Emission gas treatment method and emission gas treatment apparatus

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United States of America Patent

PATENT NO 9364784
APP PUB NO 20150101484A1
SERIAL NO

14382421

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Abstract

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An emission gas treatment apparatus recovers a recycle feed containing boron from emission gas discharged by a glass melting furnace. The apparatus includes a collection device for collecting a component containing boron from the emission gas by a wet process to obtain a collected liquid, a first filter for separating the collected liquid into a solid and a liquid, and an ion-exchange resin for forming a boron solution by removing an impurity from an extracted liquid obtained in the first filter. The apparatus also includes a mixing tank for mixing an extracted solid obtained in the first filter in the boron solution to form an extracted solid-containing solution, a second filter for separating the extracted solid-containing solution into a solid and a liquid, and a vacuum dryer for recovering the recycle feed from an extracted solid obtained in the second filter.

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Patent Owner(s)

Patent OwnerAddress
NIPPON ELECTRIC GLASS CO LTD7-1 SEIRAN 2-CHOME OTSU-SHI SHIGA 520-8639

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kitajima, Kenji Shiga, JP 24 123
Takaya, Tatsuya Shiga, JP 29 433

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