Chlorine free extraction of cellulose from rice husk and whisker isolation

... method for the extraction of bioflocculants from activated sludge. Key words: activated sludge, bioflocculants, flocculating activity Introduction Flocculants are used in a wide range of ... The present study aimed to develop an effective extraction method for bioflocculants from activated sludge. Microbial polymers obtained from activated slud...

Ngày tải lên: 05/09/2013, 09:08

... percolation. Journal of Water and Environment Technology, Vol. 6, No.2, 2008 - 113 - Evaluation of Loading Rate of Nitrogen from Rice-Paddies by Small Watershed Method Yoshitaka SUGIMOTO*, ... absorbance (260 nm) method; nitrite nitrogen by the diazonation method; ammonium nitrogen by the indophenol blue method; nitrate nitrogen by suppress...

Ngày tải lên: 05/09/2013, 09:38

... 0.998 Journal of Water and Environment Technology, Vol. 7, No. 2, 2009 - 43 - Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon Son Van ... adsorbent - iron-modified rice husk carbon (RH-Fe)- which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effe...

Ngày tải lên: 05/09/2013, 09:38

... In this study, runoff characteristics of the materials from citrus grove were investigated and their behaviors in the collecting reservoirs were discussed. The main results obtained from the ... part of the hill and the streams flow together from 47 m above sea level. The water in the stream is the leachate from the grove and it flows i...

Ngày tải lên: 05/09/2013, 10:17

... shrinking and looking very “flabby” when we get old. This is a process most of us call “aging.” How to Free Yourself of ANY Disease, Stop Fatigue, And Create Unstoppable Energy in Your Life. ... show you here, and experience the many incredible changes in your life. I promise you, How to Free Yourself of ANY Disease, Stop Fa...

Ngày tải lên: 07/11/2013, 21:15

... Products journal homepage: www.elsevier.com/locate/indcrop Extraction of anthocyanins from industrial purple- fleshed sweetpotatoes and enzymatic hydrolysis of residues for fermentable sugars E. Nicole Bridgers a , ... anthocyanin and phenolic concentrations during anthocyanin extraction from purple- fleshed ISPs. In addition, the effect of initial extraction...

Ngày tải lên: 05/05/2014, 08:39

... rhizome of Curcuma longa L. High- efficient column chromatographic extraction (CCE) proce- dures were developed for the extraction of curcumin from turmeric. Turmeric powder was loaded into a column ... communication High- efficient column chromatographic extraction of curcumin from Curcuma longa Pei-Yin Zhan a , Xue-Hua Zeng a , He-Ming Zhang b, ⇑ , Hai-...

Ngày tải lên: 01/07/2014, 13:23

... of ethanol. To determine the effect of different acid concentrations on the hydrolysis 2M solution of concentrated H 2 SO 4 was prepared and 10g of the leached maize cobs and groundnut shells ... 4M, 4.5M and 5M of H 2 SO 4 and the various acid concentrations recorded. Using the best concentration of H 2 SO 4 (4.5M), a mixture of maize cobs...

Ngày tải lên: 06/07/2014, 18:20

... because of the affect of polyphenols, tea main components, which may be as high as 30 – 35 % in dried weight of fresh tea shoots [2, 18, 20]. Tea polyphenols consist of several types of catechins ... studied for extraction polyphenols from tea. There is already a report done on the use of MAE for extraction of tea polyphenols [8]. Commercial dried gre...

Ngày tải lên: 22/07/2014, 10:21

... in a sub-adult female population of North India. The study is intended to formulate standards for the estimation of stature from the foot and its parts in a sub-adult female population of North ... 15 of Government Schools located in villages Nanakpur, Marranwala and Bassolan of Tehsil Kalka, District Panchkula in Haryana state of No...

Ngày tải lên: 10/08/2014, 21:24

... RESEARCH Open Access How is Telemedicine perceived? A qualitative study of perspectives from the UK and India Melisa Martínez Álvarez 1* , Rupa Chanda 2 and Richard D Smith 1 Abstract Background: ... er the auspices of the World Trade Organisation), which is misplaced as a significant amount of trade takes place regionally or bi-laterally. We report her...

Ngày tải lên: 11/08/2014, 14:21

... The objective of the present study was to compare the health-related quality of life (HR-QoL) of survivors from severe sepsis and septic shock with HR-QoL in others who survived critical illness ... survivors from severe sepsis and septic shock have a similar HR-QoL to that of survivors from critical illness admitted without sepsis....

Ngày tải lên: 12/08/2014, 20:20

... at a flow rate of 0.45 mL/min for 6 h. 2.4. Extraction of a -tocopherol and g -oryzanol from rice bran using solvent extraction A 1 g sample of rice bran was extracted using 100 mL of hexane at a ... remainder of procedure and conditions are all the same as before. 2.5. Extraction of a -tocopherol and g -oryzanol from rice bran using vacuum soxhlet...

Ngày tải lên: 17/08/2014, 21:37

... www.elsevier.com/locate/carbpol Chlorine- free extraction of cellulose from rice husk and whisker isolation Simone M.L. Rosa, Noor Rehman, Maria Inez G. de Miranda, Sônia M.B. ... increase the understanding of rice husk cellulose thermal properties. The effects of temperature on amorphous and crystalline regions of ri...

Ngày tải lên: 08/10/2014, 06:05

Ngày tải lên: 20/10/2014, 21:48