Preliminary life-cycle assessment results for the design for the environment Computer Display Project

Socolof, M.L.; Overly, Jonathan G.; Kincaid, Lori E.; Singh, Dipti; Hart, Katherine

doi:10.1109/isee.2000.857664

Cited by 10 publications

(8 citation statements)

References 2 publications

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“…Film reactors with environmentally friendly nanostructured photocatalyst films have been tested to be effective in the synthesis of partial oxygenates from different precursors [8]. As an example, field emission displays constructed with carbon nanotubes can provide better functionality than the conventional cathode ray tubes that contain many toxic metals [9]. Nontoxic and energy efficient computer monitors are replacing those made of cathode ray tubes (CRTs).…”

Section: Green Process and Engineeringmentioning

confidence: 99%

“…Using carbon nanotubes in computer monitors may further diminish environmental impacts by eliminating heavy toxic metals and greatly reducing material and energy use requirements, while providing enhanced performance for consumer needs. Newer liquid crystalline displays are smaller, do not contain lead, and consume less power than CRT computer monitors [9]. In contrast to conventional processes that perform under harsh operating conditions and toxic materials, the processes using nanomaterials are environmentally safe, releasing less industrial waste.…”

Section: Green Process and Engineeringmentioning

confidence: 99%

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Nanomaterials for environmental burden reduction, waste treatment, and nonpoint source pollution control: a review

Shan

Surampalli²,

Tyagi

et al. 2009

Front. Environ. Sci. Eng. China

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Nanomaterials are applicable in the areas of reduction of environmental burden, reduction/treatment of industrial and agricultural wastes, and nonpoint source (NPS) pollution control. First, environmental burden reduction involves green process and engineering, emissions control, desulfurization/denitrification of nonrenewable energy sources, and improvement of agriculture and food systems. Second, reduction/treatment of industrial and agricultural wastes involves converting wastes into products, groundwater remediation, adsorption, delaying photocatalysis, and nanomembranes. Third, NPS pollution control involves controlling water pollution. Nanomaterials alter physical properties on a nanoscale due to their high specific surface area to volume ratio. They are used as catalysts, adsorbents, membranes, and additives to increase activity and capability due to their high specific surface areas and nano-sized effects. Thus, nanomaterials are more effective at treating environmental wastes because they reduce the amount of material needed.

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Section: Green Process and Engineeringmentioning

confidence: 99%

Section: Green Process and Engineeringmentioning

confidence: 99%

Nanomaterials for environmental burden reduction, waste treatment, and nonpoint source pollution control: a review

Shan

Surampalli²,

Tyagi

et al. 2009

Front. Environ. Sci. Eng. China

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“…This assumes that both monitor types are retired before they cease to function due to quickly changing computer technology, not physical failure. Socolof et al [9] present more detail on the use stage and an alternative lifespan scenario where the monitors are assumed to be in operation until they physically fail (i.e., the ''manufactured life''). Additional details of the methodology are presented in [2].…”

Section: Goal Scope and System Boundariesmentioning

confidence: 99%

Environmental life-cycle impacts of CRT and LCD desktop computer displays

Socolof

Overly

Geibig

2005

Journal of Cleaner Production

100

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“…Cathode ray tubes (CRT), which contain many toxic materials (primarily lead) has been replaced by newer liquid crystalline displays that are smaller and consume less power than CRT display monitors. Using carbon nanotubes and 0D quantum dots in TV, computer displays may further diminish the environmental impacts by eliminating toxic heavy metals and these nanomaterials not only outperforming the previous technology but also reduces the feature size in chip, thereby reducing the material cost, eliminating environment impacts due to e-waste dumps and saving energy [5]. One of the major features that nanotechnology offers is the ability to produce and manipulate substances at the nanoscale.…”

Section: A Source Reduction Techniques and Structural-chemical Tailomentioning

confidence: 99%

“…Nanomaterials with high aspect ratio, more surface area and highly active to thermal dissipation provide space for chemical reaction occurring endothermic or exothermic. Recently, iron and nickel nanoparticles as catalytic mixtures of iron carbonyl, Fe(CO) 5 and nickel carbonyl, Ni(CO) 4 has been employed in the oxidation of cyclohexane for the conversion of biomass to biofuel boosts up the process by 40% of previously reported works [15]. With high stability, low production cost and ability to trap wide spectra of solar radiation with its wide band gap, photocatalysts such as TiO 2 has been studied as an excellent oxidizing agent in biomass oxidation [16].…”

Section: B Opting Green Energymentioning

confidence: 99%

Recent Advances in Solid Waste Minimization using Nanotechnology

Kumar¹

2018

IJRASET

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A continuum population burst has been observed from last decade which include some of the most populated developing nations including China and India. China and India together account nearly 36.41% of total world population, while the world population estimated 7.5 billion and expected to further rise 9.3-10 billion by 2050. With increasing the worldwide population the significant increase in solid waste generation has also been recorded which mainly because of over population growth rate, industrialization, urbanization and economic growth. The current global municipal solid waste generation levels are approx. 1.3billion tons per year and are expected to rise 2.2 billion by 2025. Higher the economic development and rate of urbanization, greater the municipal solid waste. The adverse effects may not only on human health but also include the flora and fauna, soil quality, ground water quality and air quality of the region. Therefore, there is an urgent need to reduce and eliminate adverse impacts of waste materials on human health and environment to support economic development and superior quality of life, regardless of the origin, content or hazard potential, solid waste must be managed systematically to ensure environmental best practices. In this review we have highlighted the applications and work in managing the municipal solid waste using nanotechnology to enable the manipulation and control the material's properties which exploits when the material is produced at nanoscale. Nanoscale technology not only revolutionizes but also improves and optimize, existing industrial processes and materials as well. Although the review focuses on the use of nanotechnology to facilitate waste minimization and prevent cycling of hazardous waste in the environment, which relatively is a new approach, the remediation and impact on the solid waste minimization and environment using nanotechnology are also discussed.

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Preliminary life-cycle assessment results for the design for the environment Computer Display Project

Cited by 10 publications

References 2 publications

Nanomaterials for environmental burden reduction, waste treatment, and nonpoint source pollution control: a review

Nanomaterials for environmental burden reduction, waste treatment, and nonpoint source pollution control: a review

Environmental life-cycle impacts of CRT and LCD desktop computer displays

Recent Advances in Solid Waste Minimization using Nanotechnology

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