Category Archives: Hydrogen Generating Plants

Angstrom Advanced Hydrogen Generating Plant by Ammonia Decomposition

Angstrom Advanced Hydrogen Generating Plant by Ammonia Decomposition

For more information please call Angstrom Advanced at: 781.519.4765

Angstrom Advanced Inc. designs, manufactures and supplies variety of scientific instruments and Hydrogen & Nitrogen plants for academic and industrial fields

www.angstromadvancedinc.com

Request an Estimate

Introduction:
Angstrom Advanced Hydrogen Generating Plant by Ammonia Decomposition offers a variety of benefits. The system is low cost, has a long service life, simple operation, compact structure, small coverage and simple installation. The system vaporizes liquid ammonia, and heats it with a catalyst until decomposition occurs, creating a mixture of gas consisting of 75% hydrogen and 25% nitrogen. Based on the principle that the molecular sieve adsorbs ammonia and water at different temperatures, high purity gas is produced by heat regenerating through the mixture working at normal temperature. Angstrom Advanced services for hydrogen plant projects typically include conceptual design, detailed engineering, procurement, fabrication, construction, start-up and operational training.
Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing.
Specifications
Hydrogen Production
5-500NM3/H
Impurity Oxygen
≤2ppm
Residual Ammonia
≤3ppm
Dew Point
≤-65°C
Dew Point
0.05-0.2Mpa

Angstrom Advanced Hydrogen Generating Plant by Methanol Decomposition

Methanol Decomposition Hydrogen Generating Plant

For more information please call Angstrom Advanced at: 781.519.4765

Angstrom Advanced Inc. designs, manufactures and supplies variety of scientific instruments and Hydrogen & Nitrogen plants for academic and industrial fields

www.angstromadvancedinc.com

Request an Estimate

Introduction

Hydrogen generation by methanol decomposition was developed in the last two decades. This technology by Angstrom Advanced features low cost, simple user friendly operation and very easy maintenance. The methanol and water is mixed in specified ratio and pressurized. This mixture passes through evaporator, metering pump and then to super heater. The hot gas is then fed into a reactor. The reaction of methanol reforming and the shift reaction, takes place in the catalytic reactor of fixed beds simultaneously to form H2 and CO2 finally. The mixed gas after reaction is passed though the heat exchanger to have the heat exchanged with feed gas in order to recover part of heat and then fed further into the gas-liquid separation buffer to separate the unreacted methanol and water, prior to passing to the condenser and cooling gas dryer for condensation in order to ensure the methanol in the reforming gas to meet the specified quality. The liquid from condensation and separation is the mixture of methanol and water, which are returned back to the feedstock tank for reuse. The reformed gas enters a set of PSA systems, which separates all impurities through the adsorption and separation in one time. The hydrogen purification through PSA is adopted in the manner of 4-1-2/P and desorption at the atmospheric pressure (4 absorbers, one absorber is in adsorption, 2 times of pressure equalization). Each adsorber in a cycle undergoes adsorption (A); equalized pressure-drop for the first time (E1D); equalized pressure-drop for the second time (E2D); cis-exhale (PP), inverse purge (D); flushing (P); equalized pressure increase for the second time (E2R); equalized pressure increase for the first time (E1R) and the final pressurisation (FR). The four adsorbers shift regularly, alternating between adsorption and regeneration, according to the arranged program in a closed loop. In this way raw gas feeds and hydrogen withdraws continuously. There are a small amount of carbon monoxide and about 35%(v/v) hydrogen in the desorbed off gas. If it is recovered and used as fuel, it brings the benefit of saving energy and minimizing the pollution.

Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing

  • Methanol is converted to CO and H2 with the action of the catalyst;
  • CO and H2O are converted to CO2 and H2 with the action of the catalyst;
  • CO2 and trace CO are separated from the decomposed gases by PSA technology, and high purity of H2 is generated.

Specifications

Hydrogen output

50 ~ 3000 m3/h

Pressure

0.8 – 2.0 MPa

Purity %

99.9% – 99.9995%

Hydrogen Generating Plant by Water Electrolysis

Angstrom Advanced Hydrogen Generating Plant by Water Electrolysis

For more information please call Angstrom Advanced Inc. at: 781.519.4765

www.angstromadvancedinc.com

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Introduction

Hydrogen electrolyte and oxygen electrolytes circulate separately, hydrogen electrolyte pumps into hydrogen cell directly and oxygen electrolyte pumps into oxygen cell directly, and therefore gets higher purity of hydrogen and oxygen gas. These generators have state of the art technology, stability and functionality for scientific instruments, industry and solar and wind energy. Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing.

Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing

Specifications

H2 capacity 2-500 Nm3/h
O2 capacity 1-250 Nm3/h
H2 purity % >99.9
O2 purity % >99.5
Power consumption (DC) < 4.5 kw.h/m3H2
Electrolyte 30% KOH
Work pressure 0.5-5.0MPa

Electrolysis Process Overview

Electrolysis is the passage of a direct electric current through an ionic substance that is either molten or
dissolved in a suitable solvent, resulting in chemical reactions at the electrodes and separation of materials.
The main components required to achieve electrolysis are:

  • An electrolyte: a substance containing free ions which are the carriers of electric current in the electrolyte. If the ions are not mobile, as in a solid salt then electrolysis cannot occur.
  • A direct current (DC) supply: provides the energy necessary to create or discharge the ions in the electrolyte. Electric current is carried by electrons in the external circuit.
  • Two electrodes: an electrical conductor which provides the physical interface between the electrical circuit providing the energy and the electrolyte. Electrodes of metal, graphite and semiconductor material are widely used. Choice of suitable electrode depends on chemical reactivity between the electrode and electrolyte and the cost of manufacture.
  • Angstrom Advanced Inc. designs, manufactures and supplies variety of scientific instruments and Hydrogen & Nitrogen plants for academic and industrial fields

Angstrom Advnced Hydrogen Generating Plant by Natural Gas Steam Reforming

Angstrom Advanced Hydrogen Generating Plant by Natural Gas Steam Reforming

www.angstromadvancedinc.com

For more information please call Angstrom Advanced at: 781.519.4765

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Prior to pressurization, desulfurization, and mixing with aqueous vapor, natural gas is passed through a special reformer which is packed with a catalyst for cracking and reforming the effluent mixture of hydrogen, carbon dioxide and carbon monoxide. After part of the heat is recovered, hydrogen will be obtained by removing excess carbon monoxide from the reformed effluent. The shift gas is then purified further through pressure swing adsorption (PSA), to obtain pure hydrogen.

Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing

Specifications

Gas Treatment

50-20000 Nm3/h

Adsorption Pressure

1.3MPA-2.0MPA

H2 purity %

99-99.999%

Angstrom Advanced Hydrogen Generating Plant by Ammonia Decomposition

www.angstromadvancedinc.com

Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing

Request an Estimate

Angstrom Advanced Hydrogen Generating Plant by Ammonia Decomposition offers a variety of benefits. The system is low cost, has a long service life, simple operation, compact structure, small coverage, and simple installation. The system by Angstrom Advanced vaporizes liquid ammonia, and heats it with a catalyst until decomposition occurs, creating a mixture of gas consisting of 75% hydrogen and 25% nitrogen. Based on the principle that the molecular sieve adsorbs ammonia and water at different temperatures, high purity gas is produced by heat regenerating through the mixture working at normal temperature.Our instruments and plants have been delivered to many renowned organizations. Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing.
Specifications
Hydrogen Production
5-500NM3/H
Impurity Oxygen
≤2ppm
Residual Ammonia
≤3ppm
Dew Point
≤-65°C
Dew Point
0.05-0.2Mpa

Angstrom Advanced Hydrogen Generating Plant by PSA with H2 Purifying System

angstrom advanced hydrogen generating plant psa

Angstrom Advanced Hydrogen Generating Plant by PSA with H2 Purifying System

For more information please call Angstrom Advanced at: 781.519.4765

www.angstromadvancedinc.com

Request an Estimate

Introduction:

Pressure Swing Adsorption (PSA) by Angstrom Advanced is used to separate hydrogen gas from other gases by feeding the gas under a certain pressure. This separation process occurs in an adsorption tower and is advantageous in its low cost, low capacity, minimal maintenance requirements and user-friendly interface. The H2 Purifying System removes oxygen from hydrogen via a catalyst to obtain high purity H2 after adsorption and drying through the dust filter. The system can remove oxygen down to levels of 1ppm. Through one step of purification, the purity of the hydrogen generated can reach between 99.999~99.9999% and the dew point can be lower than -70°C; Through a second purification step, impurities can be lowered down to less than 0.1ppm and dew point can be lowered to -90°C.Our instruments and plants have been delivered to many renowned organizations.

Our goal is to provide our customers with the best products with highest standard of service at cost efficient pricing

Specifications

Gas Treatment

10-5000NM3/H

Pressure

≤0.8Mpa

H2 purity %

>98-99.999%

Dew Point

≤-60°C

Oxygen Content

≤1ppm