SU584001A1 - Method of regenerating ethylenediaminetetraacetic acid and copper from copper-trilon solutions - Google Patents

Method of regenerating ethylenediaminetetraacetic acid and copper from copper-trilon solutions

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Publication number
SU584001A1
SU584001A1 SU7602404989A SU2404989A SU584001A1 SU 584001 A1 SU584001 A1 SU 584001A1 SU 7602404989 A SU7602404989 A SU 7602404989A SU 2404989 A SU2404989 A SU 2404989A SU 584001 A1 SU584001 A1 SU 584001A1
Authority
SU
USSR - Soviet Union
Prior art keywords
copper
trilon
regenerating
solutions
ethylenediaminetetraacetic acid
Prior art date
Application number
SU7602404989A
Other languages
Russian (ru)
Inventor
Виктор Моисеевич Щепалин
Ирина Сергеевна Чистякова
Людмила Пахомовна Шарова
Владимир Иванович Романенко
Алексей Сергеевич Логинов
Original Assignee
Предприятие П/Я В-2822
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Предприятие П/Я В-2822 filed Critical Предприятие П/Я В-2822
Priority to SU7602404989A priority Critical patent/SU584001A1/en
Application granted granted Critical
Publication of SU584001A1 publication Critical patent/SU584001A1/en

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Description

II р   м е p. В исходный раствор,, додержащкй 2,2 г/л меди и 10,2 г/л ЭДТА (рН 2), при перемгашваню ввод т конценгрирсжанную серную кислоту до общей кислотности раствора 3,1 г-экв/л., перемешивают в течение трех часов и отстаивают 8 ч.II p m e p. Into the initial solution containing 2.2 g / l of copper and 10.2 g / l of EDTA (pH 2), with distilled sulfuric acid, the total acidity of the solution is 3.1 g / eq / l and mixed for three hours and defend 8 hours

При этом из раствора кристаллизуетс  в виде белых кристаллов. Из исходного раствора объемом 1,5 л получено 15,3 г ЭДТАAt the same time, the solution crystallizes in the form of white crystals. 15.3 g of EDTA were obtained from the initial 1.5 l solution

и 3,2 г Си. Концентра1(и  ЭДТА в маточном р«9створе равна 23 мг/л, а меди после сорбции са смоле КУ - 2 5 мг/л.and 3.2 g of C. Concentration1 (and EDTA in the uterine fluid is 23 mg / l and copper after sorption with KU sa-resin is 2–5 mg / l.

Извлечение ЭДТА из раствора составл ет 99,7%, меди 99,8%.Extraction of EDTA from the solution is 99.7%, copper 99.8%.

1Ъзультаты других опытов приведены в таблице . Услови  опытов: концентраци  меди 2,4 г/л, ЭДТА 11,5 г/л, врем  лерелкшивани  4 ч.1 The results of other experiments are shown in the table. Experimental conditions: copper concentration 2.4 g / l, EDTA 11.5 g / l, baking time 4 h.

130 1,63 3,85 4,9 7Х)130 1.63 3.85 4.9 7X

Claims (3)

1.Патент Японии № 25124, кл. 15АО, 1968.1. Japanese Patent No. 25124, cl. 15AO, 1968. 2.Патент США N 3148947, кл. 23-125, 1964.2. US Patent N 3148947, cl. 23-125,1964. 3.Авторское свидетельство СССР №374925, кл, С 07 С 93/00, 27.10.71.3. USSR author's certificate No. 374925, class C 07 C 93/00, 10/27/71.
SU7602404989A 1976-09-17 1976-09-17 Method of regenerating ethylenediaminetetraacetic acid and copper from copper-trilon solutions SU584001A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU7602404989A SU584001A1 (en) 1976-09-17 1976-09-17 Method of regenerating ethylenediaminetetraacetic acid and copper from copper-trilon solutions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7602404989A SU584001A1 (en) 1976-09-17 1976-09-17 Method of regenerating ethylenediaminetetraacetic acid and copper from copper-trilon solutions

Publications (1)

Publication Number Publication Date
SU584001A1 true SU584001A1 (en) 1977-12-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU7602404989A SU584001A1 (en) 1976-09-17 1976-09-17 Method of regenerating ethylenediaminetetraacetic acid and copper from copper-trilon solutions

Country Status (1)

Country Link
SU (1) SU584001A1 (en)

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