RU2015143587A - METHOD FOR PRODUCING SULPHIDATED LIGNIN AND ITS USE AS SORBENT FOR COMBINING HEAVY METALS - Google Patents

METHOD FOR PRODUCING SULPHIDATED LIGNIN AND ITS USE AS SORBENT FOR COMBINING HEAVY METALS Download PDF

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Publication number
RU2015143587A
RU2015143587A RU2015143587A RU2015143587A RU2015143587A RU 2015143587 A RU2015143587 A RU 2015143587A RU 2015143587 A RU2015143587 A RU 2015143587A RU 2015143587 A RU2015143587 A RU 2015143587A RU 2015143587 A RU2015143587 A RU 2015143587A
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RU
Russia
Prior art keywords
lignin
sorbent
producing
sulphidated
heavy metals
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RU2015143587A
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Russian (ru)
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RU2624311C2 (en
Inventor
Евгения Александровна Чернышева
Валентина Александровна Грабельных
Екатерина Петровна Леванова
Ольга Николаевна Игнатова
Игорь Борисович Розенцвейг
Наталья Владимировна Руссавская
Виктор Геннадьевич Дронов
Алексей Федорович Гоготов
Николай Алексеевич Корчевин
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский государственный университет путей сообщения" (ФГБОУ ВО "ИрГУПС)
Федеральное государственное бюджетное учреждение науки "Иркутский Институт химии им. А.Е. Фаворского" Сибирского отделения Российской академии наук (ИрИХ СО РАН)
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Application filed by Федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский государственный университет путей сообщения" (ФГБОУ ВО "ИрГУПС), Федеральное государственное бюджетное учреждение науки "Иркутский Институт химии им. А.Е. Фаворского" Сибирского отделения Российской академии наук (ИрИХ СО РАН) filed Critical Федеральное государственное бюджетное образовательное учреждение высшего образования "Иркутский государственный университет путей сообщения" (ФГБОУ ВО "ИрГУПС)
Priority to RU2015143587A priority Critical patent/RU2624311C2/en
Publication of RU2015143587A publication Critical patent/RU2015143587A/en
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Publication of RU2624311C2 publication Critical patent/RU2624311C2/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G1/00—Lignin; Lignin derivatives

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  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Water Treatment By Sorption (AREA)

Claims (2)

1. Способ получения сульфидированного лигнина с использованием хлорлигнина и полисульфида щелочного металла, отличающийся тем, что исходный хлорированный лигнин получают при действии на лигнин хлорной воды, раствор полисульфида щелочного металла получают из серы и щелочи в водном растворе гидразингидрата при массовом соотношении гидразингидрат:вода = 1:20, мольном соотношении сера:щелочь = 1:1, хлор в хлорлигнине:сера = 1:1 и процесс ведут при температуре 40°С.1. A method of producing sulfidized lignin using chloro lignin and an alkali metal polysulfide, characterized in that the initial chlorinated lignin is obtained by acting on lignin of chlorine water, an alkali metal polysulfide solution is obtained from sulfur and alkali in an aqueous hydrazine hydrate solution in a weight ratio hydrazine hydrate: water = 1 : 20, molar ratio of sulfur: alkali = 1: 1, chlorine in chloro lignin: sulfur = 1: 1 and the process is carried out at a temperature of 40 ° C. 2. Использование сульфидированного лигнина, полученного по п. 1, в качестве сорбента для извлечения соединений тяжелых металлов из водных растворов.2. The use of sulfidized lignin obtained according to claim 1, as a sorbent for the extraction of heavy metal compounds from aqueous solutions.
RU2015143587A 2015-10-12 2015-10-12 Method of obtaining a sulfurized lignin and using it as a sorbent for heavy metal compounds RU2624311C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015143587A RU2624311C2 (en) 2015-10-12 2015-10-12 Method of obtaining a sulfurized lignin and using it as a sorbent for heavy metal compounds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015143587A RU2624311C2 (en) 2015-10-12 2015-10-12 Method of obtaining a sulfurized lignin and using it as a sorbent for heavy metal compounds

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RU2015143587A true RU2015143587A (en) 2017-04-17
RU2624311C2 RU2624311C2 (en) 2017-07-03

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI50993C (en) * 1974-02-21 1976-09-10 Rauma Repola Oy Polymer made of lignin and its production method.
SU933669A1 (en) * 1980-08-04 1982-06-07 Научно-Производственное Гидролизное Объединение(Научно-Производственное Объединение "Гидролизпром") Process for producing sulphur-containing lignine
RU2558896C1 (en) * 2014-06-06 2015-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Иркутский государственный университет путей сообщения (ФГБОУ ВПО ИрГУПС) Method of producing sorbent for removing heavy metals from waste water

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RU2624311C2 (en) 2017-07-03

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Effective date: 20181013