PRODUCTION OF CULTURE SOIL FOR SEEDLING GROWTH USING DEHYDRATED SLUDGE AS RAW MATERIAL

Title:

PRODUCTION OF CULTURE SOIL FOR SEEDLING GROWTH USING DEHYDRATED SLUDGE AS RAW MATERIAL

Document Type and Number:

Japanese Patent JP2969499

Kind Code:

B2

Abstract:

PURPOSE: To effectively reuse a sludge by producing a culture soil for seedling growth having high productive value using a dehydrated sludge as a raw material made by dehydrating a sludge, etc., produced in a water purifying plant or accumulated in rivers, lakes, etc.
CONSTITUTION: A dehydrated sludge cake is baked at 600-1100°C and a baked product is crushed and added with other culture soil raw materials at need. The baked product or a mixture of the same and other culture soil raw materials is conditioned humidity and granulated to produce this culture soil for seedling growth using the dehydrated sludge as the raw material.

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Inventors:

SAKABA MASARU
FUJITA JINSHIRO
KAWAGUCHI HIROO

Application Number:

JP6369694A

Publication Date:

November 02, 1999

Filing Date:

March 31, 1994

Export Citation:

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Assignee:

HITACHI ZOSEN KK

International Classes:

A01G1/00; C02F11/00; C02F11/10; (IPC1-7): A01G1/00; C02F11/00; C02F11/10

Domestic Patent References:

JP6434214A
JP6434215A
JP4108315A

Attorney, Agent or Firm:

Eisuke Kishimoto (3 others)

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