Method for recycling important nutritional elements from waste
First Claim
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1. A process for releasing nutritional elements from waste, the process comprising the steps of:
- (a) separating the waste into a solid phase and a liquid phase; and
(b) adding to said solid phase or a slurry prepared from the solid phase at least one enzyme or at least one mixture of enzymes.
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Abstract
The present invention relates to a process wherein waste material derived from human, animal and industrial areas is processed to utilize the energy resources present in the solid phase and, optionally, to recover important nutritional elements as well as toxic heavy metals. In particular, there is provided a process for releasing plant nutritional elements and utilising toxic metals and carbon energy resources present in such waste, comprising treating the waste with one or more enzymes as biological catalysts.
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Citations
43 Claims
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1. A process for releasing nutritional elements from waste, the process comprising the steps of:
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(a) separating the waste into a solid phase and a liquid phase; and
(b) adding to said solid phase or a slurry prepared from the solid phase at least one enzyme or at least one mixture of enzymes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 34, 35, 36, 38, 39, 40, 41)
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- 32. An enzyme mixture comprising at least two enzymes, three, four, five, six, seven, eight, nine or ten enzymes,
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42. An enzyme mixture comprising at least two or more of xylanase, cellulase, hemicellulase, glucanase, urease, protease, lipase, amylase, phytase, phosphatase, aminopeptidase, amylase, carbohydrase, carboxypeptidase, catalase, chitinase, cutinase, cyclodextrin glycosyltransferase, deoxyribonuclease, esterase, alpha galactosidase, beta-galactosidase, glucoamylase, alpha-glucosidase, beta-glucosidase, haloperoxidase, invertase, laccase, mannosidase, oxidase, pectinolytic enzyme, peptidoglutaminase, peroxidase, polyphenoloxidase, proteolytic enzyme, ribonuclease or transglutaminase.
Specification