Fertilizer manufacture

Details Fertilizer manufacture Fertilizer manufacture

1981-10-14

1987-03-24

Dixon, Jr., William R.

Chemistry: fertilizers

Processes and products

Inorganic material

71 34, 423310, 423312, C05B 1100

Patent

active

046522956

ABSTRACT:
An improved continuous process for the production of fertilizers, wherein the reactions, mixing, sizing, and moisture removal required to produce a resultant product are carried out on a simple, flat surface that moves horizontally, and wherein, in the reactor-mixing zone of said surface, the surface movement, the shearing action of moving blades, the moving spargers for distributing reactants and reaction products, the unusually wide dispersion of the reactants and reaction products, and the unusually long retention time and extensive aeration of the final reaction products and reacted product have the useful benefits of low consumption of energy, close product size control, elimination of the need for recycling produced materials as a means of wetness control in the reactor-mixing zone, and of achieving relatively simple, low cost processing.

REFERENCES:
patent: 3533829 (1970-10-01), Quanquin
patent: 3730700 (1973-05-01), Groenueld
patent: 3988140 (1976-10-01), Burns et al.
patent: 4341739 (1982-07-01), Ellis et al.

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