce turbidity, anionic surfactants and other colloidal particles in water treatment usingflocculation techniques. However, it needs to be further reviewed regarding its use in the flocculation process of Chlorellavulgaris by considering several parameters.
PENGOLAHAN AIR LIMBAH MENGGUNAKAN BIOREAKTOR MEMBRAN (BRM) ASTITI ADITIA
JURNAL ILMIAH MAKSITEK Vol 5 No 4 (2020): JURNAL ILMIAH MAKSITEK
Publisher : LP2MTBM MAKARIOZ

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Knowing the origin of wastewater is the basic foundation for designing a waste treatment unit and selecting an effectivetechnology for treating waste. The composition of the wastewater flow will fluctuate depending on the waste water containedin it. When untreated wastewater accumulates and discharged directly into the environment, the decomposition process oforganic matter contained in wastewater will lead to conditions that can disrupt the life of living things around the wastewaterdisposal site, for example, foul smelling gas occurs. In general, wastewater treatment is carried out in four stages,preliminary treatment, primary treatment, secondary treatment, and tertiary treatment. Secondary treatment is also calledbiological treatment because it involves the role of several microbes in the waste or the addition of some microbes to thesystem. Activated sludge system is generally used in the wastewatwer treatment, but there are several disadvantages, oneof the major problems is the quality of the effluent. Therefore, it is necessary to combine the activated sludge system with amembrane bioreactor which can produce good quality effluent, and it can be operated at high MLSS concentrations, so it cantreat a larger volume of wastewater.
Co-Authors INDRA PANGGABEAN NINA JULIANA ROBERTA TURNIP SYLVA HUTASOIT