Dongfeng Commercial Vehicle Body Plant COD emissions reduced by 20% for four years

On December 21st, the reporter learned from the Safety Technology Division of Dongfeng Commercial Vehicle Body Factory that the COD (chemical oxygen demand) emissions of the body factory in 2009 was reduced by 20% on the basis of 2005, and successfully completed the release of Dongfeng Commercial Vehicle Company. Emission reduction targets.
It is understood that Dongfeng commercial vehicle body factory mainly through three measures to achieve emission reduction targets: First, strengthen wastewater discharge management, control of wastewater discharge, reduce the concentration of wastewater discharge. We will concentrate the discharge of waste water for approval and discharge it in strict accordance with the technological regulations. The second is to improve the operation procedures of wastewater treatment processes, enhance the awareness of staff in reducing emissions, and guide the wastewater treatment operators to timely adjust the dosage of the pharmaceuticals according to the changes in water quality. The COD concentration is controlled below 350 mg/L. The third is to reduce wastewater discharge through technological progress.

HDPE Double Wall Corrugated Pipe
HDPE double wall corrugated pipe

HDPE double wall corrugated pipe Appearance, standard and Application

Black. Implementation of GB / T1942.1-2004 "buried HDPE structural wall pipeline system section 1; polyethylene double wall corrugated pipe", the elastic ring meet the requirements of HG / T3091-2000. Products are widely used in urban drainage, sewage engineering, agricultural irrigation, drip irrigation, water-saving irrigation projects, drainage, sand control projects.

HDPE double wall corrugated pipe Specification

1. N4(ID 200 mm.300 mm.400 mm.500 mm.600 mm.800 mm)

2. N8 (ID 200 mm.300 mm.400 mm.500 mm.600 mm.800 mm)

HDPE double wall corrugated pipe Features

n Unique structure, high impact strength ;

n Smooth inner wall,small water flow resistant.large fluid flow;

n Easy to connect,good joint seal,No infiltration;

n Extremely light weight ,hence easy to handle and reduce cost;

n More than 50 years` service life in buried condition.

n High-density polyethylene is a hydrocarbon polymer, non-polar, high acid and alkali corrosion resistance.

n Eco-environment materials, non-toxic, non-corrosive, non-scaling, recyclable;

n Temperature range,-60â„ƒ the pipeline no breakage, the maximum temperature of the transmission -medium is 60â„ƒ

n Comprehensive project cost basically same as the concrete pipe, low operating costs

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