Feasibility of microalgae culturing on Dairy waste for biodiesel production

Author(s):  
FATMA ZAKY ◽  
EFFAT SHABANA ◽  
HANAA SHALABY
2020 ◽  
Vol 849 ◽  
pp. 27-33
Author(s):  
Harun Pampang ◽  
Chandra Wahyu Purnomo ◽  
Rochim Bakti Cahyono

In dairy waste treatment plant, there was sludge accumulation of material organic sediment on the bottom of the container. This sludge has a very strong odor, brownish and high organic content. Commonly used as fertilizer, animal feed, and biodiesel production. An alternative treatment processed by using anaerobic digestion is used in this study to produce biogas. The sludge was placed in anaerobic fixed bed continuous reactor with packing media support variation using bioball, natural zeolite, and bioring. The reactor was operated in batch 21 days with volume 30 liters. The effect of differences supported media on biogas production was investigated. In this study was obtained that fixed-bed reactor with supported zeolite media was the highest biogas production and sCOD removal up to 89.66%.


2020 ◽  
pp. 149-159
Author(s):  
Jatinder Kataria ◽  
Saroj Kumar Mohapatra ◽  
Amit Pal

The limited fossil reserves, spiraling price and environmental impact due to usage of fossil fuels leads the world wide researchers’ interest in using alternative renewable and environment safe fuels that can meet the energy demand. Biodiesel is an emerging renewable alternative fuel to conventional diesel which can be produced from both edible and non-edible oils, animal fats, algae etc. The society is in dire need of using renewable fuels as an immediate control measure to mitigate the pollution level. In this work an attempt is made to review the requisite and access the capability of the biodiesel in improving the environmental degradation.


2016 ◽  
Vol 5 (3) ◽  
pp. 38-43
Author(s):  
Windi Monica Surbakti ◽  
Gerson Rico M.H ◽  
Mersi Suriani Sinaga

Glycerol as a byproduct of biodiesel production was approximately formed 10% of the biodiesel weight. Impurities which contained in the glycerol such as catalyst, soap, methanol, water, salt, and matter organic non glycerol (MONG) have a significant effect on the glycerol concentration. So, it is necessary to treat the impurities. The purpose of this study is to know the effect of chloroform to glycerol purification process with acidification method using hydrochloric acid as pretreatment process. This research was begun with acid addition to the glycerol to neutralize the base content and to split the soap content into free fatty acid and salt, that are more easily separated from glycerol. Then the process was continued with extraction by the solvent chloroform using the variable of test volume ratio (v/v) (1:1, 1:1.5, 1:2)  and the extraction time (20, 40, and 60 minutes). The results showed that the more volume of solvent used, gave less extraction time to produce high purity of glycerol. The highest purity produced in this study amounted to 90,9082% is obtained at the ratio of the volume solvent (v/v) 1:1 with extraction time 60 minutes.


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