Me Dig Loves - Recovery of Drainage From Wash and Chlorination
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Transcript of Me Dig Loves - Recovery of Drainage From Wash and Chlorination
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MEDIGLOVES LTD: Thu hi v ti s dng nc thi t cng on ra v kh clo
MEDIGLOVES LIMITED
Thu hi v ti sdng nc thi tqui trnh git v khclo
TM TT GII PHP
Medigloves l cng ty sn xut gng tay ca Thi Lan, mi nm cng ty cung cp hn 70triu i gng tay cao su phu thut v v sinh cho th trng ni a v quc t
Cng ty s dng gn 500 m3 nc v thi ra hn 420 m3 ti h thng x l nc thi bnngoi. Cng on git v kh clo gng thi rt nhiu nc, v lng nc ny c a voh thng x l. T SXSH nhn thy, nc thi t cng on th nht v th hai b nhim bnclo nhiu. Nc thi t cng on ra th ba tri vn cn sch, c th ti s dng. Lngnc ny ln ti 29 m3/ ngy v hin ang c thu hi trong b cha x toa lt v tivn, ti c.
Chi ph bao gm 5.250 USD cho vic lp cc van phng khng, ng ng, v mt b cha vn chuyn v thu hi nc thi t b ra th ba tri. Cng ty tit kim 5.406 USD minm v thi gian hon vn cha n mt nm. Hng nm tit kim c khong 24.545 kWhin v 9.744 m3 nc. Ngoi ra, cng ty cn gim hn 15 tn CO2 pht thi mi nm.
Mt gii php tng t c thc hin vi quy trnh nhng (tham kho nghin cu inhnh). Khi thc hin cc gii php ny, cng ty cng tm kim cc gii php khc nhm thuh v ti s dng nc thi t qu trnh nhng, git v kh clo. Nu thnh cng, cng ty s
tit kim c khong 32.000 m3
mi nm v hng nghn USD trong tng lai.
TKHO
Ho cht, Thi Lan, in, Thu hi nc, Bo tn nc
QUAN ST
Sn xut gng tay y t cn s dng rt nhiu nc. Medigloves s dng gn 500 m3 nc chosn xut mi ngy. Trong s ny, hn 420 m3c thi vo h thng x l nc thi mingy. Hn 100 m3 nc thi/ngy t qu trnh nhng, git v kh clo, lng nc ny tngi sch.
Cng ty tin hnh xem xt k hn qu trnh git v kh clo do hai qu trnh ny thi ra rtnhiu nc. Sau qu trnh kh clo, gng tay cao su c git/ra bng nc sch nhiu ln, sln git tu theo tiu chun cht lng khch hng yu cu (v d, mt s khch hng yu cu
phi git gng tay 5 ln). Lng nc s dng cho qu trnh git/ra c thi ra h thng xl nc thi.
Mt phn nc ny vn cn sch, c th ti s dng. Nu nc sch b lng ph thi b vo hthng x l nc thi, cng ty s tn tin mua ho cht x l v in, khon tin ny ln tihng nghn USD mi nm.
GII PHP
1 Hng dn sdng nng lng hiu qu trong nghnh cng nghip Chu www.energyefficiencyasia.org
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i SXSH xut thu hi nc nng thi b t my git sau qu trnh kh clo a vo mtb cha ti s dng. Phn tch tnh kh thi v mt k thut ca gii php cho kt qu nhsau:
Kim tra trong phng th nghim cho thy nc thi t hai b ra u tin sau qu trnhkh clo cha nhiu clo, khng ti s dng c nn c thi b vo h thng x l.
Nc thi t cc ln ra tip theo c nng clo thp, khng b nhim bn cc ho chtkhc, do c th ti s dng.
Do din tch hp gia cc b v thit b khc nhau, kh c th lp cc ca chn rc chocng/ng ng tt c b nc.Lng nc t b th 3 v cc b tip theo c th thu hi ti s dng l 29 m3/ngy thc hin gii php cn lp t mt b cha mi c th tch 18 m3 thu hi nc thit qu trnh ra, v lp cc van phng khng vo ng ng nc thi ca cc b ra
phn tch nc c nng clo cao v thp. Nc c nng clo thp c a vo bcha. Cc van phng khng uc vn hnh bng tay, nhng vic vn hnh s d dnghn nu lp thit b kim sot van tng (v.d. van solenoid).C th tn dng nc x toalt v ti vn/c.
KT QU
Li ch ti chnh u t: 5.250 USD lp t b mi v ci to ng ng nc thi Chi ph vn hnh hng nm: khng cung cp Tit kim chi ph hng nm: 5.406 USD, c tnh nh sau:
Tit kim chi ph in hng nm: 1.411 USD (= 24.545 kWh X 0,0575USD/kWh)
Tit kim chi ph nc v ho cht hng nm: 3.995 USD {= 9.744 m3 nctit kim X (0,26 USD /m3 nc + 0,15 ho cht/m3 nc thi c x l)}
Thi gian hon vn: cha n mt nm (= 5.250/5.406)Li ch mi trng Tit kim nc hng nm: 9.744 m3 (29 m3/ngy X 336 ngy vn hnh) Tit kim in hng nm: 24.545 kWh, c tnh nh sau:
in s dng cho nc 2.519 / m3 nc (= 0.759 kWh/ m3 bm nc tdi ging + 1,76 kWh/ m3 x l nc thi)
2,519 kWh X 9.744 m3 nc tit kim= 24.545 kWh /nm Gim thi kh nh knh: 15 tn CO2/nm (= 24.545 kWh X 0,000618 tnCO2/kWh)
2 Hng dn sdng nng lng hiu qu trong nghnh cng nghip Chu www.energyefficiencyasia.org
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MEDIGLOVES LTD: Thu hi v ti s dng nc thi t cng on ra v kh clo
THNG TIN LIN H
GERIAP National Focal Point for Thailand
Ms. Peesamai Jenvanitpanjakul
Director of Environmental, Ecological and Energy Department
Thailand Institute of Scientific and Technological Research
196 Phahonyothin Rd., Chatuchak, Bangkok 10900, Thailand
Tel: + 66 2 5791121-30 ext. 2102
Fax: + 66 2 5796517
E-mail:[email protected]
Website: www.tistr.or.th
GERIAP Company in Thailand
Mr. Sompong Virakananon
General Manager
Medigloves Limited
33/3 Moo 2, Tiwanont Road, Bangkadee, Muang
Pathumthanee 10200, Thailand
Tel: + 66 2 5012140-5, + 66 2 9637881
Fax: + 66 2 5012146-7
E-mail: [email protected]
Website: www.medigloves.co.th
Khuyn co:Nghin cu in hnh trn l mt phn ca dn Gim thi kh nh knh ca cc nghnh cng nghip Chu v ThiBnh Dng (GERIAP) Chng ti cgng ht sc nhm m bo ni dung ca ti liu ny lun st vi thc t. Tuynhin UNEP khng chu trch nhim vtnh chnh xc ca ti liu v skhng chu bi thng thit hi c thgy ra do pdng ni dung ca ti liu ny. UNEP, 2006.
3 Hng dn sdng nng lng hiu qu trong nghnh cng nghip Chu www.energyefficiencyasia.org
mailto:[email protected]://www.tistr.or.th/mailto:[email protected]://www.medigloves.co.th/http://www.medigloves.co.th/mailto:[email protected]://www.tistr.or.th/mailto:[email protected]
