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NGHIÊN CỨU ỨNG DỤNG NHỰA TRAO ĐỔI ION TRONG PHÂN LẬP ACID SHIKIMIC TỪ ĐẠI HỒI [FULL]

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+ > Ca 2+ >Mg 2+ > K + > Na +<br />

3 - > CrO - 4 >Br - > SCN - >Cl -<br />

anionit<br />

+ OH - > SO - 4 > CrO - 4 > NO - 3 > PO 3- 4 >MoO 2- 4 > HCO - 3 > Br - > Cl - > F -<br />

dodiacetic:<br />

+ Cu 2+ > Pb 2+ > Fe 3+ > Al 3+ > Cr 3+ > Ni 2+ > Zn 2+ > Ag + ><br />

Co 2+ >Cd 2+ >Fe 2+ >Mn 2+ >Ba 2+ >Ca 2+ >>Na +<br />

+<br />

1.3.2.5 3]<br />

RSO 3H + Na + + Cl - RSO 3Na + + H + + Cl -<br />

2RSO 3 H + Ca 2+ + 2Cl - (RSO 3 ) 2 Ca + 2H + +2Cl -<br />

RCOOH + Na + + OH - RCOONa + H 2O<br />

c.<br />

-COOH, -<br />

-<br />

- +<br />

Cat<br />

và OH -<br />

R-H + + NaCl R-Na + H + + Cl -<br />

2R-Na + CaSO 4 (R) 2Ca + Na + + SO 4<br />

2-<br />

Anion<br />

R-SO 3 Na + H + R-SO 3 H + + Na +<br />

(R-SO 3 ) 2 Ca + 2H + 2R-SO 3 H + Ca 2+<br />

R-OH + HCl R-Cl + H 2 O<br />

Quá trình tái sinh:<br />

RCl + NaOH ROH + NaCl<br />

1.3.2.6<br />

-<br />

2+<br />

và Ca 2+ + .<br />

-<br />

+<br />

và K + .<br />

-<br />

21<br />

22<br />

t.<br />

- Xúc tác:<br />

DIỄN ĐÀN TOÁN - LÍ - HÓA 1000B TRẦN HƯNG ĐẠO TP.QUY NHƠN<br />

2<br />

+<br />

Sưu tầm bởi GV. Nguyễn Thanh Tú<br />

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