RECYCLING SYSTEM AND METHOD FOR WASTE SULFURIC ACID SOLUTION CONTAINING HYDROGEN PEROXIDE

PROCESS FOR CONCENTRATING DILUTED SULFURIC ACID

Apparatus and method for concentrating corrosive liquids

INTEGRATED SULFUR RECOVERY AND HYDROGEN PRODUCTION PROCESS

CONCENTRATION OF SULFURIC ACID

METHOD OF CLEANING AN APPARATUS USED IN THE CONCENTRATION OF A MINERAL ACID

PROCESS FOR THE REMOVAL OF PARTICULATE MATTER FROM AN AQUEOUS STREAM

Method for preparing electronic grade sulfuric acid from waste sulfuric acid solution

A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQUIPMENT FOR USE IN THE PROCESS

Process for workup of mixed acid and wastewater from the nitration of aromatics and apparatus for performing the process

Reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid

A PROCESS FOR INCREASING THE CONCENTRATION OF SULFURIC ACID AND EQUIPMENT FOR USE IN THE PROCESS

Process for the production of sulfur trioxide

System for manufacturing high purity sulfuric acid

Process and plant for the production of liquid acid

Method and system for producing nitrobenzene

Method for manufacturing high purity sulfuric acid

Method for increasing the sulfuric acid concentration of a sulfuric acid solution

METHOD FOR CONCENTRATING DILUTE SULFURIC ACID AND AN APPARATUS FOR CONCENTRATING DILUTE SULFURIC ACID

PROCESS AND SYSTEM FOR PRODUCTION OF CONCENTRATED SULPHURIC ACID FROM OFF-GAS

Apparatus and method for osmotic membrane distillation

Low temperature process for regenerating spent sulfuric acid

Process for the coupled production of chlorline and isocyanates

Membrane and process for the recovery of acid

Apparatus and method for osmotic membrane distillation