ホウ素含有排水の固化方法および固化設備

Title:

ホウ素含有排水の固化方法および固化設備

Document Type and Number:

Japanese Patent JP4427244

Kind Code:

B2

Abstract:

To provide a treatment method for boron-containing wastewater which easily solidifies boron in wastewater to make the same harmless and effectively prevents boron from being eluted from the formed boron-containing solidified body to produce a harmful substance.

This solidifying method for boron-containing wastewater includes a composition regulating process for supplying calcium chloride to a wastewater tank for storing the boron-containing wastewater and mixing the same with the wastewater under stirring to regulate a wastwater composition, a kneading process for adding cement being a solidifying agent to the boron-containing wastewater after preparation drawn out of the wastewater tank to mix the same with the wastewater under stirring and a solidified matter producing process.

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Inventors:

Narita Saburo
Hidetomo Noda
Yoshito Mori
Masao Aoki
Takuya Hirata
Takashina Toru
Chiyomaru Kazuki
Takeshi Oishi
Susumu Okino

Application Number:

JP2002314025A

Publication Date:

March 03, 2010

Filing Date:

October 29, 2002

Export Citation:

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Assignee:

Chubu Electric Power Co., Inc.
MITSUBISHI HEAVY INDUSTRIES,LTD.

International Classes:

C02F1/00; C02F1/58; C02F1/04; C04B18/08; C04B18/30; C04B28/04

Domestic Patent References:

JP59012400A
JP2001079564A
JP59012400B1
JP2001239273A
JP5004080A
JP10137540A
JP7280993A

Attorney, Agent or Firm:

Shoichi Okuyama
Arihara Koichi
Matsushima Tetsuo

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