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Calcium peroxide is an ecologically pure substance, which can be used in different fields of industry and agriculture.
In environmental protection it is used:
- -For treating waste water and remediation of groundwater
- -For decontaminating soil
In agriculture it is used:
- -As fertilizing rich with oxygen
- -For stimulating seed growth and their germinating power
- -For presowing treatment of rice seed, which allows to do planting not by seedlings, but by dry seeds, coated with calcium peroxide. Such a technique sufficiently decreases work expenditure and increases crop capacity.
In aquaculture it is used:
- -To provide sufficient dissolved oxygen
- -To adjust pH value
- -To reduce the subaqueous content of ammonium and nitrogen
- -To eliminate carbon dioxide and sulfureted hydrogen
- -To prevent anaerobe from proliferation and killing nosogenetic bacteria, defecating aqueous body
In poultry-raising it is used:
- -To decontamination of fodder
- -To increase productivity, hens safety and improving their eggs
In cattle-breeding it is used:
- -For prophylaxis of casein-stone formation in the abomasum and diarrhoea with newborn calves
- -As an antimicrobic effect
- -For stimulating protective organism strength
- -For normalizing activity of the alimentary canal
- -For activizing digestion work
- -For great increasing live-stock safety
In precious metal production it is used:
- -For leaching precious metals in the formation of cyano complexes (particularly complexes with gold and/or silver) from ores, ore concentrates, and other particle-shaped, solid materials.
In bakery industry it is used:
- -To improve bread crumb and its porosity
- -To keep moisture in dough during its baking
- -To initiate yeast growth
In dental care it is used:
- -For tooth bleaching
In the process for the melting of mineral compositions in preparation for their transformation into fibers e.g. glass, calcium peroxide is added to the batch of vitrifiable mineral components in the melting furnace to provide a low temperature oxidizing environment. The calcium peroxide may be added to the batch materials prior to their introduction into the furnace, or may be added directly to the furnace along with the mineral components. However, it is generally preferred that the calcium peroxide be premixed with the mineral components prior to their introduction into the furnace to ensure that the calcium peroxide is substantially homogeneously distributed throughout the composition. The calcium peroxide is preferably added to the composition in an amount up to about 5% by weight of the total composition.
As the temperature of the batch reaches about 575 - 600.degree. F. (301.7 - 315.6.degree. C.), the calcium peroxide begins to decompose into oxygen and calcium oxide. Decomposition of the calcium peroxide generally peaks at about 700.degree. F. (371.1.degree. C.). Accordingly, when the glass batch reaches such temperatures, oxygen is released from the calcium peroxide and creates an environment favorable for the oxidation of any organic impurities contained in the glass batch. Importantly, since the glass batch is still well below its melting point, the gaseous by-products of such oxidation, as well as any excess oxygen released from the calcium peroxide decomposition, are able to pass through the granular batch material and escape without forming an insulating layer that impedes melting of the batch. Further, by removing the organic impurities prior to melting of the mineral composition, the presence of carbon in the molten composition is reduced, which tends to reduce SO.sub.2 off gassing and to decrease the propensity for foam formation in the molten mineral composition.
As the temperature of the glass batch increases further within the furnace, the remaining calcium oxide dissolves into the molten glass. As a result, no residues are generated which undesirably affect the quality of the glass, nor are potentially environmentally unfriendly by-products generated by the decomposition of the calcium peroxide oxidizing agent.
Calcium peroxide is a yellowish solid peroxide which slowly decomposes to release oxygen at a "controlled" rate. It decomposes in moist air, is practically insoluble in water, and dissolves in acids, forming hydrogen peroxide. A 1:100 aqueous slurry has a pH of about 12.
--Calcium peroxide facilitates to remove the oceanic or lacustrine red tides. By adding 100mg~500mg of calcium peroxide per Liter of water, the occurrence of red tide can be eliminated in 24 hours.
--By coating rice seeding with calcium peroxide, herbicide and plaster of paris, usually 4 kgs calcium peroxide for 24 kgs of rice seeds, yield can be increased by 10% and the cost can be reduced by 50%.
--The harmful CO (carbon oxide) from the lighted cigarette may be greatly reduced when calcium peroxide (amount 0.5%~10%) is added during the manufacturing process. At the smoking rate of 50ml/s, the CO discharging amount of the calcium peroxide blended is remarkably reduced to 2700mg/kg, as compared with the amount of 5000mg/kg discharged by normal cigarette.
--Calcium peroxide is administered to the pigs via the oral route in a proportion of 0.02 to 1.3 % by weight of the total food ration. The percentage of lean meat and the quality of the carcasses are thus substantially improved.
--Calcium peroxide may be used in the detoxification of waste water containing cyanides and/or cyano complexes, heavy metals and sulfides with a substantial effect.
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