CN104826585A - High mechanical strength economic and environmentally friendly desulphurization activated carbon and preparation method thereof - Google Patents

Abstract

The invention discloses a high mechanical strength economical and environmentally friendly desulfurization activated carbon, which is characterized by comprising the following raw materials by weight: 98-105 parts of wooden activated carbon, 35-40 parts of diatomite, 3-4 parts of zinc aluminate, 2.5-3.5 parts of manganese sulfate, 1-2 parts of sodium molybdate, 1-2 parts of cobalt dichloride, 2-3 parts of castor oil, 1-2 parts of butyl naphthalene sulfonate sodium, 2.5-4 parts of polyvinylpyrrolidone, 2-4 parts of waste rubber powder, 7-9 parts of lignite, 20-25 parts of corn cob, 27-31 parts of sand-grass straw, 4-6 parts of an adsorption aid and the right amount of water; by addition of the corn cob and the sand-grass straw, the specific surface area is increased, waste is turned into treasure; by addition of the waste rubber powder and other strength increase materials, the mechanical strength of the prepared activated carbon is high, the prepared activated carbon is not easy to collapse, economical and environmentally friendly, high in desulfurization efficiency, and simple in production process, can greatly reduce the operation cost of dry desulfurization, and is suitable for automobile exhaust gas treatment.

Description

Economic environment protection desulphurization active carbon that a kind of mechanical strength is large and preparation method thereof

Technical field

The present invention relates to a kind of desulphurized aetivated carbon and preparation method thereof, economic environment protection desulphurization active carbon that particularly a kind of mechanical strength is large and preparation method thereof.

Background technology

As everyone knows, a large amount of hydrogen sulfide, sulfur dioxide is given off in sewage disposal, papermaking, PETROLEUM PROCESSING, chemical fertilizer manufacture, chemical fibre manufacture and some industrial chemicals manufacturings, not only cause environmental pollution, also easily cause catalyst poisoning inactivation, the discharge capacity therefore reducing sulphur in industrial production becomes in world today's industrial production one of several hang-ups needing to solve.

Active carbon with high specific surface area has loose structure, can adsorb various organic matter and inorganic matter, and having the advantages that adsorption capacity is large, adsorption rate is fast, is a kind of high-efficiency adsorbent of high-quality, is widely used in the every field such as food industry, chemical industry and environmental protection.

In numerous methods of desulfurization, have a kind of method to be active carbon adsorption, although active carbon can adsorb multiple sour gas, active carbon price is higher, and desulfuration efficiency is low, adds cost.Active carbon is combined with the diatomite with special porous by the present invention, by adding several functions type material, make particulate material, desulfurizing agent is easily fixed, safety non-toxic, absorption property is strong, strengthens rigidity and the mechanical strength of product, extend the service time of active carbon, reduce the cost of dry desulfurization.

Summary of the invention

The object of this invention is to provide large economic environment protection desulphurization active carbon of a kind of mechanical strength and preparation method thereof.

In order to realize object of the present invention, the present invention is by following scheme implementation:

The economic environment protection desulphurization active carbon that mechanical strength is large, is made up of the raw material of following weight portion: wood activated charcoal 98-105, diatomite 35-40, zinc aluminate 3-4, manganese sulfate 2.5-3.5, sodium molybdate 1-2, cobaltous dichloride 1-2, castor oil 2-3, sodium butylnaphthalenesulfonate 1-2, polyvinylpyrrolidone 2.5-4, waste rubber powder 2-4, brown coal 7-9, corncob 20-25, sand-grass stalk 27-31, adsorption aid 4-6, water are appropriate;

Described adsorption aid is made up of the raw material of following weight portion: deer natural pond soil 1.5-2.5, aluminum sulfate 1.5-2.5, sodium carbonate 2-3, kaolin 12-14, nano-sized carbon 2-3, titanium dioxide 2-3, tea seed episperm 8-10, lotus pod 13-15; Preparation method is by tea seed episperm, lotus pod dry 1-1.5 hour under 100 DEG C of-120 DEG C of conditions, be ground into 40-60 order powder, then add suitable quantity of water to stir with all the other residual components except the soil of deer natural pond, form purees, then the retort putting into 400 DEG C-500 DEG C carbonizes 2-3 hour, 80-100 order powder is ground into after taking out cooling, 1.5-2 hour is soaked with the acetum of 50%-60%, filter, get filter residue add deer natural pond soil, 1.5-2 times amount pure water grinding 40-50 minute slurry.

The economic environment protection desulphurization active carbon that a kind of mechanical strength of the present invention is large, be made up of following concrete steps:

(1) corncob, sand-grass stalk are toasted 1.5-2.5 hour under the condition of 95 DEG C-105 DEG C, be ground into 80-100 object dried powder and wood activated charcoal, diatomite, brown coal together put into ball mill ball milling 1.5-2.5 hour, cross 150-200 mesh sieve after ball milling, obtain mixed-powder stand-by;

(2) add appropriate water by zinc aluminate, manganese sulfate, sodium molybdate, cobaltous dichloride, constantly stir and make slurry, then add all the other residual components except adsorption aid, stir, be heated to 85 DEG C-95 DEG C, insulation grinding 1.5-2 hour, obtains mixed slurry stand-by;

(3) mixed-powder, mixed slurry, adsorption aid are stirred mutually, then concentrate drying, to send in comminutor granulation and get final product.

The invention has the beneficial effects as follows: the present invention adds corncob, sand-grass stalk, increase specific area, turn waste into wealth; Active carbon of the present invention adds the material that waste rubber powder etc. is gained in strength, and obtained active carbon mechanical strength is large, not easy disintegrating, economic environmental protection, and desulfuration efficiency is high, and production technology is simple, significantly can reduce dry desulfurization operating cost, is also applicable to vehicle maintenance service simultaneously.

Specific embodiments

Below by instantiation, the present invention is described in detail.

The economic environment protection desulphurization active carbon that mechanical strength is large, is made up of the raw material of following weight portion (kilogram): wood activated charcoal 98, diatomite 35, zinc aluminate 3, manganese sulfate 2.5, sodium molybdate 1, cobaltous dichloride 1, castor oil 2, sodium butylnaphthalenesulfonate 1, polyvinylpyrrolidone 2.5, waste rubber powder 2, brown coal 7, corncob 20, sand-grass stalk 27, adsorption aid 4, water are appropriate;

Described adsorption aid is made up of the raw material of following weight portion (kilogram): deer natural pond soil 1.5, aluminum sulfate 1.5, sodium carbonate 2, kaolin 12, nano-sized carbon 2, titanium dioxide 2, tea seed episperm 8, lotus pod 13; Preparation method is by tea seed episperm, lotus pod dry 1-1.5 hour under 100 DEG C of-120 DEG C of conditions, be ground into 40-60 order powder, then add suitable quantity of water to stir with all the other residual components except the soil of deer natural pond, form purees, then the retort putting into 400 DEG C-500 DEG C carbonizes 2-3 hour, 80-100 order powder is ground into after taking out cooling, 1.5-2 hour is soaked with the acetum of 50%-60%, filter, get filter residue add deer natural pond soil, 1.5-2 times amount pure water grinding 40-50 minute slurry.

The economic environment protection desulphurization active carbon that a kind of mechanical strength of the present invention is large, be made up of following concrete steps:

(1) corncob, sand-grass stalk are toasted 1.5-2.5 hour under the condition of 95 DEG C-105 DEG C, be ground into 80-100 object dried powder and wood activated charcoal, diatomite, brown coal together put into ball mill ball milling 1.5-2.5 hour, cross 150-200 mesh sieve after ball milling, obtain mixed-powder stand-by;

(2) add appropriate water by zinc aluminate, manganese sulfate, sodium molybdate, cobaltous dichloride, constantly stir and make slurry, then add all the other residual components except adsorption aid, stir, be heated to 85 DEG C-95 DEG C, insulation grinding 1.5-2 hour, obtains mixed slurry stand-by;

(3) mixed-powder, mixed slurry, adsorption aid are stirred mutually, then concentrate drying, to send in comminutor granulation and get final product.

Inventive samples important technological parameters is: Sulfur capacity (wt%): >=19.5%, desulfurization precision (ppm) :≤0.8; Inventive samples is utilized to carry out exhaust-gas treatment, trapping micronic dust efficiency >=99%.

Claims (2)

1. the economic environment protection desulphurization active carbon that a mechanical strength is large, it is characterized in that, be made up of the raw material of following weight portion: wood activated charcoal 98-105, diatomite 35-40, zinc aluminate 3-4, manganese sulfate 2.5-3.5, sodium molybdate 1-2, cobaltous dichloride 1-2, castor oil 2-3, sodium butylnaphthalenesulfonate 1-2, polyvinylpyrrolidone 2.5-4, waste rubber powder 2-4, brown coal 7-9, corncob 20-25, sand-grass stalk 27-31, adsorption aid 4-6, water are appropriate;

Described adsorption aid is made up of the raw material of following weight portion: deer natural pond soil 1.5-2.5, aluminum sulfate 1.5-2.5, sodium carbonate 2-3, kaolin 12-14, nano-sized carbon 2-3, titanium dioxide 2-3, tea seed episperm 8-10, lotus pod 13-15; Preparation method is by tea seed episperm, lotus pod dry 1-1.5 hour under 100 DEG C of-120 DEG C of conditions, be ground into 40-60 order powder, then add suitable quantity of water to stir with all the other residual components except the soil of deer natural pond, form purees, then the retort putting into 400 DEG C-500 DEG C carbonizes 2-3 hour, 80-100 order powder is ground into after taking out cooling, 1.5-2 hour is soaked with the acetum of 50%-60%, filter, get filter residue add deer natural pond soil, 1.5-2 times amount pure water grinding 40-50 minute slurry.

2. the economic environment protection desulphurization active carbon that a kind of mechanical strength is large according to claim 1, is characterized in that, be made up of following concrete steps:

(1) corncob, sand-grass stalk are toasted 1.5-2.5 hour under the condition of 95 DEG C-105 DEG C, be ground into 80-100 object dried powder and wood activated charcoal, diatomite, brown coal together put into ball mill ball milling 1.5-2.5 hour, cross 150-200 mesh sieve after ball milling, obtain mixed-powder stand-by;

(2) add appropriate water by zinc aluminate, manganese sulfate, sodium molybdate, cobaltous dichloride, constantly stir and make slurry, then add all the other residual components except adsorption aid, stir, be heated to 85 DEG C-95 DEG C, insulation grinding 1.5-2 hour, obtains mixed slurry stand-by;

(3) mixed-powder, mixed slurry, adsorption aid are stirred mutually, then concentrate drying, to send in comminutor granulation and get final product.