Page 140 - 《精细化工》2023年第4期
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2.1.4 ᕨႁ䯆⢴ܳᲽ ϻఫ 5 ज㻮喑PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆⮱⌨
ఫ 4 ͧ PVDF 㛉হ PEG/GO/TiO 2 /PVDF ⮱ᕨႁ ߍᬻ᭫倅γ PEG/GO/TiO 2 /PVDF ⮱ HA ⪆⢴喑
䯆⢴ȡ ᒀ PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆䉕䛼ܳͧ 0.60%
ᬣ喑0.60% PEG/GO/TiO 2 /PVDF ڤᰶᰭҠ⮱ HA ⪆
⢴喑ͧ 96.8%喑℁ PVDF 㛉ߍ 7.7%ȡ
ఫ6ͧPVDF㛉হPEG/GO/TiO 2/PVDF⮱㛉䕇䛼ȡ
ఫ 4 PVDF 㛉হ PEG/GO/TiO 2 /PVDF ⮱ᕨႁ䯆⢴
Fig. 4 Total porosity of PVDF membrane and PEG/GO/
TiO 2 /PVDF
ϻఫ 4 ज㻮喑ᒀ PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆䉕
䛼ܳϻ 0 㜠 0.60%ᬣ喑ฺव䊲␑㛉⮱ᕨႁ䯆⢴ ఫ 6 PVDF 㛉হ PEG/GO/TiO 2 /PVDF ⮱㛉䕇䛼
Fig. 6 Membrane flux of PVDF membrane and PEG/GO/
๔ȡᄳڤᰶϟⅡᕔ⮱ PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆ᣧ TiO 2 /PVDF
ڒ PVDF 䨥㛉⋟͚ज᭫㦄ߍᔘ䲋⏣ݯহ⏣ݯᱽ᫆
䬡⮱э䉕䕌⢴喍Ⅱᰡᔘౝព᪐ݝ⋟ᔮ㖇व➖㛉͚喎喑 ϻఫ 6 ज㻮喑̻ PVDF 㛉Ⱕ℁喑PEG/GO/TiO 2 /
हᬣᑧ Į Ⱕ⮱ᒏহ PVDF ⮱ᬍჇᒏᕔ䉕喑PVDF PVDF ⮱ J w ȠJ p হ J r ̻ᕨႁ䯆⢴হ HA ⪆⢴ॵ
⩞λᬍ∂ۼ䒨⮱Ꮑ߈হᒏ⮱㷯◦㔹ϔ⩌ᑞ◦喑 ٵߍऻ䭺ѻ⮱䊸߬ȡᒀ PEG/GO/TiO 2 ㏠ㆠฺवᱽ
ᰭ㏵ᒏႁ䯆喑ₑӰ䔈γ㛉ႁ⮱ᒏহ倅γ㛉⮱ ᫆䉕䛼ܳͧ 0.60%ᬣ喑0.60% PEG/GO/TiO 2 /PVDF
2
ᕨႁ䯆⢴ [43] ȡᒀ PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆䉕䛼ܳ 㛉䕇䛼䓫ݝᰭ๔喑ڣ͚ J w ͧ 282.44 L/(m ·h)ȠJ p ͧ
2
2
ͧ 0.60%ᬣ喑0.60% PEG/GO/TiO 2/PVDF 䓫ݝᰭ๔⮱ 131.96 L/(m ·h)ȠJ r ͧ 194.98 L/(m ·h)喑ܳݘͧ PVDF
2
2
2
ᕨႁ䯆⢴喑ͧ 85.57%喑℁ PVDF 㛉ߍ 13.40%ȡ♣ 㛉Ȳ133.80 L/(m ·h)Ƞ90.50 L/(m ·h)Ƞ109.57 L/(m ·h)ȳ
㔹喑PEG/GO/TiO 2 䉕䛼ܳ䒰ᄾᬣᄦ㛉⮱ᩦᕔ᩵Ꭳ ⮱ 2.1 ԺȠ1.5 Ժহ 1.8 Ժȡ̻ᑍᔄьぶ [29] 䕇䓴ⱌ⾧䓴
̺᭫㦄喑㔹ᒀ䉕䛼ܳ>0.60%ᬣ喑ᄳ䭺ѻฺव䊲␑㛉 ␑∂ݣิ⮱ GT ฺ व㛉Ⱕ℁喑᱙ጒ㞧ݣิ⮱
2
⮱ᕨႁ䯆⢴ȡ䔆⣝䆎ᑿλⰥ䒙ࡃ䓴⼸͚ PEG/GO/TiO 2/PVDF ⮱ J w ߍ 217.14 L/(m ·h)喑J r
2
PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆⮱㖇䯳ߍγ䨥㛉⋟⮱叼 ߍ 136.40 L/(m ·h)ȡₑ喑PEG/GO/TiO 2 ㏠ㆠฺव
ᏓᎣ䭺ѻγฺव䊲␑㛉⮱ᕨႁ䯆⢴ȡₑ喑ᄦ PVDF ᱽ᫆䉕䛼ܳͧ 0.60%ᬣ㘪᭫㦄喍P<0.05喎ᩦ
㛉䔈㵹ᩦᕔᬣ喑ᄨⅯᰭҠ⮱ PEG/GO/TiO 2 ㏠ㆠฺवᱽ PVDF 㛉⮱㛉䕇䛼ȡᢛ㶕ᬻ喑ᒀ PEG/GO/TiO 2 ㏠
᫆䉕䛼ܳ᭜倅 PEG/GO/TiO 2/PVDF ᕔ㘪⮱ڠ䩛ȡ ㆠฺवᱽ᫆䉕䛼ܳͧ 0.60%ᬣ喑ᬍ䃧᭜㛉⮱⪆
2.2 ฺव䊲␑㛉⮱㛉䕇䛼ࣷ⪆ᕔ㘪ܳᲽ ᕔ㘪䔅᭜㛉⮱⍄䔼ᕔ㘪㶕⣝ᰭҠȡ䔆᭜ͧ喑̭
ఫ 5 ͧ PVDF 㛉হ PEG/GO/TiO 2 /PVDF ⮱ HA 䲏喑㛉ϟⅡᕔ⮱ᑧजВ॥ᑂ㛉ധ䉕ڲ⮱Ⅱܳၽ喑
⪆⢴ȡ 䔈㔹Ӱ䔈Ⅱܳၽ⍄䔼䓴㛉喠ओ̭䲏喑PEG/GO/TiO 2
㏠ㆠฺवᱽ᫆⮱ϟⅡᕔजВᑧⰥ䒙ࡃ䓴⼸͚⮱⏣
ݯহ䲋⏣ݯϑᢏ喑ᎣҬ㛉ڤᰶᰡ็⮱็ႁ㶕䲏ȡ
PEG/GO/TiO 2 䉕䛼ܳ䓴็ᝃ䓴ᄾᄦ㛉ϔ⩌
̺ݖᒞ৺ȡҸຯ喟ᒀ PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆䉕
䛼ܳ>0.60%ᬣ喑ᄦ HA ⪆⢴হ㛉䕇䛼⪒ᰶ̸
䭺喑䔆ज㘪̻㏠ㆠㆿၽ⮱ఏ㖇হϔ⩌๔Ⱑᒱ⮱ႁᰶ
ڠȡₑใ喑䮼Ɑ PEG/GO/TiO 2 ㏠ㆠฺवᱽ᫆䉕䛼ܳ
⮱ߍ喑䨥㛉⋟⮱叼Ꮣߍ喑倅⊀Ꮣቹڒ㏠ㆠᲬ
⮱ႁ䭨උ喑ϻ㔹䭺ѻγ᪡Ҁႁ䯆Ꮣ喑ᄩ㜡㛉⮱⍄䔼
⢴䭺ѻ喑㛉䕇䛼̸䭺ȡᅪノౕ侹͚ࣾ⣝ϟⅡᕔധ
ఫ 5 PVDF 㛉হ PEG/GO/TiO 2 /PVDF ⮱ HA ⪆⢴
Fig. 5 HA rejection rate of PVDF membrane and PEG/GO/ ఏ⮱➦ᒮም䔼䓴⢴Ƞᣒ㼓㻿Ƞᕨႁ䯆⢴Ƞ⪆⢴Ƞ
TiO 2 /PVDF 㛉䕇䛼䬡ज㘪ႅౕₐⰥڠڠ㈨喑ѳ̻ PEG/GO/TiO 2