You need JavaScript to view this

Preparation of pure phenols from tars

Abstract

A process is disclosed for the preparation of pure phenols from brown coal tar, shale tar, or primary tar, characterized in that the raw oil obtained from the tar is carefully fractionated, in a suitable way without or with a slight pressure decrease, or before the fractionation the raw oil is heated to free the prepared phenolate solution from impurities after successful oxidation by passing in steam at a temperature between 100 and 120/sup 0/C.
Authors:
Publication Date:
Feb 07, 1933
Product Type:
Patent
Report Number:
DE 606779
Reference Number:
EDB-78-119213
Subject:
01 COAL, LIGNITE, AND PEAT; 04 OIL SHALES AND TAR SANDS; COAL TAR; FRACTIONATION; PHENOLS; PRODUCTION; SHALE TAR; CHEMICAL PREPARATION; MEDIUM TEMPERATURE; PURIFICATION; AROMATICS; HYDROXY COMPOUNDS; ORGANIC COMPOUNDS; OTHER ORGANIC COMPOUNDS; SEPARATION PROCESSES; SYNTHESIS; TAR; 010500* - Coal, Lignite, & Peat- Products & By-Products; 040600 - Oil Shales & Tar Sands- Products & By-Products
OSTI ID:
6665459
Country of Origin:
Germany
Language:
English
Submitting Site:
DE
Size:
Pages: v
Announcement Date:
May 13, 2001

Citation Formats

Meyer, J. Preparation of pure phenols from tars. Germany: N. p., 1933. Web.
Meyer, J. Preparation of pure phenols from tars. Germany.
Meyer, J. 1933. "Preparation of pure phenols from tars." Germany.
@misc{etde_6665459,
title = {Preparation of pure phenols from tars}
author = {Meyer, J}
abstractNote = {A process is disclosed for the preparation of pure phenols from brown coal tar, shale tar, or primary tar, characterized in that the raw oil obtained from the tar is carefully fractionated, in a suitable way without or with a slight pressure decrease, or before the fractionation the raw oil is heated to free the prepared phenolate solution from impurities after successful oxidation by passing in steam at a temperature between 100 and 120/sup 0/C.}
place = {Germany}
year = {1933}
month = {Feb}
}