نتایج جستجو برای: resource recycling

تعداد نتایج: 240701  

BACKGROUND AND OBJECTIVES: The sheer volume of electrical and electronic waste (e-waste) has presently been generated in Vietnam, posing a growing concern regarding its impact can have on the environment and human health. Therefore, the need for developing policies and regulations towards the environmentally sound management of e-waste is becoming crucial. Although the municipa...

Journal: :international journal of environmental research 2014
s.e. colesca c.n. ciocoiu m.l. popescu

high levels of weee and limited capacities for disposal and recycling, together with thenecessity to transpose the european legislation into national law have shaped the profile of weee system inromania. in order to improve the functionality of this system it is important to understand the citizens’behaviour towards weee recycling. recent research conducted in different countries suggest that v...

Journal: :international journal of environmental research 0
s.e. colesca research centre in public administration and public services, academy of economic studies, calea serban voda 22-24, bucharest, romania c.n. ciocoiu department of management, academy of economic studies, piata romana 6, bucharest, romania m.l. popescu doctoral school, academy of economic studies, calea serban voda 22-24, bucharest, romania

high levels of weee and limited capacities for disposal and recycling, together with thenecessity to transpose the european legislation into national law have shaped the profile of weee system inromania. in order to improve the functionality of this system it is important to understand the citizens’behaviour towards weee recycling. recent research conducted in different countries suggest that v...

Journal: :Batteries 2023

With the growing requirements of retired electric vehicles (EVs), recycling EV batteries is being paid more and attention to regarding its disassembly echelon utilization reach highly efficient resource environmental protection. In order make full use batteries, we here discuss various possible application methods utilization, including hierarchical analysis based on battery evaluation index. a...

Journal: :international journal of nano dimension 0
elaheh esmaeili department of chemical engineering, birjand university of technology, birjand, p.o. box 97175/569-212, iran. fatemeh deymeh department of chemical engineering, birjand university of technology, birjand, p.o. box 97175/569-212, iran. seyyed amin rounaghi department of materials engineering, birjand university of technology, birjand, p.o. box 97175/569-295, iran.

recently, the demands for the production of many different types of plastic wastes are greatly growing that subsequently, lead to the serious challenges in environmental considerations. since, these materials are rarely resolved by microorganisms, hence, their recycling to the useful materials is crucial. in the present study, we used a solution electrospinning technique to synthesize nano/micr...

Journal: :international journal of environmental research 2013
y.j. kim d.h. kang m.g. kim t.i. qureshi

this study was conducted to identify emission characteristics of certain hazardous substancescontained in the plastic of used home electrical and electronic appliances keeping in view compliance with therestriction of hazardous substances (rohs) directive and to estimate the possibility of safe recyclingpractices. according to the results, the concentration of cadmium, lead, mercury and chromiu...

Journal: :int. journal of mining & geo-engineering 2012
sajjad jannesar malakooti amin joudaki sied ziaedin shafaei mohammad noaparast soheila aslani

in this study, the possibility of producing coal with less than 11% ash from tailings of flotation process was investigated. the effect of six flotation parameters: collector type, collector consumption, frother type, frother consumption, pulp density and mixing rate were studied on a sample from a tailing dam. a software based experimental design approach (dx7) was applied to determine and mod...

2015
Qiang Sun Jiuping Xu Hongzhe Sun

Circular economy as an advanced development mode for harmonizing the problems among resource, environment and economy, is destined to be the choice for keeping on developing. It is the sustainable development strategy which based on reducing, reusing, recycling principle and the recommendation of circular economy was proposed to build resource-efficient and environmental-friendly society. How t...

2010

In Sweden, bioenergy use is promoted under the light of climate change mitigation and energy security. In 2009 31% of Sweden’s total energy supply was provided by bioenergy. Almost have of this energy is generated from forest biomass. Forestry has a long tradition in Sweden and sustainable resource management is advanced. However, the increased extraction of forest biomass results in export of ...

Journal: :Bioengineering 2014
Sabine Kleinsteuber

Anaerobic digestion (AD) is an efficient and sustainable way of using organic carbon from residual biomass and organic waste for the production of renewable energy, while simultaneously recycling nutrients and cleaning up waste streams. The process relies on complex microbial communities comprised of diverse functional guilds; these communities have manifold metabolic pathways and interactions....

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