نتایج جستجو برای: e waste
تعداد نتایج: 1095447 فیلتر نتایج به سال:
1. South Africa: Summary of faultlines and action points
Fast urbanization and serpentine uses of electronic gadgets during the last two decades has led to genesis of a whopper character of electronic wastes resulting in soil, water and environmental pollutions. Thus pollution administer along with environmental safety has become the greatest worry of environmental scientists and activists worldwide. Dumping of electronic wastes, lone of the by-produ...
background: waste produced in dental clinics has been the topic of investigations for many years. these waste materials have important health impacts and are hazardous to humans and the environment. objective: to investigating solid waste production and its management in dental clinics in gorgan, northern iran. methods: in this cross-sectional study, 45 of 143 public dental practices and 5 of 2...
Reverse supply chains for the reuse, recycling, and disposal of goods are globalizing. This article critically reviews the environmental, economic, and social issues associated with international reuse and recycling of personal computers. Computers and other e-waste are often exported for reuse and recycling abroad. On the environmental side, our analysis suggests that the risk of leaching of t...
Due to the emerging environmental issues related to e-waste there is concern about the quality of paddy soils near e-waste workshops. The levels of heavy metals and PCBs and their influence on the enzyme activity and microbial community of paddy soils obtained from the immediate vicinity of an e-waste workshop were investigated in the present study. The results indicated that the heavy metal an...
The recycling of printed circuit boards in Guiyu, China, a village intensely involved in e-waste processing, may present a significant environmental and human health risk. To evaluate the extent of heavy metals (Cd, Co, Cr, Cu, Ni, Pb, Zn) contamination from printed circuit board recycling, surface dust samples were collected from recycling workshops, adjacent roads, a schoolyard, and an outdoo...
SHREDDERING AND SCREENING EXTRUDER PRESS COMBUSTIBLE FUEL FRACTION (FF) FINE FRACTION (organic matter and recyclable materials) WET ORGANIC FRACTION DRY NON-ORGANIC COMBUSTIBLE FRACTION (EFF) MUNICIPAL SOLID WASTE a r t i c l e i n f o
BACKGROUND Waste produced in dental clinics has been the topic of investigations for many years. These waste materials have important health impacts and are hazardous to humans and the environment. OBJECTIVE To investigating solid waste production and its management in dental clinics in Gorgan, northern Iran. METHODS In this cross-sectional study, 45 of 143 public dental practices and 5 of ...
By causing high amounts of household food waste, German households contribute significantly to serious global threats for the environment. Unfortunately, current information campaigns, conducted by several food waste-prevention initiatives, often lack in recipient’s perceived relevance of provided recommendations on how to prevent household food waste by improving the performance of relevant fo...
Borate concentrated wastes generated from liquid waste evaporator of 12 pressurized water reactors (PWRs) have been processed to be dry using concentrated waste drying system (CWDS) in Korea. Borate wastes had been stabilized or solidified using paraffin as a binder since 1995, but the solidification process is stopped and concentrated wastes are just stored in drums and on standby at present b...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید