Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of impregnation method biomass-based active coke and preparation method thereof

A technology based on active coke and biomass, applied in the field of active coke, can solve the problems of many types of raw materials, high energy consumption and cost, environmental pollution, etc., to reduce production energy consumption and time cost, controllable pore structure size, comprehensive high intensity effect

Active Publication Date: 2021-02-02
浙江微松冷链科技有限公司
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The carbonization and activation process in the process takes a long time, there are many types of raw materials, and the equipment structure is complex, so the energy consumption and cost are relatively high; elements such as N and S contained in raw coal are the main source of environmental pollution, and coal As a non-renewable energy source, it will face problems such as depletion

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of impregnation method biomass-based active coke and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Step 1: Crushing and grinding coconut shells to coconut shell powder with a particle size of ≤1.25mm, and then drying until the moisture content is lower than 15%.

[0040] Step 2: The above-mentioned coconut shell powder is granulated and formed by a flat mill granulator to obtain mechanism coconut shell particles.

[0041] Step 3: Under the protection of a nitrogen atmosphere, the coconut shell particles of the above-mentioned mechanism are carbonized at a temperature increase rate of 5°C / min, and the final carbonization temperature is 550°C. The carbonization time maintained at the final carbonization temperature is 3.0h; After natural cooling, the mechanism coconut shell charcoal is obtained.

[0042] Step 4: Soak the above mechanism coconut shell charcoal in the phenolic resin emulsion with a solid content of 45wt% by the supersaturated impregnation method, wait for the adsorption to be saturated, filter and dry to obtain the active coke body, and repeat the impreg...

Embodiment 2

[0046] Step 1: crushing and grinding bamboo processing leftovers to bamboo powder with a particle size of ≤0.83mm, and then drying until the moisture content is lower than 25%.

[0047] Step 2: The above-mentioned bamboo powder is granulated by a ring mill granulator to obtain machine-made bamboo granules.

[0048] Step 3: Under the protection of a nitrogen atmosphere, the above-mentioned machine-made bamboo particles are carbonized at a heating rate of 2°C / min, and the final carbonization temperature is 600°C, and the carbonization time maintained at the final carbonization temperature is 1.0h; The machine-made bamboo charcoal is obtained after cooling.

[0049]Step 4: Soak the above-mentioned mechanism bamboo charcoal in an aqueous solution of sodium lignosulfonate with a concentration of 25wt% by a supersaturated impregnation method, wait for the adsorption to be saturated, filter and dry to obtain an active coke body, and repeat the impregnation several times until the act...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
particle sizeaaaaaaaaaa
particle sizeaaaaaaaaaa
ignition pointaaaaaaaaaa
Login to View More

Abstract

The invention discloses a soaking method biomass-based active coke and a preparation method thereof. The preparation method comprises the following steps: crushing, grinding and drying the biomass raw material to obtain biomass powder with a certain moisture content; pressing the biomass powder through a pressure molding machine to obtain mechanical biomass particles; Under an oxygen environment, the mechanism biomass particles are carbonized and cooled to obtain mechanism biochar; the mechanism biochar is impregnated with a binder impregnating solution, and then filtered and dried to obtain an activated coke green body; Or in a low-oxygen environment, the activated coke green body is subjected to secondary carbonization and cooling to obtain activated coke. The invention has the advantages of simple process, low cost and low energy consumption, and the active coke product has high specific surface area, low ash content, high comprehensive strength and high adsorption.

Description

technical field [0001] The invention belongs to the technical field of active coke, and in particular relates to a kind of soaking method biomass-based active coke and a preparation method thereof. Background technique [0002] Activated carbon is an excellent porous adsorption material with a unique pore structure and adsorption properties. It is widely used in water purification, waste gas treatment and catalyst production. However, activated carbon is expensive and has low mechanical strength. Compared with activated carbon, activated coke overcomes the disadvantages of high price, low mechanical strength, and easy crushing of activated carbon. It has good adsorption and catalytic properties, stable chemical properties, and can be regenerated and reused. It can be used in wastewater treatment, air pollution control, etc. In the field, it has more practical significance to replace activated carbon with activated coke. [0003] The traditional preparation method of activat...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/324B01J20/20B01J21/18B01J35/10
CPCC01B32/324B01J20/20B01J21/18B01J35/60B01J35/617
Inventor 严云尹怀刚杨旭何令华张松涛
Owner 浙江微松冷链科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com