国家/地区 中国（3）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01J（3）
IPC B01J035/02（3）
发明人 CHEN X（3）
公开年 2018（3）
申请年 2018（2） 
专利权人

Preparation of amorphous iron vanadate/bismuth vanadate/graphene composite photocatalyst for advanced treatment of photocatalytic reduction of chromium (VI) and/or chromium-containing wastewater, involves preparing bismuth nitrate solution.

HUANG Z, DAI X, CHEN X, YE J, HU Z

Preparing nitrogen-doped graphene material useful for removing tetracycline hydrochloride in water, comprises heating graphene oxide under ammonia-argon gas mixture atmosphere, and then treating.

FENG L, CHEN X, HUANG Y, LI X, PENG K, CHEN Y

Preparation of ozone oxidation catalyst for removing pollutants in wastewater, involves washing volcanic particles, immersing in metal salt solution, adding to graphene oxide sol, dripping hydrazine hydrate, heating, and reducing.

WANG C, CHEN X, JIANG L, LIU D, ZHANG Q, WANG J, HE X