PCS Gains Organic Certification

Payson, Arizona – Pulse Combustion Systems (PCS) is pleased to announce that it has gained Organic Certification after an inspection from Oregon Tilth. “We are pleased to add another quality marker to our operations, and we look forward to doing more Organic-Certified projects for our toll-drying customers,” says James Rehkopf, President. “We also have a Kosher Certification, and we are planning cGMP for this fall,” he continued.

For further information about these quality measures, please contact PCS executives, as follows:

Jim Rehkopf, President: jrehkopf@pulsedry.com (415) 457-6500
Marius Grobler, Chief Engineer: mgrobler@pulsedry.com (928) 978-1302

Technical Paper Authored by Drying Expert with Assistance from James Rehkopf is Published

Payson, Arizona – Pulse Combustion Systems (PCS) is pleased to announce that a Technical Paper has been published in Food and Bioprocess Technology, an International Journal. The paper is entitled “Pulse Combustion Spray Drying of Egg White: Energy Efficiency and Product Quality” and can be accessed here.

The principal author of the paper is Dr. Zhonghua Wu of the College of Mechanical Engineering, Tianjin University of Science and Technology, 1038 Dagulan road, Hexi District, Tianjin, 300222, P.R. China. PCS’s President, James Rehkopf, provided pulse-drying technical and operating information, and assisted in the drafting of the article.

“We are very pleased to see the publication of this paper in a respected journal,” said James Rehkopf. “Even more satisfying are the results of the study, which show nearly zero degradation of sensitive egg white proteins when dried in our pulse combustion spray dryer. This is in marked contrast to the damage to egg white proteins in conventional spray dryers. We appreciate Dr. Wu’s recognition of this major advantage of pulse combustion drying.”

A downloadable copy of the paper can be found on our website (HERE).

For questions and more information, please contact Jim Rehkopf at 415 726 3536 or jrehkopf@pulsedry.com.

Pulse Combustion Systems Introduces Prilling Capability

Payson, Arizona – Pulse Combustion Systems (PCS) announced today that it has built and successfully demonstrated “prilling” operations by making minor changes to its standard pulse combustion spray dryer. The new system uses all of the existing “spray dryer” elements, and adds some special equipment for feed preparation and transportation.

“A very innovative high-tech manufacturer challenged us to develop “Single Unit” Pulse Drying and Pulse Prilling for them, because they have needs for both a spray dryer and a prilling tower, and they didn’t want to have to purchase two separate machines when 90% of the equipment is the same in both processes,” said James Rehkopf, President of PCS. “None of our competitors were willing to offer a combined unit, but we said, ‘Why not?’ Our engineers had everything ready to go in about three weeks, and when we pushed the start button, magic happened – instead of making dry powders, we were making beautiful prills – instantly! We also were able to control the particle size of the prills, again with the push of a button.”

“The key to our quick success in prilling is our gas-dynamic atomizer,” said David Mirko, VP Engineering of PCS. “The atomizer is highly flexible and controllable, and we were able to easily make a large range of particle sizes – much larger than our customer had previously seen.”

The Company is now offering units for sale for Pulse Drying, Pulse Prilling, or a Combined Drying and Prilling system. It also offers Contract Drying and Contract Prilling at its Payson, AZ plant.

For more information, contact James Rehkopf at jrehkopf@pulsedry.com or 415 726 3536.

PCS Leaders to Attend the Powder Show in Chicago

Payson, Arizona – Pulse Combustion Systems (PCS) announced today that James Rehkopf, President and David Mirko, Vice President, Process Engineering, will be attending the Powder Show in Chicago, Illinois May 6-7. They will be available to meet with any parties interested in PCS’s technology or services. You can contact the PCS executives by email or cell at:

James Rehkopf jrehkopf@pulsedry.com (415) 726-3536
David Mirko dmirko@pulsedry.com (928) 970-1951

Pulse Combustion Systems Purchases Homogenizer; Adds to Emulsion-Drying Capability

Payson, Arizona – Pulse Combustion Systems (PCS) announced today that it has purchased a homogenizer for use in preparing emulsions and other products containing fats (such as whole milk) for pulse drying. The homogenizer’s output will match the input of the company’s Pilot Dryer.

“We are excited about adding this equipment to our inventory,” says David A. Mirko, VP of Process Development. “Our pulse dryer has always done a great job on emulsions and other products containing lipids, and now we will be able to turn out even better powders. Also, pulse drying tends to preserve lipids to a far greater extent than conventional spray drying, and we look forward to demonstrating some very high quality products.”

PCS welcomes inquiries about lipid-containing products, and looks forward to conducting Pilot Trials for customers.

Pulse Combustion Systems Develops High-Temperature Dryer

Payson, Arizona – Pulse Combustion Systems (PCS) announced today that it has developed and implemented a new high-temperature drying system in response to requests from industry. Certain processes require elevated temperatures in the drying chamber while spray drying, and these are very hard to obtain in conventional spray drying.

“While difficult for conventional spray dryer manufacturers, the high-temperature environment is easy for us,” said James A. Rehkopf, President of PCS. “We can produce combustion air at up to 2,000 degrees F, at very high volume, and so we can heat up a drying chamber pretty quickly. The first two customer trials were unqualified successes, and we invite many more.”

Pulse Combustion Systems Adds Fluid Bed Capability to Pilot Dryer

Payson, Arizona – Pulse Combustion Systems (PCS) announced today that it has developed, fabricated, and implemented a new Fluid Bed section for use in its Pilot Dryer. The Fluid Bed is mounted at the bottom center of the spray dry chamber, and is fitted with an under-bed air inlet system that is variable in pressure, and that can be used to either heat or cool the powder produced in the upper section of the drying chamber.

“We are very pleased to add this capability, which significantly expands the ‘operating envelope’ of our dryer,” says David A. Mirko, VP of Process Development at PCS. “Our pulse dryer’s residence time and drying time are quite short, and some products simply need more time,” he continued. “The Fluid Bed gives us the ability to do this, and also to introduce other elements above the bed, such as flow agents or agglomeration aids. The first week of customer trials were very encouraging, and we are looking for additional opportunities.”

Pulse Combustion Systems Gains Patent for Pulse-Drying of Viral Vaccines

Payson, Arizona – Pulse Combustion Systems (PCS) today announced that it has obtained a patent concerning the pulse-drying of viral vaccines. The patent was issued on August 27, 2013 under Patent No. 8,517,723.

The patent was initiated after PCS performed some drying trials on a live, beneficial virus that had been developed by a company in that line of business to combat certain plant diseases. The company was shipping the live viruses in liquid form and was incurring large shipping costs. The company had tried conventional spray drying, which killed all of the viruses. After pulse drying, the company’s assay of the pulse-dried powder revealed that essentially all of the viruses were intact.

This result was so unique that a patent was granted.

“We knew that Pulse Drying was very gentle on delicate products, but even we were surprised that the viruses were preserved in our dryer, especially after we learned of the failure of conventional spray drying,” said James A. Rehkopf, PCS President. “We have consistently observed that our dryer induces very little degradation to the powder, and this patent is the best example of this to date.”

Pulse Combustion Systems Develops Powders for Hydraulic Fracturing

Payson, Arizona – Pulse Combustion Systems (PCS) announced today that it has been working with industrial customers to develop the drying parameters for several components of Hydraulic Fracturing Fluid that need to be delivered in a dry form to the oil and natural gas fields. These additives are designed to enhance the output and longevity of each well by performing specific functions in the well.

“We are very pleased to be working in this high-growth area,” said Jim Rehkopf, PCS President. “Our pulse combustion dryer is perfect for this application, because it is efficient, highly resistant to abrasion and corrosion, and able to handle a wide variety of liquid inputs, including those with solid particles – called ‘proppants.’ We offer toll-drying services to customers who desire it, and we sell dryers to those wishing to purchase. Our dryers are quick to build and install, require almost no maintenance, and are competitively priced.”

Pulse Combustion Systems Receives Order For New Indirect Pulse Dryer

Payson, Arizona – Pulse Combustion Systems (PCS) announced today that it has entered into an agreement to supply a specialized pulse dryer to Orbite Aluminae, Inc. of Montreal, Canada (Orbite). Orbite plans to use the Pulse Dryer to dry a slurry of High Purity Alumina in a new plant to be located in Cap-Chat, Quebec, Canada.

“We are very pleased with this development on many levels,” says PCS President James A. Rehkopf. “Orbite is a great customer, and they are also very innovative and high-tech. They were the prime motivator for our development of the Indirectly-Heated Pulse Dryer, because they wanted absolutely no contamination in their powder. We are especially gratified that our prototype dryer worked very well, enabling us to go into immediate production of their dryer.”

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