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We’re sorry we have to suspend operations January 1, 2021.

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While OilExTech, LLC is currently located in Oregon, USA, it can easily be moved practically anywhere world-wide! Phone number no longer works - any interested parties please email us at info@oilextech.com.


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Scientific Research

Scientific Research

Studies commissioned by OilExTech, LLC:

Hemp Oil Extractions Using the EssenEx® Extractors

Author: Dr. David Hackleman, Co-Founder and Managing Director
Link: Hemp Oil Extractions Using the EssenEx® Extractors

OSU Senior Project- Distillation of Juniper and Grand Fir

Authors: Mallari, Phillips, Schulze
Link: Oregon State University Senior Project

Oil Extraction from Orange Zest

Authors: Charles Warrington, Malak Abugreen, Seth Gwin
College of Chemical, Biological, and Environmental Engineering, Oregon State University
Link: Oregon State University study

Studies from journal articles and technical literature:

Microwave accelerated steam distillation of essential oil from lavender: A rapid, clean and environmentally friendly approach

Authors: F. Chemat, M.E. Lucchesi, J. Smadja, L. Fayretto, G. Colnaghi, F. Visinoni
Laboratoire de Chimie des Substances Naturelles et des Sciences des Aliments, Faculté des Sciences et Technologies, Université de La Réunion, B.P. 7151, 15 Avenue Rene Cassin, F-97715 Saint Denis Messag Cedex 9, La Réunion, France
MILESTONE srl, Via Fratebenefratelli, 1/5, I-24010 Sorisole, Bergamo, Italy
Link: http://www.sciencedirect.com/science/article/pii/S0003267005014595

Comparative essential oil analysis of Geranium sylvaticum extracted by hydrodistillation and microwave distillation

Authors: Nuran KAHR˙IMAN, Gonca TOSUN, Hasan GENC¸ , Nurettin YAYLI∗
Department of Chemistry, Faculty of Science, Karadeniz Technical University, 61080, Trabzon-TURKEY
Link: http://journals.tubitak.gov.tr/chem/issues/kim-10-34-6/kim-34-6-13-0910-289.pdf

Microwave Extraction of Peppermint Oil and Comparison to the Current Practice of Steam Extraction

Authors: Velasco, Carmen. Hackleman, David
Department of Chemical Engineering, Oregon State University, Corvallis OR
Link: http://ir.library.oregonstate.edu/xmlui/bitstream/handle/1957/6487/Carmen_Velasco_Thesis.pdf?sequence=1

Chemistry Around Us – (STEM/Home school science discovery ideas)

Author:  Dr. David Hackleman
Oregon State University and OilExTech, LLC 2015
Link: Chemistry Around Us – Abstract       Link: Chemistry Around Us

Cool-Down Time Study

Author/Experimenter:  Michael Silvey, CBEE Student, OSU 2014
Link: Cool-Down Time Study

Essential Oil Studies – Qualitative Results

Author:  Dr. David Hackleman
Link: Qualitative Results

Hop Oil Extraction

Author:  Cronin, Rodriguez – Westerfield
Link: Hop Oil Extraction via Alternative Solvent

Steam Capacity Study 2014

Author:  Dr. David Hackleman, October 14, 2014
Link: Calculation of the Steam Condensation Capacity

Extraction Data Entry Form

Author:  Dr. David Hackleman
Link: Example with Instructions      Link: Excel form to download

Generic Botanical Extraction Techniques

Author:  Dr. David Hackleman
Link: Generic Botanical Extraction Techniques

Ice cone freezing experiment #1

Author:  George Hackleman
Link: Ice Cone Freezing Experiment #1


Student Projects