نتایج جستجو برای: solid wastes
تعداد نتایج: 200118 فیلتر نتایج به سال:
Background and purpose: Physical analysis of solid waste is the first step in waste management. In Iran, no data is available about rural solid wastes in the country. The aim of this study was to determine qualitative and quantitative analysis of rural solid wastes in Iran. Materials and methods: In this cross-sectional study, the data for national rural solid waste in 2012 was obtained from...
Background: Region 5 of Tehran is a very large and important zone due to population, size, geographical position and number of areas. This region is appropriate for performing separation of solid wastes plan. This study investigated economical and environmental potential of municipal solid wastes in region 5 of Tehran. Methods: This descriptive cross-sectional study was performed in 2011. D...
background and purpose: it is extremely important to recognize the qualitative and quantitative characteristics of this type of waste before any planning on them due to the lack of the prepared program in the field of household hazardous waste (hhw) management in the country. this research has been done in babol, iran, in order to achieve this important goal. materials and methods: the cross-se...
Background and purpose: In spite of many studies on composting from municipal solid wastes, rural solid wastes have not been studied. A high percentages of rural solid wastes containing domestic, animal and agricultural solid waste is biodegradable. The objective of this research was to study the chemical and microbial quality of compost produced by mixed rural solid wastes and other composts...
BACKGROUND The aim of the study was to design and implementation of integrated solid wastes management pattern in Shahroud industrial zone, evaluates the results and determine possible performance problems. This cross - sectional study was carried out for 4 years in Shahroud industrial zone and the implementation process included:1- Qualitative and quantitative analysis of all solid waste gener...
Plasma pyrolysis integrates thermo-chemical properties of plasma using pyrolysis process for safe disposal of solid wastes. It is an environment friendly technology to generate valuable byproducts by converting municipal solid waste, biomedical waste and hazardous wastes at 800-1000°C. Plasma Pyrolysis of plastic wastes generates pyrolysis gas, which can be utilized for energy recovery via diff...
Background and Objective: Todays, wastes are considered as one of the major pollutants of the environment. Increasing awareness and culture-building in relation to solid wastes management can be a solution to this important environmental issue. So, this study was done to determine the knowledge and performance of Rafsanjan residents toward municipal solid wastes management in 2017. Materials a...
Background and Aim: Inadequate management of biomedical waste can be associated with risks to healthcare workers, patients, communities and their environment. In this study a comprehensive survey was conducted to obtain information on the management of solid wastes in Qom hospitals.Materials and Methods: Field visits were made to 2 private and 4 governmental hospitals to collect the required in...
Τhis study focuses on the exploitation of food-industry wastes as a source for hydrogen production. The wastes which were used were out of date solid baby foods at seven different flavors (solid wastes) and a glucose-based syrup (liquid waste). Preliminary batch hydrogen experiments at mesophilic conditions and initial carbohydrates concentration of 5 g/L were performed to assess the hydrogen p...
Management of solid wastes and improvement of its operational quality is dependent on the functional elements such as generation ,storage , collection,transportation ,processing ,and disposal. When these collections act on the basis of knowledge and sufficient information of present status and according to a set of coordinated guidelines and regulations , it proves useful in the promotion of th...
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