国家/地区 美国（2）
IPC部 B（3）
IPC大类 B01（3）
IPC小类 B01D（3）
IPC B01D071/02（2） D21C011/00（2）
发明人
公开年 2020（2）
申请年 2020（3）
专利权人

Preparing long-lasting anti-odor gray board paper comprises e.g. preparing stock, and papermaking, adding composite anti-odor slurry to lining layer or core layer, adding surface layer and bottom layer with natural bamboo pulp.

XU W, CHEN H, FAN X, CHEN M, TONG H, XIA Q, XIA Y, ZHANG S

Method for processing black liquor, involves flowing black liquor comprising lignin through filtering membrane that has substrate and stacked graphene oxide layers and removing portion of lignin from black liquor though filtering membrane.

RASHIDI F, NAIR S, KEVLICH N, SHOFNER M, SINQUEFIELD S, WANG Z

Filtration apparatus used for processing black liquor, consists of support substrate, and graphene oxide membrane comprising graphene oxide sheets and having preset lactose rejection rate with preset lactose solution.

MACLEOD M, FRAYNE S, MACDONALD B I, ORTIZ R L, KELLER B, ORTIZ RIVERA L