Basf Se Corporation

Other

Nathaniel Troy Greene

Thomas Daniel

Thomas Gieger

Kristine Hartnagel

Michelle Morano

Marcus Schroeder

Andrew K Jones

Michael Singleton

Katrina Westerhof

A process for producing superabsorbents, comprising polymerization of a monomer solution and thermal surface postcrosslinking, wherein the monomer solution comprises at least 0.75% by weight of a hydroxyphosphonic acid or salts thereof, calculated on the basis of the total amount of monomer used, and at least 0.09% by weight of aluminum cations, calculated on the basis of the total amount of polymer particles used, is added to the polymer particles before, during or after the thermal surface postcrosslinking.

Method for the production of superabsorbers

Modular systems for extracting hydrocarbons from subterranean volumes and associated methods are generally described. Methods for extracting hydrocarbons from a subterranean volume are also described. Some of the described methods comprise flowing a mixture comprising hydrocarbons and water from the subterranean volume to a plurality of fluidically connected separation units and at least partially separating the hydrocarbons from the water using the separation units to produce a first stream comprising higher purity water than the mixture. In certain cases, the method includes fluidically disconnecting at least one of the separation units from the remaining separation units while the separating step is being performed. Some methods include fluidically connecting an additional separation unit to the separation unit while the separating step is being performed.

Modular system for extracting hydrocarbons from subterranean volumes and associated methods

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Charlotte, NC, United States of America

Nathaniel Troy Greene