Wastewater Treatment Project and Service
Wastewater treatment system compliant with DOE standards, including document submission to the DOE for written notification and regulatory compliance.
DAF System
Chemical and Biological Treatment
Chemical and Biological Treatment
Chemical Treatment
Chemical Treatment
Filtration
Pre-screen for Sump
Aeration Tank
Video
Flocculation and DAF System
DAF System
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FAQ
General Questions
- Firstly, the facility where the Wastewater Treatment Plant is to be set up requires “Penilaian Awal Tapak”.
- Before setting up the Wastewater Treatment Plant, the submission of the "WRITTEN NOTIFICATION FORM / JADUAL KEDUA," along with the necessary supporting documents, must be made to the DOE.
- Any comment from DOE is to be replied accordingly.
- Once the Wastewater Treatment Plant is fully set up, the "THIRD SCHEDULE/WRITTEN DECLARATION ON DESIGN AND CONSTRUCTION OF INDUSTRIAL EFFLUENT TREATMENT SYSTEM," along with the required supporting documents and the Professional Engineer's Stamp, must be submitted to the DOE. Any comment from DOE is to be replied accordingly.
- For the operation of a Wastewater Treatment Plant, a Poison Permit is required for chemical procurement, and a Competent Person is needed to operate the plant. In addition, arrangements for the disposal of sludge as scheduled waste are required.
- Periodically, the final discharge lab report must be submitted to the DOE through the Online Environmental Reporting (OER) website.
- Generally, wastewater is collected in an Equalising (EQ) Sump or Tank before treatment.
- Before wastewater enters the EQ sump or tank, debris is typically screened out, and oil and grease are removed using an oil trap.
- Depending on the type of waste generated, the designer shall select the appropriate treatment method for wastewater. Below are some of the treatment methods:
- Chemical Treatment:
Uses chemical such as coagulant, flocculant, acid, alkaline and etc to precipitate the impurities as floc. - Biological Treatment:
Uses bacteria and other microorganisms to break down organic wastes. There are several methods for this treatment, including anoxic tanks, aeration tanks, moving bed biofilm reactor (MBBR), membrane bioreactors (MBR), etc. - Tertiary Treatment:
Tertiary treatment, which excludes chemical and biological methods, includes processes such as filtration, advanced oxidation and etc. - Separation of suspended solids:
Floc from chemical treatment and bacteria from biological treatment shall be separated from wastewater using methods such as clarification, dissolved air flotation, and filtration. - Sludge Dewatering:
Suspended solids separated from wastewater, shall undergo dewatering using equipment such as a filter press, screw press and etc. This process helps reduce the cost of sludge disposal.