LIST OF PUBLICATIONS:
 
JOURNAL PAPERS:

1. Ozturk, M. Turan and Azni Idris, Scale-up and Biomass Hold Up Characteristics of Biological Fluidized Bed Reactors, International Conference on Biofilm Reactors,  Journal of Water Science and Technology, Vol. 29, No. 10-11, pp. 353-360, 1994.

2. Z. Abu Kaddourah, Azni Idris, M.J.M.M. Noor and F. R. Ahmadun, Effects of High Temperature Melting on the Porosity and Microstructure of Slags from Domestic Sewage Sludge,  Journal on Water Science Technology, Vol. 41, No. 8, pp 99-105, 2000.

3. Azni Idris, Performance of Biofil System for Sewage Treatment,  MWA Journal, No.1, pg 99-105, 1999.

4. Nasiman Sapari, Azni Idris and Noor Hisham Ab.Hamid, Total Removal of Heavy Metal from Mixed Plating Rinse Wastewater, Desalination Journal, Vol. 106, Issues 1-3, pp 419-422, 1996.

5. Noor Hisham Ab. Hamid and Azni Idris and, Towards A Sludgeless Heavy Metal Finishing Industry For A Cleaner Environment, Desalination Journal, Vol. 106, Issues 1-3, pp 411-413, 1996.

6. Azni Idris, Ong Bee Yen, Mohamed Hanifa Abdul Hamid, Aminuddin Mohd Baki, Drying Kinetic And Stabilization Of Sewage Sludge In Lagoon In Hot Climate, Journal on Water Science Technology,  Vol. 45, No. 24, 2002.

7. Azni Idris and Katayon Saed.  Effect of High Temperature Melting on Fractionation of Heavy Metals in Sewage Sludge,  Journal on Environmental Science and Health, Part A –Toxic/Hazardous Substance and Environmental Engineering, Vol. A37, No. 6, 2002.

8. Azni Idris and Katayon Saed.  Characteristics of Slag Produced from Incinerated Hospital  Waste,  Journal on Hazardous Material, Vol. 93, No. 2,  pp201-208, 2002.

9. Megat Johari Megat Mohd Noor, Suleyman Muyibi, Thamer Ahmed, Abdul Halim Ghazali, Ahmad Jusoh, Azni Idris, Fakhrul razi Ahmadun, Hiroshi Nagaoka, Hidenori Aya, Performance of An Extended Aeration- Microfiltretion (EAM) Reactor in treating High Strength Industrial Wastewater, Journal on Water Science Technology, Vol. 45, No. 24, 2002 .

10. A. Fakhrul Razi, M. Zahangir Alam, ,  Azni Idris, Suraini Abdul Aziz and Abul Molla. Filamentous fungi in Indah Water Konsortium (IWK) Sewage Treatment Plant for biological treatment of domestic wastewater sludge. Journal of Environmental Science and Health, Toxic/Hazardous Substances & Environmental Engineering, Vol. A37, No. 3, 309-320, 2002.

11. A. Fakhrul Razi, M. Zahangir Alam, Azni Idris, Suraini Abdul Aziz and Abul Molla. Domestic Wastewater Biosolids Accumulation by Liquid state Bioconversion Process for Rapid Composting. Journal of Environmental Science and Health, Toxic/Hazardous Substances & Environmental Engineering, Vol. A37, No. 8, pp1533-1543, 2002.

12. M. Zahangir Alam, A. Fakhrul Razi,  Azni Idris and Suraini Abdul Aziz. Bioconversion of domestic wastewater sludge by immobilized mixed culture of penicillum corylophilum WWZA1003 and aspergilus niger ScahmA103. Journal of Artificial cells, Blood Substitutes and Immobilization Biotechnology, Vol. 30, No. 4, 2002.

13. Mohd Nasir Hassan, Theng Lee Chong, Azni Idris, Muhamad Awang, Ong Bee Yen and Amiruddin Ali, Treatment Of Organic Wastes In Malaysia – Problems And Prospects, p155, In: ORBIT 99, Organic Recovery and Biological Treatment, (Eds Werner Bidlingmaier, Marco De Bertoldi, Luis F. Diaz, Efstathios K. Papadimitriou), Weimar, 1999.

14. Kabbashi, N. A, Fakhru’l-Razi Ahmadun,  K.B. Ramachandran and Azni Idris, Carbon variation during composting of sewage sludge treatment plant,  Asian  Journal of Microbiology, Biotechnology and Environmental Science, Vol. 4, No. 4,  2002.

15. Kabbashi, N. A, Fakhru’l-Razi Ahmadun, K.B. Ramachandran, and Azni Idris, Changing Of Biological Parameters During Composting Of Sewage Sludge Treatment Plant, Asian  Journal of Microbiology, Biotechnology and Environmental Science, Vol. 1, No. 1, 2003.

16. Azni Idris, Ziad A. Kaddourah, M.J. Mohd Noor, F.R Ahmadun, Katayon Saed. Characteristics of heavy metal release from incinerated ash and molten slag using different thermal technique, Journal on Solid Waste Technology and Management, Vol. 29, No.3, pg 206-212, 2003.

17. Ekechukwu, B. ,Bardaie, Z., A. Idris and Wan Ismail, W. I.  Development of model for measuring direction and transportation of urban air emission, In: Urban Transport 2001, WIT Press, Southhampton, UK, 2002 .

18. Azni Idris, Yap Siew Yein And Sa’ari Mustapha (2003). The Use Of Electrochemical Reaction And Biological Treatment For Treating Toxic Chemical Wastewater, International Journal of  Pollution Research, 22 (3),  pg: 305-309, 2003 .

19. Azni Bin Idris,  Megat Johari Megat Mohd Noor and Abdullah Al-Mamun, Modelling Of Anaerobic Fluidized Bed Bioreactor In The Treatment Of Palm Oil Mill Effluent, Asian  Journal of Microbiology, Biotechnology and Environmental Science, Vol. 5, No. 2, pg 137-144,  2003

20. Azni Bin Idris, Abdullah Al Mamun, Mohd. Amin M.S. and Wan Noor Wan Azmin, Review Of Water Quality Standards And Practices In Malaysia,  Journal of Pollution Research, Vol 22, (2): pg 145-155, 2003.

21. S. Mustapha, B. Ashuby, M Rashid and Azni Idris, Start-up Startegy of a thermophilic upflow anaerobic filter treating palm oil mill effluent, Trans IChemE Journal, Vol.81, Part B, pp 262-266, July 2003.

22. Robiah Yunus, F.R Ahmadun, T.L. Oii, S.E. Iyuke and Azni Idris.  Transesterification of trimethylolpropane and palm oil methyl ester to environmentally acceptable lubricants, Journal of Oil Palm Research, Dec Issue, 2003.

23. Robiah Yunus, F.R Ahmadun, T.L. Oii, S.E. Iyuke and Azni Idris.  Synthesis of Environmentally friendly oil palm based trimethylolpropane esters with improved pour point, Bioresource Technology, #BRT,July, 03-109, 2003.

24. Azni Idris, Wissam Omar and Kaida Khalid, Drying of Silica Sludge Using Microwave Heating, Journal of Applied Thermal Engineering, Volume 24, Issues 5-6, pp 905-918, April 2004.

25. A.G. Liew, Azni Idris, A.A. Samad, C.H.K. Wong, A.M. Baki, Reusability of sewage sludge in clay bricks, Journal of Material Cycles and Waste Management, Springer -Verlag, Japan, Vol. 6, No. 1, March 2004.

26. El-Harbawi M, Mustapha S. , Idris A., Chuah T. G. and Jameel A. T. (2003) LINEAR STABILITY OF THIN LIQUID FILM ON SOLID SURFACE UNDER EFFECT OF APOLAR AND POLAR FORCES, Journal of Technology, No. 39F, pg 23-34 Dec 2003.

27.  Kabbashi, N. A, Fakhru’l-Razi Ahmadun, K.B. Ramachandran, and Azni Idris, Study of Biological Parameters During Composting Of Sewage Sludge, Brunei Darussalam Journal of Technology and Commerce, Vol. 3, No. 1, Sept. 2003.

28. Chuah T.G., Azni Idris and Fakhru’l Razi A. (2003). Medical Waste Treatment Technologies: Incineration and other alternatives. Buletin Ingenieur, Vol. 20, pp 20- 24, 2003.

29. Azni Idris and Chuah T.G. (2003). Biomass as The Renewable Energy Source in Malaysia. Buletin Ingenieur, Vol. 20, pp 50- 52, 2003.

30. A. Idris, Z. Kaddourah, M.J.M.M. Noor, F. R. Ahmadun, K. Saed, (2003) Utilization Of Molten Slag And Incinerated Sewage Sludge Ash In Mortars, International Journal of Ecology, Environment and Conservation. Vol. 9, No.3, pp 245-248.

31. Azni Idris and Katayon Saed, Utilization of Silica gel for removal of phenol from aqueous solutions,  Journal of The Environmentalist , 2004.

32. Azni Idris and Katayon Saed, Degradation of Phenol in wastewater using anolyte generated from electrochemical generation of brine solution, International Journal of Global Network for Environmental Science and Technology, 2004.
 
 

INTERNATIONAL CONFERENCES/SEMINARS/WORKSHOPS:

 1. Azni Idris, Energy and Environmental Policies in Malaysia, Joint NRCT-JSPS Seminar on Environmental Protection and Environmental Law and the Fourth Asian-American Conference on Environmental Protection "Energy Production and Utilization: Implication on the Environment and Laws", Bangkok, Dec 17-20, 1984.

 2. Azni Idris, Energy Production from Anaerobic Fermentation of Organic Refuse, APCCHE '84, 3rd Congress, Asian Pacific Confederation of Chemical Engineering, Bangkok, Oct 8-10, 1984.

 3. Azni Idris, Megat Johari Megat Mohd Noor, Ahmad Jusoh, Abdul Halim Ghazali, Anhar Suki, Anaerobic Digestion of POME using Upflow Biofilter Reactor, Water and Wastewater '90 Conference, Barcelona, Spain, April 24-27, 1990.

 4. Azni Idris, Scale-up of Anaerobic Waste Treatment Processes, Postgraduate Seminar, Department of Civil Engineering, University of Newcastle, United Kingdom, March 15, 1988 (unpublished).

 5. Azni Idris, Tien Tze Electroplating Effluent Treatment and Control Proposals, Training Workshop on Small and Medium Scale Electroplating Industries, Honolulu, Hawaii, USA, November 15-17, 1990 (unpublished).

 6. Azni Idris and Abang Abdullah Abang Ali, Management and Utilization of Wastes, 1991 Annual Seminar on The Role of ASAIHL Universities in Promoting Preservation of the Environment, Airlangga University, May 6-8, 1991, Surabaya, Indonesia.
 7. Azni Idris and Fuad Abas, Environmental Impact Assessment and The Role of Legislation in Environmental Control - a case of Malaysia, ASAIHL Seminar on "The Role of ASAIHL in Combating Health Hazards of Environmental Pollution", The University of Hong Kong, Hong Kong, 17-20 June 1992.

 8. Azni Idris, Treatment of Palm Oil Mill Effluent Using Biofilter, Second International Symposium on Waste Management Problems in Agro-industries, Istanbul, Turkey, 23-25 September, 1992.

 9. Azni Idris, Management of Toxic and Hazardous Wastes - Malaysian Experience, Regional Seminar on Management and Utilization of Toxic Wastes, 23-29 August, 1992, Bogor, Indonesia.

 10. Azni Idris, Scale-up of Fluidized Bed Reactors : Scale-down approach, Second International Symposium on Waste Management Problems in Agro-industries, Istanbul, Turkey, 23-25 September, 1992.

 11. Azni Idris and Fuad Abas, Energy Potential from Agro-industrial Waste Residues, Second International Energy Conference From Biomass Residues, 17-19 August 1992, Kuala Lumpur.

 12. Izet Ozturk, M. Turan and Azni Idris, Scale-up and Biomass Hold Up Characteristics of Biological Fluidized Bed Reactors, International Conference on Biofilm Reactors, 29 Sept-1 October, 1993, Paris, France.

 13. Chew, T.Y. and Azni Idris, Artificial Granulation in Mesophilic Anaerobic Digestion of Palm Oil Mill Effluent, International Conference on Biofilm Reactors, 29 Sept-1 October, 1993, Paris, France.

 14. Azni Idris, Abu Bakar Jaafar and Rahman Awang, Management of Toxic and Hazardous Wastes in Malaysia, Pacific Basin Conference on Hazardous Waste, Honolulu, Hawaii, USA, November 6-12, 1993.

 15. Azni Idris, High Rate POME Treatment Using 2-phase Reactor System, International Conference on Palm Oil Milling and Refining Technology, Hilton Kuala Lumpur, 8-10 June 1994.

 16. Nasiman Sapari, Azni Idris and Noor Hisham Ab.Hamid, Total Removal of Heavy Metal from Mixed Plating Rinse Wastewater, International Conference on Desalination and Water Reuse, Perth, Australia, 1-3 December 1994.

 17. Noor Hisham Ab.Hamid and Azni Idris, Towards Sludgeless Heavy Metal Industry for Cleaner and Healthier Environment, International Conference on Desalination and Water Reuse, Perth, Australia, 1-3 December 1994.

 18. Azni Idris and Au Say Kiat, Palm Oil Mill Treatment- State of Art Technologies, International Conference on Palm Oil Industries, 6-14 June 1995, Baranquilla, Columbia.

 19. Mohd Akbar Johari, Azni Idris and Md Ghazaly Shaaban, A Study of the Port Dickson Coastal and Receiving Water Pollution Due to Landuse, Second International Symposium on Wastewater Reclamation and Reuse, 17-20 October 1995, Crete, Greece.

 20. Azni Idris and Abdullah Mamun, Pre Treatment of Palm Oil Mill Effluent Using a 2 Stage Biofilter, 2nd Specialized Conference on Pretreatment of Industrial Waswaters, Athens, Greece, 16-18 October 1996.

 21. Azni Idris, Mazlan Mohdi, Zulhaimi Mohd Taib, Amaran Abu Bakar, Pilot Study on Sludge Disposal - Alum Recovery for Sg Semenyih, IAWQ Specialised Conference on Sludge Management, Czestochowa, Poland, 26 - 28 June 1997.

22. Azni Idris and Abdullah Al Mamun, Effect Of Scale On The Performance Of Anaerobic Fluidized Bed Reactors (Afbr) Treating Palm Oil Mill Effluent, IAWQ Fourth International Symposium on Waste Management Problems in Agro-Industries, Istanbul, Turkey, 23-25 September 1998.

23. Ziad Abu Kaddourah, Azni Idris, Megat Johari and Fakhrul Razi Ahmadun, Effects of High Temperature Melting on Domestic Sewage Sludge, IAWQ Conference on Sludge Management for the 21st Century: A Value-added Renewable Resource, 8-10 April 1999, Fremantle, Australia.

24. Ziad Abu Kaddourah, Azni Idris, Megat Johari and Fakhrul Razi, Leaching Behaviour of Stabilised Waste From Drying, Incinerating and Melting Process, World Engineering Congress, UPM, 19-22 July 1999.

25. Ziad Abu Kaddourah, Azni Idris, Megat Johari and Fakhrul Razi, Interrelation between Sewage Sludge Status and its Thermal Properties, World Engineering Congress, UPM, 19-22 July 1999

26. Lai Long Seng, Fakhrul Razi, Azni Idris and Mohd Ali Hassan, The Performance and Kinetic Study of Membrane Anaerobic System in Treating POME, World Engineering Congress, UPM, 19-22 July 1999.

27. Mohamad Nashbat, Azni Idris and Ahmad Tariq Jameel, Sewage Sludge Incineration Using Fluidized Bed Incinerator, World Engineering Congress, UPM, 19-22 July 1999.

28. Mohd Nasir Hassan, Then Lee Chong, Azni Idris, Che Fauziah Ishak, Muhamad Awang, Treatment of Organic Wastes in Malaysia – Problems and Prospects, Conference on Biological Treatment of waste and the Environment, 2-4 September 1999, Weimar, Germany.
29. Ziad Abu Kaddourah, Azni Idris, Megat Johari and Fakhrul Razi Ahmadun, Effects of High Temperature Melting of Domestic Sewage Sludge on the Properties of the Generated Slag, International Conference on Urban Pollution Control Technology, 13-15 October 1999, Hong Kong.

30. Ekechukwu, B. ,Bardaie, Z., A. Idris and Wan Ismail, W. I.  Development of model for measuring direction and transportation of urban air emission, 7th International Conference on Urban Transport and the Environment in 21st century, 14-16 May 2001, Lemnos, Greece.

31. Azni Idris, Saari Mustapha and Yap Siew Yein. Transformation Reactions In The Treatment Of High Strength Waste Using Electrochemical Activation Process, 5th International Symposium on Waste Management Problems in Agro-industries.  (AGRO 2001)  16-18 November 2001, Shiga, Japan.

32. Azni Idris, Ong Bee Yen, Mohamed Haniffa Abdul Hamid, Aminuddin Mohd Baki.  Drying Kinetics And Stabilisation Of Sewage Sludge In Lagoon In Hot Climate, IWA Conference On Water And Wastewater Management For Developing Countries, 29-31 Oct. 2001, PWTC, Kuala Lumpur.

33. Azni bin Idris, Abdullah Al-Mamun and Megat Johari Megat Mohd Noor, Kinetic Studies In Pilot Scale Anaerobic Fluidized Bed Reactor Treating Palm Oil Mill Effluent, IWA Conference On Water And Wastewater Management For Developing Countries, 29-31 Oct. 2001, PWTC, Kuala Lumpur.

34. Azni Idris, Saari Mustapha and Yap Siew Yein. Combination Reaction Using Electro-Chemical And Biological Treatment For Treating Chemical Waste, IWA Conference On Water And Wastewater Management For Developing Countries, 29-31 Oct. 2001, PWTC, Kuala Lumpur.

35. Azni Idris and Cornelius Ngau.  Purification And Disinfection Of Waterby Using Electro-Chemical Activation, JSPS-VCC Seminar On Water Resource Management, 8-9 October 2001, Kota Kinabalu.

36. Mohammed Ibrahim And Azni Idris. Elecro-Chemical Activation For Water Disinfection Using Uv Radiation-A Review, JSPS-VCC Seminar On Water Resource Management, 8-9 October 2001, Kota Kinabalu.

37. Azni Idris  And Abdul Ghani Liew Abdullah. Leachate Treatment Using Aerobic Biofilm Reactor, JSPS-VCC Seminar On Water Resource Management, 8-9 October 2001, Kota Kinabalu.

38. Azni Idris, Yap Siew Yein And Sa’ari Mustapha. Combination Reaction Using Electrochemical And Biological Treatment For Treating Chemical Waste, IWA Conference on water and wastewater Management for Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

39. Azni Idris, Ong Bee Yen, Mohamed Hanifa Abdul Hamid, Aminuddin Mohd Baki, Drying Kinetic And Stabilization Of Sewage Sludge In Lagoon In Hot Climate, IWA Conference on Water and Wastewater Management for Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

40. Azni Idris, Z. Kaddourah, M.J.M.M. Noor, F. R. Ahmadun, K. Saed, Utilization Of Molten Slag And Incinerated Ash From Sewage Sludge In Mortar Manufacturing, IWA Conference On Water And Wastewater Management For Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

41. Azni Bin Idris,  Megat Johari Megat Mohd Noor And Abdullah Al-Mamun, Kinetic Studies In Pilot Scale Anaerobic Fluidised Bed Reactor Treating Palm Oil Mill Effluent, IWA Conference On Water And Wastewater Management For Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

42. M. Zahangir, A. Fakhrul Razi, Azni Idris, S. Abdul Aziz, Bioconversion of Wastewater sludge by Immobilized Microbial Treatment, IWA Conference On Water And Wastewater Management For Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

43. Kabashi N.A, Fakhrul Razi Ahmadun, Azni Idris, Compsoting: A solution to Waste Management Problems, IWA Conference On Water And Wastewater Management For Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

44. Megat Johari Megat Mohd Noor, Suleyman Muyibi, Thamer Ahmed, Abdul Halim Ghazali, Ahmad Jusoh, Azni Idris, Fakhrul razi Ahmadun, Hiroshi Nagaoka, Hidenori Aya, Performance of An Extended Aeration- Microfiltretion (EAM) Reactor in treating High Strength Industrial Wastewater, IWA Conference On Water And Wastewater Management For Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

45. Kabashi N.A. Fakhrul Razi Ahmadun, Azni Idris, K.B. Ramachandran, Sludge in Malaysia: What Can be Done With It?, IWA Conference On Water And Wastewater Management For Developing Countries, PWTC, 29-31 October 2001, Kuala Lumpur.

46. Wan Mokhtar Nawang, Azni Idris and Abdullah Makmun, Development Of Municipal Wet Weather Pollution (Non-Point Source) Management Practices In Malaysia,  25-27 March 2002, Kunming, China.

47. Azni Idris and Katayon Saed, Stabilization Of Incinerated Hospital Waste Using High Temperature Melting In Malaysia , Approriate Environmental and Solid Waste Management and Technologies for Developing Countries, ISWA World Environment Congress,  Vol. 1, Pg 269 – 274, July 8 - 12, 2002, Istanbul, Turkey.

48. Mohd Nasir Hassan, N.M. Haniba, A.M Abdullah, Azni Idris, A. Muda, A. Kasdsim, L.C. Then, Study on Corrosion Induced by PCB Plant:  A Case Study in Malaysia,  Approriate Environmental and Solid Waste Management and Technologies for Developing Countries, ISWA World Environment Congress, Vol. 5, Pg 2499-2504,  July 8 - 12, 2002, Istanbul, Turkey.

49. Mohd Nazeri Salleh, M.N Hassan, Azni Idris, M. N. M. Yunus and S. Kathiravale, Physical and Chemical Characteristics of Solid Wastes in Kuala Lumpur, Malaysia, Approriate Environmental and Solid Waste Management and Technologies for Developing Countries, ISWA World Environment Congress, Vol. 1, Pg 461 – 468, July 8 - 12, 2002, Istanbul, Turkey

50. Composting of sewage sludge treatment plant in a horizontal drum bioreactor, Kabbashi, N. A , Fakhru'l-Razi Ahmadun K. B. Ramachandran, and Azni.Bin Idris, Second World Engineering Congress, 22- 25 July 2002, Kuching, Malaysia.

51. Design of a horizontal drum bioreactor for composting of sewage sludge treatment plant, Kabbashi, N. A, Fakhru'l-Razi Ahmadun K. B. Ramachandran, and Azni.Bin Idris, Second World Engineering Congress, 22- 25 July 2002, Kuching, Malaysia.

52. Azni Idris and G.R. Dhanagunan (2003). The Impacts of Sewerage Improvements to the Water Supply and Drainage Sectors in Malaysia, International Conference on Managing Our Water resources – The Challenging Value of Water, Water & Drainage 2003, PWTC, Kuala Lumpur, 28 – 29 April 2003.

53. Jumasiah Arsyad, K.F. Beh, K.T. Leong, Thomas S.Y. Choong, Azni Idris, T.G. Chuah (2003). Studies Of Adsorption Of Acid Dyes Using Activated Carbon, LUCED-I&UA International Conference 2003-International Conference On Environmental Management And Technology,  IOI Resort, Putrajaya, Malaysia, 4-6 August 2003

54. Azni Idris, Katayon Saed, Mahmoud Alkilani, Leong Jin Hoong, Stabilization of Rubber Sludge Using High Temperature Melting Process, LUCED-I&UA International Conference 2003-International Conference On Environmental Management And Technology,  IOI Resort, Putrajaya, Malaysia, 4-6 August 2003.

55. M.Harimi, M.Ahmad M.M.H. S.M. Sapuan and Azni Idris,  Flue Gas Emission from Incineration of MSW and POW,  Proceed. International Conference on Chemical and Bioprocess Engineering, Universiti Malaysia Sabah, Kota Kinabalu, 27 – 29 August 2003.

56. M.Harimi, M.Ahmad M.M.H. S.M. Sapuan, Azni Idris and Fuad Abas,  Flue Gases Evaluation from Palm Oil Combustion,  Proceed. International Conference on Chemical and Bioprocess Engineering, Universiti Malaysia Sabah, Kota Kinabalu, 27 – 29 August 2003.

57. Azni Idris, Mohd Nasir Hassan and Theng L.C.  Overview of Municipal Solid Waste Landfill Sites in Malaysia. Second Workshop on Material Cycles and Waste Management in Asia, Dec.2-3, 2003 in Tsukuba, Japan.

58.  Azni Idris, Katayon Saed, Maheran Ismail, Saari Mustapha, Fakhrul-Razi Ahmadun, Nitrogen Removal From Domestic Wastewater Using A New Biofilm, IWA International Conference on Environmental Biotechnology, PWTC, Kuala Lumpur, 9-10 Dec 2003.

59. Azni Idris and Abdullah Mamun. Anaerobic Fluidised Bed Reactor For The Treatment Of High Solid Content Industrial Effluent, International Conference On Water Environment: Planning, Development, Utilization, Conservation And Management.Bhopal, India, 15 -18 December 2003.

60. Leong Jin Hoong, Azni Idris, Katayon Saed, Influence of pH on Chlorophenol degradation in water using Advanced Oxidation Processes (AOPs), ASIAWATER 2004, International Conference on Water and Wastewater, Kuala Lumpur, 30 – 31 March 2004.

61. Azni Idris and Abdullah Mamun, Effect Of Ph Shock Loading On Anaerobic Fluidised Bed Reactor Treating Palm Oil Mill The Waste ASIAWATER 2004, International Conference on Water and Wastewater, Kuala Lumpur, 30 – 31 March 2004.
 
 

 NATIONAL CONFERENCES/SEMINARS/WORKSHOPS:

1. Azni Idris and Fakhrul Razi Ahmadun, Engineering of Anaerobic Waste Treatment Process, Regional Seminar-Workshop on Biotechnology in Industrial Development, UPM, Serdang, March 27-30, 1984.

2. Azni Idris, Treatment of Textile Mill Effluent Using Rice Husk Filter Media, National Seminar on Management and Utilization of Industrial Wastes, UPM, Serdang, Sept 13-14, 1984.

3.  Abdul Rahman Bidin, Fakhrul Razi Ahmadun and Azni Idris, Chemical Engineering Input in Agricultural Production, First Symposium of Malaysian Chemical Engineers, UKM, Bangi, May 21-22, 1984.
 
4. Azni Idris, Management and Utilization of Wastes - Malaysian Experience, Seminar on Environmental Control Development, Holiday Inn, Kuala Lumpur, March 20, 1990.

5. Azni Idris, Current Technology in the Treatment of Palm Oil Mill Effluent, Congress of Malaysian Chemical Engineering Students, Universiti Teknology Malaysia, Kuala Lumpur, October 6, 1990.

6. Anhar Suki, Azni Idris, and Megat Johari M. M. N., Performance of an upflow anaerobic biofilter for treatment of POME, Seminar Program Bioteknologi Kebangsaan Kedua, Merlin Inn Bukit Fraser, November 5-6, 1990.

7. Anhar Suki, Azni Idris, Anaerobic Biorector Design Principle, Proceedings of the Workshop on Anaerobic Digestion Technology in Pollution Control, SIRIM, Shah Alam, Selangor, August 5-7, 1991.

8. Azni Idris, Ahmad Jusoh, Megat Johari Megat Mohd Noor and Anhar Suki, High Rate Anaerobic Digestion of POME, Seminar Penilaian IRPA RM5, Sektor Strategik, 16-19 December, 1991, Feringgi Beach Hotel, Pulau Pinang.

9. Azni Idris, Current Trends in Industrial Waste Management Practices, Proceedings of a National Seminar on Municipal and Industrial Waste Management and Technology, Park Royal Hotel, Kuala Lumpur, 18-19 February, 1992.

10. Azni Idris, Ahmad Jusoh, Abd Wahid Ghazali and Nasiman Sapari, Kinetic and Scale-up Studies on Biofilter Reactor for POME Treatment, National Conference on Engineering Education and Research: Achievements and Challenges, UPM Serdang, 15-16 June 1993.

11. Azni Idris, Ahmad Jusoh dan Fakhrul Razi Ahmadun, Pengoptimuman Proses UASB Untuk Rawatan Air Sisa Kelapa Sawit (POME), National Conference on Engineering Education and Research: Achievements and Challenges, UPM Serdang, 15-16 June 1993.

12. Ahmad Jusoh, Azni Idris dan Fakhrul Razi Ahmadun, Kajian Kehilangan Turus Menerusi Media Turasan Untuk Menilai dan Merekabentuk Sistem Penurasan, National Conference on Engineering Education and Research: Achievements and Challenges, UPM Serdang, 15-16 June 1993.

13. Azni Idris, Fixed film processes and scale-up aspects in anaerobic system, Workshop on Biological Processes in Pollution Control, SIRIM-Ministry of Science, Technology and Environment, 9-10 August 1993, Kuala Lumpur.

14. Azni Idris and Ahmad Jusoh, The Effects of Scaling on Biological Treatment Processes, National Seminar on Advances in Environmental Control Technology (ENVIROTECH 1993), Holiday Inn Kuala Lumpur, 18-19 August 1993.
 
15. Azni Idris, Current technology and Process of Sewage Treatment System, One Day Seminar on The Design, Implementation and Operation of Sewage Treatment System, 25 October, 1993, Seremban, Negeri Sembilan.

16. Chew, T.Y. Hasnah M.Z., Azni Idris, Nasiman Sapari and Ismail Yaziz, Semi Continuous Anaerobic Digestion of Palm Oil Mill Effluent, Proceeding of 5th National Seminar on Biotechnology, 13-14 December 1993, Regency Hotel, Port Dickson, Negeri Sembilan.

17. Azni Idris, Environmental Protection and Waste Minimization, Seminar on Quality Products and Towards Sludgeless Heavy Metal Industries, Pan Pacific Hotel Kuala Lumpur, 30 January 1994.

18. Azni Idris, Wastewater Treatment for Heavy Metals, Seminar on Quality Products and Towards Sludgeless Heavy Metal Industries, Pan Pacific Hotel Kuala Lumpur, 30 January 1994.

19. Azni Idris, One Day Seminar on recent Advances in the Water Industry, Malaysian Water Association, Biofil System For Domestic And Industrial Wastewater Treatment Research, Kuala Lumpur, 28 July 1998.

20. Azni Idris and Ng Hon Seng, Composting Technology for Household Wastes,  One Day Seminar on Composting Technology, UPM, 3 December 1998.

21. Azni Idris and Mohd Nasir Hassan. Pendekatan Pengurusan Sisa Pepejal Yang Bersepadu, Seminar Pengurusan Sisa Pepejal, Kebersihan dan Keindahan di kawasan Pihak Berkuasa Tempatan, 14 April 1999, Bayview Hotel, Langkawi.

22. Azni Idris, The Use of HDPE Double Wall Corrugated Pipe in Sewage System for the Next Millenium, One Day Seminar on Double Wall Corrugated Pipe, Kuala Trengganu, 20 March 2000.

23. Azni Idris, Ziad Abu Kaddourah, Megat Johari Megat Mohd Noor,  Fakhru’l Razi Ahmadun, Thermal Treatment Of Sewage Sludge For Safe Reuse, Seminar on Latest Development/Findings of Existing Research in the Water Industry, 4 April 2000, Kuala Lumpur.

24. Yusif Ahmad, Barkawi Sahari, Azni Idris and Noraini, Finite Element Analysis for Elastomeric Push fit socket joint, Seminar on Latest Development/Findings of Existing Research in the Water Industry, 4 April 2000, Kuala Lumpur.

25. Mohd Ali Hassan, S.Yacob, Azni Idris, M. I Abdul Karim,Y. Shirai and S.Sunderaj . The Role of Environmental Microbiology in the Reduction of Greenhouse Gases Emission in the Palm Oil Industry ,  25th Malaysian Microbiology Society Symposium  And  The 5th Unesco National Workshop On The Promotion Of Microbiology In Malaysia, 8-11 September 2002, Renaissance Hotel, Kota Bharu.

26. ElHarbawi, M. Saari Mustapha , Azni Idris, Chuah T. and Jameel T., Non linear stability, rupture and morphology of thin liquid films on solid surface, Malaysian Science and Technology Congress, 19-25 Sept 2002, Johor Bharu, Malaysia.

27. Jumasiah A., Thomas S.Y. Choong, Azni Idris, K.H. Leong  and T.G Chuah (2003). "Adsorption Of Methyl Orange (Acid Orange 52) Onto Powder and Granular Activated Carbon", 17th Symposium of Malaysian Chemical Engineers, Pulau Pinang, 29-30 December, 2003.

28. Nur Sulihati A.W., Noorazman A. A. R.,  Azni Idris, Wan  Mohammad W. A., Thomas Choong S.Y.and Chuah T.G.(2003) "DYE REMOVALFROM AQUEOUS SOLUTION BY ADSORPTION ON TREATED RICE HUSK", 17th Symposium of Malaysian Chemical Engineers, Pulau Pinang, 29-30 December, 2003.

29. Mahdi Haron and Azni Idris, Review on Current Treatment Technologies of Textile Dyes Removal With Proposed Alternative, Proceeding of 17th Symposium of Malaysian Chemical Engineers, 29-30 Dec 2003, Penang.

30. M. G. Shaaban, H.K. Alwan, M. N. Jaafar, A.R. Abdullah, M.Z. Ismail, A. Idris, A.B. Hamidon, A. Sharom, I.M Zakri, P. Othman , W.S. Wan Hussin and Y. C. Foong, Holistic strategies for river water quality improvement and rehabilitation – case of Sg Langat, MWA Biennial Conference and Exhibition - Innovation in Water and Wastewater Teechnology and Management, Sheraton Subang Hotel, 10-11 Feb 2004.

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