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TRNG I HC NNG NGHIP H NITRNG I HC NNG NGHIP H NIKHOA CNG NGHTHC PHMKHOA CNG NGHTHC PHM
TI U LU N Mn: X l n c th i
ti: X l n c th i trong chn nui b ng
cng ngh Biogas
Nhm sinh vin th c hi n: nhm III Trn Thi Oanh L Th H ng
Ng Thi Thuy Tr ng Thi Th ng Thi Thanh Nga Ph m Th H
Gio vin h ng d n : TS. Nguy n Th Thanh
L p :BQCB- 52B
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PH L C PH L C 1. T V N 1. T V N 2. N I DUNG2. N I DUNG2.1 Tnh hnh chn nui gia sc, gia c m2.1 Tnh hnh chn nui gia sc, gia c m2.2 S l c c i m ch t th i chn nui 2.2 S l c c i m ch t th i chn nui 2.3 Kh nng gy nhi m c a ch t th i chn nui 2.3 Kh nng gy nhi m c a ch t th i chn nui
2.4 Gi i thi u v Biogas 2.4 Gi i thi u v Biogas 2.5 S b v c ch kh biogas 2.5 S b v c ch kh biogas 2.7 Cc y u t nh h ng n qu trnh sinh kh sinh v t 2.7 Cc y u t nh h ng n qu trnh sinh kh sinh v t 2.8 u nh c i m c a ph ng php s n kh sinh h c. 2.8 u nh c i m c a ph ng php s n kh sinh h c.
2.9 ng d ng c a s n xu t biogas 2.9 ng d ng c a s n xu t biogas
2.10 M t s m hnh biogas huy n Gia Lm 2.10 M t s m hnh biogas huy n Gia Lm 3. K T LU N 3. K T LU N
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1. T V N 1. T V N Chn nui ngy m t pht tri n, x l ch t th i chn Chn nui ngy m t pht tri n, x l ch t th i chn
nui ang l m t v n kh b c xc. Vi t Nam ni ring nui ang l m t v n kh b c xc. Vi t Nam ni ring v th gi i ni chung ang ng tr c nguy c r t cao v th gi i ni chung ang ng tr c nguy c r t cao v thi u h t nng l ng xng d u, than . v thi u h t nng l ng xng d u, than .
Biogas l kh sinh h c l m t khi ni m cng kh quen Biogas l kh sinh h c l m t khi ni m cng kh quen thu c i v i nhi u ng i; song n cng l m t kh thu c i v i nhi u ng i; song n cng l m t khi
ni m kh m i m . Gi a Biogas v ch t th i chn nui n ni m kh m i m . Gi a Biogas v ch t th i chn nui n c quan h v i nhau nh th no? c quan h v i nhau nh th no?
Xu t pht t th c t v tm hi u r v v n Xu t pht t th c t v tm hi u r v v n chng ti quy t nh ti n hnh lm ti: chng ti quy t nh ti n hnh lm ti:
X l ch t th i trong chn nui b ng h th ng Biogas X l ch t th i trong chn nui b ng h th ng Biogas
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2. N I DUNG2. N I DUNG2.1 Tnh hnh chn nui gia sc, gia c m
Tnh hnh chn nui c a th gi i
Ngu n: FAO,2007
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Tnh hnh chn nui Vi t Nam Tnh hnh chn nui Vi t Nam
T ng c c th ng k,2009
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2.2 S l c c i m ch t th i chn nui 2.2 S l c c i m ch t th i chn nui
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05/11/1005/11/10 nhomIII-CNTPnhomIII-CNTP 88
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05/11/1005/11/10 nhomIII-CNTPnhomIII-CNTP 99
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05/11/1005/11/10 nhomIII-CNTPnhomIII-CNTP 1010
2.3 Kh nng gy nhi m c a ch t th i chn nui
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2.4.1 Vai tr c a Biogas trong s n xu t v i s ng 2.4.1 Vai tr c a Biogas trong s n xu t v i s ng
2.4 Gi i thi u v Biogas
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2.4.2 Cc lo i m hnh biogas2.4.2 Cc lo i m hnh biogasLo i n p tri n i
Ph i c k ho ch b o tr nh s n n p tri n i ch ng r r
p su t 100 150mmHg nn khng dng th p sng c .
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Ti cao suTi cao su, nilong, nilongDung tch nhD r kh pht hi n
t c s d ng
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Lo i h m n p c nh Lo i h m n p c nh
Ph bi n Vi t Nam, xy d ng n a n i n a chm hay n i h n trn m t t. Gi thnh l i th p p l c kh t kho ng 1000 mmHg nn ngoi un n u cnph c v th p sng v t ng c ...
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2.4.3 Gi i thi u v kh sinh h c 2.4.3 Gi i thi u v kh sinh h c -
Biogas hay cn g i l kh sinh h c l m t h n h p kh Biogas hay cn g i l kh sinh h c l m t h n h p kh c s n sinh ra t s phn h y nh ng h p ch t h u c c s n sinh ra t s phn h y nh ng h p ch t h u c d i tc d ng c a vi khu n trong mi tr ng y m kh d i tc d ng c a vi khu n trong mi tr ng y m kh
- N chi m t l nh sau: - N chi m t l nh sau:
CHCH44
: 60 70 %: 60 70 %
COCO
22
: 30 40 %: 30 40 %
V m t l ng nh kh N V m t l ng nh kh N
22
, H, H
22
, CO., CO.
c tnh c a kh CH c tnh c a kh CH
44
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2.5 S b v c ch kh biogas 2.5 S b v c ch kh biogas
S nguyn l b biogas S nguyn l b biogas
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C ch t o thnh kh sinh h c trong h th ng biogas C ch t o thnh kh sinh h c trong h th ng biogas
Ch t h u c , carbohydrates,ch t bo, protein.
H2 ,CO2
Acid acetic
Acid propionic,
Acid butyric, Ccr u khc v ccthnh ph n khc
Kh i Vi khu n
Kh i Vikhu n
H2 , CO2Acid acetic
Kh i Vikhu n
CH4,
CO2
Tc d ng c a vi khu n ln
men v th y phn
Vi khu n
acetogenic
Vi khu n sinh
kh Metan
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C ch t o thnh kh sinh h c trong h th ng biogas C ch t o thnh kh sinh h c trong h th ng biogas
Cc vi sinh v t sinh methane theo nhi u c ch ph n ng khc Cc vi sinh v t sinh methane theo nhi u c ch ph n ng khcnhau nh sau:nhau nh sau:
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C ch t o thnh kh sinh h c trong h th ng biogas C ch t o thnh kh sinh h c trong h th ng biogas
TMetanolTMetanol4CH4CH33
OH + HOH + H
22
OO CHCH
33
COOCOO + 3H+ 3H
++
+ H+ H
22
OO
TEtanolTEtanolCC
22
HH
55
OH +HOH +H
22
OO CHCOOCHCOO + 5H+ 5H
22
+ CO+ CO
22
+ H+ H
++
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2.6 Hi u qu x l b ng biogas 2.6 Hi u qu x l b ng biogas
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2.7 Cc y u t nh h ng n qu trnh sinh kh sinh v t 2.7 Cc y u t nh h ng n qu trnh sinh kh sinh v t ..
i u ki n k kh tuy t i: khng c 0 i u ki n k kh tuy t i: khng c 0
22
trong d ch ln men.trong d ch ln men.
Nhi t : Kho ng nhi t ho t ng c 20- 30 Nhi t : Kho ng nhi t ho t ng c 20- 30
00
C Nhi tC Nhi t
t i thch l 31 t i thch l 31 00
36 36
00
CC
m : thch h p nh t cho VSV la 91,5 -96% m : thch h p nh t cho VSV la 91,5 -96%
pH:pH:Vi khu n sinh kh methane pht tri n t t pH = 4,5 5. Vi khu n sinh kh methane pht tri n t t pH = 4,5 5. Th i gian : Th ng t 30 40 ngy. Th i gian : Th ng t 30 40 ngy. Hm l ng ch t r n ( v t ch t kh):Hm l ng chi m d i Hm l ng ch t r n ( v t ch t kh):Hm l ng chi m d i
9 % th ho t ng c a ti s t t 9 % th ho t ng c a ti s t t ..
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Thnh ph n dinhThnh ph n dinh
d ngd ng::
Cc ch t gy tr ng i Cc ch t gy tr ng i
qu trnh ln menqu trnh ln men
M t s y u t khc : T l phn n c, chi u di r ng b T l C/N thch h p t 25/1 n 30/1 cho s phn h y k
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u i m u i m
TThu c kh t v i nhi t hu c kh t v i nhi t
l ng caol ng cao Khng nhi m miKhng nhi m mitr ng.tr ng.
Ph th i sau khi ln men Ph th i sau khi ln men
lm phn h u c lm phn h u c
Nhc imNhc im
Kh l y cc ch t th i sau Kh l y cc ch t th i sau
khi ln men.khi ln men.
u t v n thi t k u t v n thi t k b b
Nng su t t o kh ch a Nng su t t o kh ch a
caocao
2.8 u nh c i m c a ph ng php t o kh sinh h c.
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M hnh V.A.C.BM hnh V.A.C.B Sn xut in nngSn xut in nng
2.9 ng d ng c a biogas
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2.10 M t s m hnh biogas trn a bn huy n Gia Lm 2.10 M t s m hnh biogas trn a bn huy n Gia Lm
M hnh Biogas b ng v t li u Composit M hnh Biogas b ng v t li u Composit
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M hnh biogas 2 bM hnh biogas 2 b M hnh biogas 3 bM hnh biogas 3 b
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3. K T LU N 3. K T LU N
H th ng Biogas t o kh sinh h c l m t ph ng php H th ng Biogas t o kh sinh h c l m t ph ng php r t c n thi t v h p l. N gp phn pht tri n nng thn r t c n thi t v h p l. N gp phn pht tri n nng thn qua vi c s d ng kh sinh h c, x l ch t th i chn nui, qua vi c s d ng kh sinh h c, x l ch t th i chn nui, cung c p nng l ng s ch v r ti n cho b con nng cung c p nng l ng s ch v r ti n cho b con nng
dn, gp ph n b o v s c kh e c ng ng, t o thm dn, gp ph n b o v s c kh e c ng ng, t o thm cng n vi c lm nng thn gp ph n nng cao kinh t cng n vi c lm nng thn gp ph n nng cao kinh t gia nh v gi m thi u s d ng nguyn li u ha th ch, gia nh v gi m thi u s d ng nguyn li u ha th ch, gi m hi n t ng ph r ng gi m pht th i kh nh knh. gi m hi n t ng ph r ng gi m pht th i kh nh knh.
Tuy nhin pht tri n r ng ri m hnh Biogas trong Tuy nhin pht tri n r ng ri m hnh Biogas trong
chn nui cc h gia nh, vng chn nui c n c chn nui cc h gia nh, vng chn nui c n c nh ng tuyn truy n, h ng d n c th t i ng i nng nh ng tuyn truy n, h ng d n c th t i ng i nng dn.dn.
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VideoVideo
BiogasBiogas
Video Biogas
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