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Hydrogen chloride purification technology

igh-purity hydrogen chloride is an important material for silicon wafer etching, passivation and epitaxy in integrated circuit production

2018

11-09

Chemical equipment cleaning technology

In the chemical production process, due to various reasons, such as: polymer, coking, oil grime, scale, sediment, corrosion products and other grime. These seriously affect the use of equipment,

2018

11-09

Warmly celebrate the company successfully passed the pressure pipeline design qualification renewal review

From October 25th to October 27th, 2017, Wang Fanbin, vice president of the China Nonferrous Metals Construction Association, led a team of four experts to visit

2018

11-09

Low temperature decomposition technology of ammonia nitrogen wastewater

Magnesium salts, pharmaceutical intermediates, electronics, precious metal smelting, hydrometallurgy and other industries have a large amount of ammonium nitrogen wastewater, ammonia-containing wastew

2018

11-09

Pneumatic booster pump pressure data analysis

The boost ratio of the pneumatic booster pump is actually the area ratio of the drive piston to the high pressure piston (or plunger).

2018

11-09

Abnormal conditions and maintenance methods of gas chromatographs in application

Due to the complicated structure, many conditions, and long recovery preparation time, gas chromatographs often have various abnormalities during use.

2018

11-09

Industrial by-product waste salt (including organic matter) harmless and resource treatment

Many enterprises produce solid waste salt in the process of fine chemical production. The solid salt is often unable to be reused in industrial production because of the organic matter.

2018

11-09

Introduction to oil and gas recovery methods

The adsorption of oil and gas/air mixture by using adsorbents such as activated carbon, silica gel or reactive fiber can realize the separation of oil and gas and air.

2018

11-09

High efficiency SNCR denitration technology

First,thetechnicalbackgroundInrecentyears,withtherapiddevelopmentofthedomesticeconomy,theemissionofnitrogenoxides(NOx)pollutantshasincreasedrapidly,seriouslypollutingtheecologicalenvironment,andhasbec

2018

08-21

Ammonia recovery technology for coking coal gas

Summary The main sources of coal gasification wastewater are washing water, crude gas washing and purification, wastewater generated during the recovery of phenolic ammonia rectification, etc. The am

2018

08-21

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