1、4 8 , . 3EcNOxl .,1998.16(3):37 39.5 ,8 , . 3El b. S,1999.20(3):34 37.6 Joni M.Barnes,William A.Apel, Karen B.Barrett.Removal of nitrogenoxides from gas sreeams using biofiltratrion.Journal of HazardousMaterials.1995.41:315 326.7 Ming-Shean chou,Jean-Hong Lin.Biotrickling Filtration of Nitric Oxide.
2、Jourmal of theAir .v VOCsl / . Sv p “,2002.08:870 874.3 , D:, , .v l / . S,2001.13(5):27 30.4 C, r.b4r L=.:,1998.11:410411.TY) D: 100083 35| L (010)66748526(O)E-mail 2004-04-09 l44 2005 M423 2 Keywords air oxidation, NOX, ratio of oxidation and absorptivityDENITRIFICATION OF NO IN WASTE GAS STREAMS
3、USING AGED-REFUSE-BASEDBIOREACTOR Zhang Hua et al(39)Abstract Stabilized or aged refuse is a good media for bioreactor and can be used to treat NOX inwaste gas streams.Laboratory study showsthat an aged-refuse-based bioreactor can effectively remove NO fromwaste gas streams.The empty bed retentionti
4、me(EBRT)is the key parametereffecting the removal efficiency of NO which decreases with the shortening of EBRT.The removal efficiency of NO is 90%with the EBRT of 3.8min and 96%at 7.5min.The removal efficiency of NO under anaerobic condition is better than that of aerobic condition.Denitrification o
5、f NO ispreferable to the biological nitrification of NO.Keywords aged refuse, nitrogen oxides, nitric oxide, biofiltration and denitrificationTREATING VOLATILE ORGANIC COMPOUNDS-BEARING EXHAUST GAS IN PACKINGPRINTING HOUSE QiaoHuixian et al(42)Abstract The paper introduced that VOCs exhaust gas in p
6、acking printing house was treated by FCJ organic gas purification equipment,which is based on adsorption and catalytic combustion principle.The technical process and detecting result on treating VOCs exhaust gas weredescribed in detail.The results showed that it is efficient to treating VOCs exhaust
7、 gas in packing printing house by FCJ technique and equipment.The treating result meets the second-order of the national emission standard.Keywords printing, VOCs, adsorption, catalytic combustion and treatment of exhaust gasNEW EXPLORATION OF CLEANINGTECHNIQUE FOR CATERING OIL FUMEZhang Jinping et
8、al(45)Abstract On the basis of comparing conclusionof various cooking oil fume decontaminationtechnology, a new cleaning technique combinedan atomization wet method witha filtration adsorptionisdeveloped and a cooking fume decontaminationmethod is searchedaccording to cooking oilfume constituents an
9、d contamination characteristics of catering.The results in the laboratory showed that the removing efficiency of oil fume by thenew cleaning technique is above 92%.The released cooking fume consistency by the technique can meet the national standard.The new techniqueis suited to medium and small res
10、taurants.Keywords oil fume cleaning, atomization wet method, filtration&adsorption and removal efficiencyINVESTIGATION OF TRAFFIC NOISEATTENUATION PROVIDED BY GREEN BELTSZhou Jingxuan et al(48)Abstract This study investigates the noise attenuation of 8 green belts,and a quantitative relationship bet
11、ween the total noise attenuation,excess attenuation, width and visibility is obtained.The spectrum analysis of the noise attenuation is also done, which provides a basis for thedesign of forest belts of highway for noise reduction.Keywords traffic noise, green belts, effect of noise attenuation and
12、design of forest beltsRESEARCH ON ACOUSTIC DESIGN AND CALCULATION OF RESISTANCE LOSS OF NOISECONTROL FOR COLLIERY AIR SHAFT Zhang Chi(52)Abstract Due to a high air flow rate and a strong moise radiation in a colliery air shaft, it is the key to controlling noise successfully thatthe right and reason
13、able acoustic design for muffler and the calculation of resistance loss.Keywords colliery air shaft, centrifugal fan, noise control, acoustic design and resistance lossCHARACTERIZATION OF RIVER DREDGING SILT AND ITS FEASIBILITY STUDY ASCOVERING MATERIALS FOR REFUSE LANDFILL Zhao Aihua et al(56)Abstr
14、act It is studied systematically that various parameters, such as penetration coefficient, leaching toxicity and the content of heavymetals etc of river dredging silt, aswell as its feasibility of a covering material for refuse landfill.The results show that it possesses of better slopestability whe
15、n used as a covering material for refuse landfill,which can basically meet the technical requirements of the covering material.There isno extra burden to the treatment of the leachate.So this sort of use can not only solve the problem of lackings of soil for a plain type landfill, butalso make a way
16、 out for the dredging silt.Keywords dredging silt, covering material and researchEXPERIMENTAL STUDY ON PRODUCING MASONRY CEMENT BY FLY-ASH OFCIRCULATING FLUIDIZED BED BOILER Zhao Ming et al(59)Abstract Because circulating fluidized bed combustion(CFB)is the advanced technology of combustion,it is developing widely at home4ENVIRONMENTAL ENGINEERINGVol.23,No.2,Apr.,2005
