abstract |
AN INEXPENSIVE PROCESS FOR REMOVING DISSOLVED PHOSPHATES FROM WASTE WATER BY PRECIPITATING SAME WHICH INCLUDES ADDING TO SAID WASTE WATER A MIXTURE OF LIME AND CATION EXCHANGE MATERIAL A CATION EXCHANGE CAPACITY OF AT LEAST ABOUT 20 MILLIEQUIVALENTS PER 100 GRAMS OF CATION EXCHANGE MATERIAL, THEREBY PRECIPITATING THE SOLUBLE PHOSPHATES AS INSOLUBEL PHOSPHATE SALTS. |