Fertilizer from brewery cleaning and rinsing solutions

Details Fertilizer from brewery cleaning and rinsing solutions Fertilizer from brewery cleaning and rinsing solutions

1997-12-31

2000-03-28

Straub, Gary P.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 641, 71 43, 71 26, 134 27, 134 28, 134 29, 405128, 405263, 405264, 423659, 428592, 992771, A01N 2500, C05B 1100, C05F 500, B08B 300, B09B 100

Patent

active

060426292

ABSTRACT:
A process provides for the production of fertilizer solutions from brewery cleaning solutions. The process comprises the steps of combining a brewery caustic potash cleaning solution with a brewery nitrogen- or phosphorus-containing acid cleaning solution in mutually neutralizing amounts. This process results in the production of a fertilizer solution comprising a neutralized potassium salt solution having nitrogen-containing, organic, brewing materials entrained therein. If desired, spent grains and/or spent yeast from the brewing process can be added to provide further nutrients.

REFERENCES:
patent: 4043936 (1977-08-01), Francis et al.
Ajmal, Mohammad, Effects of Brewery Effluent on Agricultural Soil and Crop Plants, Environ Pollution Service, pp. 341-351, 1984.

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