冷水性鱼类工厂化养殖中臭氧催化氧化降解氨氮(5)

是一种新的思路,实验条件下氧化效率已达50.11%,比直接氧化法的降解效率提高了24.31%,如果对催化氧化条件进一步优化,降解效率还可以得到提高。

(2)催化氧化过程的增氧作用明显,可满足冷水性鱼类的生长要求。

(3)臭氧催化氧化过程是一个释放H+的过程,但pH值过低不利于冷水性鱼类的生长,因而在生产中当pH值低于6.0时,应用NaOH-N aHCO3的缓冲体系进行适当调节。

(4)封闭循环式冷水鱼养殖系统采用臭氧催化氧化法降解氨氮的过程,也存在一定时期内亚硝酸盐过高、硝酸盐积累量较多等问题,还有待于进一步研究。

参考文献:

[1]　M eade J W.Allow able ammonia for fish culture[J].The Progr

Fish-Cultur,1985,47:135-145.

[2]　Zhu S M,Chen S L.An experimental study on nitrification

biofilm performances using a series reactor s ystem[J].Aqu En-

gin,1999,20:245-259.

[3]　Ell is G S.R emoving nitrates from drinking w ater[J].Wat Sci

Techn,1990,13:124-132.

[4]　P H Liao,A Chen,K V Lo.Removal of nitrogen from sine ma-

nure wastew aters by ammonia stripping[J].Biores Techn,

1995,54:17-20.

[5]　Lin S H,Wu C L.Removal of nitrogenous compounds from

aqueous solution by ozonation and ion exchange[J].Wat Res,

1996,8:1851-1857.

[6]　Emmanuel Dejean,Evgueni Laktionov,Jacqueline Sandeaux,et

al.Electrodeionization with ion-exchange textile for the produc-

tion of high resistivity w ater:Influence of the nature of the tex-

tile[J].Desalination,1997,114:165-173.

[7]　Ori Lahav,M ichal Green.Ammonium removal using ion ex-

change and biological regeneration[J].W at Res,1997,32:2

019-2028.

[8]　Ng W J,Kevin Kho,Ong S L,et al.Ammonia removal from

aquaculture water by means of fluidised technology[J].Aquacul-

ture,1996,139:55-62.

[9]　Ori Lahav,Eyal Artzi,Sheldon Tarre,et al.Ammonium re-

moval using a novel unsaturated flow biological filter w ith passive

aeration[J].Wat Res,2001,35:397-404.

[10]　Valdis Krumins,James Ebeling,Fred Wheaton.Part-day ozona-

tion for nitrogen and organic carbon control in recirculating aqua-

culture systems[J].Aqu Eng,2001,24:231-241.

[11]　Honn K,Chavin W.Utility of ozone treatment in the mainte-

nance of w ater quality in a closed marine system[J].M ar Biol,

1976,34:201.

[12]　Haag W R,Hoigne J,Bader H.Im proved ammonia oxidation by

ozone in the presence of bromide ion[J].Wat Res,1984,18:

1125-1128.

[13]　Niw ooti Whangchai,Veronica P M igo,Catalino G,et al.

Strategies for alkalinity and pH control for ozonated shrimp pond

w ater[J].Aqu Eng,2004,30:1-13.

[14]　Yang M,Kazuya Uesugi,M yoga H.Ammonia removal in bub-

ble column by ozonation in the presence of bromide[J].Water

R es,1999,33:1911-1917.

[15]　Simon J Cripps,As bjФrn Bergheim.Solids managemen t and re-

moval for intensive land-based aquaculture production s ystems

[J].Aqu Eng,2000,22:33-56.

[16]　湛江水产专科学校编.淡水养殖水化学[M].北京:农业出版

社,1979.59-75.

[17]　武汉大学编.分析化学[M].北京:高等教育出版社,1995.

73-80.

[18]　European Inland Fisheries Advis ory Commission.W ater Quality

Criteria for European Freshwater fish,Report on Nickel and

Freshw ater fish[S].EIFAC Technical Papers,1984.

[19]　王俊鹤,李鸿瑞,周迪颐,等.海水淡化[M].北京:科学出

版社,1978.4-6.

794

　中国水产科学第12卷

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说综合文库冷水性鱼类工厂化养殖中臭氧催化氧化降解氨氮(5)在线全文阅读。