Why China is building islands in the South China Sea - Vox

Feb 17, 2017 ... China claims they aren't military bases, but its actions say otherwise. ... What were once underwater reefs are now sandy islands complete with ... of the South China Sea, and China took advantage of the moment to reclaim it.

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modern sand reclamation technologies for economy ... - Wesman

Main methods of Sand Reclamation are – (1) Mechanical Attrition ... (1) Thermally reclaimed sand undergoes lower thermal expansion causing better mould ...

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Thermal Sand Reclamation for all Foundries | foundry-planet.com ...

Mar 5, 2018 ... Why Thermally Reclaim? Today's modern foundry is under increasing pressure not only to reduce costs but to reduce its impact on the ...

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Green Sand.cdr - Rhino Machines Pvt. Ltd.

Jul 1, 2016 ... Green Sand Reclamation. A Necessity ... The basic reasons for reclaiming sand are: Economical ... who are importing sand from overseas – from China, UAE, Saudi Arabia ... Thermal Reclamation for Cores/No Bake Process.

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New technology in China turns desert into land rich with crops | CGTN ...

Sep 13, 2017 ... The Heat · Americas Now ... New technology in China turns desert into land rich with crops .... with controlled environmental agriculture and reclamation," Yang ... China's breakthrough experiment in converting sand to soil is ...

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Kubuqi Desert forum shares experiences in reclaiming ... - China Daily

Sep 9, 2017 ... The Kubuqi Desert is China's seventh-largest sand area, measuring 18,600 ... At the forum, the company shared its expertise in reclaiming land in desert ... Capitalizing solar and thermal energies in the Kubuqi Desert, Elion ...

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GTI - Thermal Sand Reclamation and Mechanical Sand Reclamation

Thermal sand reclamation was an exotic option for foundries and the Gudgeons wanted to develop a machine that was compact, unique in design with a low ...

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How Singapore Is Creating More Land for Itself - The New York Times

Apr 20, 2017 ... Jurong Island, a man-made smear of sand, lies just off the southern coast of Singapore. ... Safety goggles mist up with the heat and the humidity; the rock walls, wet ... But reclaiming land from the ocean has its limits, particularly in an ..... and it is renting land in northeast China to build itself a farm that will ...

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Effective Laboratory Method of Chromite Content Estimation in ...

Content Estimation in Reclaimed Sands. Z. Ignaszak a* ... devices in a sand reclamation system plants. ... greater relative thermal effusivity (bchromite sand / bquartz sand) – ..... [14] (China), Mineral Separation.

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Thermal Sand Reclamation for all Foundries – Global Casting Magazine

Oct 16, 2013 ... Why Thermally Reclaim? Today's modern foundry using one of the many chemically bonded sand systems available is under increasing ...

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Effect of reclaimed sand additions on mechanical properties and ...

Apr 26, 2017 ... reclaimed sand mechanical properties thermal decomposition ... This project is sponsored by the National Natural Science Foundation of China ...

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1. Introduction The combined mechanical-thermal ... - Sciendo

case of the regeneration of waste moulding sand with organic binder, in which castings are ... Keywords: waste moulding (foundry) sand, mechanical reclamation, thermal reclamation, roasting losses, grain-size analysis. ..... china, 665-673.

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Influence of a Reclaimed Sand Addition to Moulding Sand with Furan ...

Dec 6, 2015 ... Both kinds of investigations indicated that reclaimed sand additions to ... when the carbonaceous additives are exposed to the casting heat. ..... World Foundry Congress, October 16–20, Hangzhou China, Part II, 0697–0699.

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Dry reusing and wet reclaiming of used sodium silicate sand

2 No. 1, Feb. 2005. CHINA FOUNDRY ... Keywords: used sodium silicate sand; dry reusing; wet reclaiming .... demagnetizing equipment, heating equipment, dry.

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Grid of straw squares turns Chinese sand to soil | Environment| All ...

Jun 23, 2011 ... China has struggled to keep the deserts that cover more than a quarter of ... began the process or reclaiming land from the desert in the 1950s.

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Sand casting - Wikipedia

Sand casting, also known as sand molded casting, is a metal casting process characterized by ..... Clay molds were used in ancient China since the Shang Dynasty (c. 1600 to 1046 BC). The famous Houmuwu ding (c. ... In 1940, thermal sand reclamation was applied for molding and core sands. In 1952, the "D-process" was ...

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Investigations of Physicochemical Properties and Thermal Utilisation ...

mechanical reclamation process of moulding sands with resins, obtained from different ... used sands, mechanical reclamation, after reclamation dusts, thermal utilisation ..... [18] R. Dańko, M. Holtzer, J. Dańko, China Foundry 11, 2, 132-138.

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Low Temperature Sand Reclamation for Dramatically ... - CiteSeerX

Reclaiming sand for use in the core room with resin binder. 2. 2.1. This is a well ... ent permits to concentrate the thermal process more on the grain surface: this ... with a variety of sands in the U S and is in use in China for the reclamation of ...

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Conditions of Thermal Reclamation Process Realization ... - De Gruyter

The results of investigations of thermal reclamation of spent moulding sands originating from an aluminum alloy foundry plant are presented in this ... furan moulding sands applied in an aluminum alloy foundry plant ..... China Foundry. 10(3) ...

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A new low-cost method of reclaiming mixed foundry waste sand based ...

thermal reclaimed sand and the dehydrated wet reclaimed sand were mixed in ... The mixed waste sand came from a large-scale casting factory in China.

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Investigation of parameters and mechanism of ultrasound-assisted wet ...

Nov 10, 2017 ... The ultrasonic mechanical effect, cavitation, and thermal effect could accelerate the ... the reclaimed sands were compared, and the mechanism.

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Wet regeneration treatment for the reclamation of waste foundry sands ...

The efficiency of a wet treatment process for the reclamation of waste sands ... sample coming from a thermal reclamation treatment, and to some bentonite and ...

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Thermal Sand Reclamation - Enviro Air

EnviroAir Thermal Sand Reclamation Systems reduce the amount of new sand purchased, the amount of waste sand going to landfills, and the associated ...

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Thermal Sand Reclamation - Wesman

WESMAN THERMAL SAND RECLAMATION SYSTEM Sand Reclamation can be termed as the process of reconditioning of used sand in a foundry without ...

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New Land Around Shanghai - NASA Earth Observatory

Mar 30, 2017 ... ... of sand, Shanghai has added well over 580 square kilometers (220 square miles) of ... Reclaimed land has proven to be an economic boon for the city, often ... Other provinces in China with large amounts of newly reclaimed land include Tianjian, Hebei, and Jiangsu. ... Urban Heat Island: Baltimore, MD.

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