: loai pham mau cation (vang va xanh) dpH ).
5, Chu tri deta
- Ho vd ten: Nguyin Van Noi Nam K Nil I - Nam sinh: ngdy 3 thang 9 nam 1959
- Chuyen mon đo tao: Hod hgc
- Hgc ham, hgc vi: Tien sT
- Chiic vu: Pho Chu nhiem Khoa
- Dan vi cong tac: Khoa Hod hgc, truang DHKHTN, DHQGHN - Dia chi lien he: 19 Le Thanh Tong, Hd noi
- Sđien thogi: 84 4 825 3503 Fax: 84 4 824 1140 Email: noinv(a)ncst.ac.vn
Tom tit hoat dong nghien ciiu cua chu tri de tai
(Cdc chuang trinh, de tdi nghien citu khoa hgc đ tham gia, cdc cong trinh đ cdw.^ bo lien quan tai phuang huang cua de tai)
Then gian 2004 2002 2005 2004 2003 2002
Ten de tai/cong trinh
Nghien cuu che tao cac loai vat lieu hap phu
tren co so phe thai nong nghiep va ung dung
trong xu ly cac nguon nuoe bi 6 nhi^m dau va kim loai nang
Nghien cuu che tao mot so vat lieu tu cac loai phe thai ung dung trong qua trinh xu ly cac nguCn nuac bi 6 nhi6m dau va cac chat huu ca doc hai khaẹ
Synthethis of zeolites from coal fly ash and their uptake properties of zinc and nickel ions..
Development of adsorbents from rice hulls and their use in removal of nickel from contaminated wastewaters.
Design system for wastewater treatment by means of activated sludgẹ
Development of biosorbents from Gracilaria biomass for removal and recovery of heavy metals from contaminated groundwaters
Tu each tham gia Chu tri Chu tri Ngucfi viet Nguai viet Nguai viet Nguai viet
Cap quan ly/noi cong b ^
Di tai NCKH cap Dai hoc
Quoc gia Ha noi
De tai NCKH cap Dai hoc i Quoc gia Ha noi
Proceedings of the second symposium on advanced materials in Asia-Pacit'ic Rim. pp. 106-108, Hanoi, April 2- 4, 2005
Proceedings of the | Symposium of 8' Eurasia
Conference, Hanoi, February ! 10-12,2004.
Proceedings of the |
1
international workshop: ! "Technology of municipal
solid waste treatment: i Experiences and Challenges"\
pp. 125-129, Hanoi, March i 12-13,2003. Proceedings (CD-ROM) of j R ' 0 2 - 6 " World | February 12-15, 2002 Geneva Switzerland
2001
2001
Nghien cuu kha nang tach loai, thu hoi Chi va Cadmi trong dung dich bing vat lieu che tao tir rong tao bien
The use of gracilaria biomass for removal of some heavy metals from aqueous solution Nguai Viet Nguai viet 1 1 H
Tuyen tap cdc cong trinh | khoa hoc - Nhan dip ky niem 45 nam thanh lap Khoa Hoa - Truong Dai hoc Khoa hoc Tu nhien. Ha Noi 2001
Tap chi Hoa hoc, vol 39, No 3 89-22(2001).
Tom tit hoat dong dao tao sau dai hoc cua chu tri de tai trong 5 nam tra lai day
Thai gian 2003 - 2005 2003 - 2005 2004 - 2006 2004 - 2006 2005 - 2009
Ten nghien cuu sinh
Pham Nguyet Tii
Ten hoc vien cao hoc Dao Thi Phuang Thao Do Khdc Toan
Duong Thi Hanh
Nguyen Thi Tlianh Thuy
6. Ca quan phoi hgp va cong tac vien chinh cua de tai
TT 1 2 3 4 5 6 7 8
Ca quan phoi hop Trudng D H K H ' m Truong DHKHTN Trudng DHKHTN Truang DHKHTT^ Trucmg DHKHTN Truang DHKHTN Trucmg DHKHTN Trudng DHKR-m
Cong tac vien Ho va ten
Nguyen Dinh Bang Nguygn Viet Hung Nguyin Ddc Vinh Tran Dinh Trinh Trinh Thang Thuy Duong Thi Hanh Pham Nguyet Tu Nguygn Thanh Trung
Chuyen nganh
Hoa V 6 CO
Hoa Moi trudng Hoa Cong nghe
Hoa Moi trudng | Hoa Moi tarang
Hoa Moi truang Hoa Moi truang
Hoa Moi truang |
7. Thuyet minh su can thiet hinh thanh du an
bien d^u mọ Dac biet, nhcf kha nang hap phu va trao dCi ion tot nen Bentonite cung da dugc ling dung rgng rai trong xu ly moi truang. Viee nghien cuu che tao va su dung vat
lieu hap phu set huu ca (Organoclay) dua tren ca sa Bentonite bien tinh da dugc phat
trien manh me trong khoang thai gian 10 nam gan day va da ma ra nhung ung dung to Icfn trong viee xu ly cac nguon nuac bi 6 nhilm chat hiru cạ
Tinh hinh ngliien ciru ngoai nuac
Bentonile la loai khoang set tu nhien thugc nhom montmorillonh. Cong thiic cua
khoang set nhom montmorillonit la (Na, Ca)(Al, Mg)^(SifiIQ)^(OH)^ . nH.Ọ Diém dac biet vi cau tnic cua khoang set nhom montmorillonit la ion Si"^'" (tam ciia tii dien) co thé
bi thay the bai nhijng cation co dien tich be han nhu AP""; Fe-^"^, con cation AP"^ (tam ciia bat dien) co the bi thay the boi cac cation nhu Fê"*"; Mg^"^ ; Zn'"". Su thay the do lam cho toan bo mang luai cua khoang set nhom nay tich dien am. Cac cation Na"^; Cá^; Mg'^ thuang dugc bii vao dien tich thieu hut do va dugc phan bo a giiia cac lap. Cau true cua nhom khoang set Montmorillonit nhu sau:
\ \ '^<f^^\<t-^ '^<f^^\<t-^ f ^ 0^ ^..-; . ^ " 3 ^^^/°^.>°^«^°^^~^ --'^i^^\^h'-^'^^^
Khi cho khoang set nhom nay vao dung dich nuac co chiia cation khae thi cac cation n^m giua cac lap do co the dugc thay the bang cac cation a trong dung dich. Hien tugng do dugc ggi la qua trinh trao doi ion. Ket qua cua qua trinh trao d6i ion co the lam thay doi mot so tinh chat cua khoang set nhom nay va lam cho chung co nhi6u ling dung
Nhd kha nang trao đi ion nen Bentonite thudng dugc bien tinh vdi cac cation nhu H"; pohoxocation, aminoaxit ... Gan day, mot phuong phap bien tinh Bentonite da dugc nghien cim va phat trien manh, đ la trao đi cac cation giua cac idp ciia Bentonile vdi amoni bac 4 cd dang [(CH3)3NR]\ trong đ R thudng la nhom alkyl mach dai :
Bent-Na + [(CHj},NRr= Bent-NR(CH,), + Na*
Cac phan tii amoni bac 4 xen vao giOa cac Idp Bentonite, hinh thanh cac lien ket
yeu vdi hi mat cua Bentonite, tao nen mot dang Bentonite bien tinh ggi la set huu co
{organoclay). Mach alkyl khi dugc xen ke vao giua cac lop cua Bentonite lam cho
khoang each giiJa cac Idp dugc tang len. Md hinh cau true ciia set hUu co nhu sau:
I I I I IXIX IXIX o o or o o o I I " I I " I { H I ,rxi/ o cr o o I I " I I " I
Ngoai ra, mach hidrocacbon dugc chen giOa cac lop cua Bentonite cOng lam tang linh ky nuac cua Bentonite, do do lam tang ai luc cua vat lieu vai cac chat huu ca, dac biet la cac chat huu ca mach vong, chat co phan tu lugng Ion. Tu dac di6m do, set huu ca CO the ling dung de lam vat lieu hap phu doi vai cac ngu6n 6 nhiem chat huu ca nhu dau, pham nhugm, cac chat 6 nhiSm nhom BTEX (Benzen-Toluen-Etylbenzen-Xylen) [3, 4, 6,9, 11-13].
den nay chua co mot nghien ciiu toan dien v6 phuang phap tong hgp set huu ca tren
nguon nguyen lieu bentonite va cac loai muoi amoni bac 4 khae nhau, nh^m tao ra dugc loai vat lieu hap phu ling dung co hieu qua trong xu ly cac nguon nuac bi 6 nhi^m đu \a kim loai nang.