Acetylene
"Apparatus and Process for the Production of Acetylene," U. S. Patent #5,082,644, Jan. 1992 (also many non-U.S. patents).
Novel Feature - Two stage process provides high thermodynamic efficiency and high space-rate utilization resulting in a cleaner calcium hydroxide byproduct.
"Apparatus for Production of Acetylene," U. S. Patent #5,284,630, February 1994 (also many non-U.S. patents).
Novel Feature - Dual reactor concept consisting of a) ebullated bed and b) plug flow reactor results in improved efficiency of acetylene generation compared to conventional stirred-tank reactors.
"Integrated Apparatus and Process for High Recovery of Acetylene from the Reaction of Calcium Carbide with Water," U.S. Patent #5,955,040.
Novel Feature - Efficient process and specific control design leads to maximum theoretical recovery and dramatically improved operating profits.
"Process and Process Control for High Recovery of Acetylene from the Reaction of Calcium Carbide with Water," U.S. Patent allowed, 2001.
Novel Feature - Control features allow for maximum slurry concentration and maximum allowable temperature reducing losses through solubility of acetylene in water.
Environmental
"Process for the Remediation of Contaminated Soil," U. S. Patent #5,302,211, April 1994.
Novel Feature - Staged process provides for decontamination to regulatory levels with contact times on the order of two minutes resulting in low capital and operating costs.
"Apparatus and Process for the Remediation of Contaminated Soil," U. S. Patent #5,460,194, October 1995.
Novel Feature - Unique counter current multiple stage system results in decontamination to levels of ppb or less in short contact times with flexible process control and few moving parts.
Science Related
"Method for Determining Thermodynamic and Molecular Properties in the Liquid Phase," U. S. Patent #5,574,215, November 1996.
Novel Feature - Mathematical treatment calculates the state of aggregation of molecules in the liquid state including the distribution of number of molecules in an aggregate and the free energy of association. Numerous applications to quantifying colloidal, crystallization, micellar, and surfactants systems.
CIP of above, U.S. Patent #5,739,423, April 14, 1998.
Novel Feature - Extends applications to a broad range of processes including analysis, blending, design, engineering, optimization, processing and production.
Precipitated Calcium Carbonate (PCC)
"Process for Purifying Highly Impure Calcium Hydroxide and for Producing High Value Precipitated Calcium Carbonate and Other Calcium Products," U.S. #5,846,500, December 8, 1998.
Novel Feature - Use of fractional crystallization in a plug-flow reactor results in high purity and exceptional control of morphology, particle size, and particle size distribution.
CIP of above, U.S. patent # 5,997,833.
Novel Feature - Extends plug flow and control feature and applications to other calcium salts.
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