Nghiên cứu ban đầu về khả năng tái sử dụng hạt nix thải

Tgp chi Khoa hoc - Cong nghe Thuy sdn So 1/2016

THONG BAO KHOA HOC

NGHIEN CU'U BAN DAU VE KHA NANG TAI SU" DUNG HAT NIX THAI

I.MTIAL RESEARCH ON ABILITY TO REUSE NIX GRAIN WASTE

Nguyen T/idngXiem', Trdn Dodn Hiing^, Mai Nguyin Trdn Thanh'

NgjvnhJnbji :!5 S 201 ?. Ny,n\ pliart bion ihong qua l7/9,'20!5. Ngay duyel dany IS 32016

T6MT\T

\gay nav. viec tai su dung eac san phdm lir vdt lieu thai cdng nghiep dimg lam pint gia cho bi long cd

the lam tdng linh ben virng clio ngdnh cdng nghiep xd\ diriig Trong bat bdo ndy khd ndng sir dung hai nix ilia,

(\Clil nhu Id ci>! biu Urn uong bi tdng da dirac kiim tra thdng epia thuc nghiim. Tiiu cinidn pha trdn xva vd

be umg mdc M4t)0 dd dirac su dung di pha iron hdn hop Nghien ciru dd dua ra anh huang cua NGW den ca

ddnh gia muc do ddc hai ddi vat sire khde con ngirai vd moi Dirdng klu su dung san

• idng duac Ihu nghiem c irimg dr) o 7. 14. 28 vd 90 ngdv sau khi diic San phelm cdl

,g them c de chdt \ iic tde vd phu gia lang dio.

I, M mdngPonland. cdt lieu tlid. bi long, ctrimg do chiu nin

imh kha ndng ihdm nirdc

phdm be long lu \GW B,

heuloniir \C,\\ co hd su

Tir khe>a hai ni.\ the,

\BS TR \CT

.\'oiyadays. die leie

sushiinabibtt of the consii

aggiegaie in cemiiele ixa

ol waste malenals and industrial by-products ui eoiierete could increase the

etum indusin, In this paper the potential oj using ncx grain waste (NGW) as coaise

expei imentally investigated The guide mortar and ccmcrete M400 was used for

I design The lesean h has shewx n out the effect oj NGW on llie s

<•^^('^ ihc nsks lo hi,mai

s tested stiength for 7. )

e been used a,ldiiumal catalyst andplw

'Mn-ds uivgram nasie. Poi-dand

englh pioperlies. water permeability and

and cnynonmem ^^hen using concietepioducls Pimi NGW. The coiici-eie

d W davs ajier lasting the moulds. Thepivditced fro

e aggregate

c aggregate coner, • .strength

I. DAT VAN D E

Nhu' Chung ta da bi^t tru'oc nam 2012,

VI lgi ich kinh te ma cong ty TNHH Hyundai

Vinashin (HVS) da nhap cong nghe phun hat nix

de danh bong be mat than tau [1] Mac du, hat

nix CO hieu qua sit' dung va kmh te cao nhu'ng

cac nu'O'c tren the gio'i khong khuyen khfch si>

dung do chiing gay 6 nhiem moi truang nhu' 6

nhiem bui va tieng 6n r^t nghiem trong Trong

thanh phan bui co bui do lap son bi bong ra tii'

vo tau, bui do gi kim loai, day ma va thanh phan

chu yeu la byi ciia hat nix sau khi phun bi vo ra.

Trong h5n hop thi co nhieu tap chat, nhieu kim

loai nang doc hai lam anh huang khong tot toi

moi tru'cyng dat, nu-ac, khong khi do vu-pl qu^

cac tieu chuan cho phep va gay nguy hiem cho

si>c khoe cong dong, co the gay tu' vong neu si>

dung nu'oc ngam bi nhilm nix cao

Hien nay, viec quan ly bai thai nay chi mang

tinh tam thai do la xay tu-ang gach xung quanh

va ben du-ai xay 1 lap be tong, ben tren chi

dung cac tam ton xi mang de che phii (hinh 1).

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S4 . TRUONG OAI HOC NHA TRANG