JPS57123295A - Additive for granulation and deashing - Google Patents

Additive for granulation and deashing

Info

Publication number
JPS57123295A
JPS57123295A JP887581A JP887581A JPS57123295A JP S57123295 A JPS57123295 A JP S57123295A JP 887581 A JP887581 A JP 887581A JP 887581 A JP887581 A JP 887581A JP S57123295 A JPS57123295 A JP S57123295A
Authority
JP
Japan
Prior art keywords
oil
obtd
granule
conventional methods
granulation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP887581A
Other languages
Japanese (ja)
Inventor
Yoshihiro Iwabuchi
Toshiaki Murata
Korehisa Miwa
Jun Taguchi
Toshiro Fukuda
Masao Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Chemical Industries Ltd
Zaidan Hojin Sekitan Gijutsu Kenkyusho
Original Assignee
Sanyo Chemical Industries Ltd
Zaidan Hojin Sekitan Gijutsu Kenkyusho
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sanyo Chemical Industries Ltd, Zaidan Hojin Sekitan Gijutsu Kenkyusho filed Critical Sanyo Chemical Industries Ltd
Priority to JP887581A priority Critical patent/JPS57123295A/en
Publication of JPS57123295A publication Critical patent/JPS57123295A/en
Pending legal-status Critical Current

Links

Landscapes

  • Glanulating (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

PURPOSE: To provide an additive which make it possible to reduce the amount of oil in the granulation of pulverized coal in an aq. slurry with oil, and gives larger granule than that obtd. by conventional methods even when oil is used in the same amount as that required by the conventional methods, consisting of an oil-soluble high- molecular compd. and, if necessary, a surfactant and an inorg. electrolyte.
CONSTITUTION: An additive for granulation and deashing, which is added to an aq. slurry in the wet-process granulation of pulverized coal with oil, consists of an oil-soluble high-molecular compd. such a polymn. type resin as an ethylene-vinyl acetate copolymer, an ethylene-(meth)acrylate copolymer, synthetic butadiene rubber or PVC, or such a condensation type resin as a polymerized fatty acid polyamide and, if necessary, a surfactant such as a nonionic surfactant, an anionic surfactant or a mixture thereof (an alkylolamide nonionic surfactant being particularly preferred) and/or an inorg. electrolyte such as NaH2PO4 or Na2SO4. Even when the amount of oil to be used is considerably reduced, granule having the substantially same particle size as that of granule obtd. by conventional methods can be obtd. When oil is used in the same amount as that of oil required for conventional methods, granule having a particle size larger than that of granule obtd. by conventional methods can be obtd.
COPYRIGHT: (C)1982,JPO&Japio
JP887581A 1981-01-22 1981-01-22 Additive for granulation and deashing Pending JPS57123295A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP887581A JPS57123295A (en) 1981-01-22 1981-01-22 Additive for granulation and deashing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP887581A JPS57123295A (en) 1981-01-22 1981-01-22 Additive for granulation and deashing

Publications (1)

Publication Number Publication Date
JPS57123295A true JPS57123295A (en) 1982-07-31

Family

ID=11704850

Family Applications (1)

Application Number Title Priority Date Filing Date
JP887581A Pending JPS57123295A (en) 1981-01-22 1981-01-22 Additive for granulation and deashing

Country Status (1)

Country Link
JP (1) JPS57123295A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107603684A (en) * 2017-11-02 2018-01-19 兖矿集团有限公司 A kind of deep removal system and method for minerals in coal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107603684A (en) * 2017-11-02 2018-01-19 兖矿集团有限公司 A kind of deep removal system and method for minerals in coal

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