نتایج جستجو برای: household wastes
تعداد نتایج: 63697 فیلتر نتایج به سال:
dental offices produce a variety of dangerous wastes during normal business day. most of these waste are non-hazardous that can be managed as household wastes; however, some component are hazardous and can pose a risk to human and the environment if discarded to municipal solid wastes. these types of wastes must be managed separately. therefore, the aim of this study was to assess the component...
the main problem of solid waste management system in tehran is to handle a large amount of waste (7.641 ton/day in 2008). therefore, source reduction can be introduced as one of the first priority for solid waste management in tehran. this research represents the first attempt to quantify the source reduction potential in the city, and subsequently, outlines the principle guidelines, legislatio...
In this research household herbal wastes transformed to compost by Eisenia foetida earth worm within 3 months. For this reason, first all herbal wastes were studied in term of Bacteria, parasites, heavy metals and herbal nutrient elements, namely Nitrogen (N), Phosphorus (P.) and potassium (K.). Then, 3 samples of herbal wastes were selected from different points of compost pits with different...
Introduction and purpose: Hospitals are among the major centers in the production of pharmaceutical wastes. Ineffective management and inappropriate disposal of pharmaceutical wastes in various healthcare centers cause environmental problems and threaten human health. Therefore, this study was conducted to determine the composition and amount of the production rate of pharmaceutical wastes in a...
Backgrounds and Objectives: Due to having features such as toxicity, corrosiveness, ignitability, reactivity or other similar characteristics, hazardous wastes refer to the wastes that jeopardize man's health and environment. A study was required to identify the hazardous wastes in Tehran University of Medical Sciences (TUMS), since it plays an important role in the development of the country's...
In the recent past, household hazardous waste has become an issue to more and more communities. In an effort to control the pollution generated within a household, various methods have been set forth in col lecting and disposing of these wastes. Unfortunately, all too often the hazardous waste collection days are poorly attended, and the costs become prohibitive when measured against the amoun...
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