Heycarbons Iron oxide desulfurizer Fe₂O₃

Performance characteristics and uses:

S from water gas, semi-water gas, coke oven gas and biogas in urban pipeline gas ,

Zhongyuan Chemical Purification Research Institute and We jointly developed HEYFe₂O₃-1 ,The iron oxide desulfurizer has the following characteristics:

1. High desulfurization accuracy: imported H₂S When it reaches 2000mg/Nm , outlet H₂S

2 Large working sulfur capacity: remove H₂S in one go S The sulfur capacity can reach 6-8%.

3.Good strength and water resistance: It will not turn into mud after being boiled in water for 2 hours or soaked for 15 days. After being soaked and dried, the regeneration activity and strength remain unchanged.

The desulfurizer is suitable for the desulfurization of various gases such as city pipeline gas, water gas, semi-water gas, coke oven gas, biogas, etc. S Remove.

Desulfurization and regeneration principle:

Fe₂O₃ ·XH₂O+3H₂S → Fe₂S₃·XH₂O+3H₂O (desulfurization type)

Fe₂S₃ ·XH₂O+ 3/2 O₂ → Fe₂O₃ ·XH₂O+3S (regeneration )

H₂S It reacts with the active iron oxide in the desulfurizer to generate sulfide. When the raw gas contains oxygen, Sulfide can react with oxygen to produce

The elemental sulfur is deposited in the micropores of the desulfurizer, and the desulfurizer is regenerated, thus achieving the purpose of desulfurization.

Main physical and chemical properties and quality indicators

Item Order	Unit of Measure	Refer to Standard	Preparation Note
full and sulfur Allow	mg /g	≥500	At room temperature, original particle size
Pack fill dense Spend	Kg/L	0.7±0.05
water Allow quantity	%	>40
Take off sulfur Refined Spend	mg	≤5	When the imported sulfur content is 100~2000 mg/Nm³
Radial compressive strength	N/ cm	40
water share	%	≤10
grain Spend	mm	φ(4~5)×L(5～15)
Resistance water powerful Spend		Unnatural fragmentation and mudification caused by flooding

Normal operating conditions

Space velocity: coal gas 30~200h-1. Chemical industry 200~800h-1.
Temperature: 15～80℃
Pressure: normal pressure ~ 8.0MPa.4. Contact time: 30~60 seconds

HEYFe₂O₃ —2 Columnar room temperature active iron oxide desulfurizer

1. Performance characteristics and uses:

In view of the high humidity, high pressure, high air velocity and line speed, serious lack of oxygen and purification requirements of various raw materials in my country’s chemical industry for many years The characteristics of higher and higher . Zhongyuan Chemical Purification Research Institute and we jointly added catalysts on the basis of HEYFe₂O₃-2 production, which made its sulfur capacity, desulfurization activity and desulfurization accuracy have made great progress. Its characteristics are:
1.）High desulfurization degree: when the inlet H₂S is 10ppm, the outlet H₂S ≤ 0.1ppm.
2.） Large working sulfur capacity, one-time removal of H₂S sulfur capacity can reach 8-10%.
3.） Can remove CS₂ organic sulfur.
4. ）Good strength and water resistance: It will not turn into mud after being boiled in water for 15 minutes or immersed in water at room temperature for a long time. After being immersed in water and dried, the regeneration activity and strength remain unchanged.
This desulfurizer is widely used in synthetic ammonia N ·H feed gas, carbonization feed gas, food grade CO₂, gas, methanol feed gas, methanation Gas removal of the pre-gas.

2. Desulfurization and regeneration principle:
Fe₂O₃ ·XH₂O+3H₂S → Fe₂S₃ ·XH₂O+3H₂O (desulfurization)

Fe₂O₃ ·XH₂O+ CS2 →catalyst→ Fe₂S₃*XH2O +3CO₂ ( desulfurization )

Fe₂S₃*XH₂O+ 3/2O₂ → Fe₂O₃*XH₂O+3S (regenerative )
H₂S It reacts with the active iron oxide in the desulfurizer to generate sulfide. When the raw gas contains oxygen, the sulfide can react with oxygen to generate The elemental sulfur is deposited in the micropores of the desulfurizer, and the desulfurizer is regenerated, thus achieving the purpose of desulfurization.

Main physical and chemical properties and quality indicators

Item Order	Unit of Measure	Refer to Standard	Preparation Note
full and sulfur Allow	mg /g	≥550	At room temperature, original particle size
Pack fill dense Spend	Kg /L	0.7±0.05
water Allow quantity	%	≥45
Take off sulfur Refined Spend	PPm	≤0.5	Imported sulfur less than 100 mg / Nm
Radial compressive strength	N/ cm	≥40
water share	%	≤10
grain Spend	mm	Φ(3.5～5)×L(5～15)
Water resistance		Unnatural fragmentation and mudification caused by flooding

Normal operating conditions：

1.Airspeed: Under normal pressure conditions, the suitable airspeed is 300-800h-1.
2.Temperature: 15~55℃.
3 . Pressure Force: Normal pressure ~ 8.0MPa.
4 .Contact time: ≥ 4 5 Second

HEYFe₂O₃-3 columnar room temperature active iron oxide fine desulfurizer

1. Performance characteristics and uses:
In view of the high humidity, high pressure, high air velocity and line speed, serious lack of oxygen and purification requirements of various raw materials in my country’s chemical industry for many years The characteristics of higher and higher . Zhongyuan Chemical Purification Research Institute and we jointly added catalysts on the basis of HEYFe₂O₃-2 production, which made its sulfur capacity, desulfurization activity and desulfurization accuracy have made great progress. Its characteristics are:
1. )High desulfurization degree: when the inlet H₂S is 10ppm, the outlet H₂S ≤ 0.1ppm.
2. )Large working sulfur capacity, one-time removal of H₂S sulfur capacity can reach 8-10%.
3. )Can remove CS 2 organic sulfur.
4. )Good strength and water resistance: It will not turn into mud after being boiled in water for 15 minutes or immersed in water at room temperature for a long time. After being immersed in water and dried, the regeneration activity and strength remain unchanged.
This desulfurizer is widely used in synthetic ammonia N ·H feed gas, carbonization feed gas, food grade CO 2, gas, methanol feed gas, methanation Gas removal of the pre-gas.
2. Desulfurization and regeneration principle:
Fe₂O₃ ·XH₂O+3H₂S → Fe₂S₃ ·XH₂O+3H₂O (desulfurization)

Fe₂O₃ ·XH₂O+ CS2 → catalyst → Fe₂S₃*XH₂O +3CO₂ ( desulfurization )

Fe₂S₃*XH₂O+3/2O₂ → Fe₂O₃*XH₂O+3S (regenerative )
H₂S It reacts with the active iron oxide in the desulfurizer to generate sulfide. When the raw gas contains oxygen, the sulfide can react with oxygen to generate The elemental sulfur is deposited in the micropores of the desulfurizer, and the desulfurizer is regenerated, thus achieving the purpose of desulfurization.

Main physical and chemical properties and quality indicators

Item Order	Unit of Measure	Refer to Standard	Preparation Note
full and sulfur Allow	Mg/g	≥600	At room temperature, original particle size
Pack fill dense Spend	Kg/L	0.7±0.05
water Allow quantity	%	≥45
Radial compressive strength	N/ cm	≥40
Take off sulfur Refined Spend	PPm	≤0.1	Imported H₂S<10 mg /m³Contact time>45 seconds
water share	%	≤10
grain Spend	mm	φ(3.5～5)×L(5～15)
Resistance water powerful Spend		Unnatural fragmentation and mudification caused by flooding

Normal operating conditions：

1. Airspeed: Under normal pressure conditions, the suitable airspeed is 300-800h-1.
2. Temperature: 15~55℃.
3 . Pressure Force: Normal pressure ~ 8.0MPa.
4 .Contact time: ≥ 45 Second

HEYFe₂O₃ - 4 Columnar room temperature active iron oxide fine desulfurizer

1 . performance characteristics and uses:
In view of the high humidity, high pressure, high air velocity and line speed, serious lack of oxygen and purification requirements of various raw materials in my country’s chemical industry for many years Increasingly high characteristics. Based on the original model, the catalyst is changed and a special co-catalyst is added. Through a special production process, a new generation of high-precision, high-sulfur capacity iron oxide desulfurizer is produced.
1.) High desulfurization accuracy: imported H₂S 10 ppm, the outlet H₂S ≤ 0.05ppm.
2.)Large working sulfur capacity: remove H₂S at one time The sulfur capacity can reach 10-12 %.
3.) Good strength and water resistance: It will not turn into mud after being boiled in water for 15 minutes or immersed in water at room temperature for a long time. After being immersed in water and dried, the regeneration activity and strength remain unchanged. This desulfurizer is widely used in high-precision desulfurization of food-grade CO₂ gas, methanol raw gas, methanogenic ammonia raw gas, etc.
Relatively expensive room temperature zinc oxide and similar products at home and abroad.
2. Desulfurization and regeneration principle:
Fe₂O₃ ·XH2O+3H₂S==Fe₂S₃* XH₂O+3H₂O (desulfurization )

Fe₂O₃ ·XH₂O+3/2O₂ ==Fe₂O₃ ·XH₂O+3S (regeneration )
H₂S reacts with the active iron oxide in the desulfurizer to generate sulfide. When the raw gas contains oxygen, the sulfide can react with oxygen to generate The elemental sulfur is deposited in the micropores of the desulfurizer, and the desulfurizer is regenerated, thus achieving the purpose of desulfurization.

Main physical and chemical properties and quality indicators

Item Order	Unit of Measure	Refer to Standard	Preparation Note
full and sulfur Allow	mg /g	700～800	At room temperature, original particle size
Pack fill dense Spend	Kg/L	0.7±0.05
water Allow quantity	%	40～45
Radial compressive strength	N/ cm	≥40
Take off sulfur Refined Spend	PPm	≤0.05	Imported H₂S≤5 mg /m³Contact time≥45 seconds
water share	%	≤10
granularity	mm	φ(3.5～5)×L(5～15)
Resistance water powerful Spend		Unnatural fragmentation and mudification caused by flooding

Normal operating conditions：

1. Air velocity: Under normal pressure, the air velocity is 300～1000h-1.
2. Temperature: 15~55℃.
3. Pressure: normal pressure ~ 8.0MPa.
4. Contact time: ≥45 seconds

HEYFe₂O₃-5 Medium temperature iron oxide desulfurizer

Performance characteristics and uses:

For the removal of H₂S from various chemical raw materials such as natural gas, coke oven gas, and refinery gas, Zhongyuan Chemical Purification Research Institute has cooperated with us. The HEYFe₂O₃-5 medium temperature iron oxide fine desulfurizer was developed by the two companies. Its characteristics are:

1. High desulfurization accuracy: imported H₂S When it is 10000PPm, the outlet H₂S≤0.1P Pm.

2. Fast reaction speed: the airspeed can be greater than 1000h-1.

3. Large working sulfur capacity, one-time removal of H₂S The sulfur capacity can reach 15%.

4. Good strength and water resistance. After 100 impact tests with 12MPa pressure rapid charging and decompression, the strength remains unchanged.

This fine desulfurizer is suitable for the fine removal of H₂S under medium temperature conditions in various chemical raw materials such as natural gas, coke oven gas, refinery gas, etc. Protect precious catalysts in the post-process.

Main physical and chemical properties and quality indicators

Exterior		Yellow or brown cylindrical
main become share		Metal oxides add active ingredients
regulation grid	mm	Φ3～5 Level 5～15
heap product Heavy	g/L	800～900
powerful Spend	N/ cm	≥50
work do sulfur Allow	%	≥15

Reaction Principle
MO+H₂S==MS+H₂O ( M stands for Metal )
H2S reacts with active metal oxides such as iron oxide in the desulfurizer to generate stable sulfides, thereby achieving the purpose of desulfurization and corrosion prevention .
Normal operating conditions：
1. Air speed: air speed 500～2000h-1
2. Temperature: 200~400℃.
3. Pressure: normal pressure ~ 8.0 MPa

HEYFe₂O₃-6 Type composite oxide fine desulfurizer

Performance characteristics and uses:

For refineries, natural gas, liquefied gas, propylene, naphtha, gasoline and other oxygen-free conditions with high sulfur content and poor copper corrosion In this case, Zhongyuan Chemical Purification Research Institute and we jointly developed HEYFe₂O₃-6 The composite oxide fine desulfurizer has the following characteristics:

）High desulfurization accuracy: imported H 2 SMore than 1000 ppmWhen the outlet H₂S is less than or equal to 0.1ppm.
）Fast response: LPGDesulfurization experiments show that when the liquid-air velocity is as high as 20h-1 , the corrosion of liquefied gas copper sheets can still beLevel 3~4 is reduced to level 0~1.
）Wide range of desulfurization: It can remove H₂S , elemental sulfur or mercaptan and other corrosive substances. Only one desulfurizer is needed to eliminate LPG, rockBrain oil and other copper sheet corrosion.
）Large sulfur capacity under anaerobic conditions.One-time fine removal of H₂S with sulfur content greater than 20%.
）Good water resistance: no powdering after boiling for 24 hours or soaking for 30 days, and the strength remains unchanged, 12 MPaRapid charging and depressurization under pressureAfter 100 impact tests, there is no change in strength.
）Wide applicable temperature range: 0～100℃.

This fine desulfurizer is suitable for LPG, Naphtha, natural gas, water gas, coke oven gas, shift gas, food CO₂ , Exhaust gas and other It can be used for fine desulfurization of gas under anaerobic conditions, and can also be used in conjunction with Y504 hydrolysis catalyst for fine desulfurization of propylene.

Main physical and chemical properties and quality indicators

Exterior		Brown cylindrical
main become share		Composite Metal Oxides
Specification	mm	Φ3～5 Level 5～15
Accumulation weight	g/L	800～900
strength	N/cm	≥40
Working sulfur capacity	%	≥20

Reaction Principle
MO + H₂S == MS + H₂O ( M stands for metal )
H₂S, Elemental sulfur reacts with active metal oxides in the desulfurizer to generate stable sulfides, thereby achieving the purpose of desulfurization and corrosion protection.
Normal operating conditions
1. Air speed: 500～2000h-1(gas);0 .5～3h-1(liquid).
2. Temperature: 0~100℃.
3. Pressure: normal pressure ~ 8.0 MPa