Tiểu luận công nghệ xử lý nước thải nhà máy đường slide

CÔNG NGHỆ XỬ LÝ NƯỚC THẢI TRONG NHÀ MÁY ĐƯỜNG
Nhóm thực hiện
 
 
 
  !"#
$ %"&'%()*%
+ ,-"%./%
0 1#
234,56

%/789:;<=>??(/789/@A?:B"?.?CD?@
E/?
Phải xử lý nước thải từ nhà máy đường trước khi đưa ra môi trường
Đặc điểm nguồn nước thải
,</F?E/?G/H&@"=;<I"/JA/K/=;<DL=/I*AM"/?J*
NK/=;<&O'9#H&?E/NP/FDG#&D8?Q&?E/R=GS;@?;>/H
B"1?TAIA-?E/
%E/?GIGQ"?;</F9U@;>=EVE/?GD#"=.//F9WX$YR=Z[\]$AN\]?/V[\]$^^_
^^^`=aN\]+^^_$^`=YR=Z/b?cI =;@d0^_$^^`=_%E/?G?eD"f9:[\]/R/F/g
C"O1"h

NF=E/?G?eK&;<_%E/?G=
_%E/?G=
_%E/?G=
XỬ LÝ NƯỚC THẢI NHÀ MÁY ĐƯỜNG

8&R;i/FC"99K9;TQL=jE/?GA-?=jRF./RI./
kAE99K9/=?l99K9I./;Z/.</Pj/G
m//?/H99K9&=<A?;>I /HAIA-?;TU@;c/K/Z9/?("//9#?L/F?
E/?G?/K/Z9/?;G

9K9QL=jI.//:
@"D:
nD:
nD:
o@"D:
NP?7/.9
9K9&Alp"A8?
/HF
Nước thải
Bể điều hòa
Bể UASB
Bể AEROTANK
Bể lắng
Xả ra ngoi
Bqn
Phân vi sinh
Song chắn rKc
Buồng hấp thu
(NaOH 5-10%)
3.1. Quy trình xử lý nước thải:
•
k/rK/;T=Us/K/K/Ut?7
•
[T;C"uc;="=ZRv;>A9
•
[T6wk[S;#&E/?GIx;Z/QL=j<AD"tDD:
•
[Twy\w%nE/?G;Z/9#H&Uu/K/AD"t@"D:
•
r?U>E//b?eUT=./I./RUv/bAAIA-?R

E/?GI";F?G"vR/Uq?eUT=rIx;Z/U;ACUT@"
D:b/;Z/QL=j;T=9#UF
Bể UASB
9K9&;Z/ILOz;TQL=jE/?G/F=Z[\]A=Z/b==L=EV[\]{d^^`=RII{^^_^^
`=YROmA/K/B"K?l/"&@K/K//?("//HAIA-?79&@D:b/?"|}8
Quá trình tạo hạt bùn:
•
kml?Uq???m/?@=>?B"K?l?m8?Z&
?<Q"?8???/G/K/8? QL=jE/?GOq/78I
./;K9g;Z/(;C"D8/UG
•
>??(=j?"&@?;TG?:/B"K?l??/HUq==j?"&@?
~I9*•€R?;FAIA-?OIZ;Q*A"??>?A
VAI9*•Y
•
NK/AU;1"&/F?Tl?>?UCb?=7Df/K/AIA-?DK/
?AB"K?l9#"•Al?Uq?
Giai đoạn thủy phân và lên men
•
‚;&?m/8A8/9#H&/K//?("/9g/?9?/K//OUfO'U&V;b/U8?=/O/*}/YR/K/
/?D:VN\RYA/R?H&9#/K/A-?/?("/9g/?9;@/FIG9Uq=s
•
NK/AD"t=
Giai đọan aceton
•
,#&=;;b/U8?AE/K/AD"t;Z/.=~DLUr?U">/9?€b/~AD"tIGI;s&O€kG9t/H
;&=/*??
Giai đoạn tạo methane
•
%<?ƒ?&F/FDG?m/89Gg;b/?US79DD:

•
%F?g?.=/*?/=I?*IR?*??e9#F/O/*}/NN\\ NoN\►
•
%F?g.=&O*9=*IRI"&GN\R?*?
•
N\o

No►

^
„"K?lQL=j/??G/HAIA#?DD:?UTO';/:

IA-?DD:;Tl
lD"t…/=
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