TEXTILE INDUSTRY WASTEWATER

Special treatment solutions for textile industry wastewater - color removal and high organic load treatment

Textile and finishing processes produce wastewater containing color, high COD/BOD, suspended solids (TSS), salinity (TDS), surfactants and refractory organics, along with high and variable water consumption from processes such as desizing, scouring and degreasing, bleaching, mercerization, dyeing and printing, washing and rinsing, finishing. Therefore, source separation, equalization and process combinations suitable for the target are the basis of textile wastewater treatment design.

In Turkey, the Water Pollution Control Regulation (SKKY) and local discharge regulations determine standards and limits for discharge and reuse standards. PİLSAN CONSTRUCTION designs, installs and commissions processes verified by laboratory and pilot studies as turnkey.

Typical Textile Industry Wastewater Characteristics

  • COD:

    ~1,000–8,000 mg/L (can be higher at peaks)

  • BOD₅:

    ~300–2,500 mg/L

  • TSS:

    ~100–1,500 mg/L (increase in desizing and washing)

  • Color (Pt Co):

    High; wide range depending on dye class

  • TDS/Conductivity:

    ~1,000–10,000+ mg/L (salt in reactive dyeing; NaOH in mercerization)

  • Total Nitrogen (TN):

    ~10–80 mg/L

  • Total Phosphorus (TP):

    ~2–20 mg/L

  • pH:

    2–12; Temperature: 25–60 °C

DESIGN PRINCIPLES FOR TEXTILE INDUSTRY WASTEWATER

Capacity and Safety Margin
Hydraulic safety according to hourly peaks.
Control and Automation
SCADA, pH, conductivity, DO, NOx and ORP monitoring.
Toxicity Management
Acute, chronic toxicity monitoring, biological inhibition tracking with respirometry.
Compliance and Audit
Compliance with SKKY and OSB discharge conditions; pre-treatment guide and flow acceptance criteria for participating facilities.
Modularity
Infrastructure where additional modules or lines can be added for increasing capacity or tightening limits.

SERVICES WE OFFER

  • Sampling plan, determination of wastewater characterization and pilot treatability studies.
  • Feasibility, process design and 3D layout
  • Engineering designs, manufacturing, installation, commissioning and operator training
  • Operation support, chemical and energy optimization, remote monitoring

Textile Industry Wastewater cannot be solved with a single recipe. Pilsan Construction; based on the principles of source separation and strong equalization, establishes a combination of physicochemical treatment specific to target pollutants, controlled biological treatment and advanced treatment; offers compliant, stable and sustainable solutions.