Chii de cua Ngay sd h&u tri tue nam nay la "Sang tao xanh", vdi<br />
thong diep hoat dong cua con ngu'di (trong do co qua trinh phat trien<br />
khoa hoc cong nghe) qua nhieu thap ky da tan pha hanh tinh cua<br />
chung ta, gay ra nhieu tac hai nhiT: o nhiem moi tru'dng, cac nguon tai<br />
nguyen dang dan can kiet... Con ngu'di da co gang tim ra nhieu giai<br />
phap khac phuc bang each sang tao ra nguon nang lUdng va vat lieu<br />
mdi than thien vdi moi tru'dng, chuyen tir cong nghe xam, cong nghe<br />
caebon sang cong nghe caebon trung tinh va cong nghe sach mang<br />
tinh sang tao xanh cho tUdng lai. Mo hinh biogas va may nUdc nong sir<br />
dung nang liTdng mat trdi la nhu'ng cong nghe nhU the.<br />
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SANG TAO XANH<br />
Tir VIEC sir DUHG NANG LUVNG BIOGAS VA<br />
MAY NUtrC NONG NANG LUtTNG MAT TRffl<br />
* Diing may nUdc nong ngoai le, tha'y rd dQdc van d'e VQa qua, Sd Khoa hpc va<br />
nang lUdng mat trdi: KHONG nay cho nen ed quan Dien iQc Cdng nghe Ddng Nai da ed djp<br />
CHi LA GIAI PHAP TIET KIEM Bien Hda da ed chfnh saeh hd tiep xue vdi mdt sd hd dan tai<br />
DIEN trd khuyen khfch ehd nhieu hd Bien Hoa dang sQ dung loai<br />
Viec nghien cQu va sQ dung dan sQ dung may nQde ndng sQ may nang iQdng nay Ong<br />
nang iQdng xanh - nang iQdng dung nang iQpng mat trdi, mdt Pham Van Tam, khu phd 5,<br />
saeh la mdt trong nhQng Qu tien giai phap tiet kiem dien nang phQdng Tan Tien, thanh pho<br />
hang dau eua tat ca cae qud'c hieu qua va la mdt hinh thQe de Bien boa cho biet, gia dinh dng<br />
gia tren the gidi va Viet Nam bao ve hanh tinh xanh eua sQ dung may nQdc ndng nang<br />
ehung ta eung khdng phai la ehung ta. iQpng mat trdi hdn mdt nam<br />
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Td khi sd dung mdy nang lddng mat trdi moi sinh hogt trong gia dinh bd Phgm Thi Nhd Tuyet deu dung nong.<br />
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24 THONG TIN KHOA HOC VA CONG NGHE<br />
nay, ldi fch mang lai rat nhi'eu,<br />
ngoai viee tiet kiem dien nang<br />
hieu qua thi van de thQe pham<br />
trong gia dinh dam bao an toan<br />
hdn, TQ ngay sQ dung may, mpi<br />
thQe pham, ehen bat.,, deu sQ<br />
dung nUde ndng de khQ trung,<br />
Mdi ngay chi can trdi n i n g vai<br />
gid la nhiet dp nQde ed the len<br />
tdi 45-50°e, do thdi tiet d day<br />
n i n g ndng quanh nam nen<br />
lupng nQde ndng sQ dung thoai<br />
mai, Ngoai ra viec dun nau<br />
cung thuan tien hdn va tiet<br />
kiem dupe iQpng gas Idn. Mae<br />
du chi phi ban dau eho viee<br />
mua may hdi cao (8 trieu<br />
ddng/1 may 150 lit, Dien iQc<br />
Md hinh nang lUdng Biogas td trgi heo dng Phgm Van Ngd.<br />
Bien Hoa da hd trd 15% chi phO,<br />
tuy nhien phai tfnh den ldi fch IQdng mat trdi. Nam 2008 Dien xa Gia Tan 2, huyen Thdng<br />
lau dai cua nd, cd the sau mpt iQc Bien Hoa da ho trd lap dat Nhat), Ong cho biet, dung<br />
thdi gian khoan chi phf do tiet 200 may, theo chu trUdng nam biogas de chay may phat dien,<br />
kiem dien se bu lai vdn. 2009 se tien hanh l i p them 150 mdi thang ed the tiet kiem<br />
Chi Pham Thj NhQ Tuyet, may nQa cho cae hd dan cd nhu dupe 7-8 trieu ti'en dien sinh<br />
khu phd 2, phQdng BQu Long cau, De phat huy tdi da tac boat cho ca trang trai, tan dung<br />
tam sQ: "TrQde day chi mdt dung eua may thi eac ed quan lam chat ddt phuc vu sinh boat<br />
minh dng xa dQpc tam nQdc chUe nang nen phdi hpp de hang ngay, tham chi cdn dU<br />
ndng vi sd tdn kem de dun nau, kiem tra chat iQdng ngudn thUa nQa. Quan trpng hPn la<br />
nhQng tQ khi dung may nUde nQde, ngQdi dan se an tam hdn ban che d nhiem mdi trQdng vi<br />
ndng nang IQdng mat trdi thi trong sQ dung nQdc sinh boat, ngudn phan heo eua ca trang<br />
mpi ngudi trong gia dinh deu Hien nay viee thieu hut ngudn trai qua nhi'eu,<br />
t i m bang nUde ndng thoai mai nang iQdng dien ngay cang Nhan vien phu traeh ky<br />
ma khdng lo khoan chi tra tien tram trpng thi viec sQ dung mdt thuat may phat dien bang<br />
dien vUdt trdi nQa. Tdi thay ldi san pham tiet kiem dien, an biogas cua trang trai Ddng Tam<br />
fch sQ dung may rat Idn, tQ ngay toan cho mdi trQdng nhU may md ta quy trinh nhU sau: "Sau<br />
sQ dung den nay gan hai nam nUde ndng nang lUdng la mdt khi phdn heo dddc ddy vdo hdm<br />
nhQng chQa thay may cd true lUa chpn hpp ly, biogas, trong mdi trddng yem<br />
trae gi. Tuy nhien ehi phf d'au tQ • khi phdn heo tgo thdnh gas ddn<br />
ban dau hdi cad sd vdi ngQdi * Sir dung nang lUdng vdo 2 tui chda bdng nylon, moi<br />
lad ddng binh dan, neu cd the Biogas: LOI ICH NHIEU MAT tui ddi 10m, dddng kinh 1,5m.<br />
thi nha nQde nen cd chfnh sach Nam trong he thdng eac Mdy ddu Diezel dddc cdi tien lgi,<br />
ho trd de nhieu ngQdi ed the boat ddng hudng tdi ky niem bee phun ddu thay bdng bugi,<br />
dung may, nhQ the se tiet kiem Ngay Sd hQu tri tue The gidi bd gid thay bdng bp hda khi<br />
nhi'eu hdn nang iQdng dien ehd nam nay, Sd Khoa hpe va Cdng (Ddy Id ndi biogas di vdo budng<br />
dat nQdc" nghe Ddng Nai da tdi tham ddt), khi mdy dau khdi ddng,<br />
Thed khao sat bQdc dau eua quan md hinh nang iQdng binh diin Acquy 12V kich hogt<br />
Dien iQc Bien Hoa cho thay hieu biogas tQ ngudn phan heo d cho tc, IC tgo ngudn dien de<br />
trang trai Ddng Tam eua dng bugi ban tia Ida dien ldm cho<br />
qua rd ret v'e mat kinh te, dp an<br />
toan cua may nUde ndng nang Pham Van NgQ (ap Bach Lam 1, (Xem tiep trang 27)<br />
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SO 0 3 / 2 0 0 9 (104) - T H A N G 6 N A M 2 0 0 9 25<br />
SANG TAO )(ANH...<br />
(tiep theo trang 25)<br />
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biogas chdy trong budng ddt<br />
ddy pittdng hogt dpng liin<br />
tuc. Khi mdy ddu hogt dpng<br />
dddc ndi vdi dinamo phdt<br />
Ndm linh chi duac trong & Viet Nam tU nam 1997,<br />
diin, md van ldn biogas se<br />
nguyen lieu chinh de trong Id mat cUa cao su. Song mdi<br />
vdo nhieu, mdy hogt dpng<br />
ddy, Vien Di truyen Nong nghiep Viet Nam da nghien<br />
mgnh hdn, ddng diin dddc<br />
cdu thanh cong phuang phdp dung ba mia de trong van<br />
phdt ra 220V. Vi ddy la dgng<br />
cho ndng sudt cao han 10-15% so vdi dung mat cUa.<br />
mdy ddu nin gdn thim he<br />
Trung binh cU 1 tdn ba mia co the cho 135 leg ndm linh<br />
thdng bdm nddc ldm mdt<br />
chi tuai, tuang duang vdi 45 l
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