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About Bio rope (Bio-cord):

An ecological treatment effect biological rope

  The so-called bio-ecological treatment effect refers to rope people in the production life of the wastewater generated by the exhaust through biological contact oxidation process of decomposition of pollutants, the natural ecological treatment principle applies to environmental protection, in order to achieve the natural ecological cycle. Use of biological rope accelerate the natural ecological cycle, improve the processing capability of the existing biological treatment apparatus, so that the total amount of the environmental impact to a minimum.

2, the use of biological characteristics of the rope

    (1) by using specially processed to make use of the effect of chemical fibers to maximize;

    (2) the use of a variety of manufacturing methods and a variety of chemical fiber manufacturing a full range of biological contact materials, in order to correspond to deal with different concentrations of wastewater and water quality, has been widely used in river restoration, chemical, textile, printing and dyeing, paper making, iron and steel, electronics, medicine, food and other industries wastewater treatment;

    (3) be able to maintain a stable growth of microorganisms such as the slow pace of nitrifying bacteria and denitrifying bacteria. Meanwhile, peel adhesion of microorganisms is a continuous rather than focus off, does not appear to fall off because of the biofilm affected the water quality of the phenomenon;

    (4) the use of biological ropes attached to the high efficiency of the food chain to reduce the amount of excess sludge;

    (5) deal with good quality and stability;

    Simple (6) maintenance and management;

    (7) can correspond to a large load fluctuation wastewater treatment;

    (8) can use long-term stability, efficient processing effects to achieve the best value for money.

     In addition, biological rope (Bio-cord) In addition to these features has the following advantages:

(A) in the three-dimensional space can be a large number of biological rope fixed a variety of microorganisms, the formation of various microorganisms coexist ideal environment for primary treatment can be achieved by a high degree of treatment effect;

(2) an annular fibers by numerous radial structure, increasing its surface area at the same time for a variety of microbial growth and reproduction, so that the concentration of microorganisms attached can reach 15,000mg / l or more, which is a large electronics company in dealing with a high concentration of ammonia in wastewater been used;

(3) on the surface of the biological rope through the proliferation of aerobic microorganisms to reduce ammonia, inside the rope through the proliferation of biological anaerobic microorganisms may be biological denitrification;

(4) biological rope is a rope-like, so when you set the shape can be varied freely chosen;

(5) biological rope in a ring, you can avoid the impact caused by biofilm due to water over peeling;

(6) in the wastewater by biological rope shaking, not only can ingest dissolved oxygen in the water, but also can improve the efficiency of contact with water and organics removal;

(7) not only has many biological rope performance at low concentrations in wastewater treatment, the contact material is easily clogged in a high concentration in the reaction vessel can also be effectively treated wastewater (effluent BOD value of more than several thousand ppm);

(8) in the unit can be attached to a large number of microbial organisms rope, therefore, the smaller the reaction vessel may also be used.

Three. Principle of biological purification rope

   Biological contact oxidation rope is a new material, set it in the reaction vessel into a standing state, contact oxidation inject wastewater, wastewater flow in contact with the biological rope attached microbial biofilm formation in biological ropes (of course based on aerobic microorganisms state can be divided into aerobic and anaerobic conditions).

   In biological rope attached to the surface of microbes in contact with the wastewater, wastewater decomposition of organic matter is oxidized to achieve water purification.

   Biological rope near the center, since the reduction of dissolved oxygen is easy to produce anaerobic conditions, these microorganisms can consume nitrate nitrogen in water type, which can achieve the effect of nitrogen removal.

   Based on the above reasons, the inflow of wastewater bioreactor even load changes, by ropes attached to the biological organisms themselves EQ, thereby maintaining the wastewater treatment effect.

Four. The nature of the biological rope

(1) constituting the rope through the biological annular fiber bundle and the outer fibers of the inner core;

(2) the biological material is a rope or a plurality of materials, a change in the material by adjusting the ratio of surface area. The main chemical fiber materials used are: The most hydrophilic synthetic chemicals - polypropylene fibers, even if a large number of microorganisms can be kept attached to a polyvinyl alcohol and a nylon in a stable structure, and the elastic recovery best polyvinylidene chloride, etc. materials;

(3) there are a variety of biological rope diameter from 45mm to 150mm, universal standard size of 100mm, previous experimental data can be seen from 45mm diameter rope biological microbial attachment works best. With the increase of the diameter of the rope organisms, also increases the amount of microbial attachment, however, the unit cross-sectional area of the attached microorganisms tends to decrease;

Tensile strength standard (4) biological rope is 74kg, can cope with the impact of the reaction vessel and attached sludge water weight, not easily broken;

(5) biological species, and the specifications of the standard rope as follows:

Five. Technical parameters of biological rope

1 material properties

Material gravity breaking strength structural components (cN / dtex) Tensile strength (MPa) Continuous heat temperature (°C) embrittlement temperature (°C) acid stability

Polyolefin yarn and its derivatives 0.91 80 ≥30 80-100 -15 stable

Core rope 0.95 83 ≥15 80-100 -15 stable

2 Technical Parameters

Packing element diameter (mm) of the filament diameter (mm) Specific surface area yarn density (m2 / m3) Porosity (%) by weight of a film (Kg / m3)

45 100 120 0.20 0.35 0.50 A high density 50-280> 9950-110

B Medium Density

45 100 120 C in low-density

3 Conditions

  Wastewater concentration (COD) (mg / I) BOD5 / COD Temperature (°C) pH (PH value)

Aerobic ≥100-2000≥ ≥0.3 4-40 5-8

And oxygen ≥1000-10000≥

Anaerobic ≥5000-30000≥

Six. Use of biological rope

  (1) Biological rope form rope-like, which is fixed to the first frame, and then into bioreactor use.

(2) Biological rope fixed to the frame upper and lower ends, to set the standard vertical and horizontal spacing 10-20cm, and therefore, the installed capacity of 1 cubic meter of the rope framework biological 40-100m.

Fixation methods (3) biological rope usually two ways, shown in Figure 1, the first ends of the rope were pouch sewn biological process, and then use a fixed pipe through the bag to secure it. Figure II, with a beam line with the rope tied directly to the biological fixed to the frame.

(4) disposed in the aeration tank of biological rope in two ways, the first one is disposed at one side, the other side of the aeration. The second set is installed on both sides, in the central aeration. In the framework set down biological rope must leave space to maintain good water status, but can also use the blocking plate (rectifier board) to improve water efficiency.

(5) into the bioreactor wastewater during high concentration of organic matter, you must set the backwash device. Regularly ropes attached to the excessive biological sludge backwash to maintain biological rope attached microorganisms efficient handling activity.

(6) There must be enough oxygen in the aeration tank, aeration rate is determined by a variety of conditions, if based on organic content in wastewater aeration to calculate the amount per hour aeration must be exposed three times more than the volume of the gas tank.

(7) must also use the diffuser, pay attention to the amount of air must be sufficient to achieve good efficiency.

(8) After more than do the proper use of methods, the use of biological wastewater treatment rope will achieve satisfactory treatment results.