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Concentrated Recycling Technology Of Formaldehyde - China
price: contact company for price
In the production of paraformaldehyde and polyoxymethylene, high concentrations of formaldehyde are required as raw materials.
But the normal formaldehyde production, whether it is silver or iron molybdenum, the product concentration is not more than 55%.
So the need for raw materials for dehydration dehydration enrichment, and enrichment process will produce dilute formaldehyde.
Dioformaldehyde is usually used to produce downstream products (such as urotropine, methylal, etc.
) that are not required for formaldehyde feedstock concentrations and enrichment and recycling.
Commonly used dilute formaldehyde concentration recovery technology there are two, respectively, decompression flash separation process and pressurized distillation enrichment process.
The former in the concentration process will once again produce about 8% of the dilute formaldehyde; the latter can be recovered 36-46% of the formaldehyde solution, but in the pressurized distillation process, with the increase in pressure, formaldehyde prone to disproportionation reaction Formic acid, which will not only cause formaldehyde loss, more importantly, formic acid will seriously corrode the
Company Contact:
- Posted By: Hubei Sanli Fengxiang Technology Co., Ltd.
- Phone: +86 510 85120985-02
- Address: Room 1006, Block B, Optics Valley International Plaza, 889 Luoyu Road, Hongshan District, Wuhan , Hubei , China
- Email:
- Website: https://www.slchemtech.com
Published date: September 2, 2019
- Business Description: 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 diesels desulphurization by non-hydrogenation process.
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