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2 181 340

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IPC

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Application

2001112194/12, 2001-05-10

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Start date

2001-05-10

(22)

Actual filing date

2001-05-10

(45)

Published

2002-04-20

(72)

Inventor

Kesojan G.A.Dobroskokina N.D.Epifanova O.M.Anisimova L.M.Godovnikov L.G.Chelebi G.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

SODIUM DYHYDROPYROPHOSPHATE PRODUCTION PROCESS Russian patent published in 2002 - IPC

Abstract RU 2181340 C1

FIELD: inorganic compounds technology. SUBSTANCE: invention relates to production of sodium dyhydropyrophosphate for the use as baking powder in food industry and also in sausage production. Process includes neutralization of phosphoric acid with sodium hydroxide at Na₂O/P₂O₅ molar ratio (1.02-1.07):1, boiling of resulting solution at 102-105 C for 30-40 min, and filtration to remove impurities, after which phosphoric acid at 1:1 Na₂O/P₂O₅ molar ratio is added, product is dried at 170- 230 C in spray drier and then baked. EFFECT: improved quality of product due to lower impurity level and raised productivity of process due to increased yield of product. 1 tbl _

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RU 2 181 340 C1

Authors

Kesojan G.A.

Dobroskokina N.D.

Epifanova O.M.

Anisimova L.M.

Godovnikov L.G.

Chelebi G.A.

Dates

2002-04-20—Published

2001-05-10—Filed