CN109775368A
|
|
A kind of negative-pressure pneumatic transmission system in drying acetylene production
|
CN104291407A
|
|
Soft water deaeration method in VCM polymerization
|
CN103285796A
|
|
Closed-loop circulating and recycling method for polymerization tail gas in polyvinyl chloride production
|
CN103130369A
|
|
Method of reusing sodium hypochlorite waste water generated by acetylene lustration
|
CN103130294A
|
|
Method of extracting dissolved acetylene gas from sodium hypochlorite waste water in vacuum in acetylene manufacturing process
|
CN102358661A
|
|
Method for removing chemical oxygen demand (COD) in polyvinyl chloride wastewater
|
CN102372377A
|
|
Method for advanced treatment of mercury-containing wastewater
|
CN102381749A
|
|
Method for treating low-concentration mercury-containing wastewater
|
CN102303876A
|
|
Method for mixed burning of natural gas and calcium carbide furnace gas
|
CN102399373A
|
|
Method for recovering polyvinyl chloride (PVC) particles from PVC centrifuged waste water
|
CN102021603A
|
|
Chlorine zero-pressure control method applied to process for preparing alkali by utilizing zero-pole ionic membrane electrolytic cell
|
CN102286122B
|
|
Low-temperature water injection method for polymerization in polyvinyl chloride resin production
|