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Hydrothermal Reactor
(1)25ml/50ml/100ml/150ml/200ml/250ml/300ml/400ml/500ml/1000ml---PTFE/≤ 220°C
(2)25ml/50ml/100ml/150ml/200ml/250ml/300ml/400ml/500ml/1000ml---PPL/≤ 280°C
***Price List for whole above, inquire us to get
2. Customization:
(1)Design support
(2)Directly supply the Senior R&D organic intermediate, shorten your R&D time and cost.
(3)Share the advanced purifying technology with you
(4)Supply the high quality chemicals and analysis reagent
(5)We want to assist you on Chemical Engineering (Auto CAD, Aspen plus etc.)
3. Assurance:
(1)CE and ISO certification Registered
(2)Trademark: ACHIEVE CHEM(since 2008)
(3)Replacement parts within 1-year for free
Description
Technical Parameters
A hydrothermal reactor is a device that performs high-temperature and high-pressure reactions in a sealed environment, with various uses and application fields.
Experiments and research on high-temperature and high-pressure reactions can be conducted in many fields. Due to the advantages of good sealing, easy operation, and strong controllability, it are widely used in fields such as chemistry, materials science, energy science, and biological science. For example, in the field of chemistry, it can be used for reactions such as organic synthesis and inorganic synthesis;
In the field of materials science, it can be used to prepare inorganic materials, organic materials, composite materials, etc; In the field of energy science, it can be used for the preparation and assembly of energy devices such as fuel cells, solar cells, lithium batteries, etc; In the field of biological science, it can be used for reactions such as microbial fermentation, cell culture, and gene expression.
We offer this equipment, detailed specifications and product information please refer to the following website.
Product: https://www.achievechem.com/chemical-equipment/hydrothermal-synthesis-reactor.html
Product Parameter
All kinds of "Hydrothermal Synthesis Reactor", price list, you can choose online HERE
product structure
A hydrothermal reactor is an equipment used for high-temperature and high-pressure reactions in a sealed environment, and its external structure can vary depending on specific application and design requirements. The following is a description of the external structure of a typical reactor:
The device usually consists of the following main components:
Reaction kettle
This is the core part of a reactor, which is a closed container used to hold the substances to be reacted and hot water. It are usually made of corrosion-resistant and high-temperature resistant materials, such as stainless steel or polytetrafluoroethylene. There is usually one or more agitators inside the reactor to promote uniform mixing of substances.
01
Heat exchanger
This is a device used to transfer external heat to the reactor. A heat exchanger is usually located below the reactor and consists of a series of pipes and radiators. These pipes transfer heat from an external heating source to the hot water in the product.
02
Temperature control system
This is a device used to monitor and control the temperature in the reaction kettle. A temperature control system typically includes a temperature sensor and a controller. The temperature sensor is located in the reactor and is used to monitor the temperature in real-time.
03
Pressure control system
This is a device used to monitor and control the pressure in the product. A pressure control system typically includes a pressure sensor and a controller. The pressure sensor is located on the reactor and is used for real-time monitoring of the pressure in the reactor.
04
Connecting components and pipelines
It also includes various connecting components and pipelines, such as inlet and outlet pipes, inlet and outlet pipes, sealing components, etc., to achieve the connection and sealing between the reactor and external equipment.
In addition, the reactor may also be equipped with the following additional components.
05
Observation window
This is a window used to observe the internal situation of the reactor. The observation window is usually made of high-temperature and high-pressure resistant glass or polytetrafluoroethylene, so that the operator can observe the material state and reaction situation inside the product.
01
Sampling port
This is the port used to extract samples from the reactor for analysis. The sampling port is usually located on the side or bottom of the reactor and is equipped with a detachable plug or valve, so that the operator can easily take out the sample without damaging the sealing of the product.
02
Cleaning port
This is the port used to clean the inside of the reaction kettle. The cleaning port is usually located at the top or bottom of the reactor and is equipped with a detachable plug or valve, so that the operator can easily clean and maintain the inside of the product.
03
Mirror
This is a window used to observe the height of the liquid inside the product. The mirror is usually located on the side of the reactor and is equipped with a high temperature and high pressure resistant glass or polytetrafluoroethylene window, so that the operator can observe the height of the liquid inside the product.
04
Lighting lamp
This is a device used to illuminate the internal structure of the reaction kettle. The illuminating lamp is usually located at the top of the reactor or at the observation window, so that the operator can better observe the material state and reaction situation inside the roduct.
05
The external structure of the device may vary depending on the specific application and design requirements, but the basic composition above is consistent. For specific devices, these components can be combined and arranged in different ways to suit specific reaction requirements and use environments. When designing the reactor, it is necessary to consider the operability, durability, safety and other aspects of the equipment to ensure that it can meet the needs of practical applications.
Although it has broad application prospects, its technical development and application still face some challenges.
For example, how to improve reaction efficiency, reduce energy consumption and cost, and enhance the stability and durability of equipment are all problems that need to be solved at present.
Synthesis of zeolite molecular sieves
Hydrothermal reactor synthesis of zeolite molecular sieve has significant advantages, through high temperature and high pressure environment to promote the crystallization process, can prepare high purity, high crystallinity molecular sieve, and the process is flexible, low cost.
The basic principle of hydrothermal synthesis of zeolite molecular sieve
Hydrothermal synthesis method is based on water as the medium of zeolite molecular sieve crystallization, the silicon source, aluminum source, alkali and water are mixed in a certain proportion, put into the crystallization reaction kettle, and crystallization reaction is carried out under high temperature and high pressure. This method uses the solvation ability and reactivity of water to form a primary gel, which then rearranges and dissolves, and finally forms zeolite molecular sieve crystals.
Key advantages
High temperature and pressure environment
The equipment can provide a temperature of more than 100 ° C and autogenic pressure, promote the dissolution and recrystallization of silica-aluminum gel, accelerate the crystallization process, and shorten the reaction time.
01
High product purity
Closed environment to avoid the introduction of impurities, high temperature conditions to promote perfect crystal growth, reduce the amorphous phase and impurity content.
02
Process flexibility
Zeolite zeolites with different structures (such as NaA, NaX, NaY, etc.) and Si-Al ratio can be synthesized by adjusting reaction temperature, time, raw material ratio and other parameters.
03
Cost effectiveness
Hydrothermal raw materials are cheap (such as sodium silicate, sodium aluminate), the reactor can be reused, suitable for industrial production.
04
Typical process flow
Raw material mixing
Silicon source (such as sodium silicate), aluminum source (such as sodium aluminate), alkali (such as sodium hydroxide) and water are mixed in proportion to form a uniform gel.
Crystallization reaction
The gel is transferred to this device and heated at 100-200 ° C for several hours to several days to complete crystallization.
Post-treatment
The reaction product is washed, dried, roasted and other steps to obtain the final zeolite molecular sieve product.
Optimize the strategy
Pretreatment technology
High temperature alkali melting: fly ash and other raw materials with alkali melting, improve silicon and aluminum source activity, enhance crystallization efficiency.
Desiliconization process: desiliconization by sodium silicate, adjust the ratio of silicon to aluminum, reduce impurities.
Seed induction method
The A-type zeolite molecular sieve seed was added to provide crystal nuclei, shorten the induction period and improve the purity of the product.
Microwave assisted heating
Using microwave radiation to rapidly heat up, shorten the reaction time to a few hours, while promoting uniform crystal growth.
Application fields
Adsorption and separation
Using the pore structure of zeolite molecular sieve to separate gas or liquid mixtures.
Catalysis
As a catalyst carrier or active component, participate in petrochemical, fine chemical and other reactions.
Ion exchange
Through ion exchange properties, used in water treatment, soft water preparation and other fields.
Research progress
New synthesis routes
Non-hydrothermal routes such as gas phase transfer method and dry gel method are developed, which are coupled with hydrothermal method to improve the performance of molecular sieve.
Green synthesis
Reduce the amount of template agent, reduce energy consumption, and promote the sustainable development of zeolite molecular sieve.
Challenges and Prospects
Particle size control
It is necessary to further optimize the process parameters to achieve controllable preparation of nanoscale zeolite molecular sieve.
Industrial scale-up
Solve the problem of heat and mass transfer and improve the stability of large-scale production.
Material Compatibility
Strong acid and alkali resistance
Lining material: Usually used polytetrafluoroethylene (PTFE) or TFM and other materials, these materials have excellent chemical corrosion resistance, can withstand strong acids, alkali, aqua royalty and various organic solvents erosion.
Application advantages: In reactions requiring the use of highly corrosive chemicals, the equipment can maintain stability, avoid chemical reactions between the reactants and the container, and ensure the accuracy and safety of the experiment.
High temperature and high pressure resistance
Temperature range: Hydrothermal reactors can withstand high temperature environments, some models of the operating temperature range can reach room temperature to 220 ° C, or even higher (such as 1100 ° C).
Pressure range: The design pressure is usually 0 to 6MPa, and some models can withstand high pressures from 4MPa to 16.5MPa.
Material stability: under high temperature and pressure conditions, the material of the reactor can remain stable without deformation or damage, ensuring the smooth progress of the reaction.
Good aging resistance
Long-term use: The lining material has physiological inertia, can be used in the atmosphere for a long time, the metal element blank value is low, the lead content is less than 10⁻¹¹g/ml, the uranium content is less than 10⁻¹²g/ml.
Reduce pollution: This anti-aging performance enables the equipment to maintain stable performance in long-term use and reduce the pollution to the experiment.
Customization and extensibility
Various specifications: A variety of volume specifications (such as 25mL to 1000mL) can be selected according to the experimental requirements.
Scalable design: Some models support customization to meet specific reaction conditions, such as nickel-based superalloy high-pressure hydrothermal reactors can be selected 300mL and 500mL specifications to adapt to different experimental needs.
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