cn105859077a - pam (polyacrylamide) dewatered sludge

CN105859077A - PAM (polyacrylamide) dewatered sludge

The existing method has the problems of low organic matrix leaching amount, low methane yield, long retention time and the like caused by poor digestive efficiency due to oversize flocs in the PAM (polyacrylamide) dewatered sludge anaerobic digestion process, and also has the possibility that the PAM can be degraded into monomer acrylamide.

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cn102001804a - method for degrading polyacrylamide

CN102001804A - Method for degrading polyacrylamide

The invention relates to a method for degrading polyacrylamide in dewatered sludge, which comprises the following steps: preparing mature compost, namely return material, by multiple return compost tests of matured sludge of aerobic compost, wherein the water content of the return material is 40 to 50 percent; mixing the sludge and return material in a certain volume ratio; and under a

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harmless treatment of used foundry sands and dewatered

HARMLESS TREATMENT OF USED FOUNDRY SANDS AND DEWATERED

sand. The dewatered sludge was from Wuhan Bayilu Wastewater Treatment Plant. The clay sands sludge was obtained from the Guangxi Yucai Machinery Group Co., Ltd, and the carbon content was 24, 91 %. The waste plastic of PE was from one landfill. For harmless treatment of used foundry sands and dewatered municipal sludge by microwave, the waste

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harmless treatment of used foundry sands and dewatered

Harmless treatment of used foundry sands and dewatered

Harmless treatment of used foundry sands and dewatered municipal sludge by microwave Article in Metalurgija -Sisak then Zagreb- 54(3):459-461 · July 2015 with 13 Reads How we measure 'reads'

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cn101570388a - harmless recycling treatment process

CN101570388A - Harmless recycling treatment process

A harmless recycling treatment process for urban sludge carries out urban sludge treatment through the prior pulverized coal boiler and coal conveying and tail exhaust treatment systems in a power plant. In the treatment process, flue gas extracted from the front part of an air preheater of a power plant pulverized coal boiler is mixed with flue gas extracted from the back part of a power

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effect of trace amounts of polyacrylamide (pam) on long

Effect of trace amounts of polyacrylamide (PAM) on long

Luo et al. (2011) studied effect of trace amounts of polyacrylamide (PAM) on long-term performance of activated sludge by using four lab-scale identical reactors of an internal diameter 10 cm

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harmless treatment and resource utilization of stainless

Harmless treatment and resource utilization of stainless

1. Introduction. Stainless steel is a widely used and versatile material, an oxide layer is formed during stainless steel production and processing, and this oxide layer reduces the corrosion resistance of steel (Li et al., 2014).At present, the common treatment for stainless steel strip surfaces is pickling using nitric and hydrofluoric acids to remove the oxide layer (Li et al., 2011).

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tangshan municipal harmless sludge treatment project

Tangshan Municipal Harmless Sludge Treatment Project

Tangshan Municipal Harmless Sludge Treatment Project Publish Date:2012-04-20 Tangshan municipal harmless sludge treatment project is invested and constructed by Tangshan Municipal Drainage Ltd., which is located in the old plant of Tangshan City Fengrun Sewage Treatment Plant.

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cn105859077a - pam (polyacrylamide) dewatered sludge

CN105859077A - PAM (polyacrylamide) dewatered sludge

The existing method has the problems of low organic matrix leaching amount, low methane yield, long retention time and the like caused by poor digestive efficiency due to oversize flocs in the PAM (polyacrylamide) dewatered sludge anaerobic digestion process, and also has the possibility that the PAM can be degraded into monomer acrylamide.

Get Price
cn102001804a - method for degrading polyacrylamide

CN102001804A - Method for degrading polyacrylamide

The invention relates to a method for degrading polyacrylamide in dewatered sludge, which comprises the following steps: preparing mature compost, namely return material, by multiple return compost tests of matured sludge of aerobic compost, wherein the water content of the return material is 40 to 50 percent; mixing the sludge and return material in a certain volume ratio; and under a

Get Price
cn105859077a - pam (polyacrylamide) dewatered sludge

CN105859077A - PAM (polyacrylamide) dewatered sludge

The existing method has the problems of low organic matrix leaching amount, low methane yield, long retention time and the like caused by poor digestive efficiency due to oversize flocs in the PAM (polyacrylamide) dewatered sludge anaerobic digestion process, and also has the possibility that the PAM can be degraded into monomer acrylamide.

Get Price
cn102001804a - method for degrading polyacrylamide

CN102001804A - Method for degrading polyacrylamide

The invention relates to a method for degrading polyacrylamide in dewatered sludge, which comprises the following steps: preparing mature compost, namely return material, by multiple return compost tests of matured sludge of aerobic compost, wherein the water content of the return material is 40 to 50 percent; mixing the sludge and return material in a certain volume ratio; and under a

Get Price
cn105859077a - pam (polyacrylamide) dewatered sludge

CN105859077A - PAM (polyacrylamide) dewatered sludge

The existing method has the problems of low organic matrix leaching amount, low methane yield, long retention time and the like caused by poor digestive efficiency due to oversize flocs in the PAM (polyacrylamide) dewatered sludge anaerobic digestion process, and also has the possibility that the PAM can be degraded into monomer acrylamide.

Get Price
cn102001804a - method for degrading polyacrylamide

CN102001804A - Method for degrading polyacrylamide

The invention relates to a method for degrading polyacrylamide in dewatered sludge, which comprises the following steps: preparing mature compost, namely return material, by multiple return compost tests of matured sludge of aerobic compost, wherein the water content of the return material is 40 to 50 percent; mixing the sludge and return material in a certain volume ratio; and under a

Get Price