EurekaMag.com logo
+ Translate

Preparation of medicinal carbon from coal


, : Preparation of medicinal carbon from coal. Yakuzaigaku 45(2): 103-110

Medicinal carbons were prepared from two kinds of coal (Japan-Taiheyo and Indonesia-Bidoli) by means of the fluidized bed activation method. The crushed species, with particle sizes ranging from 0.5 to 1.0 mm were treated with 98% sulfuric acid at 150.degree. C for 3 to 5 hr, then activated at 850.degree. C under a saturated steam atmosphere, and finally refined by washing with 1.0 to 4.0 N hydrochloric acid or caustic soda. As a result, it was found that carbon from the Bidoli refined with 2.0 N or above hydrochloric acid or with 1.0 N or above caustic soda solution as well as carbon from the Taiheiyo washed with 2.0 N or above caustic soda solution has favorable quality to conform to the standard of pharmacopoeia of Japan.

(PDF 0-2 workdays service)

Accession: 006173451

Submit PDF Full Text: Here


Submit PDF Full Text

No spam - Every submission is manually reviewed

Due to poor quality, we do not accept files from Researchgate

Submitted PDF Full Texts will always be free for everyone
(We only charge for PDFs that we need to acquire)

Select a PDF file:
Close
Close

Related references

Sakuda, Y.; Ito, A.; Sasatsu, M.; Machida, Y., 2010: Preparation and evaluation of medicinal carbon oral films. Medicinal carbon (MC) films, which can be taken more easily than other dosage forms, were prepared using sodium carboxymethyl cellulose (CMC), hydroxypropylmethyl cellulose (HPMC) and alginic acid sodium (ALG) as film base materials. Brilliant blu...

Miyachi, M.; Onishi, H.; Yumoto, T.; Machida, Y., 2010: Preparation of medicinal carbon tablets by modified wet compression method. Although medicinal carbon (MC) is useful to treat intoxications caused by orally taken toxic chemicals or toxins, high dose of MC is a burden on patients and sticks to oral mucosa or throat. A tablet dosage form of MC is useful to solve such probl...

Yamamoto, K.; Ito, A.; Machida, Y., 2009: Preparation and evaluation of medicinal carbon tablets with different saccharides as binders. Medicinal carbon (MC) tablets were prepared with several saccharides to improve the formability and absorption ability of MC tablets made with maltitol (MT). The MC tablets were made by the wet granule compression method, in which maltitol, xylito...

Rubio, B.; Izquierdo, M.T.; Mayoral, M.C.; Bona, M.T.; Martínez-Tarazona, R.M., 2007: Preparation and characterization of carbon-enriched coal fly ash. Carbon-enriched fractions have been obtained from two coal fly ash (FA) samples. The FA came from two pulverized-coal fired power stations (Lada and Escucha, Spain) and were collected from baghouse filters. Sieving was used to obtain carbon-enrich...

Ito, A.; Onishi, H.; Yamamoto, K.; Machida, Y., 2006: Evaluation of binders in the preparation of medicinal carbon tablets by wet granule compression. Medicinal carbon (MC) tablets were prepared to obtain an oral dosage form that can be easily taken. The MC tablets were made by the wet granule compression method, in which hydroxypropyl cellulose (HPC), carboxymethyl cellulose sodium (CMC-Na) and...

Goodfield, M.; Kownacki, S.; Berth-Jones, J., 2004: Double-blind, randomised, multicentre, parallel group study comparing a 1% coal tar preparation (Exorex) with a 5% coal tar preparation (Alphosyl) in chronic plaque psoriasis. Exorex lotion is a novel formulation of prepared coal tar indicated for the treatment of psoriasis. To compare the efficacy and tolerability of 1% prepared coal tar lotion versus 5% coal tar extract in patients with mild to moderate plaque psorias...

Ishibashi K.; Yamada K.; Noda Y.; Higashide F., 1985: Preparation of medicinal carbon from acid treated tropical wood and wooden waste. Medicinal carbons were prepared from 'two species of Philippine wood and wooden waste matter (Ipil-ipil and Coir-dust) by means of the fluidized bed activation method. The crushed species were treated with concentrated sulfuric acid (98%) for...

Sendlein L.V.A., 1979: The impact of coal preparation on ground-water resources surrounding coal preparation facilities. Ground Water: , Pages 494. 1979.

Jun Zhang; Qiang Xie; Juan Liu; Mingshun Yang; Xing Yao, 2011: Role of NiNO32 in the preparation of a magnetic coal-based activated carbon. The role of Ni(NO3)2 in the preparation of a magnetic activated carbon is reported in this paper. Magnetic coal-based activated carbons (MCAC) were prepared from Taixi anthracite with low ash content in the presence of Ni(NO3)2. The MCAC materials...

Anonymous, 2007: Effects of H3PO4 and KOH on pyrolysis of bituminous coal in preparation of activated carbon