Extraction of fertilizer salts and organic substances of high nu

Chemistry: fertilizers – Processes and products – Organic material-containing

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71 26, 71 33, 71 54, 159 47WL, 210 42R, 210 51, 426636, C05F 700

Patent

active

040690334

ABSTRACT:
A process for obtaining fertilizer salts and organic substance concentrates of high nutritive value from industrial waste waters, in particular of waste waters of the agricultural, food processing and food preserving industries, with a high content of Totally Dissolved Solids (T.D.S.), includes the following operating phases:

REFERENCES:
patent: 3171804 (1965-03-01), Rice
patent: 3236766 (1966-02-01), Levin
patent: 3605775 (1971-09-01), Zaander et al.
patent: 3650686 (1972-03-01), Hudson et al.
patent: 3725263 (1973-04-01), Harris et al.
patent: 3865568 (1975-02-01), Kratzer
patent: 3936375 (1976-02-01), Nettli

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