Changes of raw materials and manufacturing methods
1. Changes of raw materials
Aluminum sulfate is a coagulant that has been widely used in large quantities due to its outstanding agglomeration properties and marketability since 1885, when Professors Austen and Wilber of Rutgers University published a study regarding its agglomeration properties.
Even now, the design standards and coagulation performance of the treatment process of coagulation precipitation are being compared and reviewed entirely based on the data of treatment process of coagulation precipitation by aluminum sulfate. In the past, the main raw materials of aluminum sulfate were composed of clay, alumina debris, and alunite (aluminium hydroxide).
Since high-quality aluminum hydroxide is almost free from impurities, we produce high-purity aluminum sulfate, by reacting directly with sulfuric acid.
2.Manufacturing method
Since 1991, as a manufacturer specializing in aluminum sulfate, we have been engaged in manufacturing and selling grades suitable for a wide range of demand characteristics. In addition, we have been making an effort to promote quality control in accordance with standardization by focusing on modernization and rationalization of manufacturing facilities while adapting to the improved quality level meeting changes and technological innovation in response to demand characteristics of marketability of recent years.
We have grown into a company that sells aluminum sulfate in most quantities in our country, covering a variety of leading industrial sectors, for example, in the paper manufacturing business such as the nation’s well-known companies including Jeonju Paper Corporation, Hansol Paper Co., Ltd., Youngpoong Paper, Asia Paper Mfg.Co.,Ltd., and Shinho Paper, as well as general industrial sector such as Samsung Electronics, OCI, Hercules Korea and Eka Korea, in addition to wastewater treatment plant and livestock wastewater treatment plant of local governments.
품질과 규격 황산알루미늄의 품질규격에는 한국공업규격 (KSM 1411)이 정해져 있으며 일반공업규격과 수도용 규격으로써 되어있습니다. 아래 규격은 당사 규격입니다.
Water treatment
Quality and standards
Quality standards for aluminum sulfate are defined by the Korean Industrial Standard (KSM 1411), and they comprise general industrial standards and water supply standards.
The standards below indicate our company’s standards.
1. For industrial use
| Division | 3 types for industrial use | |
| KSM standards | SJ-Chem standards | |
| Appearance | - | - |
| pH(2WN%) | 3.0 or higher | 3.0 or higher |
| Anti-water dissolution rate (%) | - | - |
| Aluminium oxide (AL203)(%) | 8.0 or higher | 7.0 ~ 8.2 |
| Iron (Fe)(%) | 0.02 or less | 0.02 or less |
2. For water supply
| Division | 3 types for industrial use | |
| KSM standards | SJ-Chem standards | |
| Appearance | - | - |
| pH(2WN%) | 3.0 or higher | 3.0 or higher |
| Anti-water dissolution rate (%) | - | - |
| Aluminium oxide (AL203)(%) | 8.0 or higher | 7.0 ~ 8.2 |
| Iron (Fe)(%) | 0.02 or less | 0.02 or less |
| Ammoniacal nitrogen (%) | 0.01 or less | 0.01 or less |
| Arsenic (As)(ppm) | 10.0 or less | 10.0 or less |
| Manganese (Mn)(ppm) | 25.0 or less | 25.0 or less |
| Cadmium (Cd)(ppm) | 2.0 or less | 2.0 or less |
| Lead (Pd)(ppm) | 10.0 or less | 10.0 or less |
Polyferric sulfate plus
Changes of raw materials and manufacturing methods
Incessant changes and efforts
This is a high-purity product meeting drinking water standards of P.F.S.P (polyferric sulfate plus) based on iron oxide with a purity of superior to 99% that is generated by coagulation on the surface of iron when it contacts with oxidation through rapid cooling during the iron manufacturing process in a steel mill.
FE 3+, an early-stage compound of polyferric sulfate polymerization, is a process for synthesizing polyferric sulfate with ferrous sulfate. However, the method of oxidizing ferrous iron into trivalent iron by using oxidizing agents such as HNO3 and peroxide as materials using Triiron tetraoxide (FE304) contains remanent trivalent iron with many heavy metals.
P.E.S.P that exists only as pure FE 3+ (trivalent iron) without using an oxidizing agent or catalyst is a product that minimized harmful heavy metals. Since FLOC is heavy and extraordinary, sedimentation rate, it is effective in reducing COD concentration by oxidative degradation of organic matter.
Product features
' Powerful coagulation effect
It has a powerful cohesive effect due to polymerized pure FE+
' Outstanding sedimentation velocity
Large and solid flocs are formed and it excels in sedimentation velocity.
' Broad coagulation scope
Its coagulation scope PH4-11 is broad.
' COD declining effect
It is effective in reducing COD concentration.
' Effect strengthening the standard value
It is apt for strengthening legal standards on effluent by minimizing the content of harmful heavy metals
' Easy handling
It has been processed in the form easy to handle/treat.
' High density
High-density precipitation is obtained.
' Extraordinary removal effect
It extraordinarily removes heavy metals and organic matter.
Product specifications
| Typical Analysis | |||
| Component | Unit | Typica | etc |
| Fe3+ | % | 11 | Fe2+/TR |
| SP-GR | at 20? | 1,50mm | |
| pH | 2W/V% Solin | 1.5 above | |
| Mn | PPM | 5000 qmf | |
| Cr | PPM | 50/u | |
Applied area
Wastewater from waterworks and sewage / Paper wastewater / Metal industry wastewater / Leather wastewater / Others
Tanklorry
PAC Poly Aluminium Chloride
Composition and structure
Until PAC is born
PAC is a highly basic inorganic polymer coagulant manufactured by reacting hydrochloric acid with white, high-purity aluminum hydroxide based on the BAYER method using Bauxite as a raw material. Based on our stable manufacturing technology, we are manufacturing products with a range of adaptability and economic feasibility in accordance with each demand field.
In addition, our PAC has obtained a technology patent for a new manufacturing method.
Absence of sludge formed during long-term storage made it possible to improve safety of the product in a significant manner.
We produce PAC not only for water supply, but also low-concentration, high-basicity PAC for industrial use.
Thus, we can increase economic efficiency such as cost reduction by supplying products according to each customer’s need and situation.
Composition and structure of PAC
Polyaluminum chloride (PAC) is polybasic aluminum chloride, and is displayed by the general formula [(AL2(OH)nCL6-n}m]
(however, n is 1 <=n <=5; m is m<=10, basicity is in/6*100%). Since it is a coordination compound with an aco-complex ion [AL(H20)6] in aqueous solution, dihydric phenol becomes polynuclear complex and nuclear grows to form huge high-polymer inorganic compound.
Safety
Water supply and sewage treatment
' General industrial water treatment
Boiler water treatment / Underground water purification / Pretreatment of pure water production equipment
' Factory wastewater treatment
Dyeing wastewater treatment / Petroleum refining wastewater treatment / Steel mill wastewater treatment / Paper mill wastewater treatment / Brewing wastewater treatment / Plating plant wastewater treatment / Others Chemical plant wastewater treatment
' Urban sewage water treatment
' Coagulant precipitant during the manufacturing process
Coagulant precipitant for ceramics use / Precipitation of concentration during floatation / Elementary particle coagulant for pigment industry
' Disinfectant coagulant for urination disposal
' Other special uses
Dust control agent / Leather tanning agent / Dyeing agent
Product standards
| Division | Polyaluminium chloride standards for water supply (KSM 1510~1998) | SJ-Chem standards | |
| For water supply | For industrial use | ||
| Appearance | Colorless to yellowish light brown transparent liquid | Light yellow transparent liquid | Light yellow transparent liquid |
| Specific gravity (20ºc) | 1.19 or higher | 1.22 or higher | 1.10 or higher |
| pH(1W/V% Solution) | 3.5 ~ 5.0 | 3.8 ~ 5.0 | 3.0 ~ 5.0 |
| Aluminium oxide (AL203)(%) | 10.0 ~ 11.0 | 10.0 ~ 11.0 | 5.0 ~ 17.0 |
| Basicity (%) | 45 ~ 60 | 45 ~ 60 | 30.0 ~ 65.0 |
| Ferrous sulfate (%) | 3.5 or less | 3.5 or less | 3.0 or less |
| Ammoniacal nitrogen (%) | 0.01 or less | 0.004 or less | 0.01 or less |
| Iron (Fe)(%) | 0.01 or less | 0.005 or less | 0.01 or less |
| Arsenic (As)(ppm) | 1.0 or less | 0.5 or less | 1.0 or less |
| Manganese (Mn)(ppm) | 15.0 or less | 1 or less | 15.0 or less |
| Cadmium (Cd)(ppm) | 1.0 or less | 0.02 or less | 1.0 or less |
| Lead (Pd)(ppm) | 5.0 or less | 1 or less | 5.0 or less |
| Mercury (Hg)(ppm) | 0.01 or less | 0.02 or less | 0.1 or less |
| Chrome (Cr)(ppm) | 5.0 or less | 1 or less | 5.0 or less |
HI-Floc(B) Sodium Aluminate
NaAlO2 or Na2O. Al2O2
1. escription
Dark brown or colorless liquid
2. Ingredients and specification
Al2O3: 4~23% / PH : 12 or higher (1% solution) / Specific gravity: 1,10 or higher / Na2O: 6~25%
3. Use
- Sharing with aluminum sulfate, a size agent in the paper industry performs neutral sizing and the filler spreads evenly to obtain semi-permanent paper.
- Water supply purification, dyeing and paper wastewater treatment, plating wastewater, semiconductor industry wastewater, soil purifier, concrete admixture quick-setting product, catalyst, etc.
1. When water treatment is performed by combining it with an acidic coagulant such as aluminum sulfate, PAC, iron sulfate, or iron chloride, it is possible to reduce the amount of neutralizing agent (Alkali) and acidic coagulant.
2. In acidic wastewater, neutralizing agents and acidic inorganic coagulants (aluminum sulfate, PAC. iron sulfate, etc.) can be left out.
3. Hi-Floc (B) has a very wide range of coagulant capacity based on our own patented technology, and the size of the coagulation floc is large and solid, with excellent water treatment efficiency.
(Patent No. 0349069, Patent No. 0669150, Patent No. 06993440)
Aluminum Sulfate
Aluminum sulfate is a coagulant that has been widely used in large quantities due to its outstanding agglomeration properties and marketability since 1885, when Professors Austen and Wilber of Rutgers University published a study regarding its agglomeration properties.
Even now, the design standards and coagulation performance of the treatment process of coagulation precipitation are being compared and reviewed entirely based on the data of treatment process of coagulation precipitation by aluminum sulfate. In the past, the main raw materials of aluminum sulfate were composed of clay, alumina debris, and alunite (aluminium hydroxide).
Since high-quality aluminum hydroxide is almost free from impurities, we produce high-purity aluminum sulfate, by reacting directly with sulfuric acid.
Since 1991, as a manufacturer specializing in aluminum sulfate, we have been engaged in manufacturing and selling grades suitable for a wide range of demand characteristics.
In addition, we have been making an effort to promote quality control in accordance with standardization by focusing on modernization and rationalization of manufacturing facilities while adapting to the improved quality level meeting changes and technological innovation in response to demand characteristics of marketability of recent years.
We have grown into a company that sells aluminum sulfate in most quantities in our country, covering a variety of leading industrial sectors, for example, in the paper manufacturing business such as the nation’s well-known companies including Jeonju Paper Corporation, Hansol Paper Co., Ltd., Youngpoong Paper, Asia Paper Mfg.Co.,Ltd., and Shinho Paper, as well as general industrial sector such as Samsung Electronics, OCI, Hercules Korea and Eka Korea, in addition to wastewater treatment plant and livestock wastewater treatment plant of local governments.
Quality standards for aluminum sulfate are defined by the Korean Industrial Standard (KSM 1411), and they comprise general industrial standards and water supply standards.
The standards below indicate our company’s standards.
| Division | 3 types for industrial use | |
| KSM standards | SJ-Chem standards | |
| Appearance | - | - |
| pH (2WN%) | 3.0 or higher | 3.0 or higher |
| Anti-water dissolution rate (%) | - | - |
| Aluminium oxide (AL203)(%) | 8.0 or higher | 7.0 ~ 8.2 |
| Iron (Fe)(%) | 0.02 or less | 0.02 or less |
| Division | 3 types for industrial use | |
| KSM standards | SJ-Chem standards | |
| Appearance | - | - |
| pH(2WN%) | 3.0 or higher | 3.0 or higher |
| Anti-water dissolution rate (%) | - | - |
| Aluminium oxide (AL203)(%) | 8.0 or higher | 7.0 ~ 8.2 |
| Iron (Fe)(%) | 0.02 or less | 0.02 or less |
| Ammoniacal nitrogen (%) | 0.01 or less | 0.01 or less |
| Arsenic (As)(ppm) | 10.0 or less | 10.0 or less |
| Manganese (Mn)(ppm) | 25.0 or less | 25.0 or less |
| Cadmium (Cd)(ppm) | 2.0 or less | 2.0 or less |
| Lead (Pd)(ppm) | 10.0 or less | 10.0 or less |
Polyferric sulfate plus
This is a high-purity product meeting drinking water standards of P.F.S.P (polyferric sulfate plus) based on iron oxide with a purity of superior to 99% that is generated by coagulation on the surface of iron when it contacts with oxidation through rapid cooling during the iron manufacturing process in a steel mill.
FE 3+, an early-stage compound of polyferric sulfate polymerization, is a process for synthesizing polyferric sulfate with ferrous sulfate. However, the method of oxidizing ferrous iron into trivalent iron by using oxidizing agents such as HNO3 and peroxide as materials using Triiron tetraoxide (FE304) contains remanent trivalent iron with many heavy metals.
P.E.S.P that exists only as pure FE 3+ (trivalent iron) without using an oxidizing agent or catalyst is a product that minimized harmful heavy metals. Since FLOC is heavy and extraordinary, sedimentation rate, it is effective in reducing COD concentration by oxidative degradation of organic matter.
It has a powerful cohesive effect due to polymerized pure FE+
Large and solid flocs are formed and it excels in sedimentation velocity.
Its coagulation scope PH4-11 is broad.
It is effective in reducing COD concentration.
It is apt for strengthening legal standards on effluent by minimizing the content of harmful heavy metals
It has been processed in the form easy to handle/treat.
High-density precipitation is obtained.
It extraordinarily removes heavy metals and organic matter.
| Typical Analysis | |||
| Component | Unit | Typica | etc |
| Fe3+ | % | 11 | Fe2+/TR |
| SP-GR | at 20? | 1,50mm | |
| pH | 2W/V% Solin | 1.5 above | |
| Mn | PPM | 5000 qmf | |
| Cr | PPM | 50/u | |
Wastewater from waterworks and sewage / Paper wastewater / Metal industry wastewater / Leather wastewater / Others
PAC Poly Aluminium Chloride
PAC is a highly basic inorganic polymer coagulant manufactured by reacting hydrochloric acid with white, high-purity aluminum hydroxide based on the BAYER method using Bauxite as a raw material. Based on our stable manufacturing technology, we are manufacturing products with a range of adaptability and economic feasibility in accordance with each demand field.
In addition, our PAC has obtained a technology patent for a new manufacturing method.
Absence of sludge formed during long-term storage made it possible to improve safety of the product in a significant manner.
We produce PAC not only for water supply, but also low-concentration, high-basicity PAC for industrial use.
Thus, we can increase economic efficiency such as cost reduction by supplying products according to each customer’s need and situation.
Polyaluminum chloride (PAC) is polybasic aluminum chloride, and is displayed by the general formula [(AL2(OH)nCL6-n}m]
(however, n is 1 <=n <=5; m is m<=10, basicity is in/6*100%). Since it is a coordination compound with an aco-complex ion [AL(H20)6] in aqueous solution, dihydric phenol becomes polynuclear complex and nuclear grows to form huge high-polymer inorganic compound.
Boiler water treatment / Underground water purification / Pretreatment of pure water production equipment
Dyeing wastewater treatment / Petroleum refining wastewater treatment / Steel mill wastewater treatment / Paper mill wastewater treatment / Brewing wastewater treatment / Plating plant wastewater treatment / Others Chemical plant wastewater treatment
Coagulant precipitant for ceramics use / Precipitation of concentration during floatation / Elementary particle coagulant for pigment industry
Dust control agent / Leather tanning agent / Dyeing agent
| Division | Polyaluminium chloride standards for water supply (KSM 1510~1998) | SJ-Chem standards | |
| For water supply | For industrial use | ||
| Appearance | Colorless to yellowish light brown transparent liquid | Light yellow transparent liquid | Light yellow transparent liquid |
| Specific gravity (20ºc) | 1.19 or higher | 1.22 or higher | 1.10 or higher |
| pH(1W/V% Solution) | 3.5 ~ 5.0 | 3.8 ~ 5.0 | 3.0 ~ 5.0 |
| Aluminium oxide (AL203)(%) | 10.0 ~ 11.0 | 10.0 ~ 11.0 | 5.0 ~ 17.0 |
| Basicity (%) | 45 ~ 60 | 45 ~ 60 | 30.0 ~ 65.0 |
| Ferrous sulfate (%) | 3.5 or less | 3.5 or less | 3.0 or less |
| Ammoniacal nitrogen (%) | 0.01 or less | 0.004 or less | 0.01 or less |
| Iron (Fe)(%) | 0.01 or less | 0.005 or less | 0.01 or less |
| Arsenic (As)(ppm) | 1.0 or less | 0.5 or less | 1.0 or less |
| Manganese (Mn)(ppm) | 15.0 or less | 1 or less | 15.0 or less |
| Cadmium (Cd)(ppm) | 1.0 or less | 0.02 or less | 1.0 or less |
| Lead (Pd)(ppm) | 5.0 or less | 1 or less | 5.0 or less |
| Mercury (Hg)(ppm) | 0.01 or less | 0.02 or less | 0.1 or less |
| Chrome (Cr)(ppm) | 5.0 or less | 1 or less | 5.0 or less |
HI-Floc(B) Sodium Aluminate
Dark brown or colorless liquid
Al2O3: 4~23% / PH : 12 or higher (1% solution) / Specific gravity: 1,10 or higher / Na2O: 6~25%
- Sharing with aluminum sulfate, a size agent in the paper industry performs neutral sizing and the filler spreads evenly to obtain semi-permanent paper.
- Water supply purification, dyeing and paper wastewater treatment, plating wastewater, semiconductor industry wastewater, soil purifier, concrete admixture quick-setting product, catalyst, etc.
1. When water treatment is performed by combining it with an acidic coagulant such as aluminum sulfate, PAC, iron sulfate, or iron chloride, it is possible to reduce the amount of neutralizing agent (Alkali) and acidic coagulant.
2. In acidic wastewater, neutralizing agents and acidic inorganic coagulants (aluminum sulfate, PAC. iron sulfate, etc.) can be left out.
H2SO4+2NaAIO2 +2H2O (NA20 AI203) -> Na2SO4+2AI(OH)3
3. Hi-Floc (B) has a very wide range of coagulant capacity based on our own patented technology, and the size of the coagulation floc is large and solid, with excellent water treatment efficiency.
(Patent No. 0349069, Patent No. 0669150, Patent No. 06993440)
