نتایج جستجو برای: wastes
تعداد نتایج: 12985 فیلتر نتایج به سال:
This study reviews the use of agricultural and agro-processing industry wastes as metal adsorbents from wastewater. Modified materials displayed better adsorption capacity and capability of some was comparable with that of commercial activated carbons and synthetic resins. Agricultural wastes are low-cost adsorbents and can be viable alternatives to activated carbon for treatment of metal-conta...
Seabirds exposed to even a dime-sized amount of oil can die of hypothermia in cold-water regions, but despite repeated requests by Environment Canada, offshore oil operators are failing when it comes to self-monitoring of small oil spills, says new research. Chronic pollution from many small oil spills may have greater population-level impacts on seabirds than a single large spill, suggest rese...
Dilution is the mixing of radioactive waste with non-radioactive material, whereas downblending is the mixing of high-level radioactive waste with low-level radioactive waste. These processes have been applied predominantly at nuclear sites as part of the decontamination procedures for the disposal of blended wastes in licensed facilities. Proper health and safety assessments should be carried ...
Introduction: One of the most important environmental issues is solid waste produced in health-care centers with hazardous agents. The aim of this survey is quality analysis and management of Health-care waste in Bandar Abbas, Iran. Methods: In this cross sectional study, 29 medical offices, 29 dentistry offices, 19 clinics and 8 health centers were selected. Overall 340 samples (four fro...
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...
healthcare waste is a by-product of healthcare. poor management of these wastes exposes the community to infections, toxic effects and injuries. the purpose of this study was to investigation the qualities and quantities characteristics of infectious and domestic wastes of dehgolan clinics in kurdistan province. for this purpose health care centers was identify including hospitals, clinics, inf...
the methods, the technology, the production patterns, the equipment, the capacity of the domestic infrastructure of each country, the mechanism of market capacity, market chains, releasing and distribution channels of agricultural and food product, purchasing patterns, and food consuming of consumers affect on the wastes of food products. regardless of the level of economic and social developme...
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...
INTRODUCTION AND BACKGROUND Concerns about potential animal waste pollution of the environment have focused mainly on water, and the potential impacts of nitrogen, phosphorous, and turbidity (suspended solids). However, contemporary issues associated with potential pollution impacts of livestock operations now include microbial pathogens, gaseous emissions (such as ammonia), and odors (odorants...
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