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Table 3 Composition of synthetic raw water for USB reactor

From: Effect of carbon-to-nitrogen ratio on high-rate nitrate removal in an upflow sludge blanket reactor for polluted raw water pre-treatment application

Macronutrient (mg L−1)

Micronutrient (×10−3 mg L−1)

Sodium acetate

273–410

Ethylenediaminetetraacetic acid

12

Potassium nitrate

289

Iron(III) chloride hexahydrate

1.8

Magnesium chloride hexahydrate

121

Potassium iodide

0.22

Magnesium sulfate heptahydrate

68

Boric acid

0.18

Potassium hydrogen phosphate monobasic

18

Cobalt(II) chloride hexahydrate

0.18

Calcium chloride dihydrate

32

Manganese (II) chloride tetrahydrate

0.14

Zinc sulfate heptahydrate

0.14

Sodium molybdate dihydrate

0.07

Copper(II) sulfate pentahydrate

0.04