Green Technology News

Transition-metal-free and organic solvent-free conversion of N-substituted 2-aminobiaryls into corresponding carbazoles via intramolecular oxidative radical cyclization induced by peroxodisulfate

RSC - Green Chem. latest articles - Mon, 11/13/2017 - 07:35
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC03130K, PaperPalani Natarajan, Pri Ya, Deachen Chuskit
An atom-economical and environmentally benign approach for the synthesis of N-substituted carbazoles from analogous 2-aminobiaryls using peroxodisulfate in water is reported. The reactions proceeded through an intramolecular oxidative radical cyclization...
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Decarboxylative reactions with and without light - a comparison

RSC - Green Chem. latest articles - Mon, 11/13/2017 - 07:35
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC02949G, Critical ReviewJohanna Schwarz, Burkhard Koenig
Carboxylic acids gain more and more in importance as versatile and renewable starting materials for the formation of platform molecules or high-value chemicals. Many decarboxylative reactions using metal- or photoredox...
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Comparative LCA of different graphene production routes

RSC - Green Chem. latest articles - Fri, 11/10/2017 - 11:16
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC02444D, PaperMatteo Cossutta, Jon McKechnie, Stephen J. Pickering
This study is an LCA of three graphene production routes: electrochemical exfoliation of graphite rods, chemical oxidation and subsequent chemical or thermal reduction and chemical vapour deposition (CVD). Different processes...
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Cobalt Modified N-doped Carbon Nanotubes for Catalytic C=C Bond Formation via Dehydrogenative Coupling of Benzyl Alcohols and DMSO

RSC - Green Chem. latest articles - Fri, 11/10/2017 - 11:16
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC02335A, CommunicationJinlei Li, Guoliang Liu, Lijun Shi, Qi Xing, fuwei li
The development of heterogeneous, cost-effective and environmentally benign catalysts to construct C=C bonds is highly desirable. We here report Co@N-doped carbon nanotubes (Co@NCNT) as a catalyst for novel synthesis of...
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Renewable Energy Can Be Strengthened in Next Round of Climate Negotiations

Alternative Energy - Fri, 11/10/2017 - 11:05
Nationally Determined Contributions under Paris Agreement must reflect growing business case and global momentum for renewables
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Natural Power advises on Europe's largest single-site onshore wind farm

Alternative Energy - Fri, 11/10/2017 - 11:04
Leading renewable energy and infrastructure consultancy, Natural Power, has completed due diligence on behalf of GE Energy Financial Services (GE EFS) and Green Investment Group Limited (Green Investment Group), part of Macquarie Group (Macquarie) for the acquisition of the 650-MW Markbygden ETT onshore wind farm in Northern Sweden, which reached financial close on 7th November 2017.
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Lamborghini’s New Concept Electric Car is Energy Storage On Wheels

Dom Galeon for Futurism: Together with MIT, Italian carmaker Lamborghini developed a new electric supercar that can also store energy. With supercapacitors instead of batteries, the Terzo Millennio is able to carry more power, which it can store in its carbon fiber body.
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SunPower Solar Carport Solutions Earn Spot on BuildingGreen's Top 10 Products for 2018

Alternative Energy - Fri, 11/10/2017 - 08:47
Recognizing the Most Innovative, Green Products Transforming the Building Industry and Earning Customers More LEED Points
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November 15: Ecotech Institute to Host Career Fair Featuring Major Energy Employers

Alternative Energy - Fri, 11/10/2017 - 08:44
A not-to-be-missed career fair event will take place at the Ecotech Institute campus in Aurora, Colorado on Wednesday, November 15, 2017. Free and open to the public, the event will feature breakout sessions by representatives of major employers in the energy sector, special prizes, complimentary food and refreshments, and much more.
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Senate tax reform bill would keep promise to US wind workers and rural America

Alternative Energy - Fri, 11/10/2017 - 08:42
60,000 middle-class wind jobs, $50B private investment in rural America, business confidence would be preserved
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$25.38/MWh bid sets new record low for 24/7 block mixing wind and solar at Chile tender

Alternative Energy - Fri, 11/10/2017 - 08:41
Verano Capital, an American project developer headquartered in Santiago, announced today that the 47 MW solar project they initially developed was selected in Chile’s latest energy tender with a winning bid at $25.38/MWh, the lowest 24/7 block price combining solar and wind ever recorded in the history of energy tenders.
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Powering the Future of Mobility

Can the electric vehicle (EV) market and power industry mutually benefit from one another?
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Aging US Wind Energy Fleet Driving Surge in Operating and Maintenance Spending, IHS Markit Says

Industry-wide North American benchmarking study aimed to help operators optimize assets, manage lifecycle costs as equipment ages.
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MOBI holds key to EV powertrain optimisation

Alternative Energy - Thu, 11/09/2017 - 12:22
Prof. Omar Hegazy, head of power electronics and electrical machines at the MOBI Research Centre, University of Brussels (VUB), recently highlighted his team's EV powertrain optimisation techniques at CWIEME Istanbul 2017.
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All-lignin approach to prepare cationic colloidal lignin particles: Stabilization of durable Pickering emulsions

RSC - Green Chem. latest articles - Thu, 11/09/2017 - 11:57
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC02900D, PaperMika Henrikki Sipponen, Matthew Smyth, Timo Leskinen, Leena-Sisko Johansson, Monika Osterberg
Surface modification of colloidal lignin particles (CLPs), which are obtained from renewable resources, is a plausible route towards novel biomaterials. Here we show that adsorption of cationic lignin onto spherical...
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Goldman Sachs selects LONGi for “New China Nifty 50” list

Alternative Energy - Thu, 11/09/2017 - 11:26
LONGi energy is the only energy company added to Goldman Sach's listing of companies to represent the Chinese modern economy.
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SUNLINK RANKED FASTEST GROWING ENERGY TECH COMPANY ON DELOITTE'S 2017 TECHNOLOGY FAST 500

Alternative Energy - Thu, 11/09/2017 - 11:26
SunLink Corporation, the leading full-scope solar energy solutions provider, announced today it ranked as the fastest growing energy technology company on the Deloitte Technology Fast 500, a ranking of the 500 fastest growing technology, media, telecommunications, life sciences and energy tech companies in North America. SunLink grew 226 percent during this period.
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PVinsights: Shrinking Demand for Mono PERC Products Forces Suppliers Spur Pricing War

Alternative Energy - Thu, 11/09/2017 - 08:56
Overall polysilicon prices drop slightly this week with minor correction in Chinese market. Although demand and supply remained quite balanced currently, the suppliers have sensed downstream price pressure and some reacted faster in lowering prices to retain clients. Furthermore, as to maintain the relationship with certain strategic mono-crystalline wafer makers in China, some Korean polysilicon suppliers proactively lowered prices despite solid demand in polysilicon sector. While in overseas market, polysilicon prices remained little changed from last week amid thinning trading.
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High-yield multicomponent synthesis of triazolo[1,2-a]indazole-triones using silica-coated ZnO nanoparticles as heterogeneous catalyst in the presence of ultrasound

RSC - Green Chem. latest articles - Thu, 11/09/2017 - 07:51
Green Chem., 2017, Accepted Manuscript
DOI: 10.1039/C7GC03279J, PaperDivya Verma, Vikash Sharma, Gunadhor Singh Okram, Shubha Jain
We report here a comprehensively detailed systematic investigations on a new method of an ultrasound-assisted synthesis of 4(a-m) triazolo[1,2-a]indazole-triones (TAITs) using the multicomponent condensation reaction among dimedone, 4-phenylurazole and various...
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Micelle formation as a factor influencing the mode(s) of metal ion partitioning into N-alkylpyridinium-based ionic liquids (ILs): implications for the design of IL-based extraction systems

RSC - Green Chem. latest articles - Thu, 11/09/2017 - 05:35

Green Chem., 2017, Advance Article
DOI: 10.1039/C7GC02338C, PaperJames L. Wankowski, Michael J. Kaul, Mark L. Dietz
In the extraction of alkali and alkaline earth cations by a crown ether into certain N-alkylpyridinium-based ILs, the balance between neutral complex/ion-pair partitioning and ion exchange is significantly altered by the formation of micelles in the aqueous phase involving the IL cation.
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