RU93037212A - METHOD FOR PRODUCING PEAT DYE FROM HUMIC ACIDS - Google Patents

METHOD FOR PRODUCING PEAT DYE FROM HUMIC ACIDS

Info

Publication number
RU93037212A
RU93037212A RU93037212/04A RU93037212A RU93037212A RU 93037212 A RU93037212 A RU 93037212A RU 93037212/04 A RU93037212/04 A RU 93037212/04A RU 93037212 A RU93037212 A RU 93037212A RU 93037212 A RU93037212 A RU 93037212A
Authority
RU
Russia
Prior art keywords
dye
peat
humic acids
extractant
reducing
Prior art date
Application number
RU93037212/04A
Other languages
Russian (ru)
Other versions
RU2071490C1 (en
Inventor
О.И. Квасенков
Original Assignee
Всероссийский научно-исследовательский институт консервной и овощесушильной промышленности
Filing date
Publication date
Application filed by Всероссийский научно-исследовательский институт консервной и овощесушильной промышленности filed Critical Всероссийский научно-исследовательский институт консервной и овощесушильной промышленности
Priority to RU93037212A priority Critical patent/RU2071490C1/en
Priority claimed from RU93037212A external-priority patent/RU2071490C1/en
Publication of RU93037212A publication Critical patent/RU93037212A/en
Application granted granted Critical
Publication of RU2071490C1 publication Critical patent/RU2071490C1/en

Links

Claims (1)

Изобретение относится к технологии производства красителя из торфа, используемого для окрашивания древесины. Способ включает экстракцию торфа жидким аммиаком при давлении выше атмосферного, отделенные экстракты и его концентрирование с отгонкой паров экстрагента повышением температуры и/или снижением давления. Способ позволяет повысить качество получаемого красителя за счет сокращения содержания в нем водорастворимых сопутствующих балластных веществ и имеет сниженную энергоемкость концентрирования красителя за счет использования экстрагента с меньшей удельной теплоемкостью.The invention relates to a technology for the production of dye from peat used for coloring wood. The method involves the extraction of peat with liquid ammonia at a pressure above atmospheric, the separated extracts and its concentration with distillation of the vapors of the extractant by increasing the temperature and / or reducing the pressure. The method allows to improve the quality of the obtained dye by reducing the content of water-soluble concomitant ballast substances in it and has a reduced energy intensity of dye concentration due to the use of an extractant with a lower specific heat capacity.
RU93037212A 1993-07-22 1993-07-22 Method for production of peat dye on the base of humic acids RU2071490C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93037212A RU2071490C1 (en) 1993-07-22 1993-07-22 Method for production of peat dye on the base of humic acids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93037212A RU2071490C1 (en) 1993-07-22 1993-07-22 Method for production of peat dye on the base of humic acids

Publications (2)

Publication Number Publication Date
RU93037212A true RU93037212A (en) 1996-10-27
RU2071490C1 RU2071490C1 (en) 1997-01-10

Family

ID=20145406

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93037212A RU2071490C1 (en) 1993-07-22 1993-07-22 Method for production of peat dye on the base of humic acids

Country Status (1)

Country Link
RU (1) RU2071490C1 (en)

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