RU93039408A - METHOD OF PROCESSING OF WASTE WATER OF CHITOSAN PRODUCTION - Google Patents

METHOD OF PROCESSING OF WASTE WATER OF CHITOSAN PRODUCTION

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Publication number
RU93039408A
RU93039408A RU93039408/33A RU93039408A RU93039408A RU 93039408 A RU93039408 A RU 93039408A RU 93039408/33 A RU93039408/33 A RU 93039408/33A RU 93039408 A RU93039408 A RU 93039408A RU 93039408 A RU93039408 A RU 93039408A
Authority
RU
Russia
Prior art keywords
processing
solution
chitosan
waste water
wastewater
Prior art date
Application number
RU93039408/33A
Other languages
Russian (ru)
Other versions
RU2090515C1 (en
Inventor
В.В. Банников
Ф.И. Львович
В.В. Сова
Д.Б. Фрайман
Original Assignee
В.В. Банников
Filing date
Publication date
Application filed by В.В. Банников filed Critical В.В. Банников
Priority to RU93039408A priority Critical patent/RU2090515C1/en
Priority claimed from RU93039408A external-priority patent/RU2090515C1/en
Publication of RU93039408A publication Critical patent/RU93039408A/en
Application granted granted Critical
Publication of RU2090515C1 publication Critical patent/RU2090515C1/en

Links

Claims (1)

Изобретение относится к области переработки сточных вод производства хитозана и позволяет получить экологически замкнутый цикл. Сточные воды со стадии декальцинирования смешивают со сточными водами со стадии депротеинизации до получения раствора с концентрацией хлорида натрия 1,5-2,5 г/л. Полученный раствор направляют на растворение твердого хлорида натрия до получения раствора с концентрацией 310-350 г/л, который подают на электролиз с сепаратором. Полученный гидроксид подают на получение хитозана, а хлор - на получение соляной кислоты и товарного гипохлорита натрия в виде водного раствора.The invention relates to the field of processing wastewater production of chitosan and allows you to get environmentally closed loop. The wastewater from the decalcification stage is mixed with the wastewater from the deproteinization stage to obtain a solution with a concentration of sodium chloride of 1.5-2.5 g / l. The resulting solution is sent to dissolve solid sodium chloride to obtain a solution with a concentration of 310-350 g / l, which is fed to electrolysis with a separator. The resulting hydroxide is fed to obtain chitosan, and chlorine - to obtain hydrochloric acid and commercial sodium hypochlorite in the form of an aqueous solution.
RU93039408A 1993-08-16 1993-08-16 Method of processing waste water from chitosan production RU2090515C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93039408A RU2090515C1 (en) 1993-08-16 1993-08-16 Method of processing waste water from chitosan production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93039408A RU2090515C1 (en) 1993-08-16 1993-08-16 Method of processing waste water from chitosan production

Publications (2)

Publication Number Publication Date
RU93039408A true RU93039408A (en) 1995-06-19
RU2090515C1 RU2090515C1 (en) 1997-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU93039408A RU2090515C1 (en) 1993-08-16 1993-08-16 Method of processing waste water from chitosan production

Country Status (1)

Country Link
RU (1) RU2090515C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100567183C (en) * 2007-10-26 2009-12-09 大连利健甲壳素股份有限公司 The method that chitin, chitosan are produced treating waste liquid

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