[go: up one dir, main page]

KR900004628A - Process for preparing aragonite crystalline calcium carbonate - Google Patents

Process for preparing aragonite crystalline calcium carbonate Download PDF

Info

Publication number
KR900004628A
KR900004628A KR1019880012014A KR880012014A KR900004628A KR 900004628 A KR900004628 A KR 900004628A KR 1019880012014 A KR1019880012014 A KR 1019880012014A KR 880012014 A KR880012014 A KR 880012014A KR 900004628 A KR900004628 A KR 900004628A
Authority
KR
South Korea
Prior art keywords
calcium carbonate
crystalline calcium
aragonite
aragonite crystalline
hpo
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.)
Granted
Application number
KR1019880012014A
Other languages
Korean (ko)
Other versions
KR950001787B1 (en
Inventor
요오지 시바다
도시오 후지하라
Original Assignee
마루오 기헤에
마루오 칼슘 가부시기가이샤
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 마루오 기헤에, 마루오 칼슘 가부시기가이샤 filed Critical 마루오 기헤에
Priority to KR1019880012014A priority Critical patent/KR950001787B1/en
Publication of KR900004628A publication Critical patent/KR900004628A/en
Application granted granted Critical
Publication of KR950001787B1 publication Critical patent/KR950001787B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)

Abstract

내용 없음.No content.

Description

아라고나이트결정형 탄산칼슘의 제조방법Process for preparing aragonite crystalline calcium carbonate

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (2)

Ca(OH)2의 물 슬러리에 CO2가스를 취입하여 탄산칼슘을 생성시킴에 있어서 Ca(OH)2물 슬러리 농도를 5 내지 40중량%, 온도를 5 내지 65℃로 조정하고, Ca(OH)2의 물 슬러리중에 가용성 인산화합물을 PO4 -3로 하여 Ca(OH)2에 대하여 0.1 내지 20중량% 첨가하여 CO2가스로 탄산화 시킴으로써 아라고나이트 결정형 탄산칼슘을 생성시키는 것을 특징으로 하는 아라고나이트결정형 탄산칼슘의 제조방법.Ca (OH) blowing CO 2 gas into the aqueous slurry of 2 is adjusted by Ca (OH) 2 water slurry concentration of 5 to 40% by weight, 5 to 65 ℃ the temperature in Sikkim generate calcium carbonate and Ca (OH ) by the soluble phosphoric acid compound in an aqueous slurry of 2 to PO 4 -3 Ca (OH) aragonite by adding 0.1 to 20% by weight relative to 2, characterized in that to produce the aragonite crystal form calcium carbonate by carbonation with CO 2 gas Method for producing crystalline calcium carbonate. 제1항에 있어서, 가용성 인산 화합물이 H3PO4, K3PO4, KH2PO4, K2HPO4, Na2HPO4·12H2O, (NH4)3PO4·3H2O중에서 선택되는 적어도 일종인 것을 특징으로 하는 아라고나이트 결정형 탄산칼슘의 제조방법.The method of claim 1, wherein the soluble phosphoric acid compound is H 3 PO 4 , K 3 PO 4 , KH 2 PO 4 , K 2 HPO 4 , Na 2 HPO 4 · 12H 2 O, (NH 4 ) 3 PO 4 · 3H 2 O A method for producing aragonite crystalline calcium carbonate, characterized in that at least one selected from. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880012014A 1988-09-16 1988-09-16 Preparation method of aragonite crystalline calcium carbonate Expired - Fee Related KR950001787B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880012014A KR950001787B1 (en) 1988-09-16 1988-09-16 Preparation method of aragonite crystalline calcium carbonate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880012014A KR950001787B1 (en) 1988-09-16 1988-09-16 Preparation method of aragonite crystalline calcium carbonate

Publications (2)

Publication Number Publication Date
KR900004628A true KR900004628A (en) 1990-04-12
KR950001787B1 KR950001787B1 (en) 1995-03-02

Family

ID=19277810

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880012014A Expired - Fee Related KR950001787B1 (en) 1988-09-16 1988-09-16 Preparation method of aragonite crystalline calcium carbonate

Country Status (1)

Country Link
KR (1) KR950001787B1 (en)

Also Published As

Publication number Publication date
KR950001787B1 (en) 1995-03-02

Similar Documents

Publication Publication Date Title
KR910000531A (en) Preparation of Aragonite Crystalline Calcium Carbonate with Needle Shape
KR850003355A (en) Platelet-type calcium carbonate powder and its manufacturing method
KR860000291A (en) Preparation of Crystalline Calcium Pseudomonate
KR890700590A (en) How to separate folic acid
BR9105823A (en) PROCESS TO PREPARE CALCIUM CARBONATE
KR840007633A (en) How to control and determine the composition of aqueous solutions of ammonia (NH₂) and carbon dioxide (CO₂)
Barta et al. Growth of CaCO3 and CaSO4· 2H2O crystals in gels
GB1334185A (en) Production of gypsum from combustion exhaust gas
BR9808558A (en) Processes for producing crystalline tetrahydrate calcium hexaborate and for dehydration of the crystalline tetrahydrate calcium hexaborate composition, crystalline tetrahydrate calcium hexaborate, and, amorphous calcium hexaborate composition.
NO870985L (en) PROCESS FOR THE MANUFACTURE OF FERTILIZER CONTAINING AMMONIUM NITRATE AND CALCIUM CARBONATE.
KR900004628A (en) Process for preparing aragonite crystalline calcium carbonate
GB1459379A (en) Process for producing a-type calcium sulphate hemihydrate
GB1376516A (en) Method for producing calcium sulphite
KR850002245A (en) Method for preparing calciumite calcium carbonate
KR890015960A (en) Process for preparing aragonite crystalline calcium carbonate
KR900004629A (en) Preparation of Aragonite Crystalline Calcium Carbonate
JPS5360879A (en) Fixing method for calcium component contained in sea water
JPS5388694A (en) Calcium sulfite oxidizing method
GB1015835A (en) A method of producing a highly porous, light and flowable sodium perborate
JPS57123822A (en) Preparation of calcite-type calcium carbonate crystal
BG38790A3 (en) METHOD OF OBTAINING PAPER FILLERS
KR870009991A (en) Method for preparing N- (sulfonylmethyl) formamide
GB1531459A (en) Preparation of solutions of a basic aluminium compound and their use in water treatment
JPS565318A (en) Preparing hard type dense ash
JPS6428212A (en) Production of chlorine apatite

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

R17-X000 Change to representative recorded

St.27 status event code: A-3-3-R10-R17-oth-X000

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

A201 Request for examination
PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

St.27 status event code: A-2-2-Q10-Q13-nap-PG1605

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 5

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 8

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 9

FPAY Annual fee payment

Payment date: 20040223

Year of fee payment: 10

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 10

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20050303

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20050303

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000