Title: Compound filling for sewage treatment
Application Number: 200410042417 Application Date: 2004.05.18
Publication Number: 1699214 Publication Date: 2005.11.23
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C02F3/10
Applicant(s) Name: China Water Resources Address: 100038
Inventor(s) Name: Hu Zhaohua
Attorney & Agent: zhong jing
Abstract:
     The invention discloses a compound filling for sewage treatment which comprises the components (by weight portion) of medical stone 3-12, lump lime 2-18, industrial adhesives 1-3, or pore-forming agent 1-3. The invention also discloses the process for preparing the compounded mixture, which has the advantages of small volume weight, large high specific surface area, high degree of porosity, and impact load proofing.
Time: 7