I have these errors in Openlp! Traceback (most recent call last): File "/usr/share/openlp/openlp/plugins/songs/songsplugin.py", line 212, in on_song_export_item_clicked self.media_item.on_export_click() File "/usr/share/openlp/openlp/plugins/songs/lib/mediaitem.py", line 306, in on_export_click self.export_wizard.exec() File "/usr/share/openlp/openlp/core/ui/wizard.py", line 198, in exec self.set_defaults() File "/usr/share/openlp/openlp/plugins/songs/forms/songexportform.py", line 216, in set_defaults songs.sort(key=lambda song: song.sort_key) File "/usr/share/openlp/openlp/plugins/songs/forms/songexportform.py", line 216, in <lambda> songs.sort(key=lambda song: song.sort_key) AttributeError: 'Song' object has no attribute 'sort_key'
|Polyacrylamide flocculant with high stability especially for industrial waste water|
1.Product feature and application of the Polyacrylamide with salt resistance
Flocculant for mineral separation is the chemical used in the solid-liquid separation procedure of chemicals,not only can be used in the separation of minerals and ores,but also can be used as a flocculant in waste water treatment,mining and sealing pipes.
Iron,copper aluminum,nickel ,gold,lead-zinc,phosphate,coal mine, titanium, titanium dioxide,tungsten ore,etc.
2.Product parameter of the polyacrylamide flocculant for ore dressing wastewater
M.W.Solid contentInsoluble matter inDegree of ionizationResidual monomer
APAM19-29 mill ion≥89%≤0.2%20-30≤0.05%
3.Package for polyacrylamide flocculant for Iron and steel works wastewater
25KG kraft paper bags,or based on the clients’ demands.
It is toxic chemicals, uneatable and untouchable, if contact,washing it with large amount of water.For operator or transporter, do not eat anything(including cigarettes and tea) before you wash your hands.It is hazardous chemicals.Please do comply the national regulations about hazardous chemical storage and transportation.anionic PAM manufacturers