Oil expelling of dehulled sunflower: Optimization of screw pressing parameters

2018 ◽  
Vol 43 (1) ◽  
pp. e13852 ◽  
Author(s):  
D. Mridula ◽  
Dhritiman Saha ◽  
R. K. Gupta ◽  
Sheetal Bhadwal
Keyword(s):  
2002 ◽  
Vol 79 (2) ◽  
pp. 165-170 ◽  
Author(s):  
K. K. Singh ◽  
D. P. Wiesenborn ◽  
K. Tostenson ◽  
N. Kangas

2004 ◽  
Author(s):  
K. Tostenson ◽  
D. Wiesenborn ◽  
D. Lipp ◽  
N. Kangas ◽  
Y. Zheng

2014 ◽  
Vol 931-932 ◽  
pp. 1568-1573
Author(s):  
Kittipong Laloon ◽  
Somposh Sudajan

The objective of this research was to study on charcoal block production from eucalyptus bark using screw press unit. The physical and thermal properties of charcoal and factors affecting the testing units performance, which were mixing ratios by weight of eucalyptus bark charcoal: cassava starch: water content (1: 0.10: 0.75, 1: 0.15: 0.75 and 1: 0.20: 0.75) and screw pressing speeds (90, 105, 120 and 135 rpm) were studied. The optimum of screw press unit was screw pressing speed of 120-135 rpm and a mixing ratio by weight of eucalyptus bark charcoal: cassava starch: water content of 1: 0.15: 0.75. The test result at the feed rate of 140 kg/hr indicated that the machine had a capacity of 119.71-121.95 kg/hr, specific energy consumption of 12.33-12.73 W-hr/kg, charcoal block bulk density of 467.55 to 468.88 kg/m3, charcoal strength of 152.58 to 153.60 kPa and heating value of 21.95 MJ/kg for charcoal block moisture content of 7.46 % (w.b.)


2003 ◽  
Vol 80 (10) ◽  
pp. 1039-1045 ◽  
Author(s):  
Yun-ling Zheng ◽  
Dennis P. Wiesenborn ◽  
Kristi Tostenson ◽  
Nancy Kangas
Keyword(s):  

2002 ◽  
Vol 45 (4) ◽  
Author(s):  
K. K. Singh ◽  
D. Wiesenborn ◽  
N. Kangas ◽  
K. Tostenson
Keyword(s):  

Author(s):  
J. A. Gallagher ◽  
J. M. M. Adams ◽  
L. B. Turner ◽  
M. E. Kirby ◽  
T. A. Toop ◽  
...  

Abstract Red algae, belonging to the phylum Rhodophyta, contain an abundance of useful chemicals including bioactive molecules and present opportunities for the production of different products through biorefinery cascades. The rhodophyte Palmaria palmata, commonly termed dulse or dillisk, grows predominantly on the northern coasts of the Atlantic and Pacific Oceans and is a well-known snack food. Due to its abundance, availability and cultivation capacity, P. palmata was selected for study as a potential candidate for a biorefinery process. In addition to studying juice and solid fractions of freshly harvested P. palmata, we have investigated the novel possibility of preserving algal biomass by ensilaging protocols similar to those employed for terrestrial forage crops. In the metabolite partitioning within the solid and liquid fractions following screw-pressing, the majority of the metabolites screened for—water soluble carbohydrates, proteins and amino acids, lipids, pigments, phenolics and antioxidant activity—remained in the solid fraction, though at differing proportions depending on the metabolite, from 70.8% soluble amino acids to 98.2% chlorophyll a and 98.1% total carotenoids. For the ensiling study, screw-pressed P. palmata, with comparative wilted and chopped, and chopped only samples, were ensiled at scale with and without Safesil silage additive. All samples were successfully ensiled after 90 days, with screw-pressing giving lower or equal pH before and after ensiling compared with the other preparations. Of particular note was the effluent volumes generated during ensiling: 26–49% of the fresh weight, containing 16–34% of the silage dry matter. This may be of advantage depending on the final use of the biomass.


Sign in / Sign up

Export Citation Format

Share Document