hydrothermal carbonization reactor htc vessel pressure steel structure stainless biomass publication thermocouple

WO2011104261A1 - Reactor for the hydrothermal …

WO2011104261A1 - Reactor for the hydrothermal …

 · 2.4.2. Hydrothermal carbonization (HTC) HTC was conducted in stainless-steel autoclaves with a maximum capacity of 250 ml. The autoclaves were filled up to 70% of its total capacity with a mixture containing 20 wt.% dry matter and 80 wt.% deionized water. Hydrothermal Carbonization of Biomass: ... Both the thermocouple and the pressure transmitter send ... A 300 ml stainless steel HTC reactor was constructed and positioned on the focus of a ...

[Get More]
Nanomaterials | Free Full-Text | Hydrothermal Synthesis of ...

Nanomaterials | Free Full-Text | Hydrothermal Synthesis of ...

Since its founding more than one hundred years ago, Parr Instrument Company has been engaged exclusively in the manufacture and sale of chemical reactors, pressure vessels, calorimeters, combustion vessels, and related equipment developed specifically for laboratory use. Hydrothermal carbonization (HTC) is a chemo-physical process for the conversion of organic material (biomass). HTC is based on the natural process, coalification of organic material, which has taken place under geological influences mainly in the Carboniferous. The fundamental

[Get More]
Energies | Free Full-Text | Impact of Pretreatment on ...

Energies | Free Full-Text | Impact of Pretreatment on ...

Hydrothermal carbonization (HTC) of biomass involves contacting raw feedstock with hot, pressurized water. Through a variety of hydrolysis, dehydration, and decarboxylation processes, gaseous and ... The invention relates to a reactor (301) and method for operating the reactor (301) for producing carbon-containing products from biomass (5 1 , 5 2 ,..., 5 n ) by means of hydrothermal carbonation. The reactor (301) consists of a stainless steel jacket and has a first inlet (21) in the upper region (301 o ) of the reactor (301) for a first line (311) and at least one outlet (23) in the lower ...

[Get More]
Experimental Study on Hydrothermal Carbonization of ...

Experimental Study on Hydrothermal Carbonization of ...

Hydrothermal Carbonization (HTC): A Pressure Cooker for Biowaste Hydrothermal Carbonization (HTC) is a thermochemical conversion process which transforms biomass under pres-sure into a solid coal-like product. To assess the suitability of this technology for developing countries, a pilot HTC reactor was developed, built and is being tested at ... Upgrading biomass waste streams can improve economics in wood industries by adding value to the process. This work considers use of a hydrothermal carbonization (HTC) process for the residual feedstock after lignin and hemicelluloses extraction. Batch experiments were performed at 200–240 °C temperatures and three hours residence time with an 8:1 biomass to water ratio for two feedstocks ...

[Get More]
Parr Instrument Company

Parr Instrument Company

Hydrothermal carbonization (HTC) is a promising upgrading process to convert various low energy-d. lignocellulosic biomass materials to homogeneous, energy-dense HTC biochar, known as hydrochar. A novel two-chamber reactor was designed and built to investigate the effects of HTC reaction parameters on the resulting hydrochar produced from woody biomass. Hydrothermal carbonization (HTC) is a thermochemical conversion process through which it is possible to directly treat a wet organic substrate with reduced process efforts. The main interesting product obtainable by HTC is the so-called “hydrochar”, that is a solid enriched in carbon and with chemical characteristics comparable to those of fossil coals.

[Get More]
Hydrothermal carbonization of biomass and sewage sludge

Hydrothermal carbonization of biomass and sewage sludge

 · Sugarcane bagasse was refined into cellulose, hemicellulose, and lignin using an ethanol-based organosolv technique. The hydrothermal carbonization (HTC) reactions were applied for bagasse and its two components cellulose and lignin. Based on GC-MS analysis, 32 (13+19) organic byproducts were derived from cellulose and lignin, more than the 22 byproducts from bagasse. Hydrothermal carbonization at high temperature gives various carbon materials, multi-walled carbon nanotubes, fullerenes, and carbon spheres with different nanotextures. In hydrothermal carbonization at a low temperature, the pressure is usually built up by water vapor and so depends on the volume of the autoclave and also on the amount of water.

[Get More]
Hydrothermal carbonization of biomass residuals: a ...

Hydrothermal carbonization of biomass residuals: a ...

The HTC reactor consists of a stainless steel AISI 316 batch vessel of 2 L internal volume. The right part of Figure 1 shows 2D and 3D technical drawings of the HTC reactor, while Figure 2 shows a picture of the apparatus. The reactor was designed to withstandtemperature s up to 300 °C and pressure up to 140 bars . A gasket (which The effect of magnesium chloride as an additive of hydrothermal carbonization (HTC) of lignocellulosic biomass (Pinus radiata sawdust) was studied. The HTC tests were carried out at fixed conditions of temperature and residence time of 220 °C and 1 h, respectively, and varying the dose of magnesium chloride in the range 0.0–1.0 g MgCl2/g biomass.

[Get More]
Characterization of biochar from hydrothermal ...

Characterization of biochar from hydrothermal ...

Hydrothermal carbonization (HTC) is a thermochemical treatment process especially designed for wet feedstock, where biomass (with 80-90% water) is heated up to 200-260 °C at water saturation pressure and hold for 0.5-6 h (Figure 3) 7,8.Subcritical water has the maximum ionic product at 200-260 °C, which means water under these conditions is reactive and behaves as a mild acid and a mild base ... Hydrothermal carbonization: Carbonization of biomass in water under autogenous pressure and temperatures at the lower region of liquefaction process [32], also called wet pyrolysis. Char: A solid decomposition product of a natural or synthetic organic material [10,11]. Hydrochar: Char produced from hydrothermal carbonization.

[Get More]
Hydrothermal Carbonization of Biomass: Design of a Bench ...

Hydrothermal Carbonization of Biomass: Design of a Bench ...

Hydrothermal synthesis includes the various techniques of crystallizing substances from high-temperature aqueous solutions at high vapor pressures; also termed "hydrothermal method".The term "hydrothermal" is of geologic origin.Geochemists and mineralogists have studied hydrothermal phase equilibria since the beginning of the twentieth century. A improved solar biochar reactor, system including the reactor, and methods of forming and using the reactors and systems are disclosed. The methods and system as described herein provide sufficient solar energy to a biochar reactor to convert animal waste or other biomass to biochar in a relatively cost-effective manner.

[Get More]
Hydrothermal Carbonization (HTC) of Lignocellulosic Biomass

Hydrothermal Carbonization (HTC) of Lignocellulosic Biomass

Disclosed are systems and methods of continuous hydrothermal carbonization of wet biomass, such as manure. A disclosed system uses both inlet flow rate and outlet flow rate simultaneously to regulate the reaction time for continuous production. There is disclosed a reactor (301) and a method of operating the reactor (301) to produce biomass carbonaceous products (5 1 , 5 2 , ..., 5 n ) by hydrothermal carbonation. The reactor (301) consists of a stainless steel jacket and has a first inlet (21) in the upper region (301 O ) of the reactor (301) for a first line (311) and at least one outlet (23) in the lower region (301 U ). of the ...

[Get More]
US Patent Application for PROCESS FOR CONVERTING …

US Patent Application for PROCESS FOR CONVERTING …

As a most attractive renewable resource, biomass has the advantages of low pollution, wide distribution and abundant resources, promoting its applications in lithium ion batteries (LIBs). Herein, cellulose-derived carbon nanospheres (CCS) were successfully synthesized by hydrothermal carbonization (HTC) from corn straw for use as an anode in LIBs. The present invention relates to a hydro thermal carbonization process for the preparation of coal-like material using biomass. The process comprises a step (i) of heating a reaction mixture comprising water and biomass to obtain a reaction mixture comprising activated biomass; and a step (ii) of adding a polymerization initiator to the reaction mixture obtained in step (i) to polymerize the ...

[Get More]
Processes | Free Full-Text | Hydrothermal Polymerization ...

Processes | Free Full-Text | Hydrothermal Polymerization ...

Depending on the operating conditions, hydrothermal biomass processing can be divided into three main categories: hydrothermal liquefaction, hydrothermal gasification and hydrothermal carbonization. The process of hydrothermal carbonization (HTC) was developed in the early 20th century to produce carbon-rich solid fuel [2] . For hydrothermal carbonization (1-ITC), the pyrolysis zone gas discharge can be fitted with a 20 psig pressure-relief valve to allow the reactor to maintain suitable reaction conditions of …

[Get More]
WO2017083544A1 - System for hydrothermal treatment …

WO2017083544A1 - System for hydrothermal treatment …

The applied pyrolysis temperature was found to strongly affect composition, structure, and oxidation behavior of pure and iron oxide nanoparticle (NP)-loaded carbon materials originating from hydrothermal carbonization (HTC) of cellulose. A strong loss of functional groups during pyrolysis at temperatures beyond 300 °C of the HTC-derived hydrochars was observed, resulting in an increase of ... Hydrothermal carbonization is a chemical process for the conversion of organic compounds to structured carbons. The process, which technically imitates the brown coal formation taking place in nature within 50,000 to 50 million years within a few hours, was investigated by Friedrich Bergius and first described in 1913.

[Get More]