[IEEE 2010 International Conference on Mechanic Automation and Control Engineering (MACE) - Wuhan,...
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Studies on the Preparation of Polymeric Flocculant of Modified Starch and Its Properties corresponding author LI Yong-feng, PAN Xin-yu, School of Forestry University of Northeast Forestry Harbin 150040, China [email protected] ZHANG Guo-cai, School of Forestry University of Northeast Forestry Harbin 150040, China CHEN Hong School of Forestry University of Northeast Forestry Harbin 150040, China [email protected] [email protected] LI Yong-feng School of Forestry University of Northeast Forestry Harbin 150040, China [email protected] Abstract—Starch is a natural green reagents material with rich resource, regeneration and low cost. The modified starch flocculant has a series of virtues such as wind selection, non- toxicity, biological degradation,et. It is practical significance for developing green flocculant to prepare modified starch flocculant with low cost and effective flocculation, in view of starch these characteristics. The green polymeric flocculant was prepared by virtue of starch grafting acrylamide in the research. Keywords starch; acrylamide; graft copolymerize PH (starch) -D- (C6H10O5)n -D- 2 3 6 [1] A ( ) ( ) 95% B C - 5.0g 100mL 80 15min - - 3h ( I) , 50 978-1-4244-7739-5/10/$26.00 ©2010 IEEE
Transcript of [IEEE 2010 International Conference on Mechanic Automation and Control Engineering (MACE) - Wuhan,...
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Studies on the Preparation of Polymeric Flocculant of Modified Starch and Its Properties
corresponding author LI Yong-feng,
PAN Xin-yu, School of Forestry
University of Northeast Forestry Harbin 150040, China
ZHANG Guo-cai, School of Forestry
University of Northeast Forestry Harbin 150040, China
CHEN Hong School of Forestry
University of Northeast Forestry Harbin 150040, China
[email protected] [email protected]
LI Yong-feng School of Forestry
University of Northeast Forestry Harbin 150040, China
Abstract—Starch is a natural green reagents material with rich resource, regeneration and low cost. The modified starch flocculant has a series of virtues such as wind selection, non-toxicity, biological degradation,et. It is practical significance for developing green flocculant to prepare modified starch flocculant with low cost and effective flocculation, in view of starch these characteristics. The green polymeric flocculant was prepared by virtue of starch grafting acrylamide in the research.
Keywords starch; acrylamide; graft copolymerize
PH
(starch) -D-(C6H10O5)n
-D- 2 3 6
[1]
A
( )(
)
95%
B
C - 5.0g 100mL
80
15min --3h (
I) , 50
978-1-4244-7739-5/10/$26.00 ©2010 IEEE
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5:75 5:50 10:70 10:50 10:30
10.21%
37.50%
82.78%
87.30%
89.90%
60 ( )[2]
D
( )( : =40:60)
24h50 Wp
( ) ( )( )
% 100%Wp Ws
xWs
−= ×
Wp — g
Ws — g
UV-2800AH
[3]
% 100%= ×-c
A Ce4+-S2O82–
Ce4+ S2O82–
2.1
5:75 5:50 10:70 10:50 10:300
20
40
60
80
100
120
140
160
180
200
Ce4+- S2O8
2– 2.1 Ce4+-S2O8
2– 2.1 Ce4+ S2O82
Ce4+ Ce3+ S2O82 Ce4+Ce3+ Ce4+ Ce4+
B Ce4+-S2O82–
Ce4+ S2O82–
Ce4+ S2O82-
: Ce4+ + e = Ce3+ S2O8
2– + 2e = 2SO42–
S2O82– + 2Ce3+ 2SO4
2– + 2Ce4+
Ce4+ Ce3+ S2O82– Ce4+,
Ce3+- Ce4+
Ce4+ 2.2Ce4+-S2O8
2– Ce4+
Ce4+:S2O82– 5:75
Ce4+- S2O82–
2.2 Ce4+- S2O82–
C -
[4] --
2.3 2.4 [5]
Singh [6]
50.3% 53.7%
[7]
[8]
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2.3 -
2.4 -
1 2 Ce4+ S2O8
2– Ce4+
Ce3+ S2O82– Ce4+ Ce3+ Ce4+
Ce4+
Ce4+
863 (2006AA05Z109),
(GRAM09),071605122
( GRAM10) .
REFERENCES [1] XIAO Jin,ZHOU Qin Natural macromolecular flocculating
agent[M].Beijing: Chemical industry press,2005 [2] HU Qing-ping,MA Tao Corn starch grafted acrylamide synthetic
[M].Wuxi University of light,2003.1:77-81. [3] YANG Sheng-yu,ZHANG Peng-pai,MA Wu-sheng,ZHU Xian-feng.
Ultraviolet spectrophotometry analysis for the determination of trace of acrylamide study [J]. Food science and technology,2005,1:81-83.
[4] GAO Hng-hai,WANG Yan,WU Guo-fei,CHEN Hai-sheng. Starch - acrylic monomers pp-g-peg study [J].journal of guangzhou chemistry,2006,1:61-66.
[5] WANG Ping. Acrylamide copolymers starch of research and application [J]. New materials,1996,8:26-29.
[6] Singh O P.Graft copolymerization of starch with acrylamide, III [J]. Die Angewwandte Makromolekulare Chemie 1984, 122: 193-201.
[7] PAN Song-han. Starch gelatinization on starch - polypropylene grafted copolymer was [J].journal of fine chemical industry,1993,4:56-60
[8] ZHOU Shi-ying,WU Pei-gen,YANG Zhe-feng. Starch and propylene amide properties of copolymers [J]. Journal of Wuxi institute of light,1992,11(3):223-228.
