Heat Shocking of Clostridium Strain P11 to Promote Sporulation and Ethanol Production

K. D. Ramachandriya;  M. J. DeLorme;  M. R. Wilkins

doi:10.13031/2013.32721

Heat Shocking of Clostridium Strain P11 to Promote Sporulation and Ethanol Production

Biological Engineering ◽

10.13031/2013.32721 ◽

2010 ◽

Vol 2 (2) ◽

pp. 115-131 ◽

Cited By ~ 8

Author(s):

K. D. Ramachandriya ◽

M. J. DeLorme ◽

M. R. Wilkins

Keyword(s):

Ethanol Production ◽

Clostridium Strain P11

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Ethanol production from syngas by Clostridium strain P11 using corn steep liquor as a nutrient replacement to yeast extract

Bioresource Technology ◽

10.1016/j.biortech.2011.03.047 ◽

2011 ◽

Vol 102 (11) ◽

pp. 6494-6501 ◽

Cited By ~ 102

Author(s):

Prasanth Maddipati ◽

Hasan K. Atiyeh ◽

Danielle D. Bellmer ◽

Raymond L. Huhnke

Keyword(s):

Ethanol Production ◽

Yeast Extract ◽

Corn Steep Liquor ◽

Nutrient Replacement ◽

Steep Liquor ◽

Clostridium Strain P11

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The effects of increased corn-ethanol production on U.S. natural gas prices

10.32469/10355/6535 ◽

2009 ◽

Author(s):

Jarrett Whistance

Keyword(s):

Natural Gas ◽

Ethanol Production ◽

Corn Ethanol ◽

Natural Gas Prices

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DECOLOURIZATION AND COD REMOVAL OF WASEWATER FROM ETHANOL PRODUCTION PROCESS FROM MOLASSES BY COAGULANTION USING INORGANIC ALUM

Science and Technology Development Journal ◽

10.32508/stdj.v13i3.2146 ◽

2010 ◽

Vol 13 (3) ◽

pp. 92-102

Author(s):

Trung Duc Le

Keyword(s):

Ethanol Production ◽

Oxygen Demand ◽

Cod Removal ◽

Treated Wastewater ◽

Treatment Processes ◽

Physico Chemical ◽

Biological Methods ◽

Treatment Step ◽

Main Material

The industrial production of ethanol by fermentation using molasses as main material that generates large quantity of wastewater. This wastewater contains high levels of colour and chemical oxygen demand (COD), that may causes serious environmental pollution. Most available treatment processes in Vietnam rely on biological methods, which often fail to treat waste water up to discharge standard. As always, it was reported that quality of treated wastewater could not meet Vietnameses discharge standard. So, it is necessary to improve the treatment efficiency of whole technological process and therefore, supplemental physico-chemical treatment step before biodegradation stage should be the appropriate choice. This study was carried out to assess the effect of coagulation process on decolourization and COD removal in molasses-based ethanol production wastewater using inorganic coaglutant under laboratory conditions. The experimental results showed that the reductions of COD and colour with the utilization of Al2(SO4)3 at pH 9.5 were 83% and 70%, respectively. Mixture FeSO4 – Al2(SO4)3 at pH 8.5 reduced 82% of colour and 70% of COD. With the addition of Polyacrylamide (PAM), the reduction efficiencies of colour, COD and turbidity by FeSO4 – Al2(SO4)3 were 87%, 73.1% and 94.1% correspondingly. It was indicated that PAM significantly reduced the turbidity of wastewater, however it virtually did not increase the efficiencies of colour and COD reduction. Furthermore, the coagulation processes using PAM usually produces a mount of sludge which is hard to be deposited.

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