Hubei Sanli Fengxiang Technology Co., Ltd

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Waste water treatment by air oxidation

Wet catalytic oxidation, the standard abbreviation CWO, refers to raising the temperature of wastewater to 180 ℃ - 325 ℃, using the oxygen in the air to increase the solubility with the increase of pressure. Under the action of catalyst, oxygen molecules and organics in wastewater undergo a rapid oxidation reaction, resulting in ring breaking and chain breaking of organics, which are collectively referred to as degradation.

The principle of degradation reaction is free radical chain reaction. The primary products of oxidative degradation are simple organic acids and organic alcohols below C4. Some of the degradation products will be deeply degraded and mineralized into carbon dioxide to form the removal of TOC. The degradation rule is that the higher the reaction temperature is, the greater the proportion of deep degradation to carbon dioxide is. The catalytic strength can reduce the energy level of degradation reaction and increase the speed of degradation reaction. The top of wet catalytic oxidation process is supercritical oxidation.

Medium temperature and medium pressure wet catalytic oxidation is a kind of wet catalytic oxidation. It refers to the process of wet catalytic air oxidation in the temperature range of 180 ℃ - 258 ℃ and the corresponding pressure range of 2.5mpa-5.0mpa.

A large number of engineering practices have proved that: wet catalytic oxidation in the middle temperature and middle pressure section can obtain good degradation effect and appropriate COD removal effect, supplemented by other low-cost sewage degradation means, can obtain the best economy (investment, operation, life).

Technical Features of Waste Water Treatment Plant

1.The maximum inlet temperature of medium temperature and medium pressure system shall not exceed 258 ℃, and the maximum operating pressure shall not exceed 5.0mpa. The pressure control is very stable, the service life of the equipment is long, and the failure rate is low.

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Hubei Sanli Fengxiang Technology Co., Ltd. (SL Tech) is a young technology company specialized in providing EPC contracting service and the import & export of chemical plants， with the headquarter located in China(Hubei) Pilot Free Trade Zone and an office in Wuxi. Also it is the shareholder of Wanian Jinze Electronic Material Co., Ltd. with 20,000TPA methyl acetate production capacity, and Henan Bojie Energy Engineering Technology Co., Ltd. Dedicated to the diesel’s desulphurization by non-hydrogenation process.
Hubei Sanli Fengxiang Technology Co., Ltd. (SL Tech) is a young technology company specialized in providing EPC contracting service and the import & export of chemical plants， with the headquarter located in China(Hubei) Pilot Free Trade Zone and an office in Wuxi. Also it is the shareholder of Wanian Jinze Electronic Material Co., Ltd. with 20,000TPA methyl acetate production capacity, and Henan Bojie Energy Engineering Technology Co., Ltd. Dedicated to the diesel’s desulphurization by non-hydrogenation process.
SL Tech has stuck to the path of the combination of production and research. Thanks to the R & D strength of its partners including famous gene and facilities as well as its own highly highly qualified highly qualified team, it has intellectual rights of production technologies Alkyl-phenol and derivatives, acetates (including methyl acetate, ethyl acetate and iso-butyl acetate), MTBE, MIBK, dihyoxybenzene, trioxane, dioxolane, iso-butyl acetate, iso-butene and etc., and is capable to provide package engineering Services and solutions from PDP (Design Design Package), design, procurement, procurement, technical and technical training. We are very proud to say we are one of the best teams expertized in chemical distillation-purification technology in China, from computer Aided simulation, lab verification and modification, pilot plant to commercialized plant.
Meanwhile, with the cured developing of China's chemical technology (some even reaching the leading level in the world), and depending upon its team's years experiences of chemical plants foreign trade, SL Tech is also dedicated to provide China's advanced coal chemical, petro chemical and Natural gas chemical technologies to foreign customers incl. Hydrogen peroxide technology, MMA technology, syngas to MEG technology, PO technology, PPC technology, UHMWPE technology, electronic grade solvent technology and etc.