نتایج جستجو برای: which produced 8369 kgd of solid wastes
تعداد نتایج: 21215107 فیلتر نتایج به سال:
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...
Introduction: Hospital solid wastes are one of the environmental threats for health because of high contents of hazardous, toxics, and pathogen materials. Neglecting to safe and proper management of hospital solid wastes could lead to local and regional outbreaks and epidemics, which has high costs in addition to threat the public and environmental health. This survey aimed to study the solid w...
testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...
Leather industry, one of the polluting industries because of generation of huge amount of liquid and solid wastes, also emits obnoxious smell because of degradation of proteinous material of skin and generation of gases such as NH3, H2S and CO2. Solid wastes are raw trimmings, fleshings, chrome shavings, buffing dusts and keratin wastes. Accumulation of these wastes lead to sludge problem and c...
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...
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...
Biogas derived from organic wastes is considered as good alternative to petroleum fuels. It can be used in compression ignition (CI) engines, because of its better mixing ability with air and clean burning nature. Biogas is produced by anaerobic digestion of various organic substances such as kitchen wastes, agricultural wastes, municipal solid wastes, cow dung etc., in absence of oxygen, which...
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 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...
This study examined the waste management beliefs and practices of selected households in a Philippine rural municipality. The sample used for this study involved rural families comprising of 332 households, which was drawn from the population using multistage cluster unequal allocation sampling technique. Descriptive statistics was used to analyze data gathered. Findings show that households e...
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