carbon reduction Articles

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Difficult Complex Decisions For Coal-fired Power Plant Operators

by The McIlvaine Company  (Apr. 15, 2015)

Changing fuel prices, government regulations and technology all combine to make decision making difficult for operators and developers of coal-fired power generation facilities around the world. Power plant designers in developing countries face new local environmental regulations plus additional requirements stipulated by lenders such as the ...

Can saltwater quench our growing thirst?

by Ensia  (Apr. 13, 2015)

An increasingly water-stressed world takes a new look at desalination. It seems simple enough: Take the salt out of water so it’s drinkable. But it’s far more complex than it appears at first glance. It’s also increasingly crucial in a world where freshwater resources are progressively strained by population growth, ...

Who really is responsible for climate change and industrial emissions policy in Canada?

by GLOBE Foundation  (Mar. 24, 2015)

There seems to be no end to press releases announcing good things to deal with climate change and equally no end to criticism for alleged failings in this regard. All three levels of government share in the plaudits and criticisms for achievements or failures related to climate change, which is understandable given the lack of clarity as to who ...

City of Houston Total Organic Carbon - Case Study

by TOC Systems, Inc.  (Mar. 2, 2015)

ABSTRACT The City of Houston, Texas has been aware of the implications that current and pending regulatory standards would have on the operation of their four surface water treatment facilities. In particular, the City has closely monitored changes in regulations related to enhanced coagulation, total organic carbon (TOC) removal, and ...

Hexavalent chromium reduction and energy recovery by using dual-chambered microbial fuel cell

by IWA Publishing  (Feb. 26, 2015)

Microbial fuel cell (MFC) technology is utilized to treat hexavalent chromium (Cr(VI)) from wastewater and to generate electricity simultaneously. The Cr(VI) is bioelectrochemically reduced to non-toxic Cr(III) form in the presence of an organic electron donor in a dual-chambered MFC. The Cr(VI) as catholyte and artificial wastewater inoculated ...

Influence of COD/sulfate ratios on the integrated reactor system for simultaneous removal of carbon, sulfur and nitrogen

by IWA Publishing  (Mar. 16, 2015)

An integrated reactor system was developed for the simultaneous removal of carbon, sulfur and nitrogen from sulfate-laden wastewater and for elemental sulfur (S0) reclamation. The system mainly consisted of an expanded granular sludge bed (EGSB) for sulfate reduction and organic carbon removal (SR-CR), an EGSB for denitrifying sulfide removal ...

Removal of bromide and bromate from drinking water using granular activated carbon

by IWA Publishing  (Feb. 27, 2015)

Granular activated carbon (GAC) was used to remove bromide (Br−) and bromate (BrO3−) from drinking water in both bench- and pilot-scale experiments. The present study aims to minimize BrO3− formation and eliminate BrO3− generated during the ozonation of drinking water, particularly in packaged drinking ...

Determinants of corporate carbon reduction targets

by Inderscience Publishers  (Sep. 25, 2014)

This paper examines attributes affecting a corporation’s choice of an intensity-only (carbon emissions relative to sales, production, etc.) versus an absolute carbon dioxide (CO 2 ) emissions goal. We investigate alternative hypotheses for this choice including: 1) a high growth hypothesis whereby high growth companies select an intensity goal, ...

Comparative study on electrochemical 4-chlorophenol degradation in different diaphragm systems with combined reduction and oxidation properties

by IWA Publishing  (Jan. 21, 2015)

Two diaphragm electrolysis systems, two-electrode (anode–cathode) and three-electrode (cathode–anode–cathode), were compared for the electrochemical degradation of 4-chlorophenol. The performance of these systems was improved by feeding with hydrogen gas and then with air, in aid of the combined processes of reduction and ...

Development and testing of a European Union –wide farm‐level carbon calculator

by John Wiley & Sons, Ltd.  (Feb. 6, 2015)

Direct greenhouse gas (GHG) emissions from agriculture accounted for around 10% of total European Union (EU) emissions in 2010. To reduce farming‐related GHG emissions, appropriate policy measures and supporting tools for promoting low‐carbon farming practices may be efficacious. This paper presents the methodology and testing results of a new ...

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