Lystek International Corp.

Blackberry Corporation

Petrozyme Technologies, Inc.

Ajay Singh

Takashi Suzuki

Owen Patrick Ward

Owen P Ward

Gordon Peter Young

Anup Vijay

Andrew John Farnsworth

Anthony William Tod

Frederick Alan Mosher

Richard Charles Burbidge

Noushad Naqvi

Claude Jean-Frederic Arzelier

George Fouad Nakhla

Vaibhav Singh

Andrew Jerry Lugowski

Kate Billingsley

Michael Beswick

Frederick A Mosher

Andrew J Lugowski

Frederick Mosher

Claude Jen-Frédéric Arzelier

A method of processing enhanced biosolids from a wastewater treatment plant to produce an output mixture. The method includes providing one or more volumes of an input mixture that has an input mixture viscosity. The input mixture includes the enhanced biosolids, which have been subjected to shear forces and mixed in a mixing vessel. The enhanced biosolids are partially hydrolyzed biosolids with an input solids content between 4% and 16% by weight of the input mixture. The input mixture also includes sufficient process liquid to result in the output mixture having an output solids content between 3% and 13% by weight of the output mixture. The input mixture is stored in a storage vessel in which the input mixture is subjected to anaerobic conditions and hydrolysis over a predetermined tie period, to form the output mixture having an output mixture viscosity that is less than the input mixture viscosity.

Method of treatment of partially hydrolyzed biosolids

Methods and apparatus to audibly provide messages in a mobile device at described. An example method includes detecting a radio link failure condition, in response to detecting the radio link failure condition, sending a cell update message to a medium access control of the user equipment, detecting that a timer associated with a radio access bearer has expired before receiving confirmation from the medium access control of transmission of the cell update message to a network, and in response to detecting that the timer associated with the radio access bearer has expired and sending the cell update message to the medium access control, maintaining the radio access bearer associated with the timer.

Methods and apparatus for mobile device recovery following radio link failure

Paunch-sludge from an abattoir is mixed with the fatty DAF-float from an abattoir, and placed in a shearing vessel. The mixture of the two material thickens the medium in which the matted strands are contained, enabling shearing to be more effective; so much so that paunch-sludge can now be sheared to a homogeneous liquid. The technique can be used with other sludges and other fatty waste materials.

Shearing fibrous bio-sludge

When liquefying sludge, e.g as in U.S. Pat. No. 6,808,636, the combination of temperature, pH, and shearing, is synergistic. Described here is a system that provides for collating test sampling and full-scale data inputs, recording achieved results and the engineering parameters that achieved those particular results. The data is presented in e.g a table format, which assists design engineers to zero-in on the combinations of parameters that will likely give the desired results.

Sludge treatment system

Hydrophobic contaminants are removed from sludge that has been liquidized by violent shearing, by stirring a hydrophobic sorbent substance material into the sludge. After a period of time in which the contaminants are sorbed into the sorbent, the sorbent substance is separated from the sludge by gravity-settling, centrifuging, etc, where the sorbent is a liquid, or by filtration etc where the sorbent is a solid. Some sorbents have a melting point such that the sorbent can be liquid for good dispersal in heated sludge, and then can be solid when the sludge has cooled, whereby the sorbent can be removed e.g by filtration. Liquefaction by violent shearing causes the biosolids in the sludge to go into solution, which leaves the hydrophobic contaminants more available to be sorbed.

Contaminant-free fertilizer from liquidized sewage sludge

A system and method for addressing RLC unrecoverable errors experienced by User Equipment (UE) in a wireless network help the network to resolve the errors without shifting the UE into an Idle mode and dropping voice calls. A measurement event provides the buffer occupancy and identifies the affected radio bearer to the network. If the state of the bearer is not changed, the UE provides a Signaling Connection Release Indication message or a Radio Bearer Release Indication message to the network, the latter message identifying the radio bearer to be released without taking down the entire signaling connection for the domain.

Method and apparatus for radio resource control procedures

A network comprising a component configured to update an active set (AS) of cells based on a collective consideration of a plurality of cell measurement reports received during radio reconfiguration. Also included is a user equipment (UE), comprising a component configured such that the UE combines a plurality of cell measurement reports triggered briefly before and/or during radio reconfiguration, the combined measurement report used to update an AS of cells. Also included is a method comprising transmitting a radio bearer reconfiguration message, receiving a plurality of cell measurement reports, receiving a radio bearer reconfiguration complete message, and updating a plurality of AS cells using the combined cell measurement reports. Also included is a method comprising receiving a radio bearer reconfiguration message, obtaining a plurality of cell measurement reports, and sending a combined cell measurement report based on the cell measurement reports.

Methods and apparatus for handling measurement reports

Sewage sludge is dewatered to a cake-like state. The viscosity of the sludge is lowered by admixing a quantity of urea, urea-ammonium-nitrate, or other nitrogen-containing material, in with the dewatered sludge. The treatment also removes pathogens, and renders the product suitable for use as a fertilizer.

Lowering viscosity of biosolids

Sewage sludge that has been de-watered to 25% solids is subjected to a combination of shearing and heating that liquefies the sludge, and drops its viscosity to below 12,000 cP. The fact of liquefaction prepares the sludge such that subsequent drying can be done more cost-effectively than hitherto. After drying, the dried sludge can be incinerated.

Liquefying de-watered sludge preparatory to drying

Already-treated sludge is fed back into incoming sewage, and is effective to supply nutrients needed for the microbiological breakdown of the sludge. The feedback sludge has a solids content of 10% or more, and has been sheared and heated to drive its viscosity down to 10,000 cP or less. In sludge done that way, nutrients are preserved and presented to the sewage to be treated in highly liquidized and solubilized form, whereby the nutrients are very bio-available to the microbes in the sewage. Large improvements in the elimination of biomass can result.

Feedback system for enhancing elimination of biomass in sewage sludge

A method for removal of organic contaminants from solid particulate soil contaminated with the organic contaminants. The method comprises forming an aqueous slurry of a mixture of a hydrophobic adsorbent selected from foamed synthetic materials or natural materials which entrap gas, with the soil in the presence of water. The adsorbent has a density less than water. The slurry is mixed for a period of time, and a gravity separation of the adsorbent from the aqueous admixture thus obtained is effected.

Treatment of soil contaminated with hazardous residues

A process for breaking an oil-water emulsion. The process comprises contacting the oil-water emulsion with a bacterial culture produced by growth in a liquid medium containing hydrocarbons under non-sterile conditions. The oil-water emulsion and bacterial culture are contacted under conditions that minimise degradation of the oil. The oil-water emulsion is permitted to form an oil layer and a water layer, which are then separated. The process is particularly useful in the treatment of slop-oil emulsion in the petroleum industry.

Biological process for breaking oil-water emulsions

A method for removal of hydrocarbon materials from solid particulate soil contaminated with the hydrocarbon materials. The method comprises forming an aqueous slurry of a mixture of a hydrophobic adsorbent selected from foamed synthetic materials or natural materials which entrap gas, with the soil in the presence of water. The adsorbent has a density less than water. The slurry is mixed for a period of time, and a gravity separation of the adsorbent from the aqueous admixture thus obtained is effected.

Growing community of inventors

Milton, Canada

Ajay Singh