IROX N70 Iron Removal Media

Brand IROX N70 Iron Removal Media
Model IROX N70
Origin Made IN CHINA
Product Availability In Stock
Product Quality Worlds No 1

IROX N70 is a black or light brown, granular, naturally mined filter media composed of high purity manganese dioxide. IROX N70 is a solid manganese dioxide offering higher flow rates and faster reaction times. IROX N70 media uses for iron removal and oxidation-reduction filtration process similar to manganese greensand, but at a far higher level of performance, and lasts many years longer due to its solid form and higher purity. IROX N70 works by adsorbing the oxidized species of iron, manganese or sulfides on the external as well as the porous internal structures of the media. This is a catalytic process which processes water at a faster flow rate than traditional manganese media.

 

A strong backwash at the proper flow rate is required to keep the IROX N70 media clean. A rate of 12 to 15 GPM per square foot is recommended, in order to be able to lift and expand the filter media, and wash out the trapped iron and manganese oxides. Since IROX N70 is a solid granule with very high particle strength, frequent backwashing does not harm the media and dramatically extends the life of the media.

 

PHYSICAL PROPERTIES

Content

Standard

Unit

MnO2

35

%

SiO2

17-20

%

Fe

20

%
MnC2

10-20

%
Proportion

3.4

g/cm

Bulk density

2.2

g/cm

Dust content

<3

%

Hydrochloric acid solubility

<3.5

%

Mesh Size

2-4

mm

Packing

30

kgs/bag

 

ADVANTAGES

  • Iron reduction over wide pH
  • Effective reduction of hydrogen sulfide in addition to iron and/or
  • No harmful effects from a chlorine
  • Low attrition for long bed

pH

pH of Raw waters having natural pH of 6.5 or above can be filtered through IROX N70 without pH correction. Raw waters with a pH lower than

6.5 should be pH-corrected to 6.5- 6.8 before filtration. Additional alkali should be added following the filters if a pH higher than 6.5-6.8 is desired in the treated water. This prevents the possible adverse reaction and formation of a colloi- dal precipitate that sometimes occurs with iron and alkali at a pH above 6.8.

BED TYPE

Bed Type Dual media: anthracite 18-20 in. (450 mm – 500 mm) and Irox N70 24-30 in. (600 mm – 750 mm)

 

CAPACIT Y

700-1200 grains of oxidized iron and manganese/sq.ft. of bed area based on oxidant demand and operation to iron break through or dp limitations.

The information and recommendations in this publication are based on data we believe to be reliable. They are offered in good faith, but do not imply any warranty or performance guarantee, as conditions and methods of use of our products are beyond our control. As such, IROX makes no express or implied warranties of any kind with respect to this product, including but not limit- ed to any implied warranty of merchantability or fitness for a particular purpose. We recommend that the user determine whether the products and the information given are appropriate, and the suitability and performance of our products are appropriate, by testing with its own equipment. Specifications are subject to change without notice. The information and recommendations given in this publication should not be understood as recommending the use of our products in violation of any patent or as a license to use any patents of the IROX N70. The filter medias listed in this brochure do not remove or kill bacteria. Do not use with water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system. IROX will not be liable under any circumstance for consequential or incidental damages, including but not limited to, lost profits resulting from the use of our products.

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