User profiles for Deog-Keun Kim

Deog-Keun Kim

Korea Institute of Energy Research
Verified email at kier.re.kr
Cited by 3359

Blending effects of biodiesels on oxidation stability and low temperature flow properties

JY Park, DK Kim, JP Lee, SC Park, YJ Kim… - Bioresource technology, 2008 - Elsevier
To improve the oxidation stability and the low temperature flow properties of a biodiesel mixture,
the dependence of the oxidation stability and the cold filter plugging point (CFPP) on the …

Transesterification of vegetable oil to biodiesel using heterogeneous base catalyst

HJ Kim, BS Kang, MJ Kim, YM Park, DK Kim, JS Lee… - Catalysis today, 2004 - Elsevier
Biodiesel produced by the transesterification of vegetable oils (VOs) is a promising alternative
fuel to diesel regarding the limited resources of fossil fuel and the environmental concerns…

The heterogeneous catalyst system for the continuous conversion of free fatty acids in used vegetable oils for the production of biodiesel

YM Park, DW Lee, DK Kim, JS Lee, KY Lee - Catalysis Today, 2008 - Elsevier
Biodiesel produced by the transesterification of vegetable oils (VOs) has recently become
more attractive on account of its environmental and economical benefits. In this work, a …

Esterification of free fatty acids using water-tolerable Amberlyst as a heterogeneous catalyst

JY Park, DK Kim, JS Lee - Bioresource technology, 2010 - Elsevier
To produce biodiesel from high free fatty acid (FFA) oils, the esterification characteristics of
two kinds of heterogeneous acid catalysts, Amberlyst 15 and Amberlyst BD20, were compared…

Effects of SO2 and NO on growth of Chlorella sp. KR-1

JS Lee, DK Kim, JP Lee, SC Park, JH Koh, HS Cho… - Bioresource …, 2002 - Elsevier
Effects of the toxic compounds in flue gas, SO x and NO x , on growth of Chlorella sp. KR-1
have been determined. Although growth of KR-1 was suppressed by the toxic compounds, KR…

Effects of water on the esterification of free fatty acids by acid catalysts

JY Park, ZM Wang, DK Kim, JS Lee - Renewable Energy, 2010 - Elsevier
To maximize the production of biodiesel from soybean soapstock, the effects of water on the
esterification of high-FFA (free fatty acid) oils were investigated. Oleic acid and high acid …

Esterification of used vegetable oils using the heterogeneous WO3/ZrO2 catalyst for production of biodiesel

…, JY Lee, SH Chung, IS Park, SY Lee, DK Kim… - Bioresource …, 2010 - Elsevier
Tungsten oxide zirconia, sulfated zirconia and Amberlyst-15 were examined as a catalyst for
a conversion of used vegetable oils (VOs) to fatty acid methyl esters (FAMEs). Among them, …

Production and characterization of biodiesel from trap grease

JY Park, JS Lee, ZM Wang, DK Kim - Korean Journal of Chemical …, 2010 - Springer
The feasibility of the production of biodiesel from trap grease containing 51.5% free fatty
acids (FFAs) was investigated. The esterification of FFAs by an acid catalyst followed by the …

Biodiesel production from crude canola oil by two-step enzymatic processes

MG Jang, DK Kim, SC Park, JS Lee, SW Kim - Renewable Energy, 2012 - Elsevier
Crude canola oil (CCO) contains about 100–300ppm of phospholipids, which have shown
negative effects on biodiesel/buffer solution phase separation, resulting in low biodiesel …

Production and characterization of biodiesel from tung oil

JY Park, DK Kim, ZM Wang, P Lu, SC Park… - … April 29–May 2, 2007, in …, 2008 - Springer
The feasibility of biodiesel production from tung oil was investigated. The esterification reaction
of the free fatty acids of rung oil was performed using Amberlyst-15. Optimal molar ratio of …