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RU2002104138A - The method of obtaining granular filter material - Google Patents

The method of obtaining granular filter material

Info

Publication number
RU2002104138A
RU2002104138A RU2002104138/12A RU2002104138A RU2002104138A RU 2002104138 A RU2002104138 A RU 2002104138A RU 2002104138/12 A RU2002104138/12 A RU 2002104138/12A RU 2002104138 A RU2002104138 A RU 2002104138A RU 2002104138 A RU2002104138 A RU 2002104138A
Authority
RU
Russia
Prior art keywords
filter material
granular filter
obtaining granular
mixture
obtaining
Prior art date
Application number
RU2002104138/12A
Other languages
Russian (ru)
Other versions
RU2216385C2 (en
Inventor
Евгений Георгиевич Петров
Original Assignee
Петербургский государственный университет путей сообщения
Евгений Георгиевич Петров
Filing date
Publication date
Application filed by Петербургский государственный университет путей сообщения, Евгений Георгиевич Петров filed Critical Петербургский государственный университет путей сообщения
Priority to RU2002104138A priority Critical patent/RU2216385C2/en
Priority claimed from RU2002104138A external-priority patent/RU2216385C2/en
Publication of RU2002104138A publication Critical patent/RU2002104138A/en
Application granted granted Critical
Publication of RU2216385C2 publication Critical patent/RU2216385C2/en

Links

Claims (2)

1. Способ получения гранулированного фильтрующего материала, включающий введение в глинистую суспензию порошкообразного доломита с последующей грануляцией и обжигом, отличающийся тем, что доломит вводят в количестве 10-20 вес.% от массы глины, после чего производят механическое обезвоживание смеси пресс-фильтрованием, формуют смесь, подсушивают, причем грануляцию производят дроблением, а обжиг осуществляют при температуре 800-900°С.1. A method of obtaining a granular filter material, comprising introducing powdered dolomite into a clay suspension, followed by granulation and firing, characterized in that dolomite is introduced in an amount of 10-20 wt.% By weight of clay, after which the mixture is mechanically dehydrated by pressure filtration, formed the mixture is dried, and granulation is carried out by crushing, and firing is carried out at a temperature of 800-900 ° C. 2. Способ по п.1, отличающийся тем, что сформованную смесь подсушивают при температуре 200-400°С.2. The method according to claim 1, characterized in that the molded mixture is dried at a temperature of 200-400 ° C.
RU2002104138A 2002-02-14 2002-02-14 Method of production of granulated filtering material RU2216385C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002104138A RU2216385C2 (en) 2002-02-14 2002-02-14 Method of production of granulated filtering material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002104138A RU2216385C2 (en) 2002-02-14 2002-02-14 Method of production of granulated filtering material

Publications (2)

Publication Number Publication Date
RU2002104138A true RU2002104138A (en) 2003-08-27
RU2216385C2 RU2216385C2 (en) 2003-11-20

Family

ID=32027423

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002104138A RU2216385C2 (en) 2002-02-14 2002-02-14 Method of production of granulated filtering material

Country Status (1)

Country Link
RU (1) RU2216385C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2537014C1 (en) * 2013-06-18 2014-12-27 Федеральное государственное бюджетное образовательное учреждение Высшего профессионального образования КАБАРДИНО-БАЛКАРСКИЙ ГОСУДАРСТВЕННЫЙ АГРАРНЫЙ УНИВЕРСИТЕТ ИМЕНИ В.М. КОКОВА Method of water treatment for irrigating crops
CN111019661A (en) * 2019-11-22 2020-04-17 广西师范大学 Preparation method and application of silicon-based soil heavy metal passivator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1243808A1 (en) * 1984-05-08 1986-07-15 Ленинградский Ордена Ленина Институт Инженеров Железнодорожного Транспорта Им.Акад.В.Н.Образцова Method of obtaining granulated filtering material
SU1243807A1 (en) * 1984-05-08 1988-09-07 Ленинградский институт инженеров железнодорожного транспорта им.акад.В.Н.Образцова Method of producing granulated filtering material
DE4011254C1 (en) * 1990-04-05 1991-06-20 Effem Gmbh, 2810 Verden, De
RU2077380C1 (en) * 1994-04-19 1997-04-20 Евгений Георгиевич Петров Method of production of granulated filter medium

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