GB324729A - Improved manufacture of activated carbon - Google Patents

Improved manufacture of activated carbon

Info

Publication number
GB324729A
GB324729A GB32548/28A GB3254828A GB324729A GB 324729 A GB324729 A GB 324729A GB 32548/28 A GB32548/28 A GB 32548/28A GB 3254828 A GB3254828 A GB 3254828A GB 324729 A GB324729 A GB 324729A
Authority
GB
United Kingdom
Prior art keywords
potassium
compounds
acid
mass
carboniferous
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.)
Expired
Application number
GB32548/28A
Original Assignee
Ernst Berl
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 Ernst Berl filed Critical Ernst Berl
Priority to GB32548/28A priority Critical patent/GB324729A/en
Publication of GB324729A publication Critical patent/GB324729A/en
Application status is Expired legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/30Active carbon
    • C01B32/312Preparation
    • C01B32/318Preparation characterised by the starting materials
    • C01B32/33Preparation characterised by the starting materials from distillation residues of coal or petroleum; from petroleum acid sludge

Abstract

324,729. Berl, E. Nov. 7, 1928. Addition to 283,968. Carbon.-The process for making activated carbon according to the parent Specification is modified by adding, to the mixture of acid tars and potassium compounds, carboniferous substances of another kind which can be activated, such as natural or carbonized wood, peat, brown coal, or other substance containing cellulose. Substances containing organically combined potassium, such as potassium phenolate, naphtholate or alizarin may also be added. To the acid tar may be added half its weight of water, in order to dissolve some of the sulphuric acid. The pitch like mass is separated and treated with potassium chloride and then with potassium carbonate, hydroxide or sulphide, before or after the addition of 5 to 100 per cent of the carboniferous substance and with or without a small proportion of water. The mass may be moulded into rings and is then dried and heated to 900‹- 1100‹C. The potassium compounds may be partly replaced by sodium compounds.
GB32548/28A 1928-11-07 1928-11-07 Improved manufacture of activated carbon Expired GB324729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB32548/28A GB324729A (en) 1928-11-07 1928-11-07 Improved manufacture of activated carbon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB32548/28A GB324729A (en) 1928-11-07 1928-11-07 Improved manufacture of activated carbon

Publications (1)

Publication Number Publication Date
GB324729A true GB324729A (en) 1930-02-06

Family

ID=10340290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32548/28A Expired GB324729A (en) 1928-11-07 1928-11-07 Improved manufacture of activated carbon

Country Status (1)

Country Link
GB (1) GB324729A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441125A (en) * 1942-09-23 1948-05-11 Walter G Berl Process of making activated carbon
US7842061B2 (en) 2002-05-17 2010-11-30 Spiration, Inc. Methods of achieving lung volume reduction with removable anchored devices
US7942931B2 (en) 2002-02-21 2011-05-17 Spiration, Inc. Device and method for intra-bronchial provision of a therapeutic agent

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441125A (en) * 1942-09-23 1948-05-11 Walter G Berl Process of making activated carbon
US7942931B2 (en) 2002-02-21 2011-05-17 Spiration, Inc. Device and method for intra-bronchial provision of a therapeutic agent
US7842061B2 (en) 2002-05-17 2010-11-30 Spiration, Inc. Methods of achieving lung volume reduction with removable anchored devices
US7875048B2 (en) 2002-05-17 2011-01-25 Spiration, Inc. One-way valve devices for anchored implantation in a lung

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