S CONG NGHIEP PHU YENC S CHN NUI HEO THT NGUYN CNG HNH

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BN CAM KT BO V MI TRNG

D N XY DNG TRI CHN NUI HEO THT

Cm M, thng 01/2007

I. THNG TIN CHUNG:

I.1. Tn d n:

Xy dng tri chn nui heo tht

I.2. Tn C s ch d n:

C s chn nui Nguyn Cng Hnh.

I.3. a ch lin h c s ch d n:

p 7, x Nhn Ngha, huyn Cm M, tnh ng Nai.

I.4. Ch d n:

B Nguyn Cng Hnh, ch c s.

I.5. Phng tin lin lc vi ch d n:

in thoi: 3798436

a ch lin h: p 7, x Nhn Ngha, huyn Cm M, tnh ng Nai.

II. A IM THC HIN D N:

II.1. V tr:

C s chn nui Nguyn Cng Hnh c xy dng ti p 7, x Nhn Ngha, huyn Cm M, tnh ng Nai vi cc mt tip gip nh sau:

Hng ng : gip i Mng Nga.

Hng Ty : gip L Cao su.

Hng Nam: gip Ry ng Dng.

Hng Bc : gip Ry ng Truyn.

II.2. Din tch mt bng:

Tng din tch s dng cho c s l 600m2, cc hng mc xy dng c s c trnh by trong bng 1.

Bng 1: Cc hng mc xy dng ca c s

Stt

Hng mc

Din tch (m2)

01

Chung tri

400

02

Kho cha thc n gia sc

36

03

H thng x l bng Biogas

100

04

Sn bi

64

Tng cng

600

Vic thit k, xin ph duyt thit k k thut, tin hnh thi cng cng trnh c thc hin ph hp vi cc quy nh ca Chnh ph Vit Nam.

II.3. Khong cch gn nht n cc khu dn c:

Khong cch gn nht ca c s n khu dn c khong 1000m.

II.4. Ni tip nhn nc thi t cc hot ng ca c s:

II.4.1. H thng thot nc ma:

Nc ma c chy trn trn b mt ngoi khu vc c s, sau t thot ra l cao su ca khu vc hoc t thm xung t.

II.4.2. H thng thot nc thi:

Trong qu trnh chn nui nc thi pht sinh t hot ng chn nui, nc thi c dn bng ng dn (ng knh khong 20cm) n h thng x l nc thi bng Biogas. Lng nc thi t h thng x l Biogas c a qua b lng (ao sinh hc), sau i lng cn v bm ti cy trong vn.

II.5. Ni lu gi v x l cht thi rn:

Cht thi rn trong qu trnh chn nui: Ch yu l phn ti v bao b ng thc n gia sc. Bao b ng thc n gia sc c thu gom li bn ph liu, cn phn ti c thu gom hng ngy ng bao, x l vi em v bn cho nng dn bn cy.

Cht thi rn nguy hi: Khng pht sinh cht thi rn nguy hi trong qu trnh chn nui.

III. QUY M SN XUT, KINH DOANH:III.1. Tng vn u t:

Tng vn u t l 300.000.000 VN.

III.2. Cng sut sn xut:

Cng sut sn phm l 95 con heo/t/4,5 thng. Sn phm c Cng ty Vissan mua li sau vn chuyn v l m.

III.3. Quy trnh chn nui:

Quy trnh chn nui c trnh by tm tt trong hnh 1.

Hnh 1. Quy trnh chn nui gia sc

Thuyt minh Quy trnh chn nui gia sc:

Heo con mua v nui cho n, ung thuc hng ngy. Cho n v ung thuc nh k n khong 4,5 thng tui th xut chung bn cho Cng ty Vissan a v l m.

III.4. Trang thit b dng trong chn nui:

Trang thit b dng trong chn nui c trnh by trong bng 2.

Bng 2: Trang thit b c trnh by trong bng 2.

SttTn thit bvtS lngXut xTnh trng1Mng ng thc n gia scCi3Vit NamMiIII.5. Nhu cu nhn lc:

Nhu cu nhn lc ca Tri chn nui l 3 ngi, trong :

Cng nhn: 2 ngi

Qun l: 1 ngi

IV. NHU CU NGUYN, NHIN LIU S DNG:

IV.1. Nhu cu v nguyn, nhin liu phc v cho chn nui:

* Nhu cu nguyn liu:

Nhu cu nguyn liu phc v cho hot ng ca Tri chn nui nh cm thc phm khong 20 tn /t.

Ton b nguyn liu phc v sn xut cho Tri chn nui c mua ti cc i l trong huyn, v c bo qun trong kho cha ca Tri chn nui.

IV.2. Nhu cu v ngun cung cp in, nc phc v chn nui

IV.2.1. Ngun cung cp in:

Tri s dng ngun in chnh l ngun in li Quc gia h th, ch yu phc v cho nhu cu thp sng v dng bm ly nc phc v cho chn nui,

IV.2.2. Nhu cu v ngun cung cp nc:

Ngun nc cung cp cho hot ng ca Tri l nc ngm. Tng lng nc s dng khong 10m3/ngy m dng cho tm heo v cho heo ung.

V. CC TC NG MI TRNG:V1. Cc loi cht thi pht sinh :

V.1.1. Kh thi:

(1). Ngun pht sinh kh thi:

Ngun gc gy nhim khng kh do hot ng ca Tri chn nui bao gm :

Bi do vn chuyn, bc xp nguyn liu, thnh phm.

nhim do kh thi v ting n cc phng tin giao thng vn chuyn nguyn liu, sn phm.

Mi hi pht sinh do qu trnh phn hu ca cht thi trong hot ng chn nui.

(2). Ti lng cc cht nhim trong kh thi:

(a). Kh thi t cc phng tin giao thng

Hot ng ca cc phng tin giao thng vn chuyn nguyn vt liu v sn phm pht sinh bi, SO2, NOx, CO, VOC, gy nhim khng kh.

- Tng khi lng nguyn vt liu v sn phm cn vn chuyn ca Tri chn nui trung bnh khong 600 kg/chuyn. Phng tin vn chuyn cho Tri chn nui l xe ti 10 tn, nhu cu vn chuyn l 2 chuyn/tun.

- C th tnh ton ti lng cc cht nhim trong kh thi phng tin giao thng pht sinh trong khu vc v trc cng tri chn nui nh sau:

- Gi s thi gian phng tin giao thng hot ng (n my) ti khu vc ny l 15 pht/ngy. Nu tnh vn tc trung bnh ca xe ti lu hnh trn ng l 60 km/h th thi gian hot ng ca 1 xe ti ti khu vc ny tng ng vi qung ng vn chuyn l 15km. Vy theo s liu ca T chc Y T th gii (WHO) 1993 th kt qu tnh ti lng cc cht nhim do cc phng tin giao thng ca Tri chn nui c a ra trong bng 3.

Bng 3. Ti lng nhim do cc phng tin giao thng ca Tri chn nui

Stt

Cht nhim

H s (g/km)

Ti lng (g/ngy)

01

Bi

0,07

1,05

02

SO2

2,22 S

33,3

03

NO2

1,87

28,05

04

CO

45,6

684

05

VOC

3,86

57,9

Ghi ch: S: Thnh phn S trong xng (1%)

(b). Ting n, rung v nhim nhit:

nhim ting n trong khu chn nui:

Ting n pht sinh t cc ngun (qu trnh cho heo n v tm heo,) mc n pht sinh trong tri thng khng cao.

Nng cc cht nhim :

* Nng kh thi ca cc phng tin giao thng vn ti:

Kt qu quan trc nng cc cht nhim ti cc trc l giao thng vi mt giao thng cao cho thy nng bi dao ng trong khong 0,46-0,74 mg/m3; CO dao ng trong khong 8,38-14,23 mg/m3, NO2 dao ng trong khong 0,31-0,88 mg/m3. So snh vi Tiu chun cht lng khng kh cho thy nng bi gy ra do cc phng tin giao thng cao hn Tiu chun nhiu ln (ty thuc vo cht lng mt ng), nng cc thng s khc t Tiu chun.

(3). Cc tc ng mi trng:

Cc tc ng do kh thi c a ra trong bng 4.

Bng 4. Cc tc ng mi trng do kh thi

Stt

Thng s

Tc ng n mi trng

1

Bi

Bi vo phi gy kch thch c hc v pht sinh phn ng s ha phi gy nn nhng bnh h hp.

2

Cc kh axit : SO2, NOx

i vi sc khe : SO2, NOx l cc cht kh kch thch, khi tip xc vi nim mc m t to thnh cc axt. SO2, NOx vo c th qua ng h hp, hoc ha tan vo mu tun hon. SO2, NOx kt hp vi bi to thnh cc ht bi axit l lng, nu kch thc nh hn 2 3(m s vo ti ph nang, b i thc bo ph hy hoc a n h thng bch huyt.

i vi thc vt : Cc kh SO2, NOx khi b oxy ha trong khng kh v kt hp vi nc ma to nn ma axt, gy nh hng ti s pht trin ca cy trng, thm ch hy dit h sinh thi v thm thc vt. Khi nng SO2 trong khng kh khong 1 2 ppm c th gy chn thng i vi l cy sau vi gi tip xc. Cc thc vt nhy cm, c bit l thc vt bc thp c th b gy c nng 0,15 0,30 ppm.

i vi vt liu: S c mt ca SO2, NOx trong khng kh nng m lm tng qu trnh n mn kim loi, ph hy vt liu, cc cng trnh ...

3

CO

CO lin kt vi hemoglobin to thnh cacboxy-hemoglobin rt bn vng, dn n s gim kh nng vn chuyn oxy ca mu n cc t chc, cc t bo. Khi ng c CO s xut hin cc triu chng chng mt, au u, tai, v khi ng c nng mu thm, ph phi.

4

CO2

Bnh thng CO2 trong khng kh sch chim t l thch hp l 0,003 0,006% c tc dng kch thch trung tm h hp lm thc y qu trnh h hp ca sinh vt. Tuy vy, nu nng CO2 trong khng kh ln ti 50 110 mg/l th s lm ngng h hp sau 30 pht 1 gi. Nng ti a cho php ca CO2 l 0,1%.

5

Ting n v rung

Ting n v rung thng gy nh hng trc tip n h thnh gic ca con ngi, lm gim thnh lc ca ngi lao ng, hiu sut lao ng v phn x ca cng nhn cng nh to ra cc vt chai v nt n trn da. Tc ng ca ting n c th biu din qua phn x ca h thn kinh hoc gy tr ngi n hot ng ca h thn kinh thc vt, kh nng nh hng, gi thng bng v qua nh hng n nng sut lao ng. Nu ting n c cng qu ln c th gy thng tch. Nhng ngi thng xuyn tip xc vi ting n cho thy 87% mt ng, 35% suy nhc, ri lon tiu ha, chng mt, bun nn, lo lng, thay i cm gic mu sc

V..1.2. Nc thi:

(1). Ngun pht sinh nc thi :

Ngun gc gy nhim nc trong qu trnh chn nui bao gm:

Nc thi sinh hot ca 02 cng nhn v 1 qun l c cha cn b, cc cht rn l lng (SS), cc cht hu c (BOD/COD), cc cht dinh dng (N,P) v vi sinh vt.

- Nc ma chy trn qua mt bng Tri chn nui c cha cn, t ct, rc v cc tp cht ri vi trn mt t xung ngun nc.

- Nc thi t hot ng v sinh chung tri c cha t, ct ri vi vo ngun nc.

- Nc thi t h thng x l nc thi bng h thng Biogas.

(2). Ti lng cc cht nhim trong nc thi : (a). Nc thi sinh hot:Trong qu trnh hot ng c 02 cng nhn lm vic v 1 qun l. Nc thi sinh hot ch yu cha cc cht cn b, cc cht l lng (SS), cc hp cht hu c (BOD/COD) v cc cht dinh dng (N, P) v vi sinh. Lu lng nc thi sinh hot ca Tri chn nui theo thc t khong 0,5 m3/ngy.Theo tnh ton thng k, i vi nhng quc gia ang pht trin, khi lng cht nhim do mi ngi hng ngy a vo mi trng nh trong bng 5. Bng 5. Khi lng cht nhim do mi ngi hng ngy a vo mi trngSttCht nhimKhi lng (g/ngi.ngy)1BOD545 54 2COD (Dicromate)72 1023Cht rn l lng (SS)70 145 4Du m10 30 5Tng Nit6 12 6Amni2,4 4,8 7Tng Pht Pho0,8 4,0 8Tng Coliform (MPN/100ml)106 109Ngun : T chc Y t Th gii 1993. T y, c th tnh ti lng cc cht nhim trong nc thi sinh hot nh bng 6.Bng 6. Ti lng cc cht nhim trong nc thi sinh hotSttCht nhimTi lng cht nhim (kg/ngy)1BOD5

0,315 - 0,378

2COD

0,504 - 0,714

3SS

0,490 - 1,015

4Du m

0,070 - 0,210

5Tng N6Tng Phospho

0,006-0,032

3). Nng cc cht nhim trong nc thi

(a). Nc ma chy trn:

Vo ma ma, nc ma chy trn qua mt bng Tri chn nui s cun theo t ct, rc, du m v cc tp cht ri vi trn mt t xung ngun nc. Nu lng nc ma ny khng c qun l tt cng s gy tc ng tiu cc n ngun nc b mt, nc ngm v i sng thy sinh trong khu vc.

c tnh nng cc cht nhim trong nc ma chy trn nh sau:

Tng Nit : 0,5 1,5 mg/l

Phospho : 0,004 0,03 mg/l

Nhu cu oxi ho hc (COD) : 10-20 mg/l

Tng cht rn l lng (TSS) : 10-20 mg/l

So vi cc ngun thi khc, nc ma chy trn kh sch. V vy c th tch ring ng nc ma ra khi nc thi v cho thi thng ra mi trng sau khi qua h thng h ga v song chn rc gi li cc cn rc c kch thc ln.

(b). Nc thi sinh hot:

Nng cc cht nhim trong nc thi sinh hot c tnh ton trn c s ti lng nhim v lu lng nc thi.

Kt qu tnh ton nng cc cht nhim trong nc thi sinh hot c trnh by trong bng 7.

Bng 7. Nng cc cht nhim trong nc thi sinh hot

Cht nhim

TTCVN 6984-2001

Nng cc cht nhim (mg/l)

(Q