国家/地区 中国（3）
IPC部 C（3）
IPC大类 C01（3）
IPC小类 C01D（3）
IPC
发明人
公开年
申请年
专利权人

Resource utilizing of waste salt in preparing graphene oxide comprises e.g. using water for dissolving waste salt, adding ammonium bicarbonate to salt-containing solution for neutralizing, and detecting end point of sedimentation reaction.

QI L, GUO N, DING Z, QU Y

Graphene waste sulfuric acid recycling system comprises e.g. reaction kettle, the reaction kettle comprises solid inlet, liquid outlet and gas outlet, the press filter and liquid outlet of the reaction kettle connected with the filter press.

LI M, YUAN W, ZHOU J, ZHANG K, FAN W

Recycling waste acid resources useful for preparing graphene oxide, comprises e.g. mixing concentrated sulfuric acid, concentrated phosphoric acid, hydrogen peroxide, concentrated hydrochloric acid, heating, distilling and crystallizing.

YANG X, ZENG Y, LU N, YANG Z