Method for mfg. low sulfur expansive graphite by oxydol sulfate
Title：
Method for mfg. low sulfur expansive graphite by oxydol sulfate
Application Number：
 200410090866
Application Date：
 2004/11/16
Announcement Date：
 2005/06/08
Pub. Date：
 2007/02/07
Publication Number：
 1623895
Announcement Number：
 1298623
Grant Date：
 2007-2-7
Granted Pub. Date：
 2007-2-7
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 C01B 31/04
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Kang Feiyu, Du Yongliang, Zheng Yongping
Key Words：
 mfg. method, low sulfur, expansive, graphite, oxydol sulfate
Abstract：
 A process for preparing expandable low-S graphite from sulfuric acid and H2O2 by chemical oxidizing method includes such steps as adding the solution of concentrated sulfuric acid to cooling-stirring reactor, slowly and quantitatively pumping H2O2 to it, adding flaky graphite, oxidizing reaction, water wash and baking.
Claim：
Priority：
PCT：
LegalStatus：

Recommend this patent:
1 2 3 4 5
Average ( 0 votes):
                                                                          Recommended Patents>>

Relevancy information



Other Patents of Same Inventor

Method for producing graphite base composite material for electromagnetic shield
Active carbon pore structure controlling method
Lithium ion cell anode material and its preparing method
Preparation of oil pollution adsorbent and its recovery and regeneration method
A high-energy super capacitor capable of preventing electrochemical corrosion
Flexible graphic double polar plate and its preparation method
Method for preparing membrane electrode of direct methanol fuel cell
Winding type super capacitor and fabrication method
Method for preparing bipolar plate of fuel cell by using thermoplastic resin as adhesive
Lithium ion cell composite anode material and preparing process thereof
Method of manufacturing active carbon for waste water treatment using waste tyre
Original position method for synthesizing magnetic alloy nano thread filled carbon nano-tube
Carbon nano tube wave absorbtion mateirla of surface carried with magnetic alloy particle and preparation method thereof
Method of in-situ filling symbiotic iron nanometer wire on thin wall nanometer pipe
Carbonaceous lithium ion battery negative electrode material with nuclear shell structure and producing method thereof



News & Events More>>

Last Update  
2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
2008-3-31
  Selected patents owned by Tsinghua University filed in 2006 and 2007 are load.







Copyright 2008-2015 All Rights Reserved Patent License of China.      Designed by Easygo