Vi sinh vt - cu tinh ca mi trng

Vi sinh vt - cu tinh ca mi trngXut bn Vit Php (https://www.viphatech.com)

Vi sinh vt - cu tinh ca mi trng viphatech gi vo T2, 25/10/2010 - 9:43sa on sng Loire Saint-Pierre-de-Boeuf bng c rt nhiu to lc, khin nc loang l, hi hm, dukhch v th b i ht. Nh mt loi siu vi khun, on sng sch trong tr li.

Cng ngh vi sinh vt v ang l cng c c lc v r tin nht, h tr cho con ngi trong cucchin cam go: Bo v mi trng. Cc vi sinh vt nhiu ln "cu nguy" cho con ngi trong cct nhim

Thm ha Lavra: Mt tu ch du neo ti bn sc ra khoang v lm nhim 9.000m2 mt bin cng Marseille (Php). V vic lm nhng nh chc trch ca thnh ph au u,bi y l loi du nng, rt kh lm sch bng cc cng c c in.

t nhin, trong lc b tc, ngi ta ny ra tng: Ti sao khng nh n cc vi sinh vt? Saukhi kho st thc a tnh trng nhim mi trng khu vc cng, cc chuyn gia quyt nh chori ngay hng t vi khun xung vng nc b nhim du. Cha y 5 ngy sau, lp du binmt hon ton, c nh l cha tng tn ti.

X l on sng hi hm: Khu vc sng Loire Saint-Pierre-de-Boeuf khng hiu sao bng xuthin rt nhiu to lc, khin cho nc sng tr nn loang l, hi hm, du khch v th m cng b iht. Sau nhiu cuc tranh lun, thm d, cc chuyn gia x l nhim mi trng thng nht sdng bin php sinh hc ci thin tnh hnh. Cng vic c giao cho x nghip Codabio Vienne.u tin, ngi ta p cch ly vng nc b nhim, sau xung 3 tn si c tm siu vikhun rt thch xi to lc. 3 thng sau, nc sng li tr nn trong vt nh xa.

nhim t: Vo mt ngy en i, chic xe xi-tec ch 26 m3 cht Acrylate thyle lt nho trnng ray ti nh ga Metz. Nhiu ngn m2 t b nhim n su 7m. Lm sao khc phcthit hi? Gii php c in l chuyn ng t b nhim n cc bi rc c iu kin tip nhncht c hi vi chi ph ln n nhiu chc triu franc, hot ng ng st phi nh tr trong nhiutun l...

Sau mt hi tnh ton nt c, cc chuyn gia quyt nh cu cu n vi sinh vt. Cng ty IBS ch tomt hn hp vi khun c kh nng phn hy Acrylate thyle. N c a xung t thng qua ccging khoan nh di ng ray bo m cho xe la vn tip tc lu thng. Sau 8 thng, khu vc nhim c x l sch s vi chi ph ch 3,5 triu franc.

Hin nay Anh, M, Php, c, H Lan... c hng trm phng th nghim ca c nh nc v t nhnn lc nghin cu v vic dng vi sinh vt lm sch mi trng. Cn ti M, phi sau khi chng t cth chng vt du loang hiu qu m v hi i vi thin nhin trong thm ha tu ch du ExxonValdex ti cc bi bin Alaska, chng mi c ng h. n nay, c hng trm a im nhim M c phc hi nh nm v vi khun.

C hai cch s dng vi sinh vt x l nhim mi trng. Cch th nht l s dng cc vi sinh vthin din t nhin trong vng t b nhim. lm c iu ny, ngi ta bm xy v cung cpmt hn hp dinh dng lm gia tng nhanh chng s lng vi khun. Cch th hai kh thc thinhng li hiu qu hn, l bm vo khu vc nhim cc siu vi khun c tuyn la phng thnghim.

Lc u, vi sinh vt ch yu c s dng trong cc v nhim du nhng cng v sau, n cngc m rng sang nhiu lnh vc mi. Chng hn nh San Francisco (M), ngi ta thnh cngtrong vic dng vi khun chng nhim cht trichlorthylne trn mt bin. bang Michigan,mt phng th nghim khng nh c lp c loi vi khun c kh nng tiu ha cht pyralneca cc my bin p.

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https://www.viphatech.com/vi-sinh-vat-cuu-tinh-cua-moi-truong-14.html

Vi sinh vt - cu tinh ca mi trngXut bn Vit Php (https://www.viphatech.com)

Cc nh khoa hc c cho hay nm gi c cng thc hn hp vi khun v nm c kh nnglm phn r cht c ioxin. Ngi Nht pht hin ra mt loi nm bit nhm nhp cao su. Hay H Lan, ngi ta tm thy mt loi vi khun c kh nng loi b cc cht nitrates nc ging.

Tt c ngh thut kh nhim bng vi sinh vt nm vic tuyn chn cc vi khun thch hp.iu buc mt s nh khoa hc i khp th gii tm kim cc loi vi khun mi. Php,trong 5 nm tn ti, cng ty Bionergie c c s vn gn 150 lp vi khun hu ch.

ng Jacques Faudin, Tng gim c, cho bit: Do b cm thc hin cc kt hp di truyn nn phng th nghim, chng ti ch lm cho vi khun ca mnh hiu qu hn gp 500 ln so vi ngoi tnhin. Hp ng bay n nh ma. Chng hn vi hng Kodak, cng ty m trch vic thu hi muibc cc ng cng. Cn vi mt hng sn xut v my bay, cng ty ch to thnh cng cht tyra c gc enzym do vi khun tit ra.

y ban Nng lng ht nhn CEA ca Php hin ang nghin cu cc loi nm c si c kh nnghp th nhiu kim loi nng nh cadmi, km, niken, ch bc vng v c mt s cht phng x.

Tuy vy, vi sinh vt khng th lm c g i vi cc cht v c gy nhim. Chng cng kh lngpht huy hiu qu cc vng t st. Mt khc, ngi ta phi tnh ton k lng phng trnhcnh gy ng p lng ng, chng hn phi kim tra xem liu vi khun c phn hy cht nhimthnh cc sn phm ph cng nguy him hay khng.

(Theo Sc Khe & i Sng)

Cng ngh mi trng

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