WRIGHT, H. DUDLEY
Air containing a pollutant, such as hydrogen sulfide, sulfur dioxide or an organic compound such as a mercaptan, an aldehyde, an amine, an alcohol, and the like, is contacted with a liquid impermeable module or cell having as a surface thereof a liqui...
BETZ LABORATORIES, INC.
The present invention relates to certain processes and compositions useful for inhibiting the growth of slime in water and, in particular, water used for industrial purposes; for example, in the manufacture of pulp paper, in the manufacture of paper, ...
A process of treating wool-scouring liquor and wool-scouring liquor centrifuge effluent, both containing wool-grease emulsion, by the utilization of membranes to concentrate the liquor before centrifuging, or to eliminate the centrifuging step by conc...
An electrolytic cell comprising an outer conduit electrode structure and an inner electrode structure comprising a series of sheet-like elements extending longitudinally within the outer electrode structure. The cell is adapted to have a fluid electro...
SOCIETA ITALIANA RESINE S.I.R. S.P.A.
Phenol is extracted from waste waters by reacting formaldehyde, urea and phenol containing waste waters at a basic pH and high ratios of formaldehyde to urea, keeping the product at relatively acidic pH-values for short reaction times, reacting the ob...
LOWI, JR., ALVIN WRIGHT, CLIFFORD C.
A liquid separation purification system applicable to extracting purified liquids from or concentrating solids in a liquid feed material. The system is particularly useful for extracting potable water from sea water. Cool feed liquid is pumped through...
BP CHEM LTD,GB
Mercury is recovered from aqueous solutions containing elemental mercury in finely divided or colloidal form or in the form of a soluble inorganic compound by passing a stream of inert gas eg., air or nitrogen through the aqueous solution in the prese...
A product of the process for preparing an acrylic composition which is formed from about 80 to 90 parts by weight acrylic acid, about 7 to 15 parts by weight of 2-mercaptoethanol, and about 1.5 to 5 parts by weight ammonium persulfate. The produced ma...
AMERICAN CYANAMID COMPANY
Bridged halotriazine compounds of the formula WHERE A represents a group selected from vinylene, phenylene, biphenylene, stilbyl and ethynylenebis(p-phenylene) groups; Z represents a group selected from -O-, -S- or -N(H)-; n is an integer selected fr...
An apparatus for pumping and simultaneously separating the liquid and solid components from debris laden wastewater is disclosed which utilizes a screw pump to elevate the liquid and convey the liquid over a separation screen. The liquid component and...