نتایج جستجو برای: waste treatment

تعداد نتایج: 1466271  

Journal: :Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA 2009
Egodaha G W Gunawardana Benedict F A Basnayake Sohei Shimada Tomoto Iwata

Sri Lanka is an island in the Indian Ocean with an area about 65 610 km(2). The population of the country is around 20.2 million. Hazardous disposal of municipal solid waste (MSW) is a major concern particularly in the most urbanized areas of Sri Lanka. However, the current waste management system does not facilitate any waste pre-treatment techniques before final disposal. As a consequence, th...

Journal: :global journal of environmental science and management 2016
k. kumaresan r. balan a. sridhar j. aravind p. kanmani

organic fraction of solid waste, which upon degradation produces foul smell and generates pathogens, if not properly managed. composting is not a method of waste disposal but it is a method of waste recycling and used for agricultural purposes. an integrated approach of composting methodology was tested for municipal solid waste management. solid waste first was composted and after 22 days, was...

2013
Cong-Cong ZHANG Fu-Shen ZHANG

E-waste contains high amount of brominated flame retardants (BFRs) which are toxic, bioaccumulative and recalcitrant. In the present study, an effective and environmental-friendly process using solvothermal treatment to extract tetrabromobisphenol A (TBBPA), a typical BFR from waste computer housing plastic was developed. After the solvothermal process, TBBPA were transferred into a special sol...

Journal: :JPMA. The Journal of the Pakistan Medical Association 2005
Shahida Rasheed Saira Iqbal Lubna A Baig Kehkashan Mufti

OBJECTIVE To evaluate the current practices of segregation approaches, storage arrangements, collection and disposal systems in the teaching hospitals of Karachi. METHODS A cross-sectional survey was conducted in eight teaching hospitals of Karachi, using convenient sampling technique. The instrument of research was a self administered questionnaire, with four sections, relating to the genera...

2012
Ramani Bai Lokman Hakim Ian Harrison

Medical waste poses a serious threat to the environmental health without comprehensive guidelines and efficient management as it contains highly toxic chemicals, pathogenic viruses and bacteria. Therefore, proper handling of medical waste with specialised treatment from its source to final disposal has been a primary concern among medical institute, public and private agencies. The existing med...

Journal: :محیط زیست طبیعی 0
سیدعلی جوزی دانشیار گروه محیط زیست، دانشکدۀ فنی و مهندسی، دانشگاه آزاد اسلامی واحد تهران شمال، ایران الهام فرنقی کارشناس ارشد علوم محیط زیست، دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران، ایران

for the purpose of assessing zargandeh waste water treatment risks, preliminary risk assessment and evaluation of safety were conducted. for this purpose air pollution and visual impact were assessed and scored after identifying the activities and various water treatment processes, equipment, and staff positions and the amount of pollution due to wastewater treatment plant. values were measured...

Journal: :مجله بهداشت محیط و توسعه پایدار 0
hossein karimi bsc. environmental science and technology research center, department of environmental health engineering, school of public health, shahid sadoughi university of medical sciences yazd, yazd, iran asghar ebrahimi assistant professor, environmental science and technology research center, department of environmental health engineering, school of public health, shahid sadoughi university of medical sciences yazd, yazd, iran mahrokh jalili bsc. environmental science and technology research center, department of environmental health engineering, school of public health, shahid sadoughi university of medical sciences yazd, yazd, iran mohammad rezvani bsc. environmental science and technology research center, department of environmental health engineering, school of public health, shahid sadoughi university of medical sciences yazd, yazd, iran mehdi mokhtari assistant professor, environmental science and technology research center, department of environmental health engineering, school of public health, shahid sadoughi university of medical sciences yazd, yazd, iran

introduction: the present study aimed to investigate the microbial quality of the produced vermicomposts and compare them with the existing standards. methods: this experimental study was conducted as a pilot-scale one, in the laboratory school. some perishable domestic waste were mixed in a reactor, including food waste, vegetables and fruits, cow manure and sludge of wastewater treatment plan...

2017
Atiq Uz Zaman

The visionary concept of zero waste advocates a systematic process of designing out waste and recovering resources from waste. A strategic zero waste framework (ZWF) is essential for developing and executing systematic waste management activities to achieve the overarching goals. This study identifies the key principles for the development of a strategic ZWF based on a waste experts’ survey ana...

2013
Mane

Solid-waste management is a major challenge in urban areas throughout the world. Solid waste management is associated with controlling the generation, storage, collection, transfer and transport, processing and disposal of solid wastes in a manner that is in accordance with the best principles of sustainability. It includes all administrative, financial, legal, planning and engineering function...

2005
Panagiotis G. Christopoulos Torleif Bramryd

Due to economic growth Greece has experienced a large amount of waste generation during the last twenty years. Landfill has been the predominant waste treatment method which applied so far in the country. A large portion about 90% of the refuse is disposed in Sanitary Landfills and open dumps. European Union concerns for the human health, as well as the environment impose a specific framework f...

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