Removal of waste water and water-activated iron and manganese

After activation Removal of wastewater and water of iron and manganese activated clinoptilolite, having a particle size in the range of 0.5-2.5mm media control filtration rate of 6-8m / h, in a simple drop of water aeration, make 12.0 mg / h of ferrous iron ions in water down to the drinking water standard 0.3mm / L bit. We focused on the Shandong area 800 m deep well water containing iron, manganese ions and hardness does not meet the national drinking water standards, carried out in addition to iron, manganese and hardness test activated zeolite. To obtain better results, the experiment is as follows. 1. Source Materials and Processing: Take uniform particles Gongyi City, Henan song to the drainage equipment plant of 0.5-2.0mm, the count 2000g, divided into four parts, each 500g, one of which was to do a simple treatment, the other three parts are different The method of processing, obtained A, B, C, D 4 kinds of materials (A simple handling of the material), the net weight of each material 350g. 2. Install Column: Take PVC pipe 4, diameter 2.1cm, length of 2 meters. Or less water, the form of drainage, the treated materials were loaded into PVC tubes, labeled A, B, C, D 4 Experiment Used column. 3. Experiment with water: we take iron, manganese and hardness amount significantly higher than the national drinking water standard 1000L, evenly divided into four parts, each 250L, and set aside. 4. Filter: The four columns per root practical experiments 200L water, control filtration rate of 15-18Ml / min, for 24 hours non-stop filter. Each filter 10L, once the raw water and filtered water total hardness, iron, manganese content was measured, and make a record. After four kinds of activated zeolite respectively, after the test water filtration, to obtain the total hardness, iron and manganese content in the water changes Table 1-1 zeolite different activation methods Table 1-1 total hardness, iron and manganese content in the treated water and after raw water comparison group n hardness / (mg / L) iron / (mg / L) manganese / (mg / L) x ± sx ± sx ± s raw water 12 A 12 B 12 C 12 D 12 F (significance level ) P 582.50 ± 21.79 476.67 ± 95.47 535.83 ± 66.53 312.50 ± 116.70 197.50 ± 146.42 30.70 <0.001 1.24 ± 0.11 0.98 ± 0.14 0.06 ± 0.99 0.03 ± 0.06 0.002 ± 0.003 489.39 <0.001 0.16 ± 0.19 0.13 ± 0.04 0.09 ± 0.03 0.06 ± 0.28 0.01 ± 0.01 64.07 <0.001 can be seen in Tables 1-1, zeolite using a different approach, resulting in the activation of zeolite for water treatment in total hardness, iron and manganese have different ability to remove most of the raw water showed significant differences (P <0.01) from three (total hardness, iron and manganese) indicators, D kind of activated zeolite best. Tip more sense for processing. Zeolite on the water total hardness, iron, manganese, turbidity and color have different degrees of change, change turbidity and color description zeolite adsorption capacity, total hardness, iron and manganese to change the description of ion-exchanged zeolites have ability, but after activation treated zeolite can increase this adsorption capacity and ion exchange capacity, in addition clinoptilolite zeolite or activated to deal with ammonia water quality also have its good results.