Urea

Urea

Reporters understand that adding alginate, humic acid and amino acid nutrient carriers of natural or plant sources into the production process of urea would change modify and enhance the benefit of traditional urea. The alginate urea, zinc fulvate urea and aminoglutanic acid urea nitrogen utilization rate was 5 to 10 percentage points higher than general urea.

just some peroxide.

I only have peroxide.

TPO temperature of peroxide at relieving conditions K

A little peroxide will never come between us.

Table 11.3 Insert the following organic peroxide into table 11.3 Organic peroxide ISOPROPYL sec BUTYL PEROXYDICARBONATE DI sec BUTYL PEROXYDICARBONATE DI ISOPROPYL PEROXYDICARBONATE

Mt total mass of organic peroxide and diluent kg

TPO temperature of peroxide formulation at relieving conditions K

TPO temperature of peroxide at relieving conditions 100 C

Emer gency temp erature ORGANIC PEROXIDE, TYPE F, LIQUID

0 C ORGANIC PEROXIDE, TYPE F, SOLID, TEMPERATURE CONTROLLED

Replace quot organic peroxide quot with quot substances quot .

Mt total mass of organic peroxide and diluent 16268 kg

4.2.1.13.1 Replace quot Organic peroxide quot with quot substance quot .

For a typical organic peroxide in a 20 m3 insulated tank

Pinanyl hydro peroxide, not more than 50 in diluent type A

(a) Organic peroxide types B and C with an SADT 50 C

(c) Organic peroxide types E and F with an SADT 45 C.

Di tert butyl peroxide, not more than 32 in diluent type A

Isopropyl cumyl hydro peroxide, not more than 72 in diluent type A

p Menthyl hydro peroxide, not more than 72 in diluent type A

Cp specific heat of the organic peroxide formulation J (kg 1.K 1)

Cp specific heat of the organic peroxide form. 2000 J.kg 1.K 1

If necessary the concentration of the organic peroxide or self reactive substances can be lowered.

The following information on the portable tank and organic peroxide is needed for the heating rate calculation

In a positive environment, an increase in crop yield potential will be significant in particular, large value added urea pallets are quality raw materials for bulk blending fertilizer.

Emergencies to be taken into account are self accelerating decomposition of the organic peroxide and fire engulfment as described in 4.2.1.13.8.

Organic peroxide pictogram Symbol (flame) black or white Background upper half red, lower half yellow Figure 5.2 in the bottom corner black

The following information on the IBC or tank and organic peroxide or self reactive substance is needed for the heating rate calculation

Vessel contents should be heated at a constant rate independent of the heat being generated by the organic peroxide or self reactive substance.

4.2.1.13.1 Each organic peroxide shall have been tested and a report submitted to the competent authority of the country of origin for approval.

(c) The substance is in compliance with 2.4.2.3.2.5(b) or 2.5.3.2.5.1 if it is a self reactive substance or an organic peroxide, respectively

NOTE When consigning an organic peroxide in an IBC in accordance with the following provisions, it is the responsibility of the consignor to ensure that

Pressure relief devices shall operate at pressures determined according to both the properties of the organic peroxide and the construction characteristics of the portable tank.

4.2.1.13.11 Service equipment such as valves and external piping shall be so arranged that no organic peroxide remains in them after filling the portable tank.

4.2.1.13.14 The marking as required in 6.6.2.20.2 shall include the UN number and the technical name with the approved concentration of the organic peroxide concerned.

(a) The pressure and emergency relief devices installed on the IBC are designed to take appropriate account of the self accelerating decomposition of the organic peroxide and of fire engulfment and

If the SADT of the organic peroxide in the portable tank is 55 C or less, or the portable tank is constructed of aluminium, the portable tank shall be completely insulated.

If you look at birds, which live a long time, cells from the birds tend to be more resistant to a lot of different environmental stresses like high temperature or hydrogen peroxide, things like that.

(b) Organic peroxide type D showing a medium effect when heated under confinement with an SADT 50 C or showing a low or no effect when heated under confinement with an SADT 45 C and

A higher than calculated heating rate may be applied initially until a temperature 5 C above the self accelerating decomposition temperature (for a 50 kg package) of the organic peroxide or self reactive substance is reached.

e Each of the devices contained about 100 kilograms of conventional explosives surrounding several layers of chemicals, including potassium cyanide, sodium cyanide, hydrogen peroxide, potassium ferricyanide, nitric acid, mixed acids, as well as various insecticides and pesticides.

This example of a method for vent sizing is used to determine the required emergency vent capacity to be fitted to a specific IBC or tank for a particular organic peroxide Type F, or self reactive substance Type F, or formulations thereof.