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Title:
A SOIL REMEDIANT AND ITS METHOD OF PRODUCTION
Document Type and Number:
WIPO Patent Application WO/2019/138205
Kind Code:
A1
Abstract:
There is disclosed a method of producing a soil remediant from liquid organic waste material in which the liquid organic waste material is concurrently pasteurised and digested by thermophilic aerobic digestion in the liquid phase in a single digester vessel. The organic waste material in the digester is maintained continuously at a temperature of at least 70°C for at least an hour and the -liquid organic waste material comprises at least 70% water and can be pumped. After a period of at least an hour a small amount of pasteurised organic waste material is removed and a corresponding amount of fresh organic waste material is added to the single digester vessel such that the temperature is maintained in a comfort zone of the thermophilic bacteria. In a preferred embodiment the thermophilic aerobic digestion is facilitated by micro-organisms including crenarchaeota. The liquid organic waste material can be combined with a microporous adsorbent. Also disclosed is a soil remediant comprising a microporous adsorbent and liquid organic waste material from the novel method. The microporous adsorbent may be a volcaniclastic sedimentary rock or diatomite or of vegetable origin such as biochar. The microporous adsorbent may be a powder or a granular material and may have particle sizes up to 2000 microns.

Inventors:
DREW BRUCE MICHAEL (GB)
SEVERWRIGHT ROBERT ANTHONY (GB)
YOUNG ROBERT LESLIE (GB)
CURD RICHARD (GB)
WRIGHT ROGER BENFIELD (GB)
Application Number:
GB2018/050079
Publication Date:
July 18, 2019
Filing Date:
January 12, 2018
Export Citation:
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Assignee:
AGRI TECH ORGANIC SOLUTIONS LTD (GB)
International Classes:
B09B3/00; C02F11/00; C02F11/18; C05F7/00; C05F9/00
Domestic Patent References:
WO2001085627A12001-11-15
Foreign References:
US4292328A1981-09-29
GB1522780A1978-08-31
US20120132586A12012-05-31
Other References:
None
Attorney, Agent or Firm:
BARKER BRETTELL LLP (GB)
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