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øߎXƂۺȻXˇо

øߎXƂۺȻXˇо

ժҪҪоÃ(yu)|(zh)ߎXVԭϣڲκXԭϵėlƂۺȻXPACķ^(gu)Y(ji)@ʾߎXVӽ(jng)^(gu)700ߜџ1hٽ(jng)÷ִͶϺͺڼӰˮϡጷɫ@91.2Xʺ 53.6}(B)wa(chn)ƷXĺ22.7

P(gun)I~ߎX Ƃ ۺȻX

һǰ

ۺȻXPolyaluminum Chloride,(jin)QPACַQAʽȻXuȻXͨʽ[ Al2(OH)nCl6-n]m Alm(OH)nCl3m-n(m<10,n1~5)һN(gu)(ni)⃞(yu)ğo(w)C(j)߷ӃˮPACζ᝭ˮl(f)ˮ⣬ͬr(sh)Sl(f)늻W(xu)ۡͳW(xu)^(gu)̣лܺwЧʸɱm÷Vȃ(yu)c(din)Ҫڃˮͽoˮˮ|(zh)̎FkȾ͵߀ˮI(y)Uˮ̎

Ŀǰ҇(gu)ߎXVa(chn)YԴʮS(j)Ї(gu)|(zh)Va(chn)оԺ飬䃦(ch)_(d)230.45f(wn)ɰܛ|(zh)ߎXmϴҎ(gu)ģa(chn)ijоñVa(chn)YԴ(jng)џһϵвEƂˮPACԝM(du)(gu)(ni)100f(wn)t/a M(jn)h(hun)a(chn)I(y)İl(f)չҪ(hu)(jng)(j)Ч

(sh)(yn)

SC(j)ijظߎXԇՓMɿɱʾAl2O32SiO22H2O(jng)^(gu)ϴɫ@120ĿˮϴߎXҪW(xu)ɷ֞(|(zh))SiO2 49.97, A12O3 35.03, Fe2O3 1.91

.(sh)(yn)ԭ

ߎX(ʽAl2O32SiO22H2O ) ͨ^(gu)џ, Óˮ:

O32SiO22H2O Al2O32SiO22H2O   2H2O

ߎXc}ᷴ(yng):

l2O32SiO2 HC l AlCl3 SiO2  H2O

VSiO2,һl¿ɉAʽȻX:

6H2OAl2(OH)nCl6-n

mˮM(jn)ˮۺϷ(yng)

(OH )nCl6-n   mx H2OAl2(OH )nCl6-nX H 2O m

îa(chn)Ʒ

.Ҫxԇ

t(A(sh)(yn)x޹˾)

늟ظ䣨˹޹˾

شӟᔇK݇(gu)AxS

Ӌ(j)Ϻ܃x޹˾

f(wn)ÿ{(dio)늠t

^(gu)V

}᣺|(zh)?jn)?sh)25

ˮܶȞ25g/L

}᣺s0.5mol/L

1 12Һ

Һ0.05mol/L

c_Һ:s3.3mol/L

Һ:500g/L

Ȼ\(bio)(zhn)ζҺ0.0200mol/L

c(bio)(zhn)ζҺ0.1000mol/L

׷ӳָʾҺ5g /L

.(sh)(yn)E

ĥ^(gu)ĸߎXƷt(ni)M(jn)700ߜџ,(jng)^(gu)1Сr(sh)󣬵õɫ۠ĸߎXһƿм25}95mlƿc(din)ʽضӋ(j)95ȻƿںشA(y)ٌ32gķ۠ߎXӷͶƿÿͶһκҪӟᔇs10Ͷ^m(x)ӟᔇֹӟ^(gu)Һl(f)ʧƿһbԁ(li)ˮsҺ(yng)3.5Сr(sh)25g/LİˮM(jn)ϡֱҺPHֵs3.0-5.0֮gõSɫҺwҺxόӵõҺwڜضȞ100늠tl(f)s(dng)ƿڟo(w)@wųƿ?j)?ni)(yng)ӽSɫr(sh)ֹͣl(f)ڳsõSɫĩļˮʎܽͬr(sh)քey(c)PHֵӵһˮõPH4.0-4.5ĻҰɫҺwr(sh)Ü\Sɫw󼴵îa(chn)Ʒ

.a(chn)ƷX}(B)Ĝy(c)

ȡ2.8~3.0gwa(chn)Ʒʽӣ_0.0002gˮܽ⣬ȫ500mlƿˮϡ̶uҺȡ20ml250mlFƿ2mlҺ1mins20mlEDTAҺc_Һ{(dio)(ji)PHs3þPHԇz(yn)2mins10mlc_Һ2~4ζ׷ӳָʾҺȻ\(bio)(zhn)ζҺζҺɵSɫ׃?yu)΢tɫKc(din)10mlҺӟ΢s˕r(sh)Һ(yng)SɫҺʼtɫtμҺSɫȻ\(bio)(zhn)ζҺζҺɫĵSɫ׃?yu)΢tɫKc(din)ӛ䛵ڶεζĵȻ\(bio)(zhn)ζҺweVt|(zh)ٷ?jn)?sh)ʾXAl2O3X1ʽӋ(j)飺

=Vc0.05098/m500/20100=127.45Vc/m(1)

ʽ(1) : VڶεζĵȻ\(bio)(zhn)ζҺweml;

Ȼ\(bio)(zhn)ζҺČ(sh)Hmol/L;

ԇϵ|(zh)g;

.05098c1.00mlȻ\(bio)(zhn)ζҺ[c(ZnCl2)=1.000 mol/L]ஔ(dng)?sh)Կ˱ʾX|(zh)

Qȡs0.6gwa(chn)Ʒʽ_0.0002g20~30mlˮ250mlFƿСҺܼ25ml}Һwϱڷˮԡϼӟ10min,sҜ25mlҺu5ηָ̪ʾҺÚc(bio)(zhn)ҺζҺʬF(xin)΢tɫKc(din)ͬr(sh)ò̼sˮհ׌(sh)(yn)԰ٷֱȱʾ}(B)X2(}ȶxcXĮ(dng)ٷֱһ÷̖(ho)BʾB=1[OH]/3[Al]100,ʽ[OH][Al]OHAlĮ(dng)

(sh)(du)ͨʽ[Al2(OH)nCl6-n]m Alm(OH)nCl3m-n(m<10,n1~5)(li)f(shu)B=n/6100.)ʽӋ(j)飺

=V1-V2c0.01699/ mX1/100100=169.9(V1-V2)c/mX1(2)

ʽ(2): V1հ׌(sh)(yn)Ěc(bio)(zhn)ζҺwe,ml;

-y(c)ԇĚc(bio)(zhn)ζҺwe,ml;

c(bio)(zhn)ζҺĝ,mol/L;

-ʽ(1)Мy(c)õXAl2O3ĺ,;

.01699~1.00mlc(bio)(zhn)ζҺ[c(NaOH)=1.000mol/L] ஔ(dng)?sh)Կ˱ʾX|(zh)

Y(ji)c

.ߎXџ

 

Aڭh(hun)Ƽ޹˾ɽ(ni)дџߎXИI(y)I(y)(j)(x)32580010001250Ŀ a(chn)50-200ÿa(chn)ܣɼg(sh)D(zhun)׌ɳO(sh)䣬a(chn)Ʒ

Aڭh(hun)Ƽ޹˾I(y)YԴáߎXИI(y)a(chn)ĻD(zhun)G\(yn)D(zhun)ʿ10%a(chn)5%10%ܺĽ20%ңa(chn)_(d)50-500t/dӹ(ji)ܭh(hun)ֱԃ18637113703(΢̖ͬ(ho))Aڭh(hun)Ƽ˾\(chng)(w)Sr(sh)gӭǰ(li)^!

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