RU2015151158A - A method of processing solid waste from the production of soda ash by the ammonia method - Google Patents

A method of processing solid waste from the production of soda ash by the ammonia method Download PDF

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Publication number
RU2015151158A
RU2015151158A RU2015151158A RU2015151158A RU2015151158A RU 2015151158 A RU2015151158 A RU 2015151158A RU 2015151158 A RU2015151158 A RU 2015151158A RU 2015151158 A RU2015151158 A RU 2015151158A RU 2015151158 A RU2015151158 A RU 2015151158A
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RU
Russia
Prior art keywords
solid waste
calcium
production
soda ash
processing solid
Prior art date
Application number
RU2015151158A
Other languages
Russian (ru)
Other versions
RU2647931C2 (en
Inventor
Раис Нуриевич Загидуллин
Ринат Азгатович Ибрагимов
Аскат Ахиярович Мухаметов
Салават Нуриевич Загидуллин
Анатолий Васильевич Воронин
Ольга Ивановна Котова
Original Assignee
Федеральное Казенное Предприятие "Авангард"
Государственное автономное научное учреждение "Институт прикладных исследований" Академии наук Республики Башкортостан
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Application filed by Федеральное Казенное Предприятие "Авангард", Государственное автономное научное учреждение "Институт прикладных исследований" Академии наук Республики Башкортостан filed Critical Федеральное Казенное Предприятие "Авангард"
Priority to RU2015151158A priority Critical patent/RU2647931C2/en
Publication of RU2015151158A publication Critical patent/RU2015151158A/en
Application granted granted Critical
Publication of RU2647931C2 publication Critical patent/RU2647931C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)

Claims (2)

1. Способ переработки твердых отходов производства кальцинированной соды аммиачным методом, полученный фильтрацией дистиллерной жидкости с использованием промышленных мембранных фильтр-прессов, отличающийся тем, что твердые отходы (шлам, кек), полученные после фильтрации дистиллерной жидкости, подают в печь обжига, процесс ведут при температуре 900-950°С.1. A method of processing solid waste from the production of soda ash by the ammonia method, obtained by filtration of a distiller liquid using industrial membrane filter presses, characterized in that the solid waste (sludge, cake) obtained after filtering a distiller liquid is fed to a firing furnace, the process is carried out at temperature 900-950 ° С. 2. Способ по п. 1, отличающийся тем, что в печь обжига подают твердый отход следующего состава, масс. %: карбонат кальция 38,4-40,0; гидрат оксида кальция 29,0-31,0; сульфат кальция 6,5-7,0; неактивные и нерастворимые в воде оксиды металлов, а также оксиды тяжелых металлов и двойные, тройные оксиды кальция, магния, алюминия и кремния (5CaO⋅6SiO2⋅5,5H2O; 7CaO⋅5Al2O3⋅MgO; 3CaO⋅Al2O3⋅CaCO3⋅11H2O) 22,0-22,5; хлористый кальций 0,1-2,77; хлористый натрий 0,20-1,23.2. The method according to p. 1, characterized in that in the kiln serves solid waste of the following composition, mass. %: calcium carbonate 38.4-40.0; calcium oxide hydrate 29.0-31.0; calcium sulfate 6.5-7.0; inactive and water-insoluble metal oxides, as well as heavy metal oxides and binary, ternary oxides of calcium, magnesium, aluminum and silicon (5CaO⋅6SiO 2 ⋅5.5H 2 O; 7CaO⋅5Al 2 O 3 ⋅MgO; 3CaO⋅Al 2 O 3 ⋅CaCO 3 ⋅11H 2 O) 22.0-22.5; calcium chloride 0.1-2.77; sodium chloride 0.20-1.23.
RU2015151158A 2015-11-27 2015-11-27 Method for processing solid waste of production of sodium carbonate by ammonium method RU2647931C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015151158A RU2647931C2 (en) 2015-11-27 2015-11-27 Method for processing solid waste of production of sodium carbonate by ammonium method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015151158A RU2647931C2 (en) 2015-11-27 2015-11-27 Method for processing solid waste of production of sodium carbonate by ammonium method

Publications (2)

Publication Number Publication Date
RU2015151158A true RU2015151158A (en) 2017-06-01
RU2647931C2 RU2647931C2 (en) 2018-03-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015151158A RU2647931C2 (en) 2015-11-27 2015-11-27 Method for processing solid waste of production of sodium carbonate by ammonium method

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU983051A1 (en) * 1981-01-05 1982-12-23 Предприятие П/Я А-3732 Method of cleaning technological carbonate raw material
RU2071940C1 (en) * 1993-11-24 1997-01-20 Акционерное общество открытого типа "Сода" Method of processing distillery suspension of ammonium-soda manufacture
DE19900187C1 (en) * 1999-01-06 2000-06-15 Stockhausen Chem Fab Gmbh Filtration of flocculated water in a filter-press modified for hydrostatic filtration as a first stage to pressure dewatering
EP2361224B1 (en) * 2008-11-21 2015-07-08 University Of South Australia Utilisation of desalination waste

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RU2647931C2 (en) 2018-03-21

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Effective date: 20180227