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Instructional

Ethanol Producer Introduction to Molecular Sieve Dehydration Units

By kolten@hengyeinc.com

08/01/2019 No Comments

Overview of Molecular Sieve for Ethanol Dehydration Units A quick look at what molecular sieve, why it’s used, and how to avoid/identify issues during operation.

Optimizing Dehydration Units (Vapor Phase)

By kolten@hengyeinc.com

07/19/2019 No Comments

Tips on Operations, Efficiency, and Capacity for Molecular Sieve Units Operating in Vapor Phase Dehydration An overview of optimization principles to help get the best performance out of dehydration units. A written article about Process Optimization is also available: How to Optimize Dehydration Unit

Starting Up A Bed After Change Out – Ethanol Dehydration Units

By Hengye Inc.

07/13/2018 No Comments

Start Up an Ethanol Dehydration Unit After a Change Out or for Initial Commissioning What to Know About Start Ups Before starting a ethanol dehydration unit, or ethanol bed, there are some common precautions that the team should be aware of. As normal, be cautious not to bump or lift

Lateral Top Off Schedule – Ethanol Dehydration Units

By Hengye Inc.

07/13/2018 No Comments

Lateral Design Top Off Schedule Sample for Ethanol Dehydration Units General Guide to Topping Off Laterals Below is a general schedule for topping off new bead installations in lateral designs* It is imperative to ensure lateral beds for ethanol dehydration units are topped off, meaning that beds are frequently filled

How to Dispose of Molecular Sieve

By Hengye Inc.

07/13/2018 2 Comments

How to Dispose of Molecular Sieve In the United States, molecular sieve can be disposed of in a licensed landfill. The material is normally analyzed to meet the regulations for proper chemical waste management. For safety information, Safety Data Sheets can be found online. No special precautions need to be

Loading – Ethanol Dehydration Units

By Hengye Inc.

07/13/2018 No Comments

Recommendations for Loading Ethanol Beds Packaging The best way to start the process of loading an ethanol dehydration unit is by knowing what material you will be using to load the bed, and ensure that you have right quantity and tools needed to load the material. EthaDry, a specialized Hengye

Unloading – Ethanol Dehydration Units

By Hengye Inc.

07/13/2018 No Comments

Preparing an Ethanol Dehydration Unit for Unloading Before unloading an ethanol dehydration unit, it’s important to know how you plan to dispose of the material first. In most cases, licensed landfills can accept the used sieve. In some cases, the molecular sieve is spread out in a nearby field.

How Not to Kill Sieve Beads

By kolten@hengyeinc.com

01/25/2018 No Comments

How Not to Kill Molecular Sieve Beads Featured in Ethanol Producer Magazine, July 2017 Molecular sieve is a critical part of the commercial ethanol production process , allowing ethanol to be dehydrated past ninety-five percent purity to nearly 99.9% pure ethanol, which is critical to allow the finished product to be suitable for

How to Optimize Dehydration Units

By Hengye Inc.

08/17/2017 No Comments

Molecular Sieve Process Optimization Featured in Biofuels International, May 2015 (volume 9, issue 3) Molecular sieve dehydration of ethanol uses a specialized molecular sieve to remove the water from the distillation/rectification of ethanol and water. Distillation can only remove water to approximately 5% of the total composition. Molecular sieve consists of tiny zeolite