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  • B GIO DC V O TO

    TRNG I HC DN LP HI PHNG

    -------------------------------

    ISO 9001:2008

    KHA LUN TT NGHIP

    NGNH: K THUT MI TRNG

    Sinh vin : Trn Th Ngc Lin

    Ging vin hng dn : ThS. Nguyn Th Cm Thu

    HI PHNG - 2013

  • B GIO DC V O TO

    TRNG I HC DN LP HI PHNG

    -----------------------------------

    KHO ST HM LNG NH4+, NO2

    -, NO3

    -, PO4

    3-

    TRONG NC SNG A

    KHA LUN TT NGHIP I HC H CHNH QUY

    NGNH: K THUT MI TRNG

    Sinh vin :Trn Th Ngc Lin

    Ging vin hng dn :ThS. Nguyn Th Cm Thu

    HI PHNG - 2013

  • B GIO DC V O TO

    TRNG I HC DN LP HI PHNG

    --------------------------------------

    NHIM V TI TT NGHIP

    Sinh vin: Trn Th Ngc Lin M SV: 1353010024

    Lp: MT1301 Ngnh: K thut Mi trng

    Tn ti: Kho st hm lng NH4+, NO2

    -, NO3

    -, PO4

    3-

    trong nc sng a

  • NHIM V TI

    1. Ni dung v cc yu cu cn gii quyt trong nhim v ti tt

    nghip

    ( v l lun, thc tin, cc s liu cn tnh ton v cc bn v).

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    2. Cc s liu cn thit thit k, tnh ton.

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    3. a im thc tp tt nghip.

    ..

    ..

    ..

  • CN B HNG DN TI TT NGHIP

    Ngi hng dn th nht:

    H v tn:.............................................................................................

    Hc hm, hc v:...................................................................................

    C quan cng tc:.................................................................................

    Ni dung hng dn:............................................................................

    Ngi hng dn th hai:

    H v tn:.............................................................................................

    Hc hm, hc v:...................................................................................

    C quan cng tc:.................................................................................

    Ni dung hng dn:............................................................................

    ti tt nghip c giao ngy 25 thng 03 nm 2013

    Yu cu phi hon thnh xong trc ngy 29 thng 06 nm 2013

    nhn nhim v TTN giao nhim v TTN

    Sinh vin Ngi hng dn

    Hi Phng, ngy ...... thng........nm 2013

    Hiu trng

    GS.TS.NGT Trn Hu Ngh

  • PHN NHN XT CA CN B HNG DN

    1. Tinh thn thi ca sinh vin trong qu trnh lm ti tt nghip:

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    2. nh gi cht lng ca kha lun (so vi ni dung yu cu ra trong nhim v .T. T.N trn cc mt l lun, thc tin, tnh ton s

    liu):

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    ..

    3. Cho im ca cn b hng dn (ghi bng c s v ch):

    ..

    ..

    ..

    Hi Phng, ngy thng nm 2013

    Cn b hng dn (K v ghi r h tn)

  • LI CM N

    Vi lng bit n su sc, em xin chn thnh cm n tt c cc thy c

    trong khoa Mi Trng tn tm hng dn v ging dy nhng kin thc

    cn bn, quan trng, cn thit trong sut thi gian em hc tp ti trng i

    hc Dn lp Hi Phng.

    c bit, em xin cm n c gio ThS Nguyn Th Cm Thu ngi

    giao ti v tn tnh hng dn, gip em hon thnh ni dung bi kha

    lun ny.

    Em cng xin cm n gia nh v bn b ng vin, gip v chia s

    kh khn trong qu trnh em lm kha lun tt nghip.

    Em xin chn thnh cm n!

  • DANH MC CC CH CI VIT TT

    PTN : Phng th ngim

    TCVN: Tiu chun Vit Nam

    CLNM: Cht lng nc mt

    STT: S th t

    BOD: Nhu cu oxy sinh ha

    COD: Nhu cu oxy ha hc

    KLN: Kim loi nng

    PE: Polyetylen

    TP: Thnh ph

    HP HN: Hi Phng H Ni

    TNHH MTV: Trch nhim hu hn mt thnh vin

  • DANH MC BNG

    2.1: Xc nh hm lng NH4+ .............................................................. 13

    2.2: Xc nh hm lng NO2- .............................................................. 16

    2.3: Xc nh hm lng NO3- .............................................................. 19

    2.4: Xc nh hm lng PO43-

    .............................................................. 23

    2.5: Kt qu xc nh ng chun NH4+ ............................................. 24

    2.6: Kt qu xc nh ng chun NO2- .............................................. 24

    2.7: Kt qu xc nh ng chun NO3- .............................................. 25

    2.8: Kt qu xc nh ng chun PO43-

    ............................................. 26

    3.1: Ta cc v tr ly mu nc sng a ................................... 27

    3.2: Kt qu phn tch mu .................................................................... 29

  • DANH MC HNH

    Hnh 2.1: ng chun xc nh NH4+ ........................................................... 24

    Hnh 2.2: ng chun xc nh NO2- ........................................................... 25

    Hnh 2.3: ng chun xc nh NO3- ........................................................... 25

    Hnh 2.4: ng chun xc nh PO43-

    ........................................................... 26

    Hnh 3.1: Cc im ly mu trn sng a ................................................ 28

    Hnh 3.2 Nng Amoni (NH4+) ca nc sng a ................................ 30

    Hnh 3.3 Nng Nitrit (NO2-) ca nc sng a ................................... 31

    Hnh 3.4 Nng Nitrat (NO3-) ca nc sng a .................................. 32

    Hnh 3.5 Nng Photphat (PO43-

    ) ca nc sng a ............................ 33

  • MC LC

    M U .......................................................................................................... 1

    CHNG 1 TNG QUAN MI TRNG NC SNG A ........ 3

    1.1 Tng quan v nc mt ...................................................................... 3

    1.2 Cc ngun gy nhim nc sng a ........................................ 3

    1.2.1 nhim do nc thi t hot ng cng nghip ....................... 3

    1.2.2 nhim do sinh hot .................................................................... 4

    1.2.3 nhim hot ng t nng nghip ............................................. 5

    1.2.4 nhim t hot ng y t ............................................................ 6

    1.3 C s nh gi cht lng nc ........................................................ 6

    1.4 i cng v thng s kho st ......................................................... 7

    CHNG 2 MNG LI QUAN TRC V PHNG PHP

    NGHIN CU ................................................................................................. 9

    2.1 Mng li quan trc ........................................................................... 9

    2.2 Phng php nghin cu ................................................................. 10

    2.2.1 Xc nh Amoniac (NH4+) trong nc Phng php ln mu

    trc tip vi thuc th Nessler ..................................................................... 11

    2.2.2 Xc nh Nitrit (NO2-) trong nc Phng php o mu vi

    thuc th Griess ............................................................................................ 14

    2.2.3 Xc nh Nitrat (NO3-) trong nc Phng php o mu vi

    thuc th Disunfophenic ............................................................................... 17

    2.2.4 Xc nh Photphat (PO43-

    ) trong nc Phng php xanh

    Molybden. ....................................................................................................... 21

    2.3 ng chun NH4+, NO2

    -, NO3

    -, PO4

    3- ............................................ 24

    2.3.1 ng chun NH4+ ...................................................................... 24

    2.3.2 ng chun NO2- ...................................................................... 24

  • 2.3.3 ng chun NO3- ...................................................................... 25

    2.3.4 ng chun PO43-

    ..................................................................... 26

    CHNG 3 KT QU QU TRNH KHO ST .................................. 27

    3.1 V tr cc im quan trc .................................................................. 27

    3.2 Kt qu phn tch .............................................................................. 28

    3.2.1 Thng s Amoni .......................................................................... 30

    3.2.2 Thng s Nitrit ............................................................................ 31

    3.2.3 Thng s Nitrat ........................................................................... 32

    3.2.4 Thng s Photphat ...................................................................... 32

    3.3 S tc ng n mi trng ca nc sng a ....................... 34

    3.3.1 Tc ng n sc khe con ngi ............................................. 34

    3.3.2 Tc ng n mi trng ........................................................... 35

    3.3.3 Tc ng n pht trin kinh t - x hi ................................... 36

    KT LUN V KIN NGH ...................................................................... 38

    Kt lun ...................................................................................................... 38

    Kin ngh .................